linux-kernel - Re: [PATCH v3 5/6] arm64: dts: tqma9352-mba93xxla: Add LVDS overlay

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Message-ID: <Z8cmXP22SXtXjNw3@lizhi-Precision-Tower-5810>
Date: Tue, 4 Mar 2025 11:12:12 -0500
From: Frank Li <Frank.li@....com>
To: Alexander Stein <alexander.stein@...tq-group.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, Abel Vesa <abelvesa@...nel.org>,
	Peng Fan <peng.fan@....com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux@...tq-group.com,
	linux-clk@...r.kernel.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH v3 5/6] arm64: dts: tqma9352-mba93xxla: Add LVDS overlay

On Tue, Mar 04, 2025 at 04:49:24PM +0100, Alexander Stein wrote:
> This adds the overlay for the Tianma TM070JVHG33 LVDS display.
>
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>

Reviewed-by: Frank Li <Frank.Li@....com>

> ---
>  arch/arm64/boot/dts/freescale/Makefile        |  3 ++
>  ...3-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso | 40 +++++++++++++++++++
>  .../freescale/imx93-tqma9352-mba93xxla.dts    | 27 +++++++++++++
>  3 files changed, 70 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso
>
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index be6ef4c56fbf4..ac4f14c69cdd8 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -300,6 +300,9 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-var-som-symphony.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx95-19x19-evk.dtb
>
> +imx93-tqma9352-mba93xxla-lvds-tm070jvhg33-dtbs += imx93-tqma9352-mba93xxla.dtb imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtbo
> +dtb-$(CONFIG_ARCH_MXC) += imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtb
> +
>  imx8mm-kontron-dl-dtbs			:= imx8mm-kontron-bl.dtb imx8mm-kontron-dl.dtbo
>
>  dtb-$(CONFIG_ARCH_MXC) += imx8mm-kontron-dl.dtb
> diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso
> new file mode 100644
> index 0000000000000..c723a19f03d63
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla-lvds-tm070jvhg33.dtso
> @@ -0,0 +1,40 @@
> +// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
> +/*
> + * Copyright (c) 2023 TQ-Systems GmbH <linux@...tq-group.com>,
> + * D-82229 Seefeld, Germany.
> + * Author: Alexander Stein
> + */
> +
> +#include <dt-bindings/clock/imx93-clock.h>
> +#include <dt-bindings/gpio/gpio.h>
> +
> +/dts-v1/;
> +/plugin/;
> +
> +&backlight_lvds {
> +	status = "okay";
> +};
> +
> +&display {
> +	compatible = "tianma,tm070jvhg33";
> +	status = "okay";
> +};
> +
> +&lcdif {
> +	assigned-clocks = <&clk IMX93_CLK_VIDEO_PLL>,
> +			  <&clk IMX93_CLK_MEDIA_DISP_PIX>;
> +	assigned-clock-rates = <477400000>;
> +	status = "okay";
> +};
> +
> +&lvds_bridge {
> +	status = "okay";
> +};
> +
> +&media_blk_ctrl {
> +	status = "okay";
> +};
> +
> +&tpm5 {
> +	status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
> index 9e88c42c3d170..4618f836345fc 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-tqma9352-mba93xxla.dts
> @@ -48,6 +48,23 @@ clk_dp: clk-dp {
>  		clock-frequency = <26000000>;
>  	};
>
> +	display: display {
> +		/*
> +		 * Display is not fixed, so compatible has to be added from
> +		 * DT overlay
> +		 */
> +		power-supply = <&reg_3v3>;
> +		enable-gpios = <&expander2 1 GPIO_ACTIVE_HIGH>;
> +		backlight = <&backlight_lvds>;
> +		status = "disabled";
> +
> +		port {
> +			panel_in_lvds0: endpoint {
> +				remote-endpoint = <&ldb_lvds>;
> +			};
> +		};
> +	};
> +
>  	gpio-keys {
>  		compatible = "gpio-keys";
>  		autorepeat;
> @@ -509,6 +526,16 @@ &lpuart8 {
>  	status = "okay";
>  };
>
> +&lvds_bridge {
> +	ports {
> +		port@1 {
> +			ldb_lvds: endpoint {
> +				remote-endpoint = <&panel_in_lvds0>;
> +			};
> +		};
> +	};
> +};
> +
>  &pcf85063 {
>  	/* RTC_EVENT# from SoM is connected on mainboard */
>  	pinctrl-names = "default";
> --
> 2.43.0
>