1 files changed, 141 insertions, 0 deletions
diff --git a/arch/mips/boot/dts/loongson/loongson1c.dtsi b/arch/mips/boot/dts/loongson/loongson1c.dtsi
new file mode 100644
index 000000000000..5e80c6a657af
--- /dev/null
+++ b/arch/mips/boot/dts/loongson/loongson1c.dtsi
@@ -0,0 +1,141 @@
+// 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>;
+};