openloongarch-uboot-2022.04/arch/loongarch/dts/ls2k300_mini_dp.dts

#include "ls2k300_g2k03z0_core_v10.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/power-domain/ls2k500-power-domain.h>

/ {
	model = "loongson-2k300";


	sysinfo-smbios {
		compatible = "u-boot,sysinfo-smbios";
		u-boot,dm-pre-reloc;

		smbios {
			system {
				manufacturer = "Loongson";
				product = "LS2K300";
			};

			baseboard {
				manufacturer = "Loongson";
				product = "LS2K300-MINI-DP";
			};

			chassis {
				manufacturer = "Loongson";
				product = "LS2K300-MINI-DP";
			};
		};
	};

	panel_rgb: panel-rgb {
		compatible = "simple-panel";
		backlight = <&panel_bkl>;

		display-timings {
#if 0	// 4.3' LCD
			native-mode = <&atk_md0430r>;

			atk_md0430r: 800x480 {
				clock-frequency = <27000000>;
				hactive = <800>;
				vactive = <480>;
				hsync-len = <40>;
				hfront-porch = <48>;
				hback-porch = <40>;
				vfront-porch = <13>;
				vback-porch = <32>;
				vsync-len = <0>;
				de-active = <1>;
				hsync-active = <0>;
				vsync-active = <0>;
				pixelclk-active = <0>;
			};
#else	// 7' LCD
			native-mode = <&atk_md0700r>;

			atk_md0700r: 1024x600 {
				clock-frequency = <51200000>;
				hactive = <1024>;
				vactive = <600>;
				hsync-len = <20>;
				hfront-porch = <160>;
				hback-porch = <140>;
				vfront-porch = <12>;
				vback-porch = <20>;
				vsync-len = <3>;
				de-active = <1>;
				hsync-active = <0>;
				vsync-active = <0>;
				pixelclk-active = <0>;
			};
#endif
		};
	};

	panel_bkl: backlight {
		compatible = "gpio-backlight";
		gpios = <&gpio0 84 GPIO_ACTIVE_HIGH>;
		// default-on;
	};
};


&gmac0 {
	status = "okay";
	phy-mode = "rgmii-txid";
	// max-speed = <100>;
	phy-handle = <&eth_phy0>;
	mdio0: mdio@0 {
		#address-cells = <1>;
		#size-cells = <0>;
		compatible = "snps,dwmac-mdio";

		eth_phy0: ethernet-phy@0 {
			reg = <0>;
		};
	};
};

&dvo0 {
	status = "okay";
	connector-type = "panel";	// panel, vga, hdmi
	connector = <&panel_rgb>;
	pix-fmt = "rgb888";
};

&sdio1 {
	status = "okay";
	use-sdcard;
};

&otg {
	status = "okay";
};