By now, more Loongson-2K0500 related drivers are supported, such as
clock controller, thermal controller, and dma controller.
Now we add these device nodes to the Loongson-2K0500 dts file.
Signed-off-by: Binbin Zhou <zhoubinbin@xxxxxxxxxxx>
---
.../boot/dts/loongson-2k0500-ref.dts | 4 +
arch/loongarch/boot/dts/loongson-2k0500.dtsi | 81 ++++++++++++++++++-
2 files changed, 82 insertions(+), 3 deletions(-)
diff --git a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
index 8aefb0c12672..62dad6297e82 100644
--- a/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
+++ b/arch/loongarch/boot/dts/loongson-2k0500-ref.dts
@@ -41,6 +41,10 @@ linux,cma {
};
};
+&clk {
+ status = "okay";
+};
+
&gmac0 {
status = "okay";
diff --git a/arch/loongarch/boot/dts/loongson-2k0500.dtsi b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
index 444779c21034..14345093631a 100644
--- a/arch/loongarch/boot/dts/loongson-2k0500.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k0500.dtsi
@@ -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 +37,22 @@ cpuintc: interrupt-controller {
interrupt-controller;
};
+ thermal-zones {
+ cpu-thermal {
+ polling-delay-passive = <1000>;
+ polling-delay = <5000>;
+ thermal-sensors = <&tsensor 0>;
+
+ trips {
+ cpu-crit {
+ temperature = <85000>;
+ hysteresis = <5000>;
+ type = "critical";
+ };
+ };
+ };
+ };
+
bus@10000000 {
compatible = "simple-bus";
ranges = <0x0 0x10000000 0x0 0x10000000 0x0 0x10000000>,
@@ -52,6 +70,55 @@ 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";
+ status = "disabled";
+ };
+
+ 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 +206,14 @@ 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>;
--
2.43.0
