[PATCH v2 3/3] arm64: dts: allwinner: h616: Add thermal sensor and thermal zones

Martin Botka
2023-08-21T14:04:03Z

There are 4 thermal sensors:
- CPU
- GPU
- VE
- DRAM

Add the thermal sensor configuration and thermal zones

Signed-off-by: Martin Botka <martin.botka@somainline.org>
---
arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi | 87 ++++++++++++++++++++++++++
1 file changed, 87 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
index d549d277d972..063db9634e5f 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h616.dtsi
@@ -9,6 +9,7 @@
#include <dt-bindings/clock/sun6i-rtc.h>
#include <dt-bindings/reset/sun50i-h616-ccu.h>
#include <dt-bindings/reset/sun50i-h6-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>

/ {
interrupt-parent = <&gic>;
@@ -138,6 +139,10 @@ sid: efuse@3006000 {
reg = <0x03006000 0x1000>;
#address-cells = <1>;
#size-cells = <1>;
+
+ ths_calibration: thermal-sensor-calibration@14 {
+ reg = <0x14 0x8>;
+ };
};

watchdog: watchdog@30090a0 {
@@ -511,6 +516,18 @@ mdio0: mdio {
};
};

+ ths: thermal-sensor@5070400 {
+ compatible = "allwinner,sun50i-h616-ths";
+ reg = <0x05070400 0x400>;
+ interrupts = <GIC_SPI 19 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 = <1>;
+ };
+
usbotg: usb@5100000 {
compatible = "allwinner,sun50i-h616-musb",
"allwinner,sun8i-h3-musb";
@@ -755,4 +772,74 @@ r_rsb: rsb@7083000 {
#size-cells = <0>;
};
};
+
+ thermal-zones {
+ cpu-thermal {
+ polling-delay-passive = <500>;
+ polling-delay = <1000>;
+ thermal-sensors = <&ths 2>;
+ sustainable-power = <1000>;
+
+ trips {
+ cpu_threshold: cpu-trip-0 {
+ temperature = <60000>;
+ type = "passive";
+ hysteresis = <0>;
+ };
+ cpu_target: cpu-trip-1 {
+ temperature = <70000>;
+ type = "passive";
+ hysteresis = <0>;
+ };
+ cpu_critical: cpu-trip-2 {
+ temperature = <110000>;
+ type = "critical";
+ hysteresis = <0>;
+ };
+ };
+ };
+
+ gpu-thermal {
+ polling-delay-passive = <500>;
+ polling-delay = <1000>;
+ thermal-sensors = <&ths 0>;
+ sustainable-power = <1100>;
+
+ trips {
+ gpu_temp_critical: gpu-trip-0 {
+ temperature = <110000>;
+ type = "critical";
+ hysteresis = <0>;
+ };
+ };
+ };
+
+ ve-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&ths 1>;
+
+ trips {
+ ve_temp_critical: ve-trip-0 {
+ temperature = <110000>;
+ type = "critical";
+ hysteresis = <0>;
+ };
+ };
+ };
+
+ ddr-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+ thermal-sensors = <&ths 3>;
+
+ trips {
+ ddr_temp_critical: ddr-trip-0 {
+ temperature = <110000>;
+ type = "critical";
+ hysteresis = <0>;
+ };
+ };
+ };
+ };
};

--
2.41.0