Commit cf4b382a authored by Keguang Zhang's avatar Keguang Zhang Committed by Thomas Bogendoerfer
Browse files

MIPS: dts: loongson: Add Smartloong-1C board 



Add a device tree for Smartloong-1C board, supporting CPU, clock, INTC,
UART, Ethernet, GPIO, USB host, RTC, watchdog, DMA, and NAND.

Signed-off-by: default avatarKeguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
parent 9c607077

arch/mips/boot/dts/loongson/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -8,3 +8,4 @@ dtb-$(CONFIG_MACH_LOONGSON64) += loongson64v_4core_virtio.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/loongson1c.dtsi

0 → 100644
+141 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 * Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>

 */



/dts-v1/;

#include "loongson1.dtsi"



/ {

	clkc: clock-controller@1fe78030 {

		compatible = "loongson,ls1c-clk";

		reg = <0x1fe78030 0x8>;

		clocks = <&xtal>;

		#clock-cells = <1>;

	};

};



&soc {

	syscon: syscon@420 {

		compatible = "loongson,ls1c-syscon", "syscon";

		reg = <0x420 0x8>;

	};



	intc4: interrupt-controller@10a0 {

		compatible = "loongson,ls1x-intc";

		reg = <0x10a0 0x18>;

		interrupt-controller;

		interrupt-parent = <&cpu_intc>;

		interrupts = <6>;

		#interrupt-cells = <2>;

	};



	gpio2: gpio@10c8 {

		compatible = "loongson,ls1x-gpio";

		reg = <0x10c8 0x4>;

		gpio-controller;

		ngpios = <32>;

		#gpio-cells = <2>;

	};



	gpio3: gpio@10cc {

		compatible = "loongson,ls1x-gpio";

		reg = <0x10cc 0x4>;

		gpio-controller;

		ngpios = <32>;

		#gpio-cells = <2>;

	};



	dma: dma-controller@1160 {

		compatible = "loongson,ls1c-apbdma", "loongson,ls1b-apbdma";

		reg = <0x1160 0x4>;

		interrupt-parent = <&intc0>;

		interrupts = <13 IRQ_TYPE_EDGE_RISING>,

			     <14 IRQ_TYPE_EDGE_RISING>,

			     <15 IRQ_TYPE_EDGE_RISING>;

		interrupt-names = "ch0", "ch1", "ch2";

		#dma-cells = <1>;

	};



	emac: ethernet@110000 {

		compatible = "loongson,ls1c-emac", "snps,dwmac-3.50a";

		reg = <0x110000 0x10000>;

		clocks = <&clkc LS1X_CLKID_AHB>;

		clock-names = "stmmaceth";

		interrupt-parent = <&intc1>;

		interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;

		interrupt-names = "macirq";

		loongson,ls1-syscon = <&syscon>;

		snps,pbl = <1>;

		status = "disabled";

	};



	ehci: usb@120000 {

		compatible = "generic-ehci";

		reg = <0x120000 0x100>;

		interrupt-parent = <&intc1>;

		interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;

		status = "disabled";

	};



	ohci: usb@128000 {

		compatible = "generic-ohci";

		reg = <0x128000 0x100>;

		interrupt-parent = <&intc1>;

		interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;

		status = "disabled";

	};

};



&apb {

	watchdog: watchdog@1c060 {

		compatible = "loongson,ls1c-wdt";

		reg = <0x1c060 0xc>;

		clocks = <&clkc LS1X_CLKID_APB>;

		status = "disabled";

	};



	rtc: rtc@24000 {

		compatible = "loongson,ls1c-rtc";

		reg = <0x24000 0x78>;

		status = "disabled";

	};



	nand: nand-controller@38000 {

		compatible = "loongson,ls1c-nand-controller";

		reg = <0x38000 0x24>, <0x38040 0x4>;

		reg-names = "nand", "nand-dma";

		dmas = <&dma 0>;

		dma-names = "rxtx";

		#address-cells = <1>;

		#size-cells = <0>;

		status = "disabled";



		nand@0 {

			reg = <0>;

			label = "ls1x-nand";

			nand-use-soft-ecc-engine;

			nand-ecc-algo = "hamming";

		};

	};

};



&gpio0 {

	ngpios = <32>;

};



&gpio1 {

	ngpios = <32>;

};



&uart1 {

	interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;

};



&uart2 {

	interrupts = <5 IRQ_TYPE_LEVEL_HIGH>;

};



&uart3 {

	interrupts = <29 IRQ_TYPE_LEVEL_HIGH>;

};

arch/mips/boot/dts/loongson/smartloong-1c.dts

0 → 100644
+110 −0
Original line number Diff line number Diff line 
// 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 = "loongmasses,smartloong-1c", "loongson,ls1c";

	model = "Smartloong-1C Board";



	memory@0 {

		device_type = "memory";

		reg = <0x0 0x4000000>;

	};



	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 0x7000000>;

			};

		};

	};

};



&ehci {

	status = "okay";

};



&ohci {

	status = "okay";

};



&rtc {

	status = "okay";

};



&uart2 {

	status = "okay";

};



&watchdog {

	status = "okay";

};