163 lines
2.3 KiB
Plaintext
163 lines
2.3 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>
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*/
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/dts-v1/;
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#include <dt-bindings/gpio/gpio.h>
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#include "loongson1b.dtsi"
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/ {
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compatible = "loongson,lsgz-1b-dev", "loongson,ls1b";
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model = "LSGZ_1B_DEV Board";
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memory@0 {
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device_type = "memory";
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reg = <0x0 0x4000000>;
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};
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aliases {
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ethernet0 = &gmac0;
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ethernet1 = &gmac1;
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gpio0 = &gpio0;
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gpio1 = &gpio1;
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serial0 = &uart2;
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serial1 = &uart3;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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leds {
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compatible = "gpio-leds";
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led9 {
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label = "led9";
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gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "heartbeat";
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};
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led6 {
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label = "led6";
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gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
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linux,default-trigger = "nand-disk";
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};
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};
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codec: audio-codec {
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compatible = "realtek,alc203";
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#sound-dai-cells = <0>;
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};
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sound {
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compatible = "simple-audio-card";
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simple-audio-card,name = "ls1b-alc655";
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simple-audio-card,format = "ac97";
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simple-audio-card,widgets =
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"Speaker", "Line Out Jack",
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"Line", "Line In Jack",
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"Microphone", "Microphone Jack";
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simple-audio-card,routing =
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"Line Out Jack", "TX",
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"RX", "Line In Jack",
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"RX", "Microphone Jack";
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simple-audio-card,cpu {
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sound-dai = <&ac97>;
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};
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simple-audio-card,codec {
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sound-dai = <&codec>;
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};
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};
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};
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&xtal {
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clock-frequency = <33000000>;
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};
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&gmac0 {
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phy-handle = <&phy0>;
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phy-mode = "mii";
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status = "okay";
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mdio {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "snps,dwmac-mdio";
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phy0: ethernet-phy@0 {
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reg = <0x0>;
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};
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};
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};
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&gmac1 {
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phy-handle = <&phy1>;
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phy-mode = "mii";
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status = "okay";
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mdio {
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compatible = "snps,dwmac-mdio";
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#address-cells = <1>;
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#size-cells = <0>;
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phy1: ethernet-phy@0 {
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reg = <0x0>;
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};
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};
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};
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&nand {
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status = "okay";
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nand@0 {
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partitions {
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compatible = "fixed-partitions";
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#address-cells = <1>;
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#size-cells = <1>;
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partition@0 {
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label = "kernel";
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reg = <0x0 0x1000000>;
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};
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partition@1000000 {
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label = "rootfs";
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reg = <0x1000000 0x7000000>;
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};
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};
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};
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};
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&ac97 {
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status = "okay";
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};
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&ehci {
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status = "okay";
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};
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&ohci {
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status = "okay";
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};
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&rtc {
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status = "okay";
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};
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&uart2 {
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status = "okay";
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};
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&uart3 {
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status = "okay";
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};
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&watchdog {
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status = "okay";
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};
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