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

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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: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
This commit is contained in:
Binbin Zhou 2024-05-14 12:24:24 +08:00 committed by Huacai Chen
parent bd7bc02b0c
commit 7c33c9111c
1 changed files with 45 additions and 4 deletions
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49
arch/loongarch/boot/dts/loongson-2k2000.dtsi
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@ -6,6 +6,7 @@
/dts-v1/; /dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/clock/loongson,ls2k-clk.h>
/ { / {
#address-cells = <2>; #address-cells = <2>;
@ -19,21 +20,22 @@
compatible = "loongson,la364"; compatible = "loongson,la364";
device_type = "cpu"; device_type = "cpu";
reg = <0x0>; reg = <0x0>;
clocks = <&cpu_clk>; clocks = <&clk LOONGSON2_NODE_CLK>;
}; };
cpu1: cpu@2 { cpu1: cpu@2 {
compatible = "loongson,la364"; compatible = "loongson,la364";
device_type = "cpu"; device_type = "cpu";
reg = <0x1>; reg = <0x1>;
clocks = <&cpu_clk>; clocks = <&clk LOONGSON2_NODE_CLK>;
}; };
}; };
cpu_clk: cpu-clk { ref_100m: clock-ref-100m {
compatible = "fixed-clock"; compatible = "fixed-clock";
#clock-cells = <0>; #clock-cells = <0>;
clock-frequency = <1400000000>; clock-frequency = <100000000>;
clock-output-names = "ref_100m";
}; };
cpuintc: interrupt-controller { cpuintc: interrupt-controller {
@ -42,6 +44,28 @@
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 { bus@10000000 {
compatible = "simple-bus"; compatible = "simple-bus";
ranges = <0x0 0x10000000 0x0 0x10000000 0x0 0x10000000>, ranges = <0x0 0x10000000 0x0 0x10000000 0x0 0x10000000>,
@ -58,6 +82,14 @@
ranges = <1 0x0 0x0 0x18400000 0x4000>; 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 { pmc: power-management@100d0000 {
compatible = "loongson,ls2k2000-pmc", "loongson,ls2k0500-pmc", "syscon"; compatible = "loongson,ls2k2000-pmc", "loongson,ls2k0500-pmc", "syscon";
reg = <0x0 0x100d0000 0x0 0x58>; reg = <0x0 0x100d0000 0x0 0x58>;
@ -80,6 +112,15 @@
}; };
}; };
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 { liointc: interrupt-controller@1fe01400 {
compatible = "loongson,liointc-1.0"; compatible = "loongson,liointc-1.0";
reg = <0x0 0x1fe01400 0x0 0x64>; reg = <0x0 0x1fe01400 0x0 0x64>;