linux-kernel - Re: [PATCH v4 8/9] arm64: dts: freescale: Add the BOE av123z7m-n17 variant of the Moduline Displayy

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Message-ID: <Z+2R2r5ba6f5pLfn@lizhi-Precision-Tower-5810>
Date: Wed, 2 Apr 2025 15:36:58 -0400
From: Frank Li <Frank.li@....com>
To: maudspierings@...ontroll.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>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 8/9] arm64: dts: freescale: Add the BOE av123z7m-n17
 variant of the Moduline Displayy

On Wed, Apr 02, 2025 at 09:07:11AM +0200, Maud Spierings via B4 Relay wrote:
> From: Maud Spierings <maudspierings@...ontroll.com>
>
> Add the BOE av123z7m-n17 variant of the Moduline Display, this variant
> comes with a 12.3" 1920x720 display.
>
> Signed-off-by: Maud Spierings <maudspierings@...ontroll.com>
>
> ---
> Currently the backlight driver is not available, this will be upstreamed
> in a future patch series. It is a Maxim max25014atg.
> ---

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

>  ...x8p-ml81-moduline-display-106-av123z7m-n17.dtso | 139 +++++++++++++++++++++
>  1 file changed, 139 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso
> new file mode 100644
> index 0000000000000000000000000000000000000000..dc0f86ca55fb6c21f10fbd333374a89002bb71c0
> --- /dev/null
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso
> @@ -0,0 +1,139 @@
> +// SPDX-License-Identifier: (GPL-2.0 OR MIT)
> +/*
> + * Copyright 2025 GOcontroll B.V.
> + * Author: Maud Spierings <maudspierings@...ontroll.com>
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +
> +#include "imx8mp-pinfunc.h"
> +
> +/dts-v1/;
> +/plugin/;
> +
> +/ {
> +	model = "GOcontroll Moduline Display with BOE av123z7m-n17 display";
> +
> +	panel {
> +		compatible = "boe,av123z7m-n17";
> +		enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&pinctrl_panel>;
> +		pinctrl-names = "default";
> +		power-supply = <&reg_3v3_per>;
> +		reset-gpios = <&gpio1 9 GPIO_ACTIVE_LOW>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +				dual-lvds-odd-pixels;
> +
> +				panel_in0: endpoint {
> +					remote-endpoint = <&lvds1_out>;
> +				};
> +			};
> +
> +			port@1 {
> +				reg = <1>;
> +				dual-lvds-even-pixels;
> +
> +				panel_in1: endpoint {
> +					remote-endpoint = <&lvds0_out>;
> +				};
> +			};
> +		};
> +	};
> +};
> +
> +&i2c4 {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +
> +	/* sn65dsi85 */
> +	bridge@2d {
> +		compatible = "ti,sn65dsi84";
> +		reg = <0x2d>;
> +		enable-gpios = <&gpio4 14 GPIO_ACTIVE_HIGH>;
> +		pinctrl-0 = <&pinctrl_lvds_bridge>;
> +		pinctrl-names = "default";
> +		vcc-supply = <&reg_1v8_per>;
> +
> +		ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +
> +			port@0 {
> +				reg = <0>;
> +
> +				dsi_lvds_bridge_in: endpoint {
> +					data-lanes = <1 2 3 4>;
> +					remote-endpoint = <&mipi_dsi_out>;
> +				};
> +			};
> +
> +			port@2 {
> +				reg = <2>;
> +
> +				lvds0_out: endpoint {
> +					remote-endpoint = <&panel_in1>;
> +				};
> +			};
> +
> +			port@3 {
> +				reg = <3>;
> +
> +				lvds1_out: endpoint {
> +					remote-endpoint = <&panel_in0>;
> +				};
> +			};
> +		};
> +	};
> +
> +	/* max25014 @ 0x6f */
> +};
> +
> +&iomuxc {
> +	pinctrl_lvds_bridge: lvdsbridgegrp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_SAI1_TXD2__GPIO4_IO14
> +			MX8MP_DSE_X1
> +		>;
> +	};
> +
> +	pinctrl_panel: panelgrp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_GPIO1_IO07__GPIO1_IO07
> +			MX8MP_DSE_X1
> +			MX8MP_IOMUXC_GPIO1_IO09__GPIO1_IO09
> +			MX8MP_DSE_X1
> +		>;
> +	};
> +};
> +
> +&lcdif1 {
> +	status = "okay";
> +};
> +
> +&mipi_dsi {
> +	/*
> +	 * burst has to be at least 2x dsi clock that the sn65dsi85 expects
> +	 * display pixelclock * bpp / lanes / 2 = dsi clock
> +	 * 88.000.000 * 24 / 4 / 2 = 264.000.000
> +	 * range gets rounded up to 265.000.000 - 270.000.000
> +	 * 267.500.000 * 2 = 535.000.000
> +	 */
> +	samsung,burst-clock-frequency = <535000000>;
> +	samsung,esc-clock-frequency = <12000000>;
> +	status = "okay";
> +
> +	ports {
> +		port@1 {
> +			mipi_dsi_out: endpoint {
> +				data-lanes = <1 2 3 4>;
> +				remote-endpoint = < &dsi_lvds_bridge_in>;
> +			};
> +		};
> +	};
> +};
>
> --
> 2.49.0
>
>