Commit bd7bc02b authored by Binbin Zhou's avatar Binbin Zhou Committed by Huacai Chen
Browse files

LoongArch: dts: Add new supported device nodes to Loongson-2K0500 



By now, more Loongson-2K0500 related drivers are supported, such as
clock controller, thermal controller, and dma controller. So we add
these device nodes to the Loongson-2K0500 dts file.

Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent 3e4d599c

arch/loongarch/boot/dts/loongson-2k0500.dtsi

+83 −3
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ 
/dts-v1/;



#include <dt-bindings/interrupt-controller/irq.h>

#include <dt-bindings/clock/loongson,ls2k-clk.h>



/ {

	#address-cells = <2>;
@@ -19,14 +20,15 @@ cpu0: cpu@0 { 
			compatible = "loongson,la264";

			device_type = "cpu";

			reg = <0x0>;

			clocks = <&cpu_clk>;

			clocks = <&clk LOONGSON2_NODE_CLK>;

		};

	};



	cpu_clk: cpu-clk {

	ref_100m: clock-ref-100m {

		compatible = "fixed-clock";

		#clock-cells = <0>;

		clock-frequency = <500000000>;

		clock-frequency = <100000000>;

		clock-output-names = "ref_100m";

	};



	cpuintc: interrupt-controller {
@@ -35,6 +37,28 @@ cpuintc: interrupt-controller { 
		interrupt-controller;

	};



	thermal-zones {

		cpu-thermal {

			polling-delay-passive = <1000>;

			polling-delay = <5000>;

			thermal-sensors = <&tsensor 0>;



			trips {

				cpu-alert {

					temperature = <33000>;

					hysteresis = <2000>;

					type = "active";

				};



				cpu-crit {

					temperature = <85000>;

					hysteresis = <5000>;

					type = "critical";

				};

			};

		};

	};



	bus@10000000 {

		compatible = "simple-bus";

		ranges = <0x0 0x10000000 0x0 0x10000000 0x0 0x10000000>,
@@ -52,6 +76,54 @@ isa@16400000 { 
			ranges = <1 0x0 0x0 0x16400000 0x4000>;

		};



		clk: clock-controller@1fe10400 {

			compatible = "loongson,ls2k0500-clk";

			reg = <0x0 0x1fe10400 0x0 0x2c>;

			#clock-cells = <1>;

			clocks = <&ref_100m>;

			clock-names = "ref_100m";

		};



		dma-controller@1fe10c00 {

			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";

			reg = <0 0x1fe10c00 0 0x8>;

			interrupt-parent = <&eiointc>;

			interrupts = <67>;

			clocks = <&clk LOONGSON2_APB_CLK>;

			#dma-cells = <1>;

			status = "disabled";

		};



		dma-controller@1fe10c10 {

			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";

			reg = <0 0x1fe10c10 0 0x8>;

			interrupt-parent = <&eiointc>;

			interrupts = <68>;

			clocks = <&clk LOONGSON2_APB_CLK>;

			#dma-cells = <1>;

			status = "disabled";

		};



		dma-controller@1fe10c20 {

			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";

			reg = <0 0x1fe10c20 0 0x8>;

			interrupt-parent = <&eiointc>;

			interrupts = <69>;

			clocks = <&clk LOONGSON2_APB_CLK>;

			#dma-cells = <1>;

			status = "disabled";

		};



		dma-controller@1fe10c30 {

			compatible = "loongson,ls2k0500-apbdma", "loongson,ls2k1000-apbdma";

			reg = <0 0x1fe10c30 0 0x8>;

			interrupt-parent = <&eiointc>;

			interrupts = <70>;

			clocks = <&clk LOONGSON2_APB_CLK>;

			#dma-cells = <1>;

			status = "disabled";

		};



		liointc0: interrupt-controller@1fe11400 {

			compatible = "loongson,liointc-2.0";

			reg = <0x0 0x1fe11400 0x0 0x40>,
@@ -139,6 +211,14 @@ ohci0: usb@1f058000 { 
			status = "disabled";

		};



		tsensor: thermal-sensor@1fe11500 {

			compatible = "loongson,ls2k0500-thermal", "loongson,ls2k1000-thermal";

			reg = <0x0 0x1fe11500 0x0 0x30>;

			interrupt-parent = <&liointc0>;

			interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;

			#thermal-sensor-cells = <1>;

		};



		uart0: serial@1ff40800 {

			compatible = "ns16550a";

			reg = <0x0 0x1ff40800 0x0 0x10>;