* [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
@ 2026-07-16 5:56 Marek Vasut
2026-07-16 5:56 ` [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board " Marek Vasut
` (5 more replies)
0 siblings, 6 replies; 11+ messages in thread
From: Marek Vasut @ 2026-07-16 5:56 UTC (permalink / raw)
To: linux-arm-kernel
Cc: Marek Vasut, Conor Dooley, Fabio Estevam, Frank Li,
Krzysztof Kozlowski, Pengutronix Kernel Team, Rob Herring,
Sascha Hauer, devicetree, imx, linux-kernel
Add DT overlay for the DSI-to-LVDS adapter eDM-MOD-iMX8Mm-LVDS populated
with Lontium LT9211 bridge. This adapter can be optionally populated onto
the eDM SBC. This adapter can be extended with multiple panels, currently
supported are the following:
- AUO G215HVN011
- Innolux G070Y2-L01
- Innolux G101ICE-L01
- Innolux G121XCE-L01
- Innolux G156HCE-L01
- Multi-Inno Technology MI0700A2T-30
- Multi-Inno Technology MI1010Z1T-1CP11
Note that in case of the i.MX8M Plus eDM SBC, the adapter name containing
iMX8Mm is not a typo, this is the adapter model string. The adapter was
originally developed for the iMX8Mm eDM SBC.
Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Frank Li <Frank.Li@nxp.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
V2: Deduplicate the DTOs further
V3: - Rename buckN to buckN_reg and ldoN to ldoN_reg to be consistent across MX8MM and MX8MP
- Split off anything non-LVDS related
V4: Rebase on next-20260703, drop dependency links which have all landed now
V5: Fix g151hce to g156hce typo
---
arch/arm64/boot/dts/freescale/Makefile | 134 +++++++++++++++++-
...edm-sbc-overlay-edm-mod-imx8mm-common.dtsi | 59 ++++++++
...bc-overlay-edm-mod-imx8mm-lvds-common.dtsi | 118 +++++++++++++++
...-sbc-overlay-edm-mod-imx8mm-lvds-dual.dtsi | 32 +++++
...verlay-edm-mod-imx8mm-lvds-g070y2-l01.dtsi | 12 ++
...verlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso | 7 +
...erlay-edm-mod-imx8mm-lvds-g101ice-l01.dtsi | 12 ++
...erlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso | 7 +
...erlay-edm-mod-imx8mm-lvds-g121xce-l01.dtsi | 12 ++
...erlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso | 7 +
...erlay-edm-mod-imx8mm-lvds-g156hce-l01.dtsi | 12 ++
...erlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso | 7 +
...verlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi | 12 ++
...verlay-edm-mod-imx8mm-lvds-g215hvn011.dtso | 7 +
...rlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtsi | 12 ++
...rlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso | 7 +
...y-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtsi | 12 ++
...y-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso | 7 +
...bc-overlay-edm-mod-imx8mm-lvds-single.dtsi | 20 +++
...l-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi | 22 +++
...m-data-modul-edm-sbc-overlay-lvds-3v3.dtsi | 19 +++
...m-data-modul-edm-sbc-overlay-lvds-5v0.dtsi | 19 +++
...-data-modul-edm-sbc-overlay-lvds-dual.dtsi | 29 ++++
...modul-edm-sbc-overlay-lvds-g070y2-l01.dtsi | 31 ++++
...odul-edm-sbc-overlay-lvds-g101ice-l01.dtsi | 31 ++++
...odul-edm-sbc-overlay-lvds-g121xce-l01.dtsi | 31 ++++
...odul-edm-sbc-overlay-lvds-g156hce-l01.dtsi | 31 ++++
...modul-edm-sbc-overlay-lvds-g215hvn011.dtsi | 30 ++++
...dul-edm-sbc-overlay-lvds-mi0700a2t-30.dtsi | 31 ++++
...-edm-sbc-overlay-lvds-mi1010z1t-1cp11.dtsi | 31 ++++
...ata-modul-edm-sbc-overlay-lvds-single.dtsi | 13 ++
.../freescale/imx8mm-data-modul-edm-sbc.dts | 8 +-
...verlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso | 7 +
...erlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso | 7 +
...erlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso | 7 +
...erlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso | 7 +
...verlay-edm-mod-imx8mm-lvds-g215hvn011.dtso | 11 ++
...rlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso | 7 +
...y-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso | 7 +
...l-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi | 35 +++++
...verlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtso | 24 ++++
...erlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtso | 24 ++++
...erlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtso | 24 ++++
...erlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtso | 32 +++++
...verlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso | 36 +++++
...rlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtso | 24 ++++
...y-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtso | 24 ++++
...l-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi | 79 +++++++++++
.../freescale/imx8mp-data-modul-edm-sbc.dts | 48 +++----
arch/arm64/boot/dts/freescale/imx8mp.dtsi | 2 +-
50 files changed, 1192 insertions(+), 35 deletions(-)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-dual.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-5v0.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-dual.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g070y2-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g101ice-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g121xce-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g156hce-l01.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi0700a2t-30.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi1010z1t-1cp11.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index be3c858f1eeb1..2ee15aa8dc5d3 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -119,7 +119,51 @@ dtb-$(CONFIG_ARCH_MXC) += imx8dxl-hummingboard-telematics.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdps-mb-smarc-2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb
-dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb
+
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo
+
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtbo
+
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtbo
+
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtbo
+
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtbo
+
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtbo
+
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtbo
+
+dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtbo
+
dtb-$(CONFIG_ARCH_MXC) += imx8mm-ddr4-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-emcon-avari.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-emtop-baseboard.dtb
@@ -244,7 +288,93 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-aristainetos3-proton2s.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
DTC_FLAGS_imx8mp-cubox-m := -@
dtb-$(CONFIG_ARCH_MXC) += imx8mp-cubox-m.dtb
-dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb
+
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtbo
+
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtbo
+
dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-som-a-bmb-08.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-dhcom-drc02.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi
new file mode 100644
index 0000000000000..8a95dc05b1fcf
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+&{/} {
+ reg_backlight_en_level: regulator-backlight-en-level {
+ compatible = "regulator-gpio";
+ regulator-name = "Backlight_SEL_EN";
+ regulator-type = "voltage";
+ states = <3300000 0x0>,
+ <5000000 0x1>;
+
+ /* Default setting: lowest supported voltage. */
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_backlight_pwm_level: regulator-backlight-pwm-level {
+ compatible = "regulator-gpio";
+ regulator-name = "Backlight_SEL_PWM";
+ regulator-type = "voltage";
+ gpios = <&gpio_display 2 GPIO_ACTIVE_HIGH>; /* SEL_PWM */
+ states = <3300000 0x0>,
+ <5000000 0x1>;
+
+ /* Default setting: lowest supported voltage. */
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
+
+ reg_panel_bl: regulator-panel-bl {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_panel_backlight>;
+ regulator-name = "PANEL_BL";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio3 0 0>;
+ enable-active-high;
+ /* Used by panels which enable PWM signal before BL ON/OFF */
+ status = "disabled";
+ };
+};
+
+®_panel_vcc {
+ compatible = "regulator-gpio";
+ regulator-type = "voltage";
+ enable-active-high;
+ status = "okay";
+
+ /* Default setting: lowest supported voltage. */
+ gpios-states = <0 0>; /* Default GPIO state is LOW/LOW, so 3V3 out */
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi
new file mode 100644
index 0000000000000..246ad17adb199
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi
@@ -0,0 +1,118 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+&{/} {
+ reg_lt9211_vcc18: regulator-lt9211-vcc18 {
+ compatible = "regulator-fixed";
+ regulator-name = "LT9211_VCC18";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&buck5_reg>; /* X400 pin 51, +1V8_S0 */
+ };
+};
+
+&i2c_display { /* Display connector I2C */
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <100000>;
+
+ lt9211_codec: bridge@2d {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_panel_expansion>;
+ compatible = "lontium,lt9211";
+ reg = <0x2d>;
+ interrupts-extended = <&gpio2 3 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+ vccio-supply = <®_lt9211_vcc18>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ lt9211_a: endpoint {
+ data-lanes = <1 2 3 4>;
+ remote-endpoint = <&mipi_dsi_bridge1_out>;
+ };
+ };
+ };
+ };
+
+ gpio_display: io-expander@41 {
+ compatible = "nxp,pca9536";
+ reg = <0x41>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names = "SEL_12V", "SEL_5V", "SEL_PWM", "SEL_EN";
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c02";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+};
+
+®_backlight_en_level {
+ gpios = <&gpio_display 3 GPIO_ACTIVE_HIGH>; /* SEL_EN */
+};
+
+®_backlight_pwm_level {
+ gpios = <&gpio_display 2 GPIO_ACTIVE_HIGH>; /* SEL_PWM */
+};
+
+®_panel_bl {
+ gpio = <&gpio3 0 0>;
+};
+
+&iomuxc {
+ /* Free &pinctrl_panel_expansion from hog for lt9211_codec above */
+ pinctrl-0 = <&pinctrl_hog_misc>, <&pinctrl_hog_feature>,
+ <&pinctrl_hog_panel>, <&pinctrl_hog_sbc>;
+};
+
+&mipi_dsi {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ mipi_dsi_bridge1_out: endpoint {
+ clock-lanes = <0>;
+ data-lanes = <1 2 3 4>;
+ /* Clock and data lanes have DN/DP swapped */
+ lane-polarities = <1 1 1 1 1>;
+ remote-endpoint = <<9211_a>;
+ };
+ };
+ };
+};
+
+&pwm1 {
+ status = "okay";
+};
+
+®_panel_vcc {
+ /*
+ * AP63300 voltage divider settings:
+ * R1=16k2
+ * R2=5k23 with optional series Rs=7k68 (5V) or Rt=1k5 (12V)
+ *
+ * 1 / Rx = (1 / R2) [ + (1 / Rs)][ + (1 / Rt)]
+ * Vout = 0.8 * ((R1 / Rx) + 1)
+ */
+ gpios = <&gpio_display 1 GPIO_ACTIVE_HIGH>, /* 5V */
+ <&gpio_display 0 GPIO_ACTIVE_HIGH>; /* 12V */
+ states = <3300000 0x0>,
+ <5000000 0x1>,
+ <12000000 0x2>,
+ <3900000 0x3>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-dual.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-dual.dtsi
new file mode 100644
index 0000000000000..abe50eb8b4b61
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-dual.dtsi
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+<9211_codec {
+ ports {
+ port@2 {
+ reg = <2>;
+
+ lt9211_out_a: endpoint {
+ remote-endpoint = <&panel_lvds_a>;
+ };
+ };
+
+ port@3 {
+ reg = <3>;
+
+ lt9211_out_b: endpoint {
+ remote-endpoint = <&panel_lvds_b>;
+ };
+ };
+ };
+};
+
+&panel_lvds_a {
+ remote-endpoint = <<9211_out_a>;
+};
+
+&panel_lvds_b {
+ remote-endpoint = <<9211_out_b>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtsi
new file mode 100644
index 0000000000000..cca52464a695e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g070y2-l01.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi"
+
+&mipi_dsi {
+ samsung,burst-clock-frequency = <216000000>; /* RX ByteClock ~27 MHz */
+ samsung,esc-clock-frequency = <10000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso
new file mode 100644
index 0000000000000..5d1ea31f33de3
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtsi
new file mode 100644
index 0000000000000..52d216fbba432
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g101ice-l01.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi"
+
+&mipi_dsi {
+ samsung,burst-clock-frequency = <515000000>;
+ samsung,esc-clock-frequency = <10000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso
new file mode 100644
index 0000000000000..2d1bbdd065227
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtsi
new file mode 100644
index 0000000000000..aba3c9a1a3e8a
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g121xce-l01.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi"
+
+&mipi_dsi {
+ samsung,burst-clock-frequency = <470000000>;
+ samsung,esc-clock-frequency = <10000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso
new file mode 100644
index 0000000000000..bc2f6fef6256e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtsi
new file mode 100644
index 0000000000000..f478f4e557cce
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g156hce-l01.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-dual.dtsi"
+
+&mipi_dsi {
+ samsung,burst-clock-frequency = <864000000>;
+ samsung,esc-clock-frequency = <10000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso
new file mode 100644
index 0000000000000..5bd417cbac55f
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi
new file mode 100644
index 0000000000000..21bec8a01287e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-dual.dtsi"
+
+&mipi_dsi {
+ samsung,burst-clock-frequency = <864000000>; /* RX ByteClock ~27 MHz */
+ samsung,esc-clock-frequency = <10000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso
new file mode 100644
index 0000000000000..75ae12dfd7fc6
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtsi
new file mode 100644
index 0000000000000..38a3a9a4c75b3
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-mi0700a2t-30.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi"
+
+&mipi_dsi {
+ samsung,burst-clock-frequency = <216000000>; /* RX ByteClock ~27 MHz */
+ samsung,esc-clock-frequency = <10000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso
new file mode 100644
index 0000000000000..ee2c79664e355
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtsi
new file mode 100644
index 0000000000000..98b5c5883cfd0
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-mi1010z1t-1cp11.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi"
+
+&mipi_dsi {
+ samsung,burst-clock-frequency = <400000000>;
+ samsung,esc-clock-frequency = <10000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso
new file mode 100644
index 0000000000000..d05f0dcc3137c
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi
new file mode 100644
index 0000000000000..9e70c1481c1eb
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-single.dtsi
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+<9211_codec {
+ ports {
+ port@2 {
+ reg = <2>;
+
+ lt9211_out_a: endpoint {
+ remote-endpoint = <&panel_lvds>;
+ };
+ };
+ };
+};
+
+&panel_lvds {
+ remote-endpoint = <<9211_out_a>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi
new file mode 100644
index 0000000000000..31598aa86b100
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi
@@ -0,0 +1,22 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi"
+
+&lcdif {
+ status = "okay";
+};
+
+<9211_codec {
+ interrupts-extended = <&gpio2 3 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+};
+
+®_panel_vcc {
+ enable-gpios = <&gpio3 6 0>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi
new file mode 100644
index 0000000000000..0955764c0ebff
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+®_backlight_pwm_level {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+};
+
+®_backlight_en_level {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+};
+
+®_panel_vcc {
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-5v0.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-5v0.dtsi
new file mode 100644
index 0000000000000..70ad6bb9b80ac
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-5v0.dtsi
@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+®_backlight_pwm_level {
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+};
+
+®_backlight_en_level {
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+};
+
+®_panel_vcc {
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-dual.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-dual.dtsi
new file mode 100644
index 0000000000000..65f9ad81cfbc7
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-dual.dtsi
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+&panel {
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dual-lvds-odd-pixels;
+
+ panel_lvds_b: endpoint {
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dual-lvds-even-pixels;
+
+ panel_lvds_a: endpoint {
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g070y2-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g070y2-l01.dtsi
new file mode 100644
index 0000000000000..80f7b74f1ea08
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g070y2-l01.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl>;
+ /* 6.3 POWER ON/OFF SEQUENCE, T9 >= 10 ms */
+ pwm-off-delay-ms = <10>;
+ /* 3.2 BACKLIGHT UNIT fPWM=200 Hz (Typ.), value below in ns */
+ pwms = <&pwm1 0 5000000 0>;
+ status = "okay";
+};
+
+&panel {
+ compatible = "innolux,g070y2-l01";
+};
+
+®_panel_bl {
+ startup-delay-us = <10000>; /* T8 */
+ off-on-delay-us = <550000>; /* T9 + T6 + T3 + T7 + T4 + T1 + T2 + T5 */
+ status = "okay";
+};
+
+®_panel_vcc {
+ /* 6.3 POWER ON/OFF SEQUENCE */
+ startup-delay-us = <1000>; /* 0.5ms <= T1 + T2 <= 60 ms */
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g101ice-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g101ice-l01.dtsi
new file mode 100644
index 0000000000000..1a2bd204c30b1
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g101ice-l01.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl>;
+ /* 6.3 POWER ON/OFF SEQUENCE, T9 >= 10 ms */
+ pwm-off-delay-ms = <10>;
+ /* 3.2 BACKLIGHT UNIT fPWM=200 Hz (Typ.), value below in ns */
+ pwms = <&pwm1 0 5000000 0>;
+ status = "okay";
+};
+
+&panel {
+ compatible = "innolux,g101ice-l01";
+};
+
+®_panel_bl {
+ startup-delay-us = <10000>; /* T8 */
+ off-on-delay-us = <950000>; /* T9 + T6 + T3 + T7 + T4 + T1 + T2 + T5 */
+ status = "okay";
+};
+
+®_panel_vcc {
+ /* 6.3 POWER ON/OFF SEQUENCE */
+ startup-delay-us = <1000>; /* 0.5ms <= T1 + T2 <= 60 ms */
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g121xce-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g121xce-l01.dtsi
new file mode 100644
index 0000000000000..f87e8c821dacb
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g121xce-l01.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 Wael Karman <wkarman@data-modul.com>
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl>;
+ /* 6.2 POWER ON/OFF SEQUENCE, T9 >= 10 ms */
+ pwm-off-delay-ms = <10>;
+ /* 3.2 BACKLIGHT UNIT fPWM=200 Hz (Typ.), value below in ns */
+ pwms = <&pwm1 0 5000000 0>;
+ status = "okay";
+};
+
+&panel {
+ compatible = "innolux,g121xce-l01";
+};
+
+®_panel_bl {
+ startup-delay-us = <10000>; /* T8 */
+ off-on-delay-us = <1180000>; /* T9 + T6 + T3 + T7 + T4 + T1 + T2 + T5 */
+ status = "okay";
+};
+
+®_panel_vcc {
+ /* 6.2 POWER ON/OFF SEQUENCE */
+ startup-delay-us = <1000>; /* 0.5ms <= T1 + T2 <= 60 ms */
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g156hce-l01.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g156hce-l01.dtsi
new file mode 100644
index 0000000000000..46c8bc7021a4f
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g156hce-l01.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-dual.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl>;
+ /* 4.6 POWER ON/OFF SEQUENCE, T9 >= 10 ms */
+ pwm-off-delay-ms = <10>;
+ /* 4.3.2 BACKLIGHT UNIT fPWM=200 Hz (Typ.), value below in ns */
+ pwms = <&pwm1 0 5000000 0>;
+ status = "okay";
+};
+
+&panel {
+ compatible = "innolux,g156hce-l01";
+};
+
+®_panel_bl {
+ startup-delay-us = <10000>; /* T8 */
+ off-on-delay-us = <1170000>; /* T9 + T6 + T3 + T7 + T4 + T1 + T2 + T5 */
+ status = "okay";
+};
+
+®_panel_vcc {
+ /* 4.6 POWER ON/OFF SEQUENCE */
+ startup-delay-us = <1000>; /* 0.5ms <= T1 + T2 <= 60 ms */
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi
new file mode 100644
index 0000000000000..3585170bd59dd
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-5v0.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-dual.dtsi"
+
+&backlight {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_panel_backlight>;
+ enable-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
+ /* 6.5 POWER ON/OFF SEQUENCE, T6 >= 10 ms */
+ post-pwm-on-delay-ms = <10>;
+ /* 6.5 POWER ON/OFF SEQUENCE, T7 >= 0 ms */
+ pwm-off-delay-ms = <10>;
+ /* 5.2 BACKLIGHT UNIT 200Hz..20kHz, value below in ns */
+ pwms = <&pwm1 0 66666 0>; /* 15 kHz = 66666ns */
+ status = "okay";
+};
+
+&panel {
+ /* The G215HVN01 is replacement for T215HVN01, which is supported. */
+ compatible = "auo,t215hvn01";
+};
+
+®_panel_vcc {
+ /* 6.5 POWER ON/OFF SEQUENCE */
+ startup-delay-us = <40000>; /* 30.5ms <= T1 + T2 <= 60 ms */
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi0700a2t-30.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi0700a2t-30.dtsi
new file mode 100644
index 0000000000000..4a077e6e6b8af
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi0700a2t-30.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl>;
+ /* 1.5 POWER ON/OFF SEQUENCE, T4 >= 200 ms */
+ pwm-off-delay-ms = <200>;
+ /* ELECTRICAL CHARACTERISTICS, BL_ADJ Frequency 20K HZ Typ., value below in ns */
+ pwms = <&pwm1 0 50000 0>;
+ status = "okay";
+};
+
+&panel {
+ compatible = "multi-inno,mi0700a2t-30";
+};
+
+®_panel_bl {
+ startup-delay-us = <200000>; /* T3 */
+ off-on-delay-us = <1450000>; /* T4 + T5 + T6 + T1 + T2 + T3 */
+ status = "okay";
+};
+
+®_panel_vcc {
+ /* 1.5 POWER ON/OFF SEQUENCE */
+ startup-delay-us = <60000>; /* T1 + T2 >= 1 ms (typ. 60ms) */
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi1010z1t-1cp11.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi1010z1t-1cp11.dtsi
new file mode 100644
index 0000000000000..e8d8cd85d04ae
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-mi1010z1t-1cp11.dtsi
@@ -0,0 +1,31 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-3v3.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl>;
+ /* 3 POWER ON/OFF SEQUENCE, T7 >= 200 ms */
+ pwm-off-delay-ms = <200>;
+ /* ELECTRICAL CHARACTERISTICS, BL_ADJ Frequency 20K HZ Typ., value below in ns */
+ pwms = <&pwm1 0 50000 0>;
+ status = "okay";
+};
+
+&panel {
+ compatible = "multi-inno,mi1010z1t-1cp11";
+};
+
+®_panel_bl {
+ startup-delay-us = <200000>; /* T6 */
+ off-on-delay-us = <1450000>; /* T7 + T3 + T4 + T5 + T1 + T2 + T6 */
+ status = "okay";
+};
+
+®_panel_vcc {
+ /* 3 POWER ON/OFF SEQUENCE */
+ startup-delay-us = <60000>; /* T1 + T2 >= 1 ms (typ. 60ms) */
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi
new file mode 100644
index 0000000000000..68c20692241a1
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-single.dtsi
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+&panel {
+ status = "okay";
+
+ port {
+ panel_lvds: endpoint {
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts
index 472c584fb3bd2..df857de0375cf 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc.dts
@@ -30,11 +30,8 @@ memory@40000000 {
backlight: backlight {
compatible = "pwm-backlight";
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_panel_backlight>;
brightness-levels = <0 1 10 20 30 40 50 60 70 75 80 90 100>;
default-brightness-level = <7>;
- enable-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
pwms = <&pwm1 0 5000000 0>;
/* Disabled by default, unless display board plugged in. */
status = "disabled";
@@ -66,7 +63,6 @@ reg_panel_vcc: regulator-panel-vcc {
regulator-name = "PANEL_VCC";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
- gpio = <&gpio3 6 0>;
enable-active-high;
/* Disabled by default, unless display board plugged in. */
status = "disabled";
@@ -454,7 +450,7 @@ pcieclk: clk@6a {
};
};
-&i2c3 { /* Display connector I2C */
+i2c_display: &i2c3 { /* Display connector I2C */
/* IMX8MM ERRATA e7805 -- I2C is limited to 384 kHz due to SoC bug */
clock-frequency = <320000>;
pinctrl-names = "default", "gpio";
@@ -465,7 +461,7 @@ &i2c3 { /* Display connector I2C */
status = "okay";
};
-&i2c4 { /* Feature connector I2C */
+i2c_feature: &i2c4 { /* Feature connector I2C */
/* IMX8MM ERRATA e7805 -- I2C is limited to 384 kHz due to SoC bug */
clock-frequency = <320000>;
pinctrl-names = "default", "gpio";
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso
new file mode 100644
index 0000000000000..6b6b160c0f3a1
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso
new file mode 100644
index 0000000000000..549ea2ab8819a
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso
new file mode 100644
index 0000000000000..c8c4328218152
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g121xce-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso
new file mode 100644
index 0000000000000..bf5b41ae61dbe
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g156hce-l01.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso
new file mode 100644
index 0000000000000..faf2c06fc50c3
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtso
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl_supply>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso
new file mode 100644
index 0000000000000..359a8b1521b01
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso
new file mode 100644
index 0000000000000..525cedb64a776
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtso
@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtsi"
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi
new file mode 100644
index 0000000000000..6c346baee903f
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds.dtsi
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi"
+
+&{/} {
+ reg_panel_bl_supply: regulator-panel-bl-supply {
+ compatible = "regulator-fixed";
+ regulator-name = "BKLT0";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ };
+};
+
+&lcdif1 {
+ status = "okay";
+};
+
+<9211_codec {
+ interrupts-extended = <&gpio4 19 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
+};
+
+®_panel_bl {
+ vin-supply = <®_panel_bl_supply>;
+};
+
+®_panel_vcc {
+ enable-gpios = <&gpio3 6 0>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtso
new file mode 100644
index 0000000000000..7a4126214a4f6
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g070y2-l01.dtso
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g070y2-l01.dtsi"
+
+&media_blk_ctrl {
+ /*
+ * The G070Y2-L01 panel requires 29.5 MHz LVDS clock.
+ * Set IMX8MP_VIDEO_PLL1 to 206.5 MHz , since 206.5 MHz / 7 = 29.5 MHz .
+ */
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>, <206500000>;
+};
+
+&ldb_lvds_ch1 {
+ remote-endpoint = <&panel_lvds>;
+};
+
+&panel_lvds {
+ remote-endpoint = <&ldb_lvds_ch1>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtso
new file mode 100644
index 0000000000000..817d4ec62d0e8
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g101ice-l01.dtso
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g101ice-l01.dtsi"
+
+&media_blk_ctrl {
+ /*
+ * The G101ICE-L01 panel requires 71.1 MHz LVDS clock.
+ * Set IMX8MP_VIDEO_PLL1 to 497.7 MHz , since 497.7 MHz / 7 = 71.1 MHz .
+ */
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>, <497700000>;
+};
+
+&ldb_lvds_ch1 {
+ remote-endpoint = <&panel_lvds>;
+};
+
+&panel_lvds {
+ remote-endpoint = <&ldb_lvds_ch1>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtso
new file mode 100644
index 0000000000000..729f477038b17
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g121xce-l01.dtso
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 Wael Karman <wkarman@data-modul.com>
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g121xce-l01.dtsi"
+
+&media_blk_ctrl {
+ /*
+ * The G121XCE-L01 panel requires 64.9 MHz LVDS clock.
+ * Set IMX8MP_VIDEO_PLL1 to 454.3 MHz , since 454.3 MHz / 7 = 64.9 MHz .
+ */
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>, <454300000>;
+};
+
+&ldb_lvds_ch1 {
+ remote-endpoint = <&panel_lvds>;
+};
+
+&panel_lvds {
+ remote-endpoint = <&ldb_lvds_ch1>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtso
new file mode 100644
index 0000000000000..86163d6ddd5c6
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g156hce-l01.dtso
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g156hce-l01.dtsi"
+
+&media_blk_ctrl {
+ /*
+ * The G156HCE-L01 panel requires 141.86 MHz LVDS clock.
+ * Set IMX8MP_VIDEO_PLL1 to 993.2 MHz , since 993.2 MHz / 7 = 141.86 MHz .
+ */
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>, <993020000>;
+};
+
+&ldb_lvds_ch0 {
+ remote-endpoint = <&panel_lvds_b>;
+};
+
+&ldb_lvds_ch1 {
+ remote-endpoint = <&panel_lvds_a>;
+};
+
+&panel_lvds_a {
+ remote-endpoint = <&ldb_lvds_ch1>;
+};
+
+&panel_lvds_b {
+ remote-endpoint = <&ldb_lvds_ch0>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso
new file mode 100644
index 0000000000000..a6d13c3609796
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi"
+
+&backlight {
+ power-supply = <®_panel_bl_supply>;
+};
+
+&media_blk_ctrl {
+ /*
+ * The G215HVN01 panel requires 148.8 MHz LVDS clock.
+ * Set IMX8MP_VIDEO_PLL1 to 1041.6 MHz , since 1041.6 MHz / 7 = 148.8 MHz .
+ */
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>, <1041600000>;
+};
+
+&ldb_lvds_ch0 {
+ remote-endpoint = <&panel_lvds_b>;
+};
+
+&ldb_lvds_ch1 {
+ remote-endpoint = <&panel_lvds_a>;
+};
+
+&panel_lvds_a {
+ remote-endpoint = <&ldb_lvds_ch1>;
+};
+
+&panel_lvds_b {
+ remote-endpoint = <&ldb_lvds_ch0>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtso
new file mode 100644
index 0000000000000..76bfbd307ba2d
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtso
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-mi0700a2t-30.dtsi"
+
+&media_blk_ctrl {
+ /*
+ * The MI0700A2T-30 panel requires 33 MHz LVDS clock.
+ * Set IMX8MP_VIDEO_PLL1 to 231 MHz , since 231 MHz / 7 = 33 MHz .
+ */
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>, <231000000>;
+};
+
+&ldb_lvds_ch1 {
+ remote-endpoint = <&panel_lvds>;
+};
+
+&panel_lvds {
+ remote-endpoint = <&ldb_lvds_ch1>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtso
new file mode 100644
index 0000000000000..4066bac28f3df
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtso
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+
+#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
+#include "imx8mm-data-modul-edm-sbc-overlay-lvds-mi1010z1t-1cp11.dtsi"
+
+&media_blk_ctrl {
+ /*
+ * The MI1010Z1T-1CP11 panel requires 51.2 MHz LVDS clock.
+ * Set IMX8MP_VIDEO_PLL1 to 358.4 MHz , since 358.4 MHz / 7 = 51.2 MHz .
+ */
+ assigned-clock-rates = <500000000>, <200000000>,
+ <0>, <0>, <500000000>, <358400000>;
+};
+
+&ldb_lvds_ch1 {
+ remote-endpoint = <&panel_lvds>;
+};
+
+&panel_lvds {
+ remote-endpoint = <&ldb_lvds_ch1>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi
new file mode 100644
index 0000000000000..b06af369a9245
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi"
+
+&{/} {
+ reg_panel_bl_supply: regulator-panel-bl-supply {
+ compatible = "regulator-gpio";
+ regulator-type = "voltage";
+ regulator-name = "PANEL_BL_SUPPLY";
+ enable-gpios = <&gpiolvds 0 0>;
+ enable-active-high;
+ status = "okay";
+
+ /*
+ * MP2328 voltage divider settings:
+ * R1=51k1
+ * R2=5k62 with optional series Rs=2k21 (12V)
+ *
+ * 1 / Rx = (1 / R2) [ + (1 / Rs)][ + (1 / Rt)]
+ * Vout = 0.5 + ((R1 / Rx) * 0.5)
+ */
+ gpios = <&gpiolvds 1 GPIO_ACTIVE_HIGH>; /* 12V */
+ states = <5000000 0x0>,
+ <12000000 0x1>;
+
+ /* Default setting: lowest supported voltage. */
+ gpios-states = <1>; /* Default GPIO state is HIGH, so 12V0 out */
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ };
+};
+
+&lcdif2 {
+ status = "okay";
+};
+
+&lvds_bridge {
+ status = "okay";
+};
+
+&pwm1 {
+ status = "okay";
+};
+
+®_backlight_en_level {
+ gpios = <&gpiolvds 5 GPIO_ACTIVE_HIGH>; /* SEL_EN */
+};
+
+®_backlight_pwm_level {
+ gpios = <&gpiolvds 4 GPIO_ACTIVE_HIGH>; /* SEL_PWM */
+};
+
+®_panel_bl {
+ gpio = <&gpiowifi 0 0>;
+ vin-supply = <®_panel_bl_supply>;
+};
+
+®_panel_vcc {
+ enable-gpios = <&gpiowifi 4 0>;
+ /*
+ * MP2328 voltage divider settings:
+ * R1=51k1
+ * R2=9k09 with optional series Rs=5k62 (5V) or Rt=2k21 (12V)
+ *
+ * 1 / Rx = (1 / R2) [ + (1 / Rs)][ + (1 / Rt)]
+ * Vout = 0.5 + ((R1 / Rx) * 0.5)
+ */
+ gpios = <&gpiolvds 2 GPIO_ACTIVE_HIGH>, /* 5V */
+ <&gpiolvds 3 GPIO_ACTIVE_HIGH>; /* 12V */
+ states = <3300000 0x0>,
+ <5000000 0x1>,
+ <12000000 0x2>,
+ <14000000 0x3>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts
index cb28cf1cdd23f..c284edfa1f4c8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts
@@ -30,11 +30,8 @@ memory@40000000 {
backlight: backlight {
compatible = "pwm-backlight";
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_panel_backlight>;
brightness-levels = <0 1 10 20 30 40 50 60 70 75 80 90 100>;
default-brightness-level = <7>;
- enable-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
pwms = <&pwm1 0 5000000 0>;
/* Disabled by default, unless display board plugged in. */
status = "disabled";
@@ -86,9 +83,6 @@ reg_panel_vcc: regulator-panel-vcc {
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
regulator-name = "PANEL_VCC";
- /* GPIO flags are ignored, enable-active-high applies. */
- gpio = <&gpio3 6 GPIO_ACTIVE_HIGH>;
- enable-active-high;
/* Disabled by default, unless display board plugged in. */
status = "disabled";
};
@@ -116,7 +110,7 @@ reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
enable-active-high;
off-on-delay-us = <12000>;
startup-delay-us = <100>;
- vin-supply = <&buck4>;
+ vin-supply = <&buck4_reg>;
};
sound {
@@ -152,19 +146,19 @@ watchdog { /* TPS3813 */
};
&A53_0 {
- cpu-supply = <&buck2>;
+ cpu-supply = <&buck2_reg>;
};
&A53_1 {
- cpu-supply = <&buck2>;
+ cpu-supply = <&buck2_reg>;
};
&A53_2 {
- cpu-supply = <&buck2>;
+ cpu-supply = <&buck2_reg>;
};
&A53_3 {
- cpu-supply = <&buck2>;
+ cpu-supply = <&buck2_reg>;
};
&ecspi1 {
@@ -405,8 +399,8 @@ sgtl5000: audio-codec@a {
reg = <0x0a>;
#sound-dai-cells = <0>;
clocks = <&clk_pwm4>;
- VDDA-supply = <&buck4>;
- VDDIO-supply = <&buck4>;
+ VDDA-supply = <&buck4_reg>;
+ VDDIO-supply = <&buck4_reg>;
};
usb-hub@2c {
@@ -454,7 +448,9 @@ pcieclk: clk@6a {
};
};
-&i2c2 {
+i2c_display: &i2c2 { };
+
+i2c_feature: &i2c2 {
clock-frequency = <100000>;
pinctrl-names = "default", "gpio";
pinctrl-0 = <&pinctrl_i2c2>;
@@ -527,7 +523,7 @@ pmic: pmic@25 {
* MIMX8ML8CVNKZAB
*/
regulators {
- buck1: BUCK1 { /* VDD_SOC (dual-phase with BUCK3) */
+ buck1_reg: BUCK1 { /* VDD_SOC (dual-phase with BUCK3) */
regulator-min-microvolt = <850000>;
regulator-max-microvolt = <1000000>;
regulator-ramp-delay = <3125>;
@@ -535,7 +531,7 @@ buck1: BUCK1 { /* VDD_SOC (dual-phase with BUCK3) */
regulator-boot-on;
};
- buck2: BUCK2 { /* VDD_ARM */
+ buck2_reg: BUCK2 { /* VDD_ARM */
nxp,dvs-run-voltage = <950000>;
nxp,dvs-standby-voltage = <850000>;
regulator-min-microvolt = <850000>;
@@ -545,47 +541,47 @@ buck2: BUCK2 { /* VDD_ARM */
regulator-boot-on;
};
- buck4: BUCK4 { /* VDD_3V3 */
+ buck4_reg: BUCK4 { /* VDD_3V3 */
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-always-on;
regulator-boot-on;
};
- buck5: BUCK5 { /* VDD_1V8 */
+ buck5_reg: BUCK5 { /* VDD_1V8 */
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
- buck6: BUCK6 { /* NVCC_DRAM_1V1 */
+ buck6_reg: BUCK6 { /* NVCC_DRAM_1V1 */
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
regulator-always-on;
regulator-boot-on;
};
- ldo1: LDO1 { /* NVCC_SNVS_1V8 */
+ ldo1_reg: LDO1 { /* NVCC_SNVS_1V8 */
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
- ldo3: LDO3 { /* VDDA_1V8 */
+ ldo3_reg: LDO3 { /* VDDA_1V8 */
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
regulator-boot-on;
};
- ldo4: LDO4 { /* PMIC_LDO4 */
+ ldo4_reg: LDO4 { /* PMIC_LDO4 */
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
- ldo5: LDO5 { /* NVCC_SD2 */
+ ldo5_reg: LDO5 { /* NVCC_SD2 */
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
};
@@ -650,7 +646,7 @@ &usdhc2 {
pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
vmmc-supply = <®_usdhc2_vmmc>;
- vqmmc-supply = <&ldo5>;
+ vqmmc-supply = <&ldo5_reg>;
bus-width = <4>;
status = "okay";
};
@@ -661,8 +657,8 @@ &usdhc3 {
pinctrl-0 = <&pinctrl_usdhc3>;
pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
- vmmc-supply = <&buck4>;
- vqmmc-supply = <&buck5>;
+ vmmc-supply = <&buck4_reg>;
+ vqmmc-supply = <&buck5_reg>;
bus-width = <8>;
no-sd;
no-sdio;
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 9cf9f6f08654d..bec64cbb36347 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -1437,7 +1437,7 @@ aips5: bus@30df0000 {
#access-controller-cells = <3>;
ranges = <0x30c00000 0x30c00000 0x400000>;
- spba-bus@30c00000 {
+ spba5: spba-bus@30c00000 {
compatible = "fsl,spba-bus", "simple-bus";
reg = <0x30c00000 0x100000>;
#address-cells = <1>;
--
2.53.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Marek Vasut
@ 2026-07-16 5:56 ` Marek Vasut
2026-07-16 6:14 ` sashiko-bot
2026-07-16 5:56 ` [PATCH v5 3/6] arm64: dts: imx8mm: imx8mp: Add HDMI " Marek Vasut
` (4 subsequent siblings)
5 siblings, 1 reply; 11+ messages in thread
From: Marek Vasut @ 2026-07-16 5:56 UTC (permalink / raw)
To: linux-arm-kernel
Cc: Marek Vasut, Conor Dooley, Fabio Estevam, Frank Li,
Krzysztof Kozlowski, Pengutronix Kernel Team, Rob Herring,
Sascha Hauer, devicetree, imx, linux-kernel
Add legacy board revision compatibility DT overlays for both i.MX8M Mini
and Plus eDM SBC boards. This adds adjustments to support legacy board
revisions.
Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Frank Li <Frank.Li@nxp.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
V2: Deduplicate the DTOs further
V3: New patch split from the original megapatch
V4: Rebase on next-20260703
V5: No change
---
arch/arm64/boot/dts/freescale/Makefile | 36 ++++++-
...edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtso | 18 ++++
...bc-overlay-edm-sbc-imx8mp-lvds-rev900.dtso | 41 ++++++++
...bc-overlay-edm-sbc-imx8mp-lvds-rev902.dtso | 14 +++
...edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtso | 97 +++++++++++++++++++
...edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtso | 69 +++++++++++++
6 files changed, 273 insertions(+), 2 deletions(-)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 2ee15aa8dc5d3..e0630f7bc58b7 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -148,6 +148,10 @@ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11-dtbs := \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtbo
+imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtbo
+
dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
@@ -162,7 +166,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi0700a2t-30.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtb \
- imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtbo
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-mi1010z1t-1cp11.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mm-ddr4-evk.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-emcon-avari.dtb
@@ -345,6 +351,24 @@ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11-dtbs := \
imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtbo
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900-dtbs := \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902-dtbs := \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtbo
+
+imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtbo
+
dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
@@ -373,7 +397,15 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi0700a2t-30.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtb \
- imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtbo
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-model-a.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mp-debix-som-a-bmb-08.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtso
new file mode 100644
index 0000000000000..14038215f298c
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtso
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2023-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+&fec1 {
+ phy-handle = <&fec1_phy_ath>;
+};
+
+&fec1_phy_ath {
+ status = "okay";
+};
+
+&fec1_phy_bcm {
+ status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtso
new file mode 100644
index 0000000000000..427585b78e45d
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtso
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+&{/} {
+ reg_panel_vcc_raw: regulator-panel-vcc-raw {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_panel_vcc_reg>;
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-name = "PANEL_VCC";
+ };
+};
+
+&panel {
+ power-supply = <®_panel_vcc_raw>;
+};
+
+®_backlight_en_level {
+ status = "disabled";
+};
+
+®_backlight_pwm_level {
+ status = "disabled";
+};
+
+®_panel_bl_supply {
+ status = "disabled";
+};
+
+®_panel_bl {
+ gpio = <&gpio3 0 0>;
+};
+
+®_panel_vcc {
+ status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtso
new file mode 100644
index 0000000000000..a21fea27e0b41
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtso
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2023-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+®_panel_bl {
+ gpio = <&gpio3 0 0>;
+};
+
+®_panel_vcc {
+ enable-gpios = <&gpio3 6 0>;
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtso
new file mode 100644
index 0000000000000..ec861aa64541e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtso
@@ -0,0 +1,97 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2023-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mp-pinfunc.h"
+
+&eeprom900 {
+ status = "okay";
+};
+
+&eeprom902 {
+ status = "disabled";
+};
+
+&eqos { /* First ethernet */
+ phy-handle = <&phy_eqos_ath>;
+};
+
+&fec { /* Second ethernet */
+ /* pinctrl_wifi is ENET2_INT# */
+ pinctrl-0 = <&pinctrl_fec &pinctrl_wifi>;
+ phy-handle = <&phy_fec_ath>;
+};
+
+&gpiolvds {
+ status = "disabled";
+};
+
+/*
+ * External pull ups on R242 and R243 on I2C2_SCL_3V3 and I2C2_SDA_3V3
+ * are not populated on this early board revision, activate in-SoC pull
+ * up resistors instead to work around the missing external pull ups.
+ */
+&pinctrl_i2c2 {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL 0x400001c4
+ MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA 0x400001c4
+ >;
+};
+
+&pinctrl_i2c2_gpio {
+ fsl,pins = <
+ MX8MP_IOMUXC_I2C2_SCL__GPIO5_IO16 0x1c4
+ MX8MP_IOMUXC_I2C2_SDA__GPIO5_IO17 0x1c4
+ >;
+};
+
+&pcie_phy {
+ status = "disabled";
+};
+
+&pcie {
+ status = "disabled";
+};
+
+&phy_eqos_ath {
+ /*
+ * The software support for combination of EEE capable PHY and EEE
+ * capable MAC is so far missing from the Linux kernel. By default,
+ * the AR8035 PHY does enable EEE functionality on the PHY side,
+ * while the EQoS/DWMAC MAC expects to handle the EEE functionality
+ * on the MAC side. Because the Linux kernel is currently unable to
+ * align EEE configuration of the PHY and MAC, enabling EEE leads
+ * to unreliable link. Disable EEE until the kernel support is in
+ * place.
+ */
+ eee-broken-100tx;
+ eee-broken-1000t;
+ status = "okay";
+};
+
+&phy_eqos_bcm {
+ status = "disabled";
+};
+
+&phy_fec_ath {
+ status = "okay";
+};
+
+&phy_fec_bcm {
+ status = "disabled";
+};
+
+®_pcie0 {
+ status = "disabled";
+};
+
+&tpm {
+ status = "disabled";
+};
+
+&uart4 {
+ status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtso
new file mode 100644
index 0000000000000..0141b5d77c6bd
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtso
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2024-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mp-pinfunc.h"
+
+&pinctrl_hog_misc {
+ fsl,pins = <
+ /* ENET_WOL# -- shared by both PHYs */
+ MX8MP_IOMUXC_GPIO1_IO10__GPIO1_IO10 0x40000090
+
+ /* PG_V_IN_VAR# */
+ MX8MP_IOMUXC_NAND_CE0_B__GPIO3_IO01 0x40000000
+ /* CSI2_PD_1V8 */
+ MX8MP_IOMUXC_NAND_DATA02__GPIO3_IO08 0x0
+ /* CSI2_RESET_1V8# */
+ MX8MP_IOMUXC_NAND_DATA03__GPIO3_IO09 0x0
+
+ /* DIS_USB_DN1 */
+ MX8MP_IOMUXC_SAI2_RXFS__GPIO4_IO21 0x0
+ /* DIS_USB_DN2 */
+ MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22 0x0
+
+ /* EEPROM_WP_1V8# */
+ MX8MP_IOMUXC_NAND_DQS__GPIO3_IO14 0x100
+ /* PCIE_CLK_GEN_CLKPWRGD_PD_1V8# */
+ MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21 0x0
+ /* GRAPHICS_PRSNT_1V8# */
+ MX8MP_IOMUXC_SAI1_TXD6__GPIO4_IO18 0x40000000
+
+ /* CLK_CCM_CLKO1_3V3 */
+ MX8MP_IOMUXC_GPIO1_IO14__CCM_CLKO1 0x10
+ >;
+};
+
+&pinctrl_pcie0 {
+ fsl,pins = <
+ /* M2_PCIE_RST# */
+ MX8MP_IOMUXC_GPIO1_IO05__GPIO1_IO05 0x2
+ /* M2_W_DISABLE1_1V8# */
+ MX8MP_IOMUXC_SAI5_RXD2__GPIO3_IO23 0x2
+ /* M2_W_DISABLE2_1V8# */
+ MX8MP_IOMUXC_SAI5_RXD3__GPIO3_IO24 0x2
+ /* CLK_M2_32K768 */
+ MX8MP_IOMUXC_GPIO1_IO00__CCM_EXT_CLK1 0x14
+ /* M2_PCIE_WAKE# */
+ MX8MP_IOMUXC_GPIO1_IO06__GPIO1_IO06 0x40000140
+ /* M2_PCIE_CLKREQ# */
+ MX8MP_IOMUXC_I2C4_SCL__PCIE_CLKREQ_B 0x61
+ >;
+};
+
+&pinctrl_uart4 {
+ fsl,pins = <
+ MX8MP_IOMUXC_UART4_RXD__UART4_DCE_RX 0x49
+ MX8MP_IOMUXC_UART4_TXD__UART4_DCE_TX 0x49
+ >;
+};
+
+&gpiowifi {
+ status = "disabled";
+};
+
+&uart4 {
+ status = "disabled";
+};
--
2.53.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 ` [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board " Marek Vasut
@ 2026-07-16 6:14 ` sashiko-bot
0 siblings, 0 replies; 11+ messages in thread
From: sashiko-bot @ 2026-07-16 6:14 UTC (permalink / raw)
To: Marek Vasut; +Cc: conor+dt, devicetree, imx, robh, Frank.Li
Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider:
- [Medium] Devicetree Makefile targets for rev900 and rev902 LVDS boards incorrectly include the DSI-to-LVDS adapter overlay instead of the native LVDS overlay.
--
--- Patch [2]: [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board DTOs for Data Modul i.MX8M Mini and Plus eDM SBC ---
commit 9cbdc6e353675bf76d693179ba857291f2e7ba5e
Author: Marek Vasut <marex@nabladev.com>
arm64: dts: imx8mm: imx8mp: Add legacy board DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
This patch adds legacy board revision compatibility DT overlays for both
i.MX8M Mini and Plus eDM SBC boards. It also includes adjustments to
support legacy board revisions.
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index fbfd0e79f118d..09ea330884ad4 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
[ ... ]
> @@ -338,6 +344,24 @@ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11-dtbs := \
> imx8mp-data-modul-edm-sbc.dtb \
> imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-mi1010z1t-1cp11.dtbo
>
> +imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900-dtbs := \
> + imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev900.dtb \
> + imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
> + imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev900.dtbo
> +
> +imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902-dtbs := \
> + imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtb \
> + imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
> + imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-rev902.dtbo
[Severity: Medium]
Do these targets incorrectly include the DSI-to-LVDS adapter overlay
(edm-mod-imx8mm) instead of the native LVDS overlay (edm-sbc-imx8mp-lvds)
for the SBC?
If so, this might cause the LVDS display pipeline for the rev900 and rev902
i.MX8MP SBCs to be misconfigured. They might expect the lt9211 DSI-to-LVDS
adapter instead of the native lcdif2 and lvds_bridge, which could lead to a
display probe failure at runtime.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260716055751.279033-1-marex@nabladev.com?part=2
^ permalink raw reply [flat|nested] 11+ messages in thread
* [PATCH v5 3/6] arm64: dts: imx8mm: imx8mp: Add HDMI DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Marek Vasut
2026-07-16 5:56 ` [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board " Marek Vasut
@ 2026-07-16 5:56 ` Marek Vasut
2026-07-16 5:56 ` [PATCH v5 4/6] arm64: dts: imx8mm: imx8mp: Add CM " Marek Vasut
` (3 subsequent siblings)
5 siblings, 0 replies; 11+ messages in thread
From: Marek Vasut @ 2026-07-16 5:56 UTC (permalink / raw)
To: linux-arm-kernel
Cc: Marek Vasut, Conor Dooley, Fabio Estevam, Frank Li,
Krzysztof Kozlowski, Pengutronix Kernel Team, Rob Herring,
Sascha Hauer, devicetree, imx, linux-kernel
Add DT overlay for the DSI-to-HDMI adapter eDM-MOD-iMX8Mm-HDMI populated
with Lontium LT9611 bridge. This adapter can be optionally populated onto
the eDM SBC.
Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Frank Li <Frank.Li@nxp.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
V2: Deduplicate the DTOs further
V3: New patch split from the original megapatch
V4: Rebase on next-20260703
V5: No change
---
arch/arm64/boot/dts/freescale/Makefile | 12 +++
...l-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtsi | 94 +++++++++++++++++++
...l-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso | 17 ++++
...l-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso | 17 ++++
4 files changed, 140 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index e0630f7bc58b7..1c70271138577 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -120,6 +120,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdps-mb-smarc-2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
+
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01-dtbs := \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo
@@ -153,6 +157,8 @@ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900-dtbs := \
imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtb \
@@ -295,6 +301,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
DTC_FLAGS_imx8mp-cubox-m := -@
dtb-$(CONFIG_ARCH_MXC) += imx8mp-cubox-m.dtb
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
+
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01-dtbs := \
imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo
@@ -370,6 +380,8 @@ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902-dtbs := \
imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g101ice-l01.dtb \
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtsi
new file mode 100644
index 0000000000000..c0f2aa462104f
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtsi
@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+&{/} {
+ hdmi-out {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_con: endpoint {
+ remote-endpoint = <<9611_out>;
+ };
+ };
+ };
+};
+
+&i2c_display { /* Display connector I2C */
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ lt9611_codec: hdmi-bridge@3b {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_panel_expansion>;
+ compatible = "lontium,lt9611";
+ reg = <0x3b>;
+ vcc-supply = <&buck4_reg>; /* X400 pin 55, +3V3_S0 */
+ vdd-supply = <&buck5_reg>; /* X400 pin 51, +1V8_S0 */
+
+ /* Audio I2S not described */
+ #sound-dai-cells = <1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ lt9611_a: endpoint {
+ remote-endpoint = <&mipi_dsi_bridge1_out>;
+ };
+ };
+
+ port@2 {
+ reg = <2>;
+
+ lt9611_out: endpoint {
+ remote-endpoint = <&hdmi_con>;
+ };
+ };
+ };
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c02";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+};
+
+&iomuxc {
+ /* Free &pinctrl_panel_expansion from hog for lt9611_codec above */
+ pinctrl-0 = <&pinctrl_hog_misc>, <&pinctrl_hog_feature>,
+ <&pinctrl_hog_panel>, <&pinctrl_hog_sbc>;
+};
+
+&mipi_dsi {
+ /* HDMI 148.5 MHz x2 (DDR) x3 (24bpp / 8) */
+ samsung,burst-clock-frequency = <891000000>;
+ samsung,esc-clock-frequency = <10000000>;
+ status = "okay";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+
+ mipi_dsi_bridge1_out: endpoint {
+ clock-lanes = <0>;
+ data-lanes = <1 2 3 4>;
+ /* Clock and data lanes have DN/DP swapped */
+ lane-polarities = <1 1 1 1 1>;
+ remote-endpoint = <<9611_a>;
+ };
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso
new file mode 100644
index 0000000000000..334ba299a3541
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtsi"
+
+<9611_codec {
+ interrupts-extended = <&gpio2 3 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio2 2 GPIO_ACTIVE_HIGH>;
+};
+
+&lcdif {
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso
new file mode 100644
index 0000000000000..d8114fd869b54
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtso
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtsi"
+
+<9611_codec {
+ interrupts-extended = <&gpio4 19 IRQ_TYPE_EDGE_FALLING>;
+ reset-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
+};
+
+&lcdif1 {
+ status = "okay";
+};
--
2.53.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* [PATCH v5 4/6] arm64: dts: imx8mm: imx8mp: Add CM DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Marek Vasut
2026-07-16 5:56 ` [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board " Marek Vasut
2026-07-16 5:56 ` [PATCH v5 3/6] arm64: dts: imx8mm: imx8mp: Add HDMI " Marek Vasut
@ 2026-07-16 5:56 ` Marek Vasut
2026-07-16 6:08 ` sashiko-bot
2026-07-16 5:56 ` [PATCH v5 5/6] arm64: dts: imx8mm: imx8mp: Add FIO1 " Marek Vasut
` (2 subsequent siblings)
5 siblings, 1 reply; 11+ messages in thread
From: Marek Vasut @ 2026-07-16 5:56 UTC (permalink / raw)
To: linux-arm-kernel
Cc: Marek Vasut, Conor Dooley, Fabio Estevam, Frank Li,
Krzysztof Kozlowski, Pengutronix Kernel Team, Rob Herring,
Sascha Hauer, devicetree, imx, linux-kernel
Add DT overlay which adds CM4/CM7 extras so that CM4/CM7 firmware could
be used with remoteproc and rpmsg, but without imposing the overhead
on every user of the platform. The CM4 variant applies to i.MX8M Mini,
while the CM7 variant applies to i.MX8M Plus .
Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Frank Li <Frank.Li@nxp.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
V2: Deduplicate the DTOs further
V3: New patch split from the original megapatch
V4: Rebase on next-20260703
V5: Change vdevbuffer to vdev0buffer as requested by maintainer
---
arch/arm64/boot/dts/freescale/Makefile | 12 ++++
...imx8mm-data-modul-edm-sbc-overlay-cm4.dtso | 56 ++++++++++++++++++
...imx8mp-data-modul-edm-sbc-overlay-cm7.dtso | 57 +++++++++++++++++++
3 files changed, 125 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 1c70271138577..21902f095bf49 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -120,6 +120,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdp-mba8xx.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8dxp-tqma8xdps-mb-smarc-2.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mm-beacon-kit.dtb
+imx8mm-data-modul-edm-sbc-overlay-cm4-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-cm4.dtbo
+
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
@@ -157,6 +161,8 @@ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900-dtbs := \
imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-cm4.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-cm4.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
@@ -301,6 +307,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-beacon-kit.dtb
DTC_FLAGS_imx8mp-cubox-m := -@
dtb-$(CONFIG_ARCH_MXC) += imx8mp-cubox-m.dtb
+imx8mp-data-modul-edm-sbc-overlay-cm7-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-cm7.dtbo
+
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
@@ -380,6 +390,8 @@ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902-dtbs := \
imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-cm7.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-cm7.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso
new file mode 100644
index 0000000000000..0bd770af2a68c
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2023-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/imx8mm-clock.h>
+
+&{/} {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ reserved-memory { /* CM4 reserved memory */
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ m_core_reserved: m_core@b7000000 {
+ reg = <0 0xb7000000 0 0x1000000>;
+ no-map;
+ };
+
+ vdev0vring0: vdev0vring0@b8000000 {
+ reg = <0 0xb8000000 0 0x8000>;
+ no-map;
+ };
+
+ vdev0vring1: vdev0vring1@b8008000 {
+ reg = <0 0xb8008000 0 0x8000>;
+ no-map;
+ };
+
+ rsc_table: rsc-table@b80ff000 {
+ reg = <0 0xb80ff000 0 0x1000>;
+ no-map;
+ };
+
+ vdev0buffer: vdev0buffer@b8400000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0xb8400000 0 0x100000>;
+ no-map;
+ };
+ };
+
+ imx8mm-cm4 {
+ compatible = "fsl,imx8mm-cm4";
+ clocks = <&clk IMX8MM_CLK_M4_CORE>;
+ mbox-names = "tx", "rx", "rxdb";
+ mboxes = <&mu 0 1
+ &mu 1 1
+ &mu 3 1>;
+ memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>;
+ syscon = <&src>;
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso
new file mode 100644
index 0000000000000..11d342712da61
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-cm7.dtso
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2023-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/imx8mp-clock.h>
+
+&{/} {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ reserved-memory { /* CM7 reserved memory */
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ m_core_reserved: m_core@54000000 {
+ reg = <0 0x54000000 0 0x1000000>;
+ no-map;
+ };
+
+ vdev0vring0: vdev0vring0@55000000 {
+ reg = <0 0x55000000 0 0x8000>;
+ no-map;
+ };
+
+ vdev0vring1: vdev0vring1@55008000 {
+ reg = <0 0x55008000 0 0x8000>;
+ no-map;
+ };
+
+ rsc_table: rsc-table@550ff000 {
+ reg = <0 0x550ff000 0 0x1000>;
+ no-map;
+ };
+
+ vdev0buffer: vdev0buffer@55400000 {
+ compatible = "shared-dma-pool";
+ reg = <0 0x55400000 0 0x100000>;
+ no-map;
+ };
+ };
+
+ imx8mp-cm7 {
+ compatible = "fsl,imx8mp-cm7-mmio";
+ clocks = <&clk IMX8MP_CLK_M7_CORE>;
+ fsl,iomuxc-gpr = <&gpr>;
+ mbox-names = "tx", "rx", "rxdb";
+ mboxes = <&mu 0 1
+ &mu 1 1
+ &mu 3 1>;
+ memory-region = <&vdev0buffer>, <&vdev0vring0>, <&vdev0vring1>, <&rsc_table>;
+ syscon = <&src>;
+ };
+};
--
2.53.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v5 4/6] arm64: dts: imx8mm: imx8mp: Add CM DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 ` [PATCH v5 4/6] arm64: dts: imx8mm: imx8mp: Add CM " Marek Vasut
@ 2026-07-16 6:08 ` sashiko-bot
0 siblings, 0 replies; 11+ messages in thread
From: sashiko-bot @ 2026-07-16 6:08 UTC (permalink / raw)
To: Marek Vasut; +Cc: Frank.Li, conor+dt, imx, robh, devicetree
Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider:
- [High] The CM4 devicetree overlay for the i.MX8MM board hardcodes reserved memory regions at physical addresses that lie outside the RAM boundaries of the 1 GiB variant of the board.
--
--- Patch [4]: [PATCH v5 4/6] arm64: dts: imx8mm: imx8mp: Add CM DTOs for Data Modul i.MX8M Mini and Plus eDM SBC ---
commit 570590d387e46a557b9ab429099f8826e9336ea2
Author: Marek Vasut <marex@nabladev.com>
arm64: dts: imx8mm: imx8mp: Add CM DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
This commit adds device tree overlays which provide CM4/CM7 extras for
the Data Modul i.MX8M Mini and Plus eDM SBCs. It allows CM4/CM7 firmware
to be used with remoteproc and rpmsg without imposing overhead on all users.
[ ... ]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso
> new file mode 100644
> index 0000000000000..0bd770af2a68c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-cm4.dtso
[ ... ]
> + reserved-memory { /* CM4 reserved memory */
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + m_core_reserved: m_core@b7000000 {
> + reg = <0 0xb7000000 0 0x1000000>;
> + no-map;
> + };
> +
> + vdev0vring0: vdev0vring0@b8000000 {
> + reg = <0 0xb8000000 0 0x8000>;
> + no-map;
> + };
[Severity: High]
Will applying this overlay on the 1 GiB variant of the board cause a crash?
The base board imx8mm-data-modul-edm-sbc.dts supports 1, 2, or 4 GiB variants
with physical memory starting at 0x40000000. On a 1 GiB variant, physical
memory ends at 0x7FFFFFFF.
Since these memory regions are hardcoded at physical addresses starting at
0xb7000000 and 0xb8000000, they fall outside the available DRAM for 1 GiB
boards.
When the remoteproc driver probes and attempts to map and initialize these
reserved memory regions, will it access unbacked physical memory and trigger
a synchronous external abort?
[ ... ]
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260716055751.279033-1-marex@nabladev.com?part=4
^ permalink raw reply [flat|nested] 11+ messages in thread
* [PATCH v5 5/6] arm64: dts: imx8mm: imx8mp: Add FIO1 DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Marek Vasut
` (2 preceding siblings ...)
2026-07-16 5:56 ` [PATCH v5 4/6] arm64: dts: imx8mm: imx8mp: Add CM " Marek Vasut
@ 2026-07-16 5:56 ` Marek Vasut
2026-07-16 6:13 ` sashiko-bot
2026-07-16 5:56 ` [PATCH v5 6/6] arm64: dts: imx8mm: imx8mp: Add FIO1-Audio " Marek Vasut
2026-07-16 6:10 ` [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS " sashiko-bot
5 siblings, 1 reply; 11+ messages in thread
From: Marek Vasut @ 2026-07-16 5:56 UTC (permalink / raw)
To: linux-arm-kernel
Cc: Marek Vasut, Conor Dooley, Fabio Estevam, Frank Li,
Krzysztof Kozlowski, Pengutronix Kernel Team, Rob Herring,
Sascha Hauer, devicetree, imx, linux-kernel
Add DT overlay for feature connector expansion module eDM-MOD-iMX8Mm-FIO1
providing additional UARTs, CAN, PWM Beeper, I2C, SPI and GPIO breakout.
This adapter can be optionally populated onto the eDM SBC.
Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Frank Li <Frank.Li@nxp.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
V2: Deduplicate the DTOs further
V3: New patch split from the original megapatch
V4: Rebase on next-20260703
V5: No change
---
arch/arm64/boot/dts/freescale/Makefile | 12 ++++
...l-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi | 69 +++++++++++++++++++
...l-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso | 59 ++++++++++++++++
...l-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso | 46 +++++++++++++
4 files changed, 186 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 21902f095bf49..43ffdd70ce2e1 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -124,6 +124,10 @@ imx8mm-data-modul-edm-sbc-overlay-cm4-dtbs := \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-cm4.dtbo
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo
+
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
@@ -163,6 +167,8 @@ imx8mm-data-modul-edm-sbc-overlay-edm-sbc-imx8mm-rev900-dtbs := \
dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-cm4.dtb \
imx8mm-data-modul-edm-sbc-overlay-cm4.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
@@ -311,6 +317,10 @@ imx8mp-data-modul-edm-sbc-overlay-cm7-dtbs := \
imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-cm7.dtbo
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo
+
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
@@ -392,6 +402,8 @@ imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-rev902-dtbs := \
dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-cm7.dtb \
imx8mp-data-modul-edm-sbc-overlay-cm7.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi
new file mode 100644
index 0000000000000..7851ca73ccd8e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi
@@ -0,0 +1,69 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+&{/} {
+ can_osc: can-osc {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <20000000>;
+ };
+};
+
+&ecspi2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ can_fio: can@0 {
+ compatible = "microchip,mcp2515";
+ reg = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_can>;
+ clocks = <&can_osc>;
+ spi-max-frequency = <5000000>;
+ };
+};
+
+&i2c_feature { /* Feature connector I2C */
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ gpio_feature: io-expander@20 {
+ compatible = "nxp,pca9554";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_gpio_expander>;
+ reg = <0x20>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio4>;
+ interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
+ gpio-line-names =
+ "GPIO1_output", "GPIO1_input",
+ "GPIO2_output", "GPIO2_input",
+ "GPIO3_output", "GPIO3_input",
+ "PCA9511A_READY", "";
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ pagesize = <32>;
+ };
+};
+
+&uart1 { /* J500/J501 */
+ status = "okay";
+};
+
+&uart2 { /* RS485 J302/J303 */
+ linux,rs485-enabled-at-boot-time;
+ uart-has-rtscts;
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso
new file mode 100644
index 0000000000000..ad410db5f5b76
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mm-pinfunc.h"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi"
+
+&{/} {
+ beeper {
+ compatible = "pwm-beeper";
+ beeper-hz = <1000>;
+ pwms = <&pwm3 0 250000 0>;
+ };
+};
+
+&can_fio {
+ interrupts-extended = <&gpio4 25 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&iomuxc {
+ pinctrl_can: can-feature-grp {
+ fsl,pins = <
+ /* CAN_INT# */
+ MX8MM_IOMUXC_SAI2_TXC_GPIO4_IO25 0x400000d6
+ /* CAN_RST# */
+ MX8MM_IOMUXC_SAI2_TXD0_GPIO4_IO26 0x6
+ >;
+ };
+
+ pinctrl_gpio_expander: gpio-expander-feature-grp {
+ fsl,pins = <
+ /* GPIO4_IO27 */
+ MX8MM_IOMUXC_SAI2_MCLK_GPIO4_IO27 0x6
+ >;
+ };
+
+ pinctrl_pwm3: pwm3-buzzer-feature-grp {
+ fsl,pins = <
+ /* Buzzer PWM output */
+ MX8MM_IOMUXC_SPDIF_TX_PWM3_OUT 0x100
+ >;
+ };
+};
+
+&pinctrl_hog_feature {
+ fsl,pins = <
+ /* GPIO5_IO04 */
+ MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4 0x6
+ >;
+};
+
+&pwm3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pwm3>;
+ status = "okay";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso
new file mode 100644
index 0000000000000..0eccb7f7c0a8c
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtso
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include "imx8mp-pinfunc.h"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi"
+
+&can_fio {
+ interrupts-extended = <&gpio2 10 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&iomuxc {
+ pinctrl_can: can-feature-grp {
+ fsl,pins = <
+ /* CAN_INT# */
+ MX8MP_IOMUXC_SD1_RESET_B__GPIO2_IO10 0x400000d6
+ >;
+ };
+
+ pinctrl_gpio_expander: gpio-expander-feature-grp {
+ fsl,pins = <
+ /* GPIO4_IO27 */
+ MX8MP_IOMUXC_SAI2_MCLK__GPIO4_IO27 0x6
+ >;
+ };
+};
+
+&pinctrl_sai2 {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI2_TX_SYNC 0xd6
+ MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI2_TX_DATA00 0xd6
+ MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI2_TX_BCLK 0xd6
+ >;
+};
+
+&pinctrl_hog_feature {
+ fsl,pins = <
+ /* GPIO5_IO03 */
+ MX8MP_IOMUXC_GPIO1_IO07__GPIO1_IO07 0x40000006
+ /* GPIO5_IO04 */
+ MX8MP_IOMUXC_GPIO1_IO08__GPIO1_IO08 0x40000006
+ >;
+};
--
2.53.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v5 5/6] arm64: dts: imx8mm: imx8mp: Add FIO1 DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 ` [PATCH v5 5/6] arm64: dts: imx8mm: imx8mp: Add FIO1 " Marek Vasut
@ 2026-07-16 6:13 ` sashiko-bot
0 siblings, 0 replies; 11+ messages in thread
From: sashiko-bot @ 2026-07-16 6:13 UTC (permalink / raw)
To: Marek Vasut; +Cc: Frank.Li, conor+dt, devicetree, robh, imx
Thank you for your contribution! Sashiko AI review found 1 potential issue(s) to consider:
- [High] Device Tree node collision and potential I2C address conflict on `io-expander@20`.
--
--- Patch [5]: [PATCH v5 5/6] arm64: dts: imx8mm: imx8mp: Add FIO1 DTOs for Data Modul i.MX8M Mini and Plus eDM SBC ---
commit b8816aeaca7378ddfdc8544c5eb07a316a35281c
Author: Marek Vasut <marex@nabladev.com>
Subject: arm64: dts: imx8mm: imx8mp: Add FIO1 DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
This patch adds a Device Tree overlay for the eDM-MOD-iMX8Mm-FIO1 feature
connector expansion module. It provides additional UARTs, CAN, PWM Beeper,
I2C, SPI, and GPIO breakout for the Data Modul i.MX8M Mini and Plus eDM SBC.
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi
> new file mode 100644
> index 0000000000000..7851ca73ccd8e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtsi
[ ... ]
> +&i2c_feature { /* Feature connector I2C */
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + gpio_feature: io-expander@20 {
> + compatible = "nxp,pca9554";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_gpio_expander>;
> + reg = <0x20>;
[Severity: High]
Will this overlay conflict with the baseboard when applied to the i.MX8MP?
The i.MX8MP baseboard (arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc.dts)
unconditionally defines an LVDS IO expander on the same I2C bus:
gpiolvds: io-expander@20 {
compatible = "nxp,pca9554";
reg = <0x20>;
...
};
When this overlay is applied, won't gpio_feature: io-expander@20 merge into
gpiolvds: io-expander@20 and silently overwrite properties like gpio-line-names
and interrupt assignments, breaking both configurations?
Additionally, if both the baseboard LVDS PCA9554 and the FIO1 expansion
module PCA9554 are physically present, will they cause a hardware collision
on the I2C bus at address 0x20 and fail to probe?
> + #gpio-cells = <2>;
> + gpio-controller;
> + #interrupt-cells = <2>;
> + interrupt-controller;
> + interrupt-parent = <&gpio4>;
> + interrupts = <27 IRQ_TYPE_LEVEL_LOW>;
[ ... ]
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260716055751.279033-1-marex@nabladev.com?part=5
^ permalink raw reply [flat|nested] 11+ messages in thread
* [PATCH v5 6/6] arm64: dts: imx8mm: imx8mp: Add FIO1-Audio DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Marek Vasut
` (3 preceding siblings ...)
2026-07-16 5:56 ` [PATCH v5 5/6] arm64: dts: imx8mm: imx8mp: Add FIO1 " Marek Vasut
@ 2026-07-16 5:56 ` Marek Vasut
2026-07-16 6:23 ` sashiko-bot
2026-07-16 6:10 ` [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS " sashiko-bot
5 siblings, 1 reply; 11+ messages in thread
From: Marek Vasut @ 2026-07-16 5:56 UTC (permalink / raw)
To: linux-arm-kernel
Cc: Marek Vasut, Conor Dooley, Fabio Estevam, Frank Li,
Krzysztof Kozlowski, Pengutronix Kernel Team, Rob Herring,
Sascha Hauer, devicetree, imx, linux-kernel
Add DT overlay for feature connector expansion module eDM-MOD-iMX8Mm-FIO1-Audio
providing additional UARTs, CAN, PWM Beeper, I2C, SPI, GPIO breakout and
SGTL5000 codec. This adapter can be optionally populated onto the eDM SBC.
Signed-off-by: Marek Vasut <marex@nabladev.com>
---
Cc: Conor Dooley <conor+dt@kernel.org>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: Frank Li <Frank.Li@nxp.com>
Cc: Krzysztof Kozlowski <krzk+dt@kernel.org>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: devicetree@vger.kernel.org
Cc: imx@lists.linux.dev
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
---
V2: Deduplicate the DTOs further
V3: New patch split from the original megapatch
V4: Rebase on next-20260703, drop dependency links which have all landed now
V5: No change
---
arch/arm64/boot/dts/freescale/Makefile | 12 +++
...sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi | 101 ++++++++++++++++++
...sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso | 74 +++++++++++++
...sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso | 62 +++++++++++
4 files changed, 249 insertions(+)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi
create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 43ffdd70ce2e1..745a4617f6ea4 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -128,6 +128,10 @@ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-dtbs := \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo
+imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio-dtbs := \
+ imx8mm-data-modul-edm-sbc.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtbo
+
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
@@ -169,6 +173,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-data-modul-edm-sbc.dtb \
imx8mm-data-modul-edm-sbc-overlay-cm4.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtb \
+ imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
@@ -321,6 +327,10 @@ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-dtbs := \
imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo
+imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio-dtbs := \
+ imx8mp-data-modul-edm-sbc.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtbo
+
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi-dtbs := \
imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo
@@ -404,6 +414,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-data-modul-edm-sbc.dtb \
imx8mp-data-modul-edm-sbc-overlay-cm7.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1.dtbo \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtb \
+ imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtb \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-hdmi.dtbo \
imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g070y2-l01.dtb \
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi
new file mode 100644
index 0000000000000..c622213c12747
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi
@@ -0,0 +1,101 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2026 Marek Vasut
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+&{/} {
+ can_osc: can-osc {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <20000000>;
+ };
+
+ sound-fio {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "SGTL5000-FIO1";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,bitclock-master = <&codec_dai_fio>;
+ simple-audio-card,frame-master = <&codec_dai_fio>;
+ simple-audio-card,widgets = "Headphone", "Headphone Jack";
+ simple-audio-card,routing = "Headphone Jack", "HP_OUT";
+
+ simple-audio-card,cpu {
+ sound-dai = <&sai2>;
+ };
+
+ codec_dai_fio: simple-audio-card,codec {
+ sound-dai = <&sgtl5000_fio>;
+ };
+ };
+};
+
+&ecspi2 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ can_fio: can@0 {
+ compatible = "microchip,mcp2518fd";
+ reg = <0>;
+ clocks = <&can_osc>;
+ spi-max-frequency = <10000000>;
+ };
+};
+
+&i2c_feature { /* Feature connector I2C */
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ sgtl5000_fio: codec@a {
+ #sound-dai-cells = <0>;
+ compatible = "fsl,sgtl5000";
+ reg = <0x0a>;
+ clocks = <&sai5clk 1>;
+ VDDA-supply = <&buck4_reg>;
+ VDDD-supply = <&buck5_reg>;
+ VDDIO-supply = <&buck4_reg>;
+ };
+
+ gpio_feature: io-expander@20 {
+ compatible = "nxp,pca9554";
+ reg = <0x20>;
+ #gpio-cells = <2>;
+ gpio-controller;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio5>;
+ interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+ gpio-line-names =
+ "GPI0", "GPI1", "GPI2", "GPI3",
+ "GPO0", "GPO1", "GPO2", "GPO3";
+ };
+
+ eeprom@50 {
+ compatible = "atmel,24c32";
+ reg = <0x50>;
+ pagesize = <32>;
+ };
+};
+
+&sai2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai2>;
+ assigned-clock-rates = <24576000>;
+ fsl,sai-asynchronous;
+ fsl,sai-mclk-direction-output;
+ status = "okay";
+};
+
+&uart2 { /* RS422 J12 */
+ linux,rs485-enabled-at-boot-time;
+ uart-has-rtscts;
+ status = "okay";
+};
+
+/* UART4 is blocked by RDC and used as CM4 console UART */
+&uart4 { /* UART to 1-Wire J5 */
+ status = "disabled";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
new file mode 100644
index 0000000000000..4a02bd026ac16
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/imx8mm-clock.h>
+
+#include "imx8mm-pinfunc.h"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi"
+
+&can_fio {
+ interrupts-extended = <&gpio4 25 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&iomuxc {
+ pinctrl_codec_mclk: codec-mclk_feature-grp {
+ fsl,pins = <
+ /* GPIO4_IO27 */
+ MX8MM_IOMUXC_SAI2_MCLK_SAI5_MCLK 0x2
+ >;
+ };
+
+ pinctrl_sai2: sai2_feature-grp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SAI2_RXC_SAI2_RX_BCLK 0x90
+ MX8MM_IOMUXC_SAI2_TXD0_SAI2_TX_DATA0 0x96
+ MX8MM_IOMUXC_SAI2_RXD0_SAI2_RX_DATA0 0x90
+ MX8MM_IOMUXC_SAI2_TXFS_SAI2_TX_SYNC 0x96
+ >;
+ };
+};
+
+&pinctrl_hog_feature {
+ fsl,pins = <
+ /* GPIO5_IO03 */
+ MX8MM_IOMUXC_SPDIF_TX_GPIO5_IO3 0x40000006
+ /* GPIO5_IO04 */
+ MX8MM_IOMUXC_SPDIF_RX_GPIO5_IO4 0x40000006
+
+ /* CAN_INT# */
+ MX8MM_IOMUXC_SAI2_TXC_GPIO4_IO25 0x40000090
+ >;
+};
+
+&sai2 {
+ assigned-clocks = <&clk IMX8MM_CLK_SAI2>;
+ assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
+ fsl,sai-bit-clock-swap;
+};
+
+&spba2 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ sai5clk: clock-controller@30050000 { /* SAI5 */
+ compatible = "fsl,imx8mm-sai-clock", "fsl,imx8mq-sai-clock";
+ reg = <0x30050000 0x10000>;
+ #clock-cells = <1>;
+ clocks = <&clk IMX8MM_CLK_SAI5_IPG>,
+ <&clk IMX8MM_CLK_SAI5_ROOT>;
+ clock-names = "bus", "mclk1";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_codec_mclk>;
+ assigned-clocks = <&clk IMX8MM_CLK_SAI5>,
+ <&clk IMX8MM_CLK_CLKOUT1_SEL>,
+ <&clk IMX8MM_CLK_CLKOUT2_SEL>;
+ assigned-clock-parents = <&clk IMX8MM_CLK_24M>,
+ <&clk IMX8MM_CLK_24M>,
+ <&clk IMX8MM_CLK_24M>;
+ assigned-clock-rates = <24000000>;
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
new file mode 100644
index 0000000000000..90c2dd1e67248
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
@@ -0,0 +1,62 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024-2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/imx8mp-clock.h>
+
+#include "imx8mp-pinfunc.h"
+#include "imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi"
+
+&can_fio {
+ interrupts-extended = <&gpio2 10 IRQ_TYPE_LEVEL_LOW>;
+};
+
+&iomuxc {
+ pinctrl_codec_mclk: codec-mclk_feature-grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI2_MCLK__AUDIOMIX_SAI5_MCLK 0xd6
+ >;
+ };
+
+ sai2-grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI2_TX_SYNC 0xd6
+ MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI2_TX_DATA00 0xd6
+ MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI2_TX_BCLK 0xd6
+ MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI2_RX_DATA00 0xd6
+ >;
+ };
+
+ uart1-grp {
+ fsl,pins = <
+ MX8MP_IOMUXC_SD1_CLK__UART1_DCE_TX 0x49
+ MX8MP_IOMUXC_SD1_CMD__UART1_DCE_RX 0x49
+ MX8MP_IOMUXC_SD1_DATA1__UART1_DCE_CTS 0x49
+ >;
+ };
+};
+
+&sai2 {
+ assigned-clocks = <&clk IMX8MP_CLK_SAI2>;
+ assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL2_OUT>;
+};
+
+&spba5 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ sai5clk: clock-controller@30c50000 {
+ compatible = "fsl,imx8mp-sai-clock", "fsl,imx8mq-sai-clock";
+ reg = <0x30c50000 0x10000>;
+ #clock-cells = <1>;
+ clocks = <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI5_IPG>,
+ <&audio_blk_ctrl IMX8MP_CLK_AUDIOMIX_SAI5_MCLK1>;
+ clock-names = "bus", "mclk1";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_codec_mclk>;
+ status = "okay";
+ };
+};
--
2.53.0
^ permalink raw reply related [flat|nested] 11+ messages in thread* Re: [PATCH v5 6/6] arm64: dts: imx8mm: imx8mp: Add FIO1-Audio DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 ` [PATCH v5 6/6] arm64: dts: imx8mm: imx8mp: Add FIO1-Audio " Marek Vasut
@ 2026-07-16 6:23 ` sashiko-bot
0 siblings, 0 replies; 11+ messages in thread
From: sashiko-bot @ 2026-07-16 6:23 UTC (permalink / raw)
To: Marek Vasut; +Cc: Frank.Li, robh, imx, conor+dt, devicetree
Thank you for your contribution! Sashiko AI review found 4 potential issue(s) to consider:
- [High] Incorrect GPIO interrupt pin mapped for PCA9554 IO Expander on i.MX8MP
- [High] Broken RS485 UART configuration and pinmux RTS conflict on i.MX8MP
- [Medium] Device Tree node collision and duplicate unit address for SAI5 clock controller
- [Low] Missing PWM Beeper feature implementation contrary to commit message
--
--- Patch [6]: [PATCH v5 6/6] arm64: dts: imx8mm: imx8mp: Add FIO1-Audio DTOs for Data Modul i.MX8M Mini and Plus eDM SBC ---
commit 44a6d32ca342c6e20d4887379001b4de1904a3f8
Author: Marek Vasut <marex@nabladev.com>
arm64: dts: imx8mm: imx8mp: Add FIO1-Audio DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
Add DT overlay for feature connector expansion module eDM-MOD-iMX8Mm-FIO1-Audio
providing additional UARTs, CAN, PWM Beeper, I2C, SPI, GPIO breakout and
SGTL5000 codec. This adapter can be optionally populated onto the eDM SBC.
> providing additional UARTs, CAN, PWM Beeper, I2C, SPI, GPIO breakout and
> SGTL5000 codec.
[Severity: Low]
The commit message states that the overlay provides a PWM Beeper, but I do not
see a pwm-beeper compatible node or PWM configuration added in these new files.
Is this feature missing from the patch, or should the commit message be
updated?
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi
> new file mode 100644
> index 0000000000000..c622213c12747
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtsi
[ ... ]
> + gpio_feature: io-expander@20 {
> + compatible = "nxp,pca9554";
> + reg = <0x20>;
> + #gpio-cells = <2>;
> + gpio-controller;
> + #interrupt-cells = <2>;
> + interrupt-controller;
> + interrupt-parent = <&gpio5>;
> + interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
[Severity: High]
This hardcodes the PCA9554 interrupt to &gpio5 4 for both platforms. While this
routes correctly on i.MX8MM, doesn't the i.MX8MP SOM route this external
connector pin to &gpio1 8?
Since the i.MX8MP dtso doesn't override these properties, will the IO expander
listen on the wrong pin and miss interrupts on the i.MX8MP?
[ ... ]
> +&uart2 { /* RS422 J12 */
> + linux,rs485-enabled-at-boot-time;
> + uart-has-rtscts;
> + status = "okay";
> +};
[Severity: High]
Applying the RS485 properties to &uart2 works for i.MX8MM, but doesn't i.MX8MP
use &uart1 for its RS485 port?
Could this leave &uart1 unconfigured on i.MX8MP while applying invalid
properties to &uart2?
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
> new file mode 100644
> index 0000000000000..4a02bd026ac16
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
[ ... ]
> +&spba2 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + sai5clk: clock-controller@30050000 { /* SAI5 */
[Severity: Medium]
Is it intentional to create a new clock-controller node here?
This unit address overlaps with the existing sai@30050000 node in the base
i.MX8MM dtsi. Because the node names differ, dtc will create two duplicate
nodes, which can cause an -EBUSY resource conflict during probe.
Should this modify the existing &sai5 node instead?
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
> new file mode 100644
> index 0000000000000..90c2dd1e67248
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-mod-imx8mm-fio1-audio.dtso
[ ... ]
> + uart1-grp {
> + fsl,pins = <
> + MX8MP_IOMUXC_SD1_CLK__UART1_DCE_TX 0x49
> + MX8MP_IOMUXC_SD1_CMD__UART1_DCE_RX 0x49
> + MX8MP_IOMUXC_SD1_DATA1__UART1_DCE_CTS 0x49
> + >;
> + };
[Severity: High]
The base i.MX8MP board uses SAI2_RXD0 for the UART1_DCE_RTS pin. Since this
audio overlay reclaims SAI2_RXD0 for audio, it drops the RTS pin from this
uart1-grp.
Without the RTS pin to control transceiver direction, will the RS485 hardware
on i.MX8MP still be functional?
[ ... ]
> +&spba5 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + sai5clk: clock-controller@30c50000 {
[Severity: Medium]
Similar to the i.MX8MM overlay, this creates a new node that overlaps with the
existing sai@30c50000 node in the i.MX8MP base tree.
Could this cause duplicate nodes to be generated and lead to resource conflicts?
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260716055751.279033-1-marex@nabladev.com?part=6
^ permalink raw reply [flat|nested] 11+ messages in thread
* Re: [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
2026-07-16 5:56 [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Marek Vasut
` (4 preceding siblings ...)
2026-07-16 5:56 ` [PATCH v5 6/6] arm64: dts: imx8mm: imx8mp: Add FIO1-Audio " Marek Vasut
@ 2026-07-16 6:10 ` sashiko-bot
5 siblings, 0 replies; 11+ messages in thread
From: sashiko-bot @ 2026-07-16 6:10 UTC (permalink / raw)
To: Marek Vasut; +Cc: imx, conor+dt, devicetree, robh, Frank.Li
Thank you for your contribution! Sashiko AI review found 6 potential issue(s) to consider:
- [High] The backlight enable GPIO is hardcoded for the i.MX8MM adapter in the G215HVN011 panel overlay, breaking the backlight on the i.MX8MP native LVDS board.
- [Medium] Incorrect voltage mapping for state 0x3 in the AP63300 regulator configuration, which could lead to severe overvoltage.
- [Medium] The common abstraction file contains an adapter-specific dangling phandle reference to `&gpio_display`.
- [Low] The patch modifies a core SoC file (`imx8mp.dtsi`) to add the `spba5` label, which is undocumented in the commit message.
- [Low] The MP2328 voltage divider calculation comment is mathematically incorrect for the specified resistors.
- [Low] The MIPI DSI burst-clock-frequency comment for the G215HVN01.1 panel is incorrect.
--
--- Patch [1]: [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC ---
commit 0857188ec12e2f2c2c27ef0295f8548ec44a3213
Author: Marek Vasut <marex@nabladev.com>
arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC
This commit adds device tree overlays for the DSI-to-LVDS adapter
eDM-MOD-iMX8Mm-LVDS populated with Lontium LT9211 bridge. It provides
support for multiple panels and is intended for use with both the
i.MX8M Mini and i.MX8M Plus eDM SBCs.
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi
> new file mode 100644
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-common.dtsi
[ ... ]
> + reg_backlight_pwm_level: regulator-backlight-pwm-level {
> + compatible = "regulator-gpio";
> + regulator-name = "Backlight_SEL_PWM";
> + regulator-type = "voltage";
> + gpios = <&gpio_display 2 GPIO_ACTIVE_HIGH>; /* SEL_PWM */
[Severity: Medium]
Does this create a dangling phandle reference when included by the native
i.MX8MP adapter overlay? It looks like gpio_display is undefined in that
context, which might inject a leaky abstraction into the common file.
[ ... ]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi
> new file mode 100644
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-common.dtsi
[ ... ]
> +®_panel_vcc {
> + /*
> + * AP63300 voltage divider settings:
> + * R1=16k2
> + * R2=5k23 with optional series Rs=7k68 (5V) or Rt=1k5 (12V)
> + *
> + * 1 / Rx = (1 / R2) [ + (1 / Rs)][ + (1 / Rt)]
> + * Vout = 0.8 * ((R1 / Rx) + 1)
> + */
> + gpios = <&gpio_display 1 GPIO_ACTIVE_HIGH>, /* 5V */
> + <&gpio_display 0 GPIO_ACTIVE_HIGH>; /* 12V */
> + states = <3300000 0x0>,
> + <5000000 0x1>,
> + <12000000 0x2>,
> + <3900000 0x3>;
[Severity: Medium]
Is the state mapping for 0x3 safe to leave at 3900000? Based on the
hardware calculations, it appears this state would actually output around
13.6V. Could this lead to severe overvoltage and hardware damage if a
future panel requests 3.9V and the regulator framework switches to this
state?
> +};
[ ... ]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi
> new file mode 100644
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-edm-mod-imx8mm-lvds-g215hvn011.dtsi
[ ... ]
> +&mipi_dsi {
> + samsung,burst-clock-frequency = <864000000>; /* RX ByteClock ~27 MHz */
[Severity: Low]
Is the comment regarding the RX ByteClock frequency accurate here? An
864 MHz burst clock usually yields a byte clock of 108 MHz rather than
27 MHz.
[ ... ]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi
> new file mode 100644
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi
> @@ -0,0 +1,30 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2022-2026 Marek Vasut
> + */
> +
> +#include "imx8mm-data-modul-edm-sbc-overlay-lvds-5v0.dtsi"
> +#include "imx8mm-data-modul-edm-sbc-overlay-lvds-dual.dtsi"
> +
> +&backlight {
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_panel_backlight>;
> + enable-gpios = <&gpio3 0 GPIO_ACTIVE_HIGH>;
[Severity: High]
Does hardcoding this i.MX8MM-specific GPIO break the backlight when this
overlay is used on the native i.MX8MP LVDS board? It seems this bypasses
the abstract reg_panel_bl regulator. When the i.MX8MP overlay includes
this file, it overrides the power supply but does not override this
enable-gpios property, potentially causing it to toggle the wrong pin.
[ ... ]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso
> new file mode 100644
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds-g215hvn011.dtso
> @@ -0,0 +1,36 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2023-2026 Marek Vasut
> + */
> +
> +#include "imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi"
> +#include "imx8mm-data-modul-edm-sbc-overlay-lvds-g215hvn011.dtsi"
> +
> +&backlight {
> + power-supply = <®_panel_bl_supply>;
> +};
[Severity: High]
(Related to the previous point) Should this also override enable-gpios to
prevent the i.MX8MM specific pin from being inherited?
[ ... ]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi
> new file mode 100644
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-data-modul-edm-sbc-overlay-edm-sbc-imx8mp-lvds.dtsi
[ ... ]
> +&{/} {
> + reg_panel_bl_supply: regulator-panel-bl-supply {
> + compatible = "regulator-gpio";
> + regulator-type = "voltage";
> + regulator-name = "PANEL_BL_SUPPLY";
> + enable-gpios = <&gpiolvds 0 0>;
> + enable-active-high;
> + status = "okay";
> +
> + /*
> + * MP2328 voltage divider settings:
> + * R1=51k1
> + * R2=5k62 with optional series Rs=2k21 (12V)
> + *
> + * 1 / Rx = (1 / R2) [ + (1 / Rs)][ + (1 / Rt)]
> + * Vout = 0.5 + ((R1 / Rx) * 0.5)
> + */
[Severity: Low]
Is the mathematical formula in this comment accurate for this circuit?
If the resistors were placed in parallel, the formula
1 / Rx = (1 / R2) + (1 / Rs) with R1=51.1k, R2=5.62k, and Rs=2.21k would
yield 16.6V instead of 12V. Does the hardware actually switch between the
resistors rather than placing them in parallel?
[ ... ]
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 90d7bb8f5619e..42a3216daed44 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -1437,7 +1437,7 @@ aips5: bus@30df0000 {
> #access-controller-cells = <3>;
> ranges = <0x30c00000 0x30c00000 0x400000>;
>
> - spba-bus@30c00000 {
> + spba5: spba-bus@30c00000 {
> compatible = "fsl,spba-bus", "simple-bus";
> reg = <0x30c00000 0x100000>;
> #address-cells = <1>;
[Severity: Low]
Could this core SoC DTSI modification be split into a separate patch?
Adding the spba5 label here modifies a common architectural file silently
during a board-level overlay patch, and it does not appear to be
mentioned in the commit message.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260716055751.279033-1-marex@nabladev.com?part=1
^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2026-07-16 6:23 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-07-16 5:56 [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS DTOs for Data Modul i.MX8M Mini and Plus eDM SBC Marek Vasut
2026-07-16 5:56 ` [PATCH v5 2/6] arm64: dts: imx8mm: imx8mp: Add legacy board " Marek Vasut
2026-07-16 6:14 ` sashiko-bot
2026-07-16 5:56 ` [PATCH v5 3/6] arm64: dts: imx8mm: imx8mp: Add HDMI " Marek Vasut
2026-07-16 5:56 ` [PATCH v5 4/6] arm64: dts: imx8mm: imx8mp: Add CM " Marek Vasut
2026-07-16 6:08 ` sashiko-bot
2026-07-16 5:56 ` [PATCH v5 5/6] arm64: dts: imx8mm: imx8mp: Add FIO1 " Marek Vasut
2026-07-16 6:13 ` sashiko-bot
2026-07-16 5:56 ` [PATCH v5 6/6] arm64: dts: imx8mm: imx8mp: Add FIO1-Audio " Marek Vasut
2026-07-16 6:23 ` sashiko-bot
2026-07-16 6:10 ` [PATCH v5 1/6] arm64: dts: imx8mm: imx8mp: Add LVDS " sashiko-bot
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