Re: [PATCH 3/7] ARM: dts: imx6q-apalis: Add Toradex Capacitive Touch Display 10.1" LVDS

[Frank Li <Frank.li@oss.nxp.com>]

On Thu, Oct 01, 2026 at 12:52:53PM -0300, Leonardo Costa wrote:
> From: Leonardo Costa <leonardo.costa@toradex.com>
>
> Add a device tree overlay for the Toradex Capacitive Touch Display 10.1"
> LVDS connected via the Apalis iMX6 LDB.
>
> The panel is a LogicTechno LT170410-2WHC 10.1" WXGA IPS LCD and the
> touch input is provided by an Atmel MaxTouch capacitive touch
> controller.
>
> Remove the panel-lvds node from the Apalis iMX6 dtsi, as it is an
> external component that does not exist at the SoM level.
>
> The overlay is also combined with the Apalis iMX6 V1.2 Ixora Carrier
> Board V1.2 device tree to provide a ready-to-use DTB.
>
> Link: https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds
> Signed-off-by: Leonardo Costa <leonardo.costa@toradex.com>
> ---
>  arch/arm/boot/dts/nxp/imx/Makefile            |  6 +++
>  ...6q-apalis-panel-cap-touch-10inch-lvds.dtso | 53 +++++++++++++++++++
>  arch/arm/boot/dts/nxp/imx/imx6qdl-apalis.dtsi | 13 -----
>  3 files changed, 59 insertions(+), 13 deletions(-)
>  create mode 100644 arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-cap-touch-10inch-lvds.dtso

similar 7" case, add panel module name in file

imx6q-apalis-lvds-panel-lt170410.dtso

>
> diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile
> index 32d77a59c4358..23fcc80d7f309 100644
> --- a/arch/arm/boot/dts/nxp/imx/Makefile
> +++ b/arch/arm/boot/dts/nxp/imx/Makefile
> @@ -99,6 +99,10 @@ imx6q-apalis-v1.2-ixora-v1.2-hdmi-dtbs := \
>  	imx6q-apalis-v1.2-ixora-v1.2.dtb \
>  	imx6q-apalis-hdmi.dtbo
>
> +imx6q-apalis-v1.2-ixora-v1.2-panel-cap-touch-10inch-lvds-dtbs := \
> +	imx6q-apalis-v1.2-ixora-v1.2.dtb \
> +	imx6q-apalis-panel-cap-touch-10inch-lvds.dtbo
> +
>  imx6qdl-dhcom-pdk2-overlay-497-200-x12-dtbs := \
>  	imx6q-dhcom-pdk2.dtb \
>  	imx6qdl-dhcom-pdk2-overlay-497-200-x12.dtbo
> @@ -233,6 +237,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-apalis-ixora-v1.1-hdmi.dtb \
>  	imx6q-apalis-ixora-v1.2.dtb \
>  	imx6q-apalis-ixora-v1.2-hdmi.dtb \
> +	imx6q-apalis-panel-cap-touch-10inch-lvds.dtbo \
>  	imx6q-apalis-v1.2-eval.dtb \
>  	imx6q-apalis-v1.2-eval-hdmi.dtb \
>  	imx6q-apalis-v1.2-eval-v1.2.dtb \
> @@ -243,6 +248,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-apalis-v1.2-ixora-v1.1-hdmi.dtb \
>  	imx6q-apalis-v1.2-ixora-v1.2.dtb \
>  	imx6q-apalis-v1.2-ixora-v1.2-hdmi.dtb \
> +	imx6q-apalis-v1.2-ixora-v1.2-panel-cap-touch-10inch-lvds.dtb \
>  	imx6q-apf6dev.dtb \
>  	imx6q-arm2.dtb \
>  	imx6q-b450v3.dtb \
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-cap-touch-10inch-lvds.dtso b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-cap-touch-10inch-lvds.dtso
> new file mode 100644
> index 0000000000000..a84114e1d3fba
> --- /dev/null
> +++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-cap-touch-10inch-lvds.dtso
> @@ -0,0 +1,53 @@
> +// SPDX-License-Identifier: GPL-2.0-only OR MIT
> +/*
> + * Copyright (c) Toradex
> + *
> + * Toradex Capacitive Touch Display 10.1" connected via Apalis iMX6 LDB
> + * on carrier boards with a Toradex standard LVDS display connector.
> + *
> + * https://docs.toradex.com/105952-10-1-inch-lvds-capacitive-touch-display-1280x800-datasheet.pdf
> + * https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-101inch-lvds
> + * https://www.toradex.com/accessories/capacitive-touch-display-10.1-inch-lvds
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +&{/} {
> +	panel-lvds {
> +		compatible = "logictechno,lt170410-2whc";
> +		backlight = <&backlight>;
> +		power-supply = <&reg_3v3_sw>;

use name reg_lvds_panel, it help improve reusablity.

Frank

> +
> +		port {
> +			lvds_panel_in: endpoint {
> +				remote-endpoint = <&lvds0_out>;
> +			};
> +		};
> +	};
> +};
> +
> +&atmel_mxt_ts {
> +	status = "okay";
> +};
> +
> +&backlight {
> +	status = "okay";
> +};
> +
> +&ldb {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	status = "okay";
> +
> +	lvds-channel@0 {
> +		reg = <0>;
> +
> +		status = "okay";
> +	};
> +};
> +
> +&lvds0_out {
> +	remote-endpoint = <&lvds_panel_in>;
> +};
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-apalis.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-apalis.dtsi
> index 5fcd7cdb7001f..e52b55a386f7a 100644
> --- a/arch/arm/boot/dts/nxp/imx/imx6qdl-apalis.dtsi
> +++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-apalis.dtsi
> @@ -95,18 +95,6 @@ lcd_panel_in: endpoint {
>  		};
>  	};
>
> -	panel_lvds: panel-lvds {
> -		compatible = "panel-lvds";
> -		backlight = <&backlight>;
> -		status = "disabled";
> -
> -		port {
> -			lvds_panel_in: endpoint {
> -				remote-endpoint = <&lvds0_out>;
> -			};
> -		};
> -	};
> -
>  	poweroff {
>  		compatible = "regulator-poweroff";
>  		cpu-supply = <&vgen2_reg>;
> @@ -738,7 +726,6 @@ port@4 {
>  			reg = <4>;
>
>  			lvds0_out: endpoint {
> -				remote-endpoint = <&lvds_panel_in>;
>  			};
>  		};
>  	};
>