[PATCH v3 25/30] ARM: dts: sun8i: h3: add thermal zone to H3

Philipp Rossak
2018-08-30T15:45:13Z

This patch adds the thermal zones to the H3. We have only one sensor and
that is placed in the cpu.

Signed-off-by: Philipp Rossak <embed3d-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
---
arch/arm/boot/dts/sun8i-h3.dtsi | 31 +++++++++++++++++++++++++++++++
arch/arm/boot/dts/sunxi-h3-h5.dtsi | 1 +
2 files changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
index 5b7994cb1471..954848d5df50 100644
--- a/arch/arm/boot/dts/sun8i-h3.dtsi
+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
@@ -78,6 +78,8 @@
clock-names = "cpu";
operating-points-v2 = <&cpu0_opp_table>;
#cooling-cells = <2>;
+ cooling-min-level = <0>;
+ cooling-max-level = <15>;
};

cpu@1 {
@@ -102,6 +104,35 @@
};
};

+ thermal-zones {
+ cpu-thermal {
+ /* milliseconds */
+ polling-delay-passive = <250>;
+ polling-delay = <1000>;
+ thermal-sensors = <&ths>;
+
+ trips {
+ cpu_hot_trip: cpu-warm {
+ temperature = <65000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+ cpu_very_hot_trip: cpu-very-hot {
+ temperature = <90000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ cpu-warm-limit {
+ trip = <&cpu_hot_trip>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+ };
+
timer {
compatible = "arm,armv7-timer";
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 3520e4ad6042..2c83f4893757 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -47,6 +47,7 @@
#include <dt-bindings/reset/sun8i-de2.h>
#include <dt-bindings/reset/sun8i-h3-ccu.h>
#include <dt-bindings/reset/sun8i-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>

/ {
interrupt-parent = <&gic>;
--
2.11.0