[PATCH v2] arm64: dts: qcom: sc8280xp: Introduce additional tsens instances

Bjorn Andersson
2024-01-26T15:13:39Z

The SC8280XP contains two additional tsens instances, providing among
other things thermal measurements for the GPU.

Add these and a GPU thermal-zone.

Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
---
Changes in v2:
- Drop TM/SROT comments
- Remove polling delays, rely on interrupts
- Link to v1: https://lore.kernel.org/r/20240118-sc8280xp-tsens2_3-v1-1-e86bce14f6bf@quicinc.com
---
arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 37 ++++++++++++++++++++++++++++++++++
1 file changed, 37 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index febf28356ff8..7bfbb1bd8f4a 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -4033,6 +4033,28 @@ tsens1: thermal-sensor@c265000 {
#thermal-sensor-cells = <1>;
};

+ tsens2: thermal-sensor@c251000 {
+ compatible = "qcom,sc8280xp-tsens", "qcom,tsens-v2";
+ reg = <0 0x0c251000 0 0x1ff>,
+ <0 0x0c224000 0 0x8>;
+ #qcom,sensors = <11>;
+ interrupts-extended = <&pdc 122 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc 124 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "uplow", "critical";
+ #thermal-sensor-cells = <1>;
+ };
+
+ tsens3: thermal-sensor@c252000 {
+ compatible = "qcom,sc8280xp-tsens", "qcom,tsens-v2";
+ reg = <0 0x0c252000 0 0x1ff>,
+ <0 0x0c225000 0 0x8>;
+ #qcom,sensors = <5>;
+ interrupts-extended = <&pdc 123 IRQ_TYPE_LEVEL_HIGH>,
+ <&pdc 125 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "uplow", "critical";
+ #thermal-sensor-cells = <1>;
+ };
+
aoss_qmp: power-management@c300000 {
compatible = "qcom,sc8280xp-aoss-qmp", "qcom,aoss-qmp";
reg = <0 0x0c300000 0 0x400>;
@@ -5212,6 +5234,21 @@ cpu-crit {
};
};

+ gpu-thermal {
+ polling-delay-passive = <0>;
+ polling-delay = <0>;
+
+ thermal-sensors = <&tsens2 2>;
+
+ trips {
+ cpu-crit {
+ temperature = <110000>;
+ hysteresis = <1000>;
+ type = "critical";
+ };
+ };
+ };
+
mem-thermal {
polling-delay-passive = <250>;
polling-delay = <1000>;

---
base-commit: 943b9f0ab2cfbaea148dd6ac279957eb08b96904
change-id: 20240118-sc8280xp-tsens2_3-a5fd9a48d655

Best regards,
--
Bjorn Andersson <quic_bjorande@quicinc.com>