Commit 11741215 authored by Keguang Zhang's avatar Keguang Zhang Committed by Thomas Bogendoerfer
Browse files

MIPS: dts: loongson: Add CQ-T300B board 



Add a device tree for CQ-T300B board.

Signed-off-by: default avatarKeguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent cf4b382a

arch/mips/boot/dts/loongson/Makefile

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@@ -6,6 +6,7 @@ dtb-$(CONFIG_MACH_LOONGSON64) += loongson64c_8core_rs780e.dtb 
dtb-$(CONFIG_MACH_LOONGSON64)	+= loongson64g_4core_ls7a.dtb

dtb-$(CONFIG_MACH_LOONGSON64)	+= loongson64v_4core_virtio.dtb



dtb-$(CONFIG_MACH_LOONGSON32)	+= cq-t300b.dtb

dtb-$(CONFIG_MACH_LOONGSON32)	+= ls1b-demo.dtb

dtb-$(CONFIG_MACH_LOONGSON32)	+= lsgz_1b_dev.dtb

dtb-$(CONFIG_MACH_LOONGSON32)	+= smartloong-1c.dtb

arch/mips/boot/dts/loongson/cq-t300b.dts

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// 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 "loongson1c.dtsi"



/ {

	compatible = "loongson,cq-t300b", "loongson,ls1c";

	model = "CQ-T300B Board";



	memory@0 {

		device_type = "memory";

		reg = <0x0 0x8000000>;

	};



	aliases {

		gpio0 = &gpio0;

		gpio1 = &gpio1;

		gpio2 = &gpio2;

		gpio3 = &gpio3;

		serial0 = &uart2;

	};



	chosen {

		stdout-path = "serial0:115200n8";

	};



	leds {

		compatible = "gpio-leds";



		led0 {

			label = "led0";

			gpios = <&gpio1 20 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "heartbeat";

		};



		led1 {

			label = "led1";

			gpios = <&gpio1 21 GPIO_ACTIVE_LOW>;

			linux,default-trigger = "nand-disk";

		};

	};

};



&xtal {

	clock-frequency = <24000000>;

};



&emac {

	phy-handle = <&phy0>;

	phy-mode = "rmii";

	status = "okay";



	mdio {

		compatible = "snps,dwmac-mdio";

		#address-cells = <1>;

		#size-cells = <0>;



		phy0: ethernet-phy@13 {

			reg = <0x13>;

		};

	};

};



&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 0x3f000000>;

			};

		};

	};

};



&ehci {

	status = "okay";

};



&ohci {

	status = "okay";

};



&rtc {

	status = "okay";

};



&uart2 {

	status = "okay";

};



&watchdog {

	status = "okay";

};