[PATCH v3 3/3] arm64: dts: imx93-11x11-evk: Add DY1212W-4856 LVDS panel

[Marco Felsch]

On 26-06-10, Liu Ying wrote:
> DY1212W-4856 [1] is a 12.1" (WXGA) TFT LCD panel with LVDS interface.
> The panel's 40-pin connector allows it to be directly connected to
> i.MX93 11x11 EVK board.
> 
> Link: https://www.nxp.com/design/design-center/development-boards-and-designs/dy1212w-4856-tft-lcd-panel-with-lvds-interface:DY1212W-4856 [1]
> Signed-off-by: Liu Ying <victor.liu at nxp.com>
> ---
>  arch/arm64/boot/dts/freescale/Makefile             |  4 ++
>  .../freescale/imx93-11x11-evk-dy1212w-4856.dtso    | 81 ++++++++++++++++++++++
>  2 files changed, 85 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
> index 8ddaab127ab9..dbe27d757c86 100644
> --- a/arch/arm64/boot/dts/freescale/Makefile
> +++ b/arch/arm64/boot/dts/freescale/Makefile
> @@ -588,6 +588,10 @@ dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-ontat-kd50g21-40nt-a1.dtb
>  dtb-$(CONFIG_ARCH_MXC) += imx93-9x9-qsb-tianma-tm050rdh03.dtb
>  
>  dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb
> +
> +imx93-11x11-evk-dy1212w-4856-dtbs += imx93-11x11-evk.dtb imx93-11x11-evk-dy1212w-4856.dtbo
> +dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk-dy1212w-4856.dtb
> +
>  dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-frdm.dtb
>  
>  imx93-11x11-frdm-pixpaper-dtbs += imx93-11x11-frdm.dtb imx93-11x11-frdm-pixpaper.dtbo
> diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk-dy1212w-4856.dtso b/arch/arm64/boot/dts/freescale/imx93-11x11-evk-dy1212w-4856.dtso
> new file mode 100644
> index 000000000000..35f7c5699e3a
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk-dy1212w-4856.dtso
> @@ -0,0 +1,81 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright 2026 NXP
> + */
> +
> +/dts-v1/;
> +/plugin/;
> +
> +#include <dt-bindings/clock/imx93-clock.h>
> +
> +&{/} {
> +	panel-lvds {
> +		compatible = "boe,ev121wxm-n10-1850";
> +		backlight = <&backlight_lvds>;
> +		power-supply = <&buck4>;
> +
> +		panel-timing {
> +			/*
> +			 * Set clock frequency to 71142858Hz to accommodate
> +			 * IMX93_CLK_VIDEO_PLL rate at 498000000Hz in a rate
> +			 * table.
> +			 */
> +			clock-frequency = <71142858>;
> +			hactive = <1280>;
> +			vactive = <800>;
> +			hfront-porch = <48>;
> +			hback-porch = <80>;
> +			hsync-len = <32>;
> +			vfront-porch = <3>;
> +			vback-porch = <14>;
> +			vsync-len = <6>;
> +		};
> +
> +		port {
> +			panel_lvds_in: endpoint {
> +				remote-endpoint = <&ldb_lvds_ch0>;
> +			};
> +		};
> +	};
> +};
> +
> +&backlight_lvds {
> +	status = "okay";
> +};
> +
> +&lcdif {
> +	status = "okay";
> +};
> +
> +&lvds_bridge {
> +	status = "okay";
> +
> +	ports {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +
> +		port at 1 {
> +			reg = <1>;
> +
> +			ldb_lvds_ch0: endpoint {
> +				remote-endpoint = <&panel_lvds_in>;
> +			};
> +		};
> +	};

You could just make use of the ldb_lvds_ch0 phandle you added previously
and drop the complete override.

Regards,
  Marco

> +};
> +
> +&media_blk_ctrl {
> +	assigned-clocks = <&clk IMX93_CLK_MEDIA_AXI>,
> +			  <&clk IMX93_CLK_MEDIA_APB>,
> +			  <&clk IMX93_CLK_MEDIA_DISP_PIX>,
> +			  <&clk IMX93_CLK_VIDEO_PLL>;
> +	assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1>,
> +				 <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
> +				 <&clk IMX93_CLK_VIDEO_PLL>;
> +	/*
> +	 * Set IMX93_CLK_MEDIA_DISP_PIX rate to 71142858Hz to accommodate
> +	 * IMX93_CLK_VIDEO_PLL rate at 498000000Hz in a rate table.
> +	 */
> +	assigned-clock-rates = <400000000>, <133333333>, <71142858>, <498000000>;
> +	status = "okay";
> +};
> 
> -- 
> 2.43.0
> 
> 

-- 
#gernperDu 
#CallMeByMyFirstName

Pengutronix e.K.                           |                             |
Steuerwalder Str. 21                       | https://www.pengutronix.de/ |
31137 Hildesheim, Germany                  | Phone: +49-5121-206917-0    |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-9    |