Add thermal sensor, which is using on chip VADC channel to report PMIC
die temperature. Also add the corresponding thermal zone.
Signed-off-by: Matti Lehtimäki <matti.lehtimaki@xxxxxxxxx>
---
arch/arm/boot/dts/qcom-pm8226.dtsi | 39 ++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-pm8226.dtsi b/arch/arm/boot/dts/qcom-pm8226.dtsi
index 46ba84f86c9f..3b8ad28cecb0 100644
--- a/arch/arm/boot/dts/qcom-pm8226.dtsi
+++ b/arch/arm/boot/dts/qcom-pm8226.dtsi
@@ -4,6 +4,36 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/spmi/spmi.h>
+/ {
+ thermal-zones {
+ pm8226-thermal {
+ polling-delay-passive = <100>;
+ polling-delay = <0>;
+ thermal-sensors = <&pm8226_temp>;
+
+ trips {
+ trip0 {
+ temperature = <105000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ trip1 {
+ temperature = <125000>;
+ hysteresis = <2000>;
+ type = "hot";
+ };
+
+ crit {
+ temperature = <145000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+ };
+ };
+};
+
&spmi_bus {
pm8226_0: pm8226@0 {
compatible = "qcom,pm8226", "qcom,spmi-pmic";
@@ -55,6 +85,15 @@ smbb: charger@1000 {
chg_otg: otg-vbus { };
};
+ pm8226_temp: temp-alarm@2400 {
+ compatible = "qcom,spmi-temp-alarm";
+ reg = <0x2400>;
+ interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>;
+ io-channels = <&pm8226_vadc VADC_DIE_TEMP>;
+ io-channel-names = "thermal";
+ #thermal-sensor-cells = <0>;
+ };
+
pm8226_vadc: adc@3100 {
compatible = "qcom,spmi-vadc";
reg = <0x3100>;
--
2.34.1
