arch/mips/boot/dts/loongson/ls1b-demo.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>
 */

/dts-v1/;

#include <dt-bindings/gpio/gpio.h>

#include "loongson1b.dtsi"

/ {
	compatible = "loongson,ls1b-demo", "loongson,ls1b";
	model = "LS1B-DEMO Board";

	memory@0 {
		device_type = "memory";
		reg = <0x0 0x10000000>;
	};

	aliases {
		ethernet0 = &gmac0;
		ethernet1 = &gmac1;
		gpio0 = &gpio0;
		gpio1 = &gpio1;
		serial0 = &uart0;
	};

	chosen {
		stdout-path = "serial0:38400n8";
	};

	codec: audio-codec {
		compatible = "realtek,alc203";
		#sound-dai-cells = <0>;
	};

	sound {
		compatible = "simple-audio-card";
		simple-audio-card,name = "ls1b-alc203";
		simple-audio-card,format = "ac97";
		simple-audio-card,widgets =
			"Speaker", "Line Out Jack",
			"Headphone", "Headphone Jack",
			"Microphone", "Microphone Jack";
		simple-audio-card,routing =
			"Line Out Jack", "TX",
			"Headphone Jack", "TX",
			"RX", "Microphone Jack";

		simple-audio-card,cpu {
			sound-dai = <&ac97>;
		};

		simple-audio-card,codec {
			sound-dai = <&codec>;
		};
	};
};

&xtal {
	clock-frequency = <33000000>;
};

&gmac0 {
	phy-handle = <&phy0>;
	phy-mode = "rgmii-id";
	status = "okay";

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

		phy0: ethernet-phy@0 {
			reg = <0x0>;
		};
	};
};

&nand {
	status = "okay";

	nand@0 {
		partitions {
			compatible = "fixed-partitions";
			#address-cells = <1>;
			#size-cells = <1>;

			partition@0 {
				label = "kernel";
				reg = <0x0 0x1000000>;
			};

			partition@1000000 {
				label = "rootfs";
				reg = <0x1000000 0x7000000>;
			};
		};
	};
};

&ac97 {
	status = "okay";
};

&ehci {
	status = "okay";
};

&ohci {
	status = "okay";
};

&rtc {
	status = "okay";
};

&uart0 {
	status = "okay";
};

&watchdog {
	status = "okay";
};