linux-arkmicro/linux/arch/arm/boot/dts/ark1668e_c281.dts

// SPDX-License-Identifier: GPL-2.0
/dts-v1/;
#include "ark1668e.dtsi"
#include "ark1668e-pinctrl.dtsi"

//#define I2S_USE_EXTERNAL_CODEC
//#define DYNAMIC_TRACK_DISPLAY
/ {
	i2c-gpio-0 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "i2c-gpio";
		gpios = <&gportf 25 0		/* SDA */
			&gportf 24 0		/* SCL */
		>;
		i2c-gpio,delay-us = <6>;	/* clk freq = 500/delay KHz */
		i2c-gpio,scl-output-only;

		amp:drv_bd37033@40{
				status = "okay";
				compatible = "arkmicro,drv_bd37033";
				reg = <0x40>;		/* i2c address(7 bit)*/
				flout-gain = <65>;	/*min = 0 ;max = 95*/
				frout-gain = <65>;	/*min = 0 ;max = 95*/
				rlout-gain = <65>;	/*min = 0 ;max = 95*/
				rrout-gain = <65>;	/*min = 0 ;max = 95*/
				#sound-dai-cells = <0>;
		};
	};

	i2c-gpio-1 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "i2c-gpio";
		gpios = <&gportf 29 0		/* SDA */
			&gportf 28 0		/* SCL */
		>;
		i2c-gpio,delay-us = <6>;	/* clk freq = 500/delay KHz */
		i2c-gpio,scl-output-only;

		ark7116: ark7116@B2 {
			compatible = "arkmicro,ark7116_1668e_devb";
			reset-gpio = <&gportf 27 0>;
			reg = <0x59>; /* i2c address(7 bits) */
			default-channel = <0>;
            carback-config = <1>;
			port {
				ark7116_0: endpoint@0{
					remote-endpoint = <&itu_1>;
				};
			};
		};

		rn6752: da380@4e {
            compatible = "arkmicro,ark1668e_rn6752";
            //reset-gpio = <&gpio3 11 0>;
            reg = <0x2c>; /* i2c address(7 bits) */
            default-channel = <0>;  /* 0:channel A; 1:channel B */
            camera-format = <3>;    /* 0:unknown; 1:cvbs pal; 2:cvbs ntsc; 3:720p pal; 4:720p ntsc */
			port {
                rn6752_0: endpoint@0{
                    remote-endpoint = <&itu_0>;
                };
        	};
		};

		mclk: mclk@12K {
			#clock-cells = <0>;
			compatible = "fixed-clock";
			clock-frequency = <12288000>;
		};

		escodec: es8316@10 {
			compatible = "arkmicro,es8316";
			reg = <0x10>;
			clocks = <&mclk>;
			clock-names = "mclk";
			#sound-dai-cells = <0>;
		};
	};

	cs4334_codec: ark1668e_cs4334_codec {
		status = "okay";
		compatible = "arkmicro,ark1668e_cs4334_codec";
		clock-names = "cs4334_mclk";
		clocks = <&mclk>;
		#sound-dai-cells = <0>;
	};

	cs5343_codec: ark1668e_cs5343_codec {
		status = "okay";
		compatible = "arkmicro,ark1668e_cs5343_codec";
		clock-names = "cs5343_mclk";
		clocks = <&mclk>;
		#sound-dai-cells = <0>;
	};



	adc {
        compatible = "arkmicro,ark1668e-adc";
        reg = <0xe4500000 0x1000
            0xe4900000 0x1000>;
		interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>;
    };

};

&lcdc {
	display = <&display0>;
	pinctrl-names = "default";
	/* set pad only to prevent gpio use */
	pinctrl-0 = <&pinctrl_lcd_dlvds>;

	display0: display@0 {
		interface-type = "DLVDS";
		lvds-con = <0x4545>;
		lvds-con2 = <0xfa000101>;
		bits-per-pixel = <32>;
		fb-buffer-nums = <3>;
		power-control-gpio = <&gportd 0 GPIO_ACTIVE_HIGH>;
		lcd-wiring-mode = "RGB";
		lcdcon-backlight;
		pwms = <&pwm0 0 50000>;
		pwm-names = "backlight";
		backlight-value = <30>;
		backlight-delay = <200>;

		display-timings {
			native-mode = <&timing0>;
			timing0: timing0 {
				clock-frequency = <40000000>;
				hactive = <1280>;
				vactive = <480>;
				hback-porch = <20>;
				hfront-porch = <45>;
				vback-porch = <5>;
				vfront-porch = <10>;
				hsync-len = <5>;
				vsync-len = <6>;
				hsync-active = <1>;
				vsync-active = <1>;
				de-active = <0>;
				pixelclk-active = <0>;
			};
		};
	};
};

&usb0_phy {
	compatible = "usb-nop-xceiv";
	#phy-cells = <0>;
	status = "okay";
};

&usb0 {
	status = "okay";
};

&usb1_phy {
	compatible = "usb-nop-xceiv";
	#phy-cells = <0>;
	status = "okay";
};

&usb1 {
	status = "okay";
};
#ifdef DYNAMIC_TRACK_DISPLAY
&uart3 {
    use-in-kernel;
    use-for-mcu;
};
#endif
&ituin {
	status = "okay";
	channel = <1>;             //for no pinctr
	x_pos = <0>;
	y_pos = <0>;
	//width = <800>;          //if this line is commented out, it is displayed in full screen
	height = <720>;

	port {
		itu_0: endpoint@0 {
			is-itu601;
			vsync-active = <1>;
			hsync-active = <1>;
			remote-endpoint = <&rn6752_0>;
            channel = <0>;
		};

		itu_1: endpoint@1 {
			remote-endpoint = <&ark7116_0>;
			channel = <1>;
		};
	};
};





&ethernet {
	status = "okay";
	phy-handle = <&eth_phy0>;
	phy-mode = "rgmii";

	//snps,reset-gpio = <&gportd 15 GPIO_ACTIVE_LOW>;
	//snps,reset-active-low;
	//snps,reset-delays-us = <0 10000 1000000>;

	mdio {
		compatible = "snps,dwmac-mdio";
		#address-cells = <1>;
		#size-cells = <0>;

		eth_phy0: ethernet-phy@0 {
			/* Realtek RTL8211F (0x001cc916) */
			reg = <1>;
		};
	};
};


&i2c0 {
	gt911: touchscreen@5d {
		compatible = "goodix,gt911";
		reg = <0x5d>;
		interrupt-parent = <&gportf>;
		interrupts = <22 IRQ_TYPE_EDGE_FALLING>;
		irq-gpios = <&gportf 22 GPIO_ACTIVE_HIGH>;
		reset-gpios = <&gportf 23 GPIO_ACTIVE_HIGH>;
		//touchscreen-inverted-x;
	};
};
&gpu{
shared-mem-size =<0x18000000>;
};

&can0{
	status = "disabled";
};

&can1{
	status = "disabled";
};