[PATCH v4 4/4] arm64: dts: freescale: Add dual-channel LVDS overlay for TQMa8MPxS

[Frank Li]

On Wed, Jun 03, 2026 at 11:36:09AM +0200, Alexander Stein wrote:
> This adds an overlay for the supported LVDS display AUO G133HAN01.
> Configure the video PLL frequency to exactly match typical pixel clock of
> 141.200 MHz.
>
> Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
> ---

Can you fix W=1 dtb build warnings?

Frank

> Changes in v4:
> * New to series v4
>
>  arch/arm64/boot/dts/freescale/Makefile        |  2 +
>  ...p-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso | 74 +++++++++++++++++++
>  2 files changed, 76 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index dee2bea156740..3f466f102dc1d 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -385,8 +385,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-imx219.dtbo
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-lvds-tm070jvhg33.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mp-ras314-lvds-tm070jvhg33-imx219.dtb
>
> +imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01-dtbs += imx8mp-tqma8mpqs-mb-smarc-2.dtb imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtbo
>  imx8mp-tqma8mpqs-mb-smarc-2-lvds0-tm070jvhg33-dtbs += imx8mp-tqma8mpqs-mb-smarc-2.dtb imx8mp-tqma8mpqs-mb-smarc-2-lvds0-tm070jvhg33.dtbo
>  imx8mp-tqma8mpqs-mb-smarc-2-lvds1-tm070jvhg33-dtbs += imx8mp-tqma8mpqs-mb-smarc-2.dtb imx8mp-tqma8mpqs-mb-smarc-2-lvds1-tm070jvhg33.dtbo
> +dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpqs-mb-smarc-2-lvds0-tm070jvhg33.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpqs-mb-smarc-2-lvds1-tm070jvhg33.dtb
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso
> new file mode 100644
> index 0000000000000..9595cf4d43cd0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-tqma8mpqs-mb-smarc-2-lvds-g133han01.dtso
> @@ -0,0 +1,74 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright (c) 2025-2026 TQ-Systems GmbH <linux at ew.tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Martin Schmiedel
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +&backlight_lvds0 {
> +	status = "okay";
> +};
> +
> +&panel_lvds0 {
> +	compatible = "auo,g133han01";
> +	status = "okay";
> +
> +	ports {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		port at 0 {
> +			reg = <0>;
> +			dual-lvds-odd-pixels;
> +
> +			panel_in_lvds0: endpoint {
> +				remote-endpoint = <&ldb_lvds_ch0>;
> +			};
> +		};
> +
> +		port at 1 {
> +			reg = <1>;
> +			dual-lvds-even-pixels;
> +
> +			panel_in_lvds1: endpoint {
> +				remote-endpoint = <&ldb_lvds_ch1>;
> +			};
> +		};
> +	};
> +};
> +
> +&lcdif2 {
> +	status = "okay";
> +};
> +
> +&lvds_bridge {
> +	status = "okay";
> +
> +	ports {
> +		port at 1 {
> +			ldb_lvds_ch0: endpoint {
> +				remote-endpoint = <&panel_in_lvds0>;
> +			};
> +		};
> +
> +		port at 2 {
> +			ldb_lvds_ch1: endpoint {
> +				remote-endpoint = <&panel_in_lvds1>;
> +			};
> +		};
> +	};
> +};
> +
> +// Update VIDEO_PLL1 frequency
> +&media_blk_ctrl {
> +	assigned-clock-rates = <500000000>, <200000000>,
> +			       <0>, <0>, <500000000>,
> +			       <988400000>;
> +};
> +
> +&pwm3 {
> +	status = "okay";
> +};
> --
> 2.54.0
>