Re: [PATCH 2/5] ARM: dts: imx6dl-colibri: Add Toradex Capacitive Touch Display 7" Parallel

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

On Mon, Oct 19, 2026 at 01:18:31PM +0200, Antoine Gouby wrote:
> [You don't often get email from antoine.gouby@gmail.com. Learn why this is important at https://aka.ms/LearnAboutSenderIdentification ]
>
> From: Antoine Gouby <antoine.gouby@toradex.com>
>
> Add a device tree overlay for the Capacitive Touch Display 7" Parallel
> on the Colibri iMX6 parallel RGB LCD interface.
>
> The panel is a LogicTechno LT161010-2NHC 7" WVGA TFT Transmissive LCD
> and the touch input is provided by an Atmel MaxTouch capacitive touch
> controller.
>
> The touch controller is connected to the Toradex 10-way Capacitive Touch
> Interface connector available on Iris v2 and Aster carrier boards.
>
> The touch interrupt and reset signals on SODIMM 107 and SODIMM 106 share
> their pads with the WEIM nEXT_CS1 and nEXT_CS2 chip selects, disable
> WEIM to avoid the pin conflict.
>
> The overlay is also combined with the Colibri iMX6 V1.2 Iris v2 and
> Aster carrier board device trees to provide ready-to-use DTBs.
>
> Link: https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-7inch-parallel/
> Signed-off-by: Antoine Gouby <antoine.gouby@toradex.com>
> ---
>  arch/arm/boot/dts/nxp/imx/Makefile                 | 11 +++++++
>  ...6dl-colibri-panel-cap-touch-7inch-parallel.dtso | 38 ++++++++++++++++++++++

File name include key componets, lt161010

such as

imx6dl-colibri-7inch-lt161010.dtso, like others

	imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso

In case you will add more 7" panel in future, panel is quite easily EOL.

Frank

>  2 files changed, 49 insertions(+)
>
> diff --git a/arch/arm/boot/dts/nxp/imx/Makefile b/arch/arm/boot/dts/nxp/imx/Makefile
> index 76e2ce85a4d3..7897d9dbdfac 100644
> --- a/arch/arm/boot/dts/nxp/imx/Makefile
> +++ b/arch/arm/boot/dts/nxp/imx/Makefile
> @@ -80,6 +80,10 @@ imx6dl-colibri-v1.2-aster-hdmi-dtbs := \
>         imx6dl-colibri-v1.2-aster.dtb \
>         imx6dl-colibri-hdmi.dtbo
>
> +imx6dl-colibri-v1.2-aster-panel-cap-touch-7inch-parallel-dtbs := \
> +       imx6dl-colibri-v1.2-aster.dtb \
> +       imx6dl-colibri-panel-cap-touch-7inch-parallel.dtbo
> +
>  imx6dl-colibri-v1.2-eval-v3-hdmi-dtbs := \
>         imx6dl-colibri-v1.2-eval-v3.dtb \
>         imx6dl-colibri-hdmi.dtbo
> @@ -92,6 +96,10 @@ imx6dl-colibri-v1.2-iris-v2-hdmi-dtbs := \
>         imx6dl-colibri-v1.2-iris-v2.dtb \
>         imx6dl-colibri-hdmi.dtbo
>
> +imx6dl-colibri-v1.2-iris-v2-panel-cap-touch-7inch-parallel-dtbs := \
> +       imx6dl-colibri-v1.2-iris-v2.dtb \
> +       imx6dl-colibri-panel-cap-touch-7inch-parallel.dtbo
> +
>  imx6qdl-dhcom-pdk2-overlay-497-200-x12-dtbs := \
>         imx6q-dhcom-pdk2.dtb \
>         imx6qdl-dhcom-pdk2-overlay-497-200-x12.dtbo
> @@ -132,14 +140,17 @@ dtb-$(CONFIG_SOC_IMX6Q) += \
>         imx6dl-colibri-iris-hdmi.dtb \
>         imx6dl-colibri-iris-v2.dtb \
>         imx6dl-colibri-iris-v2-hdmi.dtb \
> +       imx6dl-colibri-panel-cap-touch-7inch-parallel.dtbo \
>         imx6dl-colibri-v1.2-aster.dtb \
>         imx6dl-colibri-v1.2-aster-hdmi.dtb \
> +       imx6dl-colibri-v1.2-aster-panel-cap-touch-7inch-parallel.dtb \
>         imx6dl-colibri-v1.2-eval-v3.dtb \
>         imx6dl-colibri-v1.2-eval-v3-hdmi.dtb \
>         imx6dl-colibri-v1.2-iris.dtb \
>         imx6dl-colibri-v1.2-iris-hdmi.dtb \
>         imx6dl-colibri-v1.2-iris-v2.dtb \
>         imx6dl-colibri-v1.2-iris-v2-hdmi.dtb \
> +       imx6dl-colibri-v1.2-iris-v2-panel-cap-touch-7inch-parallel.dtb \
>         imx6dl-cubox-i.dtb \
>         imx6dl-cubox-i-emmc-som-v15.dtb \
>         imx6dl-cubox-i-som-v15.dtb \
> diff --git a/arch/arm/boot/dts/nxp/imx/imx6dl-colibri-panel-cap-touch-7inch-parallel.dtso b/arch/arm/boot/dts/nxp/imx/imx6dl-colibri-panel-cap-touch-7inch-parallel.dtso
> new file mode 100644
> index 000000000000..13b4888e07db
> --- /dev/null
> +++ b/arch/arm/boot/dts/nxp/imx/imx6dl-colibri-panel-cap-touch-7inch-parallel.dtso
> @@ -0,0 +1,38 @@
> +// SPDX-License-Identifier: GPL-2.0-only OR MIT
> +/*
> + * Copyright (c) Toradex
> + *
> + * Toradex Capacitive Touch Display 7" Parallel connected through the 40-way
> + * Unified Interface Display and 10-way Capacitive Touch Interface connectors
> + * (as featured on Iris v2 and Aster v1.1 carrier boards).
> + *
> + * https://developer.toradex.com/hardware/accessories/displays/capacitive-touch-display-7inch-parallel/
> + * https://docs.toradex.com/104497-7-inch-parallel-capacitive-touch-display-800x480-datasheet.pdf
> + * https://www.toradex.com/accessories/capacitive-touch-display-7-inch-parallel
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +&atmel_mxt_ts {
> +       status = "okay";
> +};
> +
> +&backlight {
> +       status = "okay";
> +};
> +
> +&lcd_display {
> +       status = "okay";
> +};
> +
> +&panel_dpi {
> +       compatible = "logictechno,lt161010-2nhc";
> +       power-supply = <&reg_module_3v3>;
> +
> +       status = "okay";
> +};
> +
> +&weim {
> +       status = "disabled";
> +};
>
> --
> 2.55.0
>
>