openloongarch-linux-6.12/arch/loongarch/boot/dts/ls2k300_tewei.dts

#include "ls2k300_g2k03z0_core_v10.dtsi"
#include "loongson_panel_param.dtsi"
#include <dt-bindings/input/linux-event-codes.h>
#include <dt-bindings/pwm/pwm.h>

/ {
	model = "LS2K300-TEWEI";

	leds {
		compatible = "gpio-leds";

		run_led {
			label = "run_led";
			gpios = <&gpio 85 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
			default-state = "on";
		};

		err_led {
			label = "err_led";
			gpios = <&gpio 82 GPIO_ACTIVE_LOW>;
			default-state = "off";
		};
	};

	lcd_backlight: backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm0 0 5000000 PWM_POLARITY_INVERTED>;
		brightness-levels = <0 4 8 16 32 64 128 255>;
		default-brightness-level = <7>;
	};

	panel: dvo-connector@0 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "panel-lvds", "auo,b101ean01";
		backlight = <&lcd_backlight>;

		width-mm = <261>;
		height-mm = <163>;
		label = "TM121JDGP30-1280x800";
		data-mapping = "jeida-24";

		panel-timing {
			clock-frequency = <72200000>;
			hactive = <1280>;
			vactive = <800>;
			hsync-len = <4>;
			hfront-porch = <72>;
			hback-porch = <84>;
			vfront-porch = <15>;
			vback-porch = <23>;
			vsync-len = <4>;
			de-active = <1>;
			hsync-active = <0>;
			vsync-active = <0>;
			pixelclk-active = <0>;
		};

		port@0 {
			reg = <0>;

			#address-cells = <1>;
			#size-cells = <0>;

			dvo_connector_in: endpoint@0 {
				reg = <0>;
				remote-endpoint = <&dc_out_rgb0>;
			};
		};
	};

	vccio_codec: 3_3V{
		compatible = "regulator-fixed";
		regulator-name = "VCC_IO";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	// 虽然这个时钟在从模式下没用，但 es8388 驱动必须指定这个时钟
	es8388_clk: es8388-clock {
		compatible = "fixed-clock";
		clock-frequency = <12288000>;
		#clock-cells = <1>;
	};
};

&dc {
	status = "ok"

	ports {
		#address-cells = <1>;
		#size-cells = <0>;

		port@0 {
			reg = <0>;
			dc_out_rgb0: endpoint {
				remote-endpoint = <&dvo_connector_in>;
			};
		};
	};
};

&i2c0 {
	status = "ok"

	lm75bdp@48 {
		compatible = "national,lm75b";
		reg = <0x48>;
	};

	eeprom@50 {
		compatible = "atmel,24c64";
		reg = <0x50>;
		pagesize = <32>;
	};
};

&i2c1 {
	status = "ok"

	codec: es8388@11{
		compatible = "everest,es8388";
		reg = <0x11>;
		AVDD-supply = <&vccio_codec>;
		DVDD-supply = <&vccio_codec>;
		HPVDD-supply = <&vccio_codec>;
		PVDD-supply = <&vccio_codec>;
		clocks = <&es8388_clk 0>;
	};
};

&i2c2 {
	status = "ok"

	pcf8574@20 {
		compatible = "nxp,pcf8574";
		reg = <0x20>;
		// 2K300 GPIO 支持中断控制
		// GPIO 中断号为 vhwirq-base + pinnum (216 = 128 + 88)
		interrupt-parent = <&gpio>;
		interrupts = <216 0>;
		gpio-controller;
		#gpio-cells = <2>;
		interrupt-controller;
		#interrupt-cells = <2>;
	};
};

&i2c3 {
	status = "ok"
};

&uart1 {
	status = "ok"
};

&uart2 {
	status = "ok"
};

&uart3 {
	status = "ok"
};

&can2 {
	status = "ok"
};

&spi1 {
	status = "ok"

	spi_wk2xxx0: spi_wk2xxx@0 {
		status = "okay";
		compatible = "wkmic,wk2124_spi";
		reg = <0x0>;
		spi-max-frequency = <10000000>;
		reset-gpio = <&gpio 83 GPIO_ACTIVE_HIGH>;
		irq-gpio = <&gpio 84 IRQ_TYPE_EDGE_FALLING>;
		use-common-reset-gpio;
	};
};

&spi2 {
	status = "ok"

	spi_wk2xxx1: spi_wk2xxx@0 {
		status = "okay";
		compatible = "wkmic,wk2124_spi";
		reg = <0x0>;
		spi-max-frequency = <10000000>;
		reset-gpio = <&gpio 83 GPIO_ACTIVE_HIGH>;
		irq-gpio = <&gpio 69 IRQ_TYPE_EDGE_FALLING>;
		use-common-reset-gpio;
	};
};

&rtc0 {
	status = "okay";
};

&sdio1 {
	pinctrl-0 = <&sdio1_pins>;
	pinctrl-names = "default";
	cap-sd-highspeed;
	cap-mmc-highspeed;
	bus-width = <4>;
	cd-gpios = <&gpio 81 GPIO_ACTIVE_LOW>;
	status = "okay";
};

&pwm0 {
	status = "okay";
	#pwm-cells = <3>;
};

&i2s {
	status = "okay";
	//slave-mode;
	//mclk-fixed = <12288000>;
};

&audio {
	status = "okay";
};

&sound {
	status = "okay";
	loongson,audio-codec = <&codec>;
	// Easy Compatible for asound.state Configure
	loongson,sound-card-name = "ES8388";
};