LoongArch: dts: DeviceTree for Loongson-2K1000

Add DeviceTree file for Loongson-2K1000 processor, which integrates two
64-bit 2-issue superscalar LA264 processor cores.

Signed-off-by: Binbin Zhou <[email protected]>
Signed-off-by: Huacai Chen <[email protected]>

Author: AaronDot

arch/loongarch/boot/dts/Makefile

@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-dtb-y = loongson-2k0500-ref.dtb
+dtb-y = loongson-2k0500-ref.dtb loongson-2k1000-ref.dtb
 
 obj-$(CONFIG_BUILTIN_DTB)	+= $(addsuffix .dtb.o, $(CONFIG_BUILTIN_DTB_NAME))

arch/loongarch/boot/dts/loongson-2k1000-ref.dts

@@ -0,0 +1,183 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2023 Loongson Technology Corporation Limited
+ */
+
+/dts-v1/;
+
+#include "loongson-2k1000.dtsi"
+
+/ {
+	compatible = "loongson,ls2k1000-ref", "loongson,ls2k1000";
+	model = "Loongson-2K1000 Reference Board";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@200000 {
+		device_type = "memory";
+		reg = <0x0 0x00200000 0x0 0x06e00000>,
+		      <0x0 0x08000000 0x0 0x07000000>,
+		      <0x0 0x90000000 0x1 0xe0000000>;
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x0 0x2000000>;
+			linux,cma-default;
+		};
+	};
+};
+
+&gmac0 {
+	status = "okay";
+
+	phy-mode = "rgmii";
+	phy-handle = <&phy0>;
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		phy0: ethernet-phy@0 {
+			reg = <0>;
+		};
+	};
+};
+
+&gmac1 {
+	status = "okay";
+
+	phy-mode = "rgmii";
+	phy-handle = <&phy1>;
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		phy1: ethernet-phy@1 {
+			reg = <16>;
+		};
+	};
+};
+
+&i2c2 {
+	status = "okay";
+
+	pinctrl-0 = <&i2c0_pins_default>;
+	pinctrl-names = "default";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	eeprom@57{
+		compatible = "atmel,24c16";
+		reg = <0x57>;
+		pagesize = <16>;
+	};
+};
+
+&spi0 {
+	status = "okay";
+
+	#address-cells = <1>;
+	#size-cells = <0>;
+	spidev@0 {
+		compatible = "rohm,dh2228fv";
+		spi-max-frequency = <100000000>;
+		reg = <0>;
+	};
+};
+
+&ehci0 {
+	status = "okay";
+};
+
+&ohci0 {
+	status = "okay";
+};
+
+&sata {
+	status = "okay";
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&clk {
+	status = "okay";
+};
+
+&rtc0 {
+	status = "okay";
+};
+
+&pctrl {
+	status = "okay";
+
+	sdio_pins_default: sdio-pins {
+		sdio-pinmux {
+			groups = "sdio";
+			function = "sdio";
+		};
+		sdio-det-pinmux {
+			groups = "pwm2";
+			function = "gpio";
+		};
+	};
+
+	pwm1_pins_default: pwm1-pins {
+		pinmux {
+			groups = "pwm1";
+			function = "pwm1";
+		};
+	};
+
+	pwm0_pins_default: pwm0-pins {
+		pinmux {
+			groups = "pwm0";
+			function = "pwm0";
+		};
+	};
+
+	i2c1_pins_default: i2c1-pins {
+		pinmux {
+			groups = "i2c1";
+			function = "i2c1";
+		};
+	};
+
+	i2c0_pins_default: i2c0-pins {
+		pinmux {
+			groups = "i2c0";
+			function = "i2c0";
+		};
+	};
+
+	nand_pins_default: nand-pins {
+		pinmux {
+			groups = "nand";
+			function = "nand";
+		};
+	};
+
+	hda_pins_default: hda-pins {
+		grp0-pinmux {
+			groups = "hda";
+			function = "hda";
+		};
+		grp1-pinmux {
+			groups = "i2s";
+			function = "gpio";
+		};
+	};
+};