* [PATCH v2] arm64: dts: imx8mn: Add ifm VHIP4 EvalBoard configuration EEPROM layout DTOs
@ 2026-08-25 14:26 Marek Vasut
0 siblings, 0 replies; only message in thread
From: Marek Vasut @ 2026-08-25 14:26 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 overlays which describe configuration EEPROM VHIP section,
for VHIP section v1.0.0.0, v1.1.0.0, v2.0.0.0, used on ifm VHIP4
EvalBoard .
With the DTO applied, the VHIP section fields become accessible via
sysfs nvmem interface. The entire EEPROM is accessible via the nvmem
interface as well.
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
---
NOTE: Depends on https://lore.kernel.org/all/20260810213456.1268831-2-marex@nabladev.com/
V2: s@comatibility@compatibility
---
arch/arm64/boot/dts/freescale/Makefile | 17 ++-
.../imx8mn-vhip4-overlay-eeprom-1000.dtso | 103 +++++++++++++++++
.../imx8mn-vhip4-overlay-eeprom-1100.dtso | 103 +++++++++++++++++
.../imx8mn-vhip4-overlay-eeprom-2000.dtso | 107 ++++++++++++++++++
4 files changed, 329 insertions(+), 1 deletion(-)
create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1000.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1100.dtso
create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-2000.dtso
diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index 95ae85ab4adf5..1215d8f6aa813 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -245,15 +245,25 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony-legacy.dtb
dtb-$(CONFIG_ARCH_MXC) += imx8mn-venice-gw7902.dtb
+imx8mn-vhip4-evalboard-v1-overlay-eeprom-1000-dtbs := imx8mn-vhip4-evalboard-v1.dtb \
+ imx8mn-vhip4-overlay-eeprom-1000.dtbo
+imx8mn-vhip4-evalboard-v1-overlay-eeprom-1100-dtbs := imx8mn-vhip4-evalboard-v1.dtb \
+ imx8mn-vhip4-overlay-eeprom-1100.dtbo
imx8mn-vhip4-evalboard-v1-overlay-ksz8794-dtbs := imx8mn-vhip4-evalboard-v1.dtb \
imx8mn-vhip4-evalboard-v1-overlay-ksz8794.dtbo
imx8mn-vhip4-evalboard-v1-overlay-ksz9031-dtbs := imx8mn-vhip4-evalboard-v1.dtb \
imx8mn-vhip4-evalboard-v1-overlay-ksz9031.dtbo
imx8mn-vhip4-evalboard-v2-overlay-adin1300-dtbs := imx8mn-vhip4-evalboard-v2.dtb \
imx8mn-vhip4-evalboard-v2-overlay-adin1300.dtbo
+imx8mn-vhip4-evalboard-v2-overlay-eeprom-1100-dtbs := imx8mn-vhip4-evalboard-v2.dtb \
+ imx8mn-vhip4-overlay-eeprom-1100.dtbo
+imx8mn-vhip4-evalboard-v2-overlay-eeprom-2000-dtbs := imx8mn-vhip4-evalboard-v2.dtb \
+ imx8mn-vhip4-overlay-eeprom-2000.dtbo
imx8mn-vhip4-evalboard-v2-overlay-ksz8794-dtbs := imx8mn-vhip4-evalboard-v2.dtb \
imx8mn-vhip4-evalboard-v2-overlay-ksz8794.dtbo
dtb-$(CONFIG_ARCH_MXC) += imx8mn-vhip4-evalboard-v1.dtb \
+ imx8mn-vhip4-evalboard-v1-overlay-eeprom-1000.dtb \
+ imx8mn-vhip4-evalboard-v1-overlay-eeprom-1100.dtb \
imx8mn-vhip4-evalboard-v1-overlay-ksz8794.dtb \
imx8mn-vhip4-evalboard-v1-overlay-ksz8794.dtbo \
imx8mn-vhip4-evalboard-v1-overlay-ksz9031.dtb \
@@ -261,8 +271,13 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mn-vhip4-evalboard-v1.dtb \
imx8mn-vhip4-evalboard-v2.dtb \
imx8mn-vhip4-evalboard-v2-overlay-adin1300.dtb \
imx8mn-vhip4-evalboard-v2-overlay-adin1300.dtbo \
+ imx8mn-vhip4-evalboard-v2-overlay-eeprom-1100.dtb \
+ imx8mn-vhip4-evalboard-v2-overlay-eeprom-2000.dtb \
imx8mn-vhip4-evalboard-v2-overlay-ksz8794.dtb \
- imx8mn-vhip4-evalboard-v2-overlay-ksz8794.dtbo
+ imx8mn-vhip4-evalboard-v2-overlay-ksz8794.dtbo \
+ imx8mn-vhip4-overlay-eeprom-1000.dtbo \
+ imx8mn-vhip4-overlay-eeprom-1100.dtbo \
+ imx8mn-vhip4-overlay-eeprom-2000.dtbo
imx8mn-tqma8mqnl-mba8mx-lvds-g133han01-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mm-tqma8mqml-mba8mx-lvds-g133han01.dtbo
imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33-dtbs += imx8mn-tqma8mqnl-mba8mx.dtb imx8mn-tqma8mqnl-mba8mx-lvds-tm070jvhg33.dtbo
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1000.dtso b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1000.dtso
new file mode 100644
index 0000000000000..da3a40a310faf
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1000.dtso
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+&cfg_eeprom {
+ cfg_eeprom_layout: nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vhip-signature@0 {
+ reg = <0x0 0x4>;
+ };
+
+ vhip-version@4 {
+ reg = <0x4 0x4>;
+ };
+
+ vhip-size@8 {
+ reg = <0x8 0x4>;
+ };
+
+ device-serial@c {
+ reg = <0xc 0x10>;
+ };
+
+ order-number@1c {
+ reg = <0x1c 0x20>;
+ };
+
+ article-name@3c {
+ reg = <0x3c 0x20>;
+ };
+
+ article-rev@5c {
+ reg = <0x5c 0x4>;
+ };
+
+ hardware-rev@60 {
+ reg = <0x60 0x4>;
+ };
+
+ product-type@64 {
+ reg = <0x64 0x20>;
+ };
+
+ software-compatibility@84 {
+ reg = <0x84 0x4>;
+ };
+
+ manufacturing-date@88 {
+ reg = <0x88 0x20>;
+ };
+
+ production-order-number@a8 {
+ reg = <0xa8 0x20>;
+ };
+
+ /* Each MAC address is padded to 8 Bytes */
+ cfg_eeprom_mac1: mac-address-1@c8 {
+ reg = <0xc8 0x8>;
+ };
+
+ cfg_eeprom_mac2: mac-address-2@d0 {
+ reg = <0xd0 0x8>;
+ };
+
+ cfg_eeprom_mac3: mac-address-3@d8 {
+ reg = <0xd8 0x8>;
+ };
+
+ cfg_eeprom_mac4: mac-address-4@e0 {
+ reg = <0xe0 0x8>;
+ };
+
+ cfg_eeprom_mac5: mac-address-5@e8 {
+ reg = <0xe8 0x8>;
+ };
+
+ cfg_eeprom_mac6: mac-address-6@f0 {
+ reg = <0xf0 0x8>;
+ };
+
+ cfg_eeprom_mac7: mac-address-7@f8 {
+ reg = <0xf8 0x8>;
+ };
+
+ cfg_eeprom_mac8: mac-address-8@100 {
+ reg = <0x100 0x8>;
+ };
+
+ next-block-offset@108 {
+ reg = <0x108 0x4>;
+ };
+
+ section-crc@10c {
+ reg = <0x10c 0x4>;
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1100.dtso b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1100.dtso
new file mode 100644
index 0000000000000..30df55621b7b4
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-1100.dtso
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+&cfg_eeprom {
+ cfg_eeprom_layout: nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vhip-signature@0 {
+ reg = <0x0 0x4>;
+ };
+
+ vhip-version@4 {
+ reg = <0x4 0x4>;
+ };
+
+ vhip-size@8 {
+ reg = <0x8 0x4>;
+ };
+
+ device-serial@c {
+ reg = <0xc 0x10>;
+ };
+
+ order-number@1c {
+ reg = <0x1c 0x20>;
+ };
+
+ article-name@3c {
+ reg = <0x3c 0x40>;
+ };
+
+ article-rev@7c {
+ reg = <0x7c 0x4>;
+ };
+
+ hardware-rev@80 {
+ reg = <0x80 0x4>;
+ };
+
+ product-type@84 {
+ reg = <0x84 0x20>;
+ };
+
+ software-compatibility@a4 {
+ reg = <0xa4 0x4>;
+ };
+
+ manufacturing-date@a8 {
+ reg = <0xa8 0x20>;
+ };
+
+ production-order-number@c8 {
+ reg = <0xc8 0x20>;
+ };
+
+ /* Each MAC address is padded to 8 Bytes */
+ cfg_eeprom_mac1: mac-address-1@e8 {
+ reg = <0xe8 0x8>;
+ };
+
+ cfg_eeprom_mac2: mac-address-2@f0 {
+ reg = <0xf0 0x8>;
+ };
+
+ cfg_eeprom_mac3: mac-address-3@f8 {
+ reg = <0xf8 0x8>;
+ };
+
+ cfg_eeprom_mac4: mac-address-4@100 {
+ reg = <0x100 0x8>;
+ };
+
+ cfg_eeprom_mac5: mac-address-5@108 {
+ reg = <0x108 0x8>;
+ };
+
+ cfg_eeprom_mac6: mac-address-6@110 {
+ reg = <0x110 0x8>;
+ };
+
+ cfg_eeprom_mac7: mac-address-7@118 {
+ reg = <0x118 0x8>;
+ };
+
+ cfg_eeprom_mac8: mac-address-8@120 {
+ reg = <0x120 0x8>;
+ };
+
+ next-block-offset@128 {
+ reg = <0x128 0x4>;
+ };
+
+ section-crc@12c {
+ reg = <0x12c 0x4>;
+ };
+ };
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-2000.dtso b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-2000.dtso
new file mode 100644
index 0000000000000..a2ca7ee8a2d2d
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mn-vhip4-overlay-eeprom-2000.dtso
@@ -0,0 +1,107 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (C) 2026 Marek Vasut
+ */
+/dts-v1/;
+/plugin/;
+
+&cfg_eeprom {
+ cfg_eeprom_layout: nvmem-layout {
+ compatible = "fixed-layout";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ vhip-signature@0 {
+ reg = <0x0 0x4>;
+ };
+
+ vhip-version@4 {
+ reg = <0x4 0x4>;
+ };
+
+ vhip-size@8 {
+ reg = <0x8 0x4>;
+ };
+
+ section-data-crc@c {
+ reg = <0xc 0x4>;
+ };
+
+ next-block-offset@10 {
+ reg = <0x10 0x4>;
+ };
+
+ section-header-crc@14 {
+ reg = <0x14 0x4>;
+ };
+
+ device-serial@18 {
+ reg = <0x18 0x10>;
+ };
+
+ order-number@28 {
+ reg = <0x28 0x20>;
+ };
+
+ article-name@48 {
+ reg = <0x48 0x40>;
+ };
+
+ article-rev@88 {
+ reg = <0x88 0x4>;
+ };
+
+ hardware-rev@8c {
+ reg = <0x8c 0x4>;
+ };
+
+ product-type@90 {
+ reg = <0x90 0x20>;
+ };
+
+ software-compatibility@b0 {
+ reg = <0xb0 0x4>;
+ };
+
+ manufacturing-date@b4 {
+ reg = <0xb4 0x20>;
+ };
+
+ production-order-number@d4 {
+ reg = <0xd4 0x20>;
+ };
+
+ /* Each MAC address is padded to 8 Bytes */
+ cfg_eeprom_mac1: mac-address-1@f4 {
+ reg = <0xf4 0x8>;
+ };
+
+ cfg_eeprom_mac2: mac-address-2@fc {
+ reg = <0xfc 0x8>;
+ };
+
+ cfg_eeprom_mac3: mac-address-3@104 {
+ reg = <0x104 0x8>;
+ };
+
+ cfg_eeprom_mac4: mac-address-4@10c {
+ reg = <0x10c 0x8>;
+ };
+
+ cfg_eeprom_mac5: mac-address-5@114 {
+ reg = <0x114 0x8>;
+ };
+
+ cfg_eeprom_mac6: mac-address-6@11c {
+ reg = <0x11c 0x8>;
+ };
+
+ cfg_eeprom_mac7: mac-address-7@124 {
+ reg = <0x124 0x8>;
+ };
+
+ cfg_eeprom_mac8: mac-address-8@12c {
+ reg = <0x12c 0x8>;
+ };
+ };
+};
--
2.53.0
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2026-08-25 14:27 UTC | newest]
Thread overview: (only message) (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-08-25 14:26 [PATCH v2] arm64: dts: imx8mn: Add ifm VHIP4 EvalBoard configuration EEPROM layout DTOs Marek Vasut
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.