xref: /freebsd/sys/contrib/device-tree/src/arm64/freescale/imx8mn-bsh-smm-s2-display.dtsi (revision 8d13bc63c0e1d50bc9e47ac1f26329c999bfecf0)

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Copyright 2021 BSH
 */

/ {
	backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm1 0 700000 0>;	/* 700000 ns = 1337Hz */
		brightness-levels = <0 100>;
		num-interpolated-steps = <100>;
		default-brightness-level = <50>;
		status = "okay";
	};

	reg_3v3_dvdd: regulator-3v3-O3 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_dvdd>;
		regulator-name = "3v3-dvdd-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 7 GPIO_ACTIVE_LOW>;
	};

	reg_v3v3_avdd: regulator-3v3-O2 {
		compatible = "regulator-fixed";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_avdd>;
		regulator-name = "3v3-avdd-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		gpio = <&gpio1 5 GPIO_ACTIVE_LOW>;
	};
};

&pwm1 {
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_bl>;
	status = "okay";
};

&lcdif {
	assigned-clocks = <&clk IMX8MN_VIDEO_PLL1>;
	assigned-clock-rates = <594000000>;
	status = "okay";
};

&pgc_dispmix {
	assigned-clocks = <&clk IMX8MN_CLK_DISP_AXI>, <&clk IMX8MN_CLK_DISP_APB>;
	assigned-clock-parents = <&clk IMX8MN_SYS_PLL2_1000M>, <&clk IMX8MN_SYS_PLL1_800M>;
	assigned-clock-rates = <500000000>, <200000000>;
};

&mipi_dsi {
	#address-cells = <1>;
	#size-cells = <0>;
	samsung,esc-clock-frequency = <20000000>;
	samsung,pll-clock-frequency = <12000000>;
	status = "okay";

	panel@0 {
		compatible = "sharp,ls068b3sx02", "syna,r63353";
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_panel>;
		reg = <0>;

		backlight = <&backlight>;
		dvdd-supply = <&reg_3v3_dvdd>;
		avdd-supply = <&reg_v3v3_avdd>;
		reset-gpios = <&gpio4 29 GPIO_ACTIVE_HIGH>;

		port {
			panel_in: endpoint {
				remote-endpoint = <&mipi_dsi_out>;
			};
		};

	};

	ports {
		port@1 {
			reg = <1>;

			mipi_dsi_out: endpoint {
				remote-endpoint = <&panel_in>;
			};
		};
	};
};

&gpu {
	status = "okay";
};

&iomuxc {
	pinctrl_avdd: avddgrp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO05_GPIO1_IO5	0x16	/* VDD 3V3_VO2 */
		>;
	};

	/* This is for both PWM and voltage regulators for display */
	pinctrl_bl: blgrp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO01_PWM1_OUT	0x16
		>;
	};

	pinctrl_dvdd: dvddgrp {
		fsl,pins = <
			MX8MN_IOMUXC_GPIO1_IO07_GPIO1_IO7	0x16	/* VDD 3V3_VO3 */
		>;
	};

	pinctrl_panel: panelgrp {
		fsl,pins = <
			MX8MN_IOMUXC_SAI3_RXC_GPIO4_IO29	0x16	/* panel reset */
		>;
	};
};