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Thu, 13 Aug 2026 06:34:43 -0700 (PDT) From: Leonardo Costa To: Frank.Li@nxp.com, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Leonardo Costa Subject: [PATCH 2/6] arm64: dts: freescale: imx8mp-verdin: Add Toradex DSI to LVDS adapter with 10.1" display Date: Thu, 13 Aug 2026 10:33:31 -0300 Message-ID: <20260813133335.1941580-3-leoreis.costa@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260813133335.1941580-1-leoreis.costa@gmail.com> References: <20260813133335.1941580-1-leoreis.costa@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Leonardo Costa Add a device tree overlay for the Toradex DSI to LVDS Adapter with the Toradex Capacitive Touch Display 10.1" LVDS. The adapter connects to the Verdin DSI_1 interface. It is based on the Texas Instruments SN65DSI84 DSI-to-LVDS bridge and drives a LogicTechno LT170410-2WHC 10.1" WXGA LVDS panel. Touch input is provided by an Atmel MaxTouch capacitive touch controller. Link: https://developer.toradex.com/hardware/accessories/add-ons/dsi-lvds-adapter Link: https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds Signed-off-by: Leonardo Costa --- arch/arm64/boot/dts/freescale/Makefile | 5 + ...in-dsi-to-lvds-panel-cap-touch-10inch.dtso | 94 +++++++++++++++++++ 2 files changed, 99 insertions(+) create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtso diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index d643f85baa7f..c55269a0532a 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -508,6 +508,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw73xx-2x.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw74xx.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw75xx-2x.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw82xx-2x.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtbo dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-dahlia.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-dev.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-ivy.dtb @@ -517,12 +518,16 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-nonwifi-zinnia.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-panel-cap-touch-10inch-lvds.dtbo dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-dahlia.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-dev.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-dev-dsi-to-lvds-panel-cap-touch-10inch.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-ivy.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-mallow.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-mallow-panel-cap-touch-10inch-lvds.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-yavia.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-verdin-wifi-zinnia.dtb +imx8mp-verdin-wifi-dev-dsi-to-lvds-panel-cap-touch-10inch-dtbs := \ + imx8mp-verdin-wifi-dev.dtb \ + imx8mp-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtbo imx8mp-verdin-wifi-mallow-panel-cap-touch-10inch-lvds-dtbs := \ imx8mp-verdin-wifi-mallow.dtb \ imx8mp-verdin-panel-cap-touch-10inch-lvds.dtbo diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtso b/arch/arm64/boot/dts/freescale/imx8mp-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtso new file mode 100644 index 000000000000..da05a0256889 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin-dsi-to-lvds-panel-cap-touch-10inch.dtso @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT +/* + * Copyright (c) Toradex + * + * Toradex DSI to LVDS Adapter on Verdin DSI_1 with Capacitive Touch Display + * 10.1", used on Dahlia (X17) and Development Board (X48) that expose DSI_1 + * via a Samtec LSS-130 connector. + * + * https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds + * https://www.toradex.com/accessories/capacitive-touch-display-10.1-inch-lvds + * https://developer.toradex.com/hardware/accessories/add-ons/dsi-lvds-adapter + * https://www.toradex.com/accessories/verdin-dsi-to-lvds-adapter + */ + +/dts-v1/; +/plugin/; + +#include +#include + +&{/} { + panel-lvds-bridge { + compatible = "logictechno,lt170410-2whc"; + backlight = <&backlight>; + power-supply = <®_dsi_lvds>; + + port { + panel_lvds_bridge_in: endpoint { + remote-endpoint = <&dsi_lvds_bridge_out>; + }; + }; + }; + + reg_dsi_lvds: regulator-dsi-lvds { + compatible = "regulator-fixed"; + /* Verdin CTRL_SLEEP_MOCI# (SODIMM 256) */ + gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-boot-on; + regulator-name = "DSI_1_PWR_EN"; + }; +}; + +&atmel_mxt_ts { + vdd-supply = <®_dsi_lvds>; + + status = "okay"; +}; + +&backlight { + status = "okay"; +}; + +&lcdif1 { + status = "okay"; +}; + +&lvds_ti_sn65dsi84 { + vcc-supply = <®_dsi_lvds>; + + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + dsi_lvds_bridge_in: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&mipi_dsi_out>; + }; + }; + + port@2 { + reg = <2>; + + dsi_lvds_bridge_out: endpoint { + remote-endpoint = <&panel_lvds_bridge_in>; + }; + }; + }; +}; + +&mipi_dsi { + samsung,esc-clock-frequency = <16000000>; + + status = "okay"; +}; + +&mipi_dsi_out { + remote-endpoint = <&dsi_lvds_bridge_in>; +};