riscv: dts: andes: add QiLai SoC device tree

Introduce the initial device tree support for the Andes QiLai SoC.

For further information, you can refer to [1].

[1] https://www.andestech.com/en/products-solutions/andeshape-platforms/qilai-chip/

Signed-off-by: Ben Zong-You Xie <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>

Author: ben717-linux

arch/riscv/boot/dts/andes/qilai.dtsi

@@ -0,0 +1,186 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2025 Andes Technology Corporation. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		timebase-frequency = <62500000>;
+
+		cpu0: cpu@0 {
+			compatible = "andestech,ax45mp", "riscv";
+			device_type = "cpu";
+			reg = <0>;
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "zicntr", "zicsr", "zifencei",
+					       "zihpm", "xandespmu";
+			mmu-type = "riscv,sv39";
+			clock-frequency = <100000000>;
+			i-cache-size = <0x8000>;
+			i-cache-sets = <256>;
+			i-cache-line-size = <64>;
+			d-cache-size = <0x8000>;
+			d-cache-sets = <128>;
+			d-cache-line-size = <64>;
+			next-level-cache = <&l2_cache>;
+
+			cpu0_intc: interrupt-controller {
+				compatible = "andestech,cpu-intc", "riscv,cpu-intc";
+				#interrupt-cells = <1>;
+				interrupt-controller;
+			};
+		};
+
+		cpu1: cpu@1 {
+			compatible = "andestech,ax45mp", "riscv";
+			device_type = "cpu";
+			reg = <1>;
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "zicntr", "zicsr", "zifencei",
+					       "zihpm", "xandespmu";
+			mmu-type = "riscv,sv39";
+			clock-frequency = <100000000>;
+			i-cache-size = <0x8000>;
+			i-cache-sets = <256>;
+			i-cache-line-size = <64>;
+			d-cache-size = <0x8000>;
+			d-cache-sets = <128>;
+			d-cache-line-size = <64>;
+			next-level-cache = <&l2_cache>;
+
+			cpu1_intc: interrupt-controller {
+				compatible = "andestech,cpu-intc",
+					     "riscv,cpu-intc";
+				#interrupt-cells = <1>;
+				interrupt-controller;
+			};
+		};
+
+		cpu2: cpu@2 {
+			compatible = "andestech,ax45mp", "riscv";
+			device_type = "cpu";
+			reg = <2>;
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "zicntr", "zicsr", "zifencei",
+					       "zihpm", "xandespmu";
+			mmu-type = "riscv,sv39";
+			clock-frequency = <100000000>;
+			i-cache-size = <0x8000>;
+			i-cache-sets = <256>;
+			i-cache-line-size = <64>;
+			d-cache-size = <0x8000>;
+			d-cache-sets = <128>;
+			d-cache-line-size = <64>;
+			next-level-cache = <&l2_cache>;
+
+			cpu2_intc: interrupt-controller {
+				compatible = "andestech,cpu-intc",
+					     "riscv,cpu-intc";
+				#interrupt-cells = <1>;
+				interrupt-controller;
+			};
+		};
+
+		cpu3: cpu@3 {
+			compatible = "andestech,ax45mp", "riscv";
+			device_type = "cpu";
+			reg = <3>;
+			riscv,isa-base = "rv64i";
+			riscv,isa-extensions = "i", "m", "a", "f", "d", "c",
+					       "zicntr", "zicsr", "zifencei",
+					       "zihpm", "xandespmu";
+			mmu-type = "riscv,sv39";
+			clock-frequency = <100000000>;
+			i-cache-size = <0x8000>;
+			i-cache-sets = <256>;
+			i-cache-line-size = <64>;
+			d-cache-size = <0x8000>;
+			d-cache-sets = <128>;
+			d-cache-line-size = <64>;
+			next-level-cache = <&l2_cache>;
+
+			cpu3_intc: interrupt-controller {
+				compatible = "andestech,cpu-intc",
+					     "riscv,cpu-intc";
+				#interrupt-cells = <1>;
+				interrupt-controller;
+			};
+		};
+	};
+
+	soc {
+		compatible = "simple-bus";
+		ranges;
+		interrupt-parent = <&plic>;
+		#address-cells = <2>;
+		#size-cells = <2>;
+
+		plmt: timer@100000 {
+			compatible = "andestech,qilai-plmt", "andestech,plmt0";
+			reg = <0x0 0x00100000 0x0 0x100000>;
+			interrupts-extended = <&cpu0_intc 7>,
+					      <&cpu1_intc 7>,
+					      <&cpu2_intc 7>,
+					      <&cpu3_intc 7>;
+		};
+
+		l2_cache: cache-controller@200000 {
+			compatible = "andestech,qilai-ax45mp-cache",
+				     "andestech,ax45mp-cache", "cache";
+			reg = <0x0 0x00200000 0x0 0x100000>;
+			interrupts = <16 IRQ_TYPE_LEVEL_HIGH>;
+			cache-line-size = <64>;
+			cache-level = <2>;
+			cache-sets = <2048>;
+			cache-size = <0x200000>;
+			cache-unified;
+		};
+
+		plic_sw: interrupt-controller@400000 {
+			compatible = "andestech,qilai-plicsw",
+				     "andestech,plicsw";
+			reg = <0x0 0x00400000 0x0 0x400000>;
+			interrupts-extended = <&cpu0_intc 3>,
+					      <&cpu1_intc 3>,
+					      <&cpu2_intc 3>,
+					      <&cpu3_intc 3>;
+		};
+
+		plic: interrupt-controller@2000000 {
+			compatible = "andestech,qilai-plic",
+				     "andestech,nceplic100";
+			reg = <0x0 0x02000000 0x0 0x2000000>;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			interrupt-controller;
+			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>,
+					      <&cpu1_intc 11>, <&cpu1_intc 9>,
+					      <&cpu2_intc 11>, <&cpu2_intc 9>,
+					      <&cpu3_intc 11>, <&cpu3_intc 9>;
+			riscv,ndev = <71>;
+		};
+
+		uart0: serial@30300000 {
+			compatible = "andestech,uart16550", "ns16550a";
+			reg = <0x0 0x30300000 0x0 0x100000>;
+			interrupts = <9 IRQ_TYPE_LEVEL_HIGH>;
+			clock-frequency = <50000000>;
+			reg-offset = <32>;
+			reg-shift = <2>;
+			reg-io-width = <4>;
+			no-loopback-test;
+		};
+	};
+};