Commit 7c33c911 authored by Binbin Zhou's avatar Binbin Zhou Committed by Huacai Chen
Browse files

LoongArch: dts: Add new supported device nodes to Loongson-2K2000 



By now, more Loongson-2K2000 related drivers are supported, such as
clock controller and thermal controller. So we add these device nodes
to the Loongson-2K2000 dts file.

Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: default avatarHuacai Chen <chenhuacai@loongson.cn>
parent bd7bc02b

arch/loongarch/boot/dts/loongson-2k2000.dtsi

+45 −4
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>;
@@ -19,21 +20,22 @@ cpu0: cpu@1 { 
			compatible = "loongson,la364";

			device_type = "cpu";

			reg = <0x0>;

			clocks = <&cpu_clk>;

			clocks = <&clk LOONGSON2_NODE_CLK>;

		};



		cpu1: cpu@2 {

			compatible = "loongson,la364";

			device_type = "cpu";

			reg = <0x1>;

			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 = <1400000000>;

		clock-frequency = <100000000>;

		clock-output-names = "ref_100m";

	};



	cpuintc: interrupt-controller {
@@ -42,6 +44,28 @@ cpuintc: interrupt-controller { 
		interrupt-controller;

	};



	thermal-zones {

		cpu-thermal {

			polling-delay-passive = <1000>;

			polling-delay = <5000>;

			thermal-sensors = <&tsensor 0>;



			trips {

				cpu-alert {

					temperature = <40000>;

					hysteresis = <2000>;

					type = "active";

				};



				cpu-crit {

					temperature = <85000>;

					hysteresis = <5000>;

					type = "critical";

				};

			};

		};

	};



	bus@10000000 {

		compatible = "simple-bus";

		ranges = <0x0 0x10000000 0x0 0x10000000 0x0 0x10000000>,
@@ -58,6 +82,14 @@ isa@18400000 { 
			ranges = <1 0x0 0x0 0x18400000 0x4000>;

		};



		clk: clock-controller@10010480 {

			compatible = "loongson,ls2k2000-clk";

			reg = <0x0 0x10010480 0x0 0x100>;

			#clock-cells = <1>;

			clocks = <&ref_100m>;

			clock-names = "ref_100m";

		};



		pmc: power-management@100d0000 {

			compatible = "loongson,ls2k2000-pmc", "loongson,ls2k0500-pmc", "syscon";

			reg = <0x0 0x100d0000 0x0 0x58>;
@@ -80,6 +112,15 @@ syscon-poweroff { 
			};

		};



		tsensor: thermal-sensor@1fe01460 {

			compatible = "loongson,ls2k2000-thermal";

			reg = <0x0 0x1fe01460 0x0 0x30>,

			      <0x0 0x1fe0019c 0x0 0x4>;

			interrupt-parent = <&liointc>;

			interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;

			#thermal-sensor-cells = <1>;

		};



		liointc: interrupt-controller@1fe01400 {

			compatible = "loongson,liointc-1.0";

			reg = <0x0 0x1fe01400 0x0 0x64>;