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path: root/overlays/verdin-imx8mm_sn65dsi84_overlay.dts
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// Verdin DSI to LVDS Adapter orderable at Toradex.

/dts-v1/;
/plugin/;

#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include "dt-bindings/pwm/pwm.h"

/ {
	compatible = "toradex,verdin-imx8mm";
};

&{/} {
	backlight {
		compatible = "pwm-backlight";
		brightness-levels = <0 45 63 88 119 158 203 255>;
		default-brightness-level = <4>;
		enable-gpios = <&gpio3 3 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_dsi_bkl_en>;
		power-supply = <&reg_3p3v>;
		pwms = <&pwm1 0 6666667 PWM_POLARITY_INVERTED>;
	};
};

&{/soc@0/bus@32c00000/display-subsystem} {
	status = "okay";
};

/* Verdin PWM_3_DSI */
&pwm1 {
	#pwm-cells = <3>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_pwm_1>;
	status = "okay";
};

/* Verdin I2C_2_DSI */
&i2c2 {
	clock-frequency = <10000>;
	pinctrl-names = "default";
	pinctrl-0 = <&pinctrl_i2c2>;
	status = "okay";
};

/* Verdin I2C_1 */
&i2c4 {
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	bridge@2c {
		compatible = "ti,sn65dsi83";
		enable-gpios = <&gpio3 4 GPIO_ACTIVE_HIGH>;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio1>;
		reg = <0x2c>;
		ti,dsi-lanes = <4>;
		ti,height-mm = <136>;
		ti,lvds-bpp = <24>;
		ti,lvds-format = <2>;
		ti,width-mm = <217>;

		display-timings {
			native-mode = <&lvds_timing0>;

			lvds_timing0: lt170410_2whc {
				/*
				 * Take the minimum pixelclock as 71.1 MHz is
				 * not working on NXP i.MX8M Mini
				 */
				clock-frequency = <68900000>;
				hactive = <1280 1280 1280>;
				hfront-porch = <23 60 71>;
				hback-porch = <23 60 71>;
				hsync-len = <15 40 47>;
				vactive = <800 800 800>;
				vfront-porch = <5 7 10>;
				vback-porch = <5 7 10>;
				vsync-len = <6 9 12>;
				de-active = <1>;
				pixelclk-active = <0>;
			};
		};

		port {
			dsi85_in: endpoint {
				remote-endpoint = <&mipi_dsi_bridge1_out>;
			};
		};
	};

	touch@4a {
		compatible = "atmel,maxtouch";
		interrupt-parent = <&gpio3>;
		interrupts = <15 IRQ_TYPE_EDGE_FALLING>; /* SODIMM 17 */
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_gpio_hpd>, <&pinctrl_gpio2>;
		reg = <0x4a>;
		reset-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>; /* SODIMM 208 */
	};
};

&lcdif {
	status = "okay";
};

&mipi_dsi {
	#address-cells = <1>;
	#size-cells = <0>;
	status = "okay";

	port@1 {
		reg = <1>;

		mipi_dsi_bridge1_out: endpoint {
			remote-endpoint = <&dsi85_in>;
			attach-bridge;
		};
	};
};

&gpu {
	status = "okay";
};