ARM: dts: qcom: pm8841: Add thermal zone config

Add thermal zone for the PMIC thermal sensor. Temperatures are based on
downstream values, except for critical trip point where 140°C is used
instead of 145°C due to limitations without a configured ADC.

Signed-off-by: Matti Lehtimäki <matti.lehtimaki@gmail.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230529221501.43455-3-matti.lehtimaki@gmail.com

diff --git a/arch/arm/boot/dts/qcom-pm8841.dtsi b/arch/arm/boot/dts/qcom-pm8841.dtsi
index b5cdde0..3bf2ce5 100644 (file)
--- a/arch/arm/boot/dts/qcom-pm8841.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8841.dtsi
@@ -2,6 +2,37 @@
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/spmi/spmi.h>
 
+
+/ {
+       thermal-zones {
+               pm8841-thermal {
+                       polling-delay-passive = <100>;
+                       polling-delay = <0>;
+                       thermal-sensors = <&pm8841_temp>;
+
+                       trips {
+                               trip0 {
+                                       temperature = <105000>;
+                                       hysteresis = <2000>;
+                                       type = "passive";
+                               };
+
+                               trip1 {
+                                       temperature = <125000>;
+                                       hysteresis = <2000>;
+                                       type = "hot";
+                               };
+
+                               crit {
+                                       temperature = <140000>;
+                                       hysteresis = <2000>;
+                                       type = "critical";
+                               };
+                       };
+               };
+       };
+};
+
 &spmi_bus {
 
        pm8841_0: pm8841@4 {
@@ -20,7 +51,7 @@
                        #interrupt-cells = <2>;
                };
 
-               temp-alarm@2400 {
+               pm8841_temp: temp-alarm@2400 {
                        compatible = "qcom,spmi-temp-alarm";
                        reg = <0x2400>;
                        interrupts = <4 0x24 0 IRQ_TYPE_EDGE_RISING>;