The sun20i THS (built in CPU thermal sensor) is supported in code, but
was never added to the device tree. So, add it to the device tree,
along with a thermal zone for the CPU.
Signed-off-by: Alex Studer <alex@xxxxxxxxxx>
---
arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi | 31 +++++++++++++++++++
.../boot/dts/allwinner/sunxi-d1s-t113.dtsi | 16 ++++++++++
2 files changed, 47 insertions(+)
diff --git a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi
index 6367112e6..bdde82aa8 100644
--- a/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sun20i-d1s.dtsi
@@ -3,6 +3,8 @@
#define SOC_PERIPHERAL_IRQ(nr) (nr + 16)
+#include <dt-bindings/thermal/thermal.h>
+
#include "sunxi-d1s-t113.dtsi"
/ {
@@ -115,4 +117,33 @@ pmu {
<0x00000000 0x0000000e 0xffffffff 0xffffffff 0x00010000>,
<0x00000000 0x0000000f 0xffffffff 0xffffffff 0x00020000>;
};
+
+ thermal-zones {
+ cpu-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&ths>;
+
+ cooling-maps {
+ map0 {
+ trip = <&cpu_alert>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+
+ trips {
+ cpu_alert: cpu-alert {
+ temperature = <85000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ cpu-crit {
+ temperature = <100000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+ };
+ };
};
diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
index e4175adb0..fcfcaf06c 100644
--- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
+++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
@@ -426,6 +426,10 @@ sid: efuse@3006000 {
reg = <0x3006000 0x1000>;
#address-cells = <1>;
#size-cells = <1>;
+
+ ths_calibration: thermal-sensor-calibration@14 {
+ reg = <0x14 0x8>;
+ };
};
crypto: crypto@3040000 {
@@ -934,5 +938,17 @@ rtc: rtc@7090000 {
clock-names = "bus", "hosc", "ahb";
#clock-cells = <1>;
};
+
+ ths: thermal-sensor@2009400 {
+ compatible = "allwinner,sun20i-d1-ths";
+ reg = <0x2009400 0x100>;
+ interrupts = <SOC_PERIPHERAL_IRQ(58) IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&ccu CLK_BUS_THS>;
+ clock-names = "bus";
+ resets = <&ccu RST_BUS_THS>;
+ nvmem-cells = <&ths_calibration>;
+ nvmem-cell-names = "calibration";
+ #thermal-sensor-cells = <0>;
+ };
};
};
--
2.48.1
