Re: [PATCH 5/7] ARM: dts: imx6q-apalis: Add Toradex Resistive Touch Display 7" Parallel

[Frank Li]

On Thu, Oct 01, 2026 at 12:52:55PM -0300, Leonardo Costa wrote:
> From: Leonardo Costa <leonardo.costa@xxxxxxxxxxx>
>
> Add a device tree overlay for the Resistive Touch Display 7" Parallel
> on the Apalis iMX6 parallel RGB LCD interface.
>
> The panel is a LogicTechno LT161010-2NHR 7" WVGA TFT Transmissive LCD
> with a resistive touch.
>
> 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/resistive-touch-display-7inch-parallel/
> Signed-off-by: Leonardo Costa <leonardo.costa@xxxxxxxxxxx>
> ---
>  arch/arm/boot/dts/nxp/imx/Makefile            |  6 ++++
>  ...apalis-panel-res-touch-7inch-parallel.dtso | 30 +++++++++++++++++++
>  2 files changed, 36 insertions(+)
>  create mode 100644 arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-res-touch-7inch-parallel.dtso
>
> diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile
> index 5f35771cc3626..cd1b095ce06f4 100644
> --- a/arch/arm/boot/dts/nxp/imx/Makefile
> +++ b/arch/arm/boot/dts/nxp/imx/Makefile
> @@ -107,6 +107,10 @@ imx6q-apalis-v1.2-ixora-v1.2-panel-cap-touch-7inch-parallel-dtbs := \
>  	imx6q-apalis-v1.2-ixora-v1.2.dtb \
>  	imx6q-apalis-panel-cap-touch-7inch-parallel.dtbo
>
> +imx6q-apalis-v1.2-ixora-v1.2-panel-res-touch-7inch-parallel-dtbs := \
> +	imx6q-apalis-v1.2-ixora-v1.2.dtb \
> +	imx6q-apalis-panel-res-touch-7inch-parallel.dtbo
> +
>  imx6qdl-dhcom-pdk2-overlay-497-200-x12-dtbs := \
>  	imx6q-dhcom-pdk2.dtb \
>  	imx6qdl-dhcom-pdk2-overlay-497-200-x12.dtbo
> @@ -243,6 +247,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-apalis-ixora-v1.2-hdmi.dtb \
>  	imx6q-apalis-panel-cap-touch-10inch-lvds.dtbo \
>  	imx6q-apalis-panel-cap-touch-7inch-parallel.dtbo \
> +	imx6q-apalis-panel-res-touch-7inch-parallel.dtbo \
>  	imx6q-apalis-v1.2-eval.dtb \
>  	imx6q-apalis-v1.2-eval-hdmi.dtb \
>  	imx6q-apalis-v1.2-eval-v1.2.dtb \
> @@ -255,6 +260,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>  	imx6q-apalis-v1.2-ixora-v1.2-hdmi.dtb \
>  	imx6q-apalis-v1.2-ixora-v1.2-panel-cap-touch-10inch-lvds.dtb \
>  	imx6q-apalis-v1.2-ixora-v1.2-panel-cap-touch-7inch-parallel.dtb \
> +	imx6q-apalis-v1.2-ixora-v1.2-panel-res-touch-7inch-parallel.dtb \
>  	imx6q-apf6dev.dtb \
>  	imx6q-arm2.dtb \
>  	imx6q-b450v3.dtb \
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-res-touch-7inch-parallel.dtso b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-res-touch-7inch-parallel.dtso
> new file mode 100644
> index 0000000000000..be2164dcd0369
> --- /dev/null
> +++ b/arch/arm/boot/dts/nxp/imx/imx6q-apalis-panel-res-touch-7inch-parallel.dtso

imx6q-apalis-panel-lt161010.dtso, in case other 7inch panel added. it may
be end of life in future.

or imx6q-apalis-parallel-panel-lt161010

> @@ -0,0 +1,30 @@
> +// SPDX-License-Identifier: GPL-2.0-only OR MIT
> +/*
> + * Copyright (c) Toradex
> + *
> + * Toradex Resistive Touch Display 7" Parallel connected through the 40-way
> + * Unified Interface Display connector (as featured on Ixora carrier board and
> + * Apalis Evaluation Board). Touchscreen is available only on Apalis iMX6 v1.2.
> + *
> + * https://docs.toradex.com/104498-7-inch-parallel-resistive-touch-display-800x480.pdf
> + * https://developer.toradex.com/hardware/accessories/displays/resistive-touch-display-7inch-parallel/
> + * https://www.toradex.com/accessories/resistive-touch-display
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +&backlight {
> +	status = "okay";
> +};
> +
> +&lcd_display {
> +	status = "okay";
> +};
> +
> +&panel_dpi {
> +	compatible = "logictechno,lt161010-2nhr";
> +	power-supply = <&reg_3v3_sw>;

You'd better use additional unified name reg_lcd_panel

in main board dts,
reg_lcd_panel: reg_3v3_sw: regulator... {
}

So this dtso may be easy shared in future.

Frank
> +
> +	status = "okay";
> +};
>