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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
| commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
| tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt | |
| parent | Initial commit. (diff) | |
| download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip | |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt b/Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt new file mode 100644 index 000000000..2d5b2ad03 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-temp-alarm.txt @@ -0,0 +1,51 @@ +Qualcomm QPNP PMIC Temperature Alarm + +QPNP temperature alarm peripherals are found inside of Qualcomm PMIC chips +that utilize the Qualcomm SPMI implementation. These peripherals provide an +interrupt signal and status register to identify high PMIC die temperature. + +Required properties: +- compatible: Should contain "qcom,spmi-temp-alarm". +- reg: Specifies the SPMI address. +- interrupts: PMIC temperature alarm interrupt. +- #thermal-sensor-cells: Should be 0. See Documentation/devicetree/bindings/thermal/thermal-sensor.yaml for a description. + +Optional properties: +- io-channels: Should contain IIO channel specifier for the ADC channel, + which report chip die temperature. +- io-channel-names: Should contain "thermal". + +Example: + + pm8941_temp: thermal-alarm@2400 { + compatible = "qcom,spmi-temp-alarm"; + reg = <0x2400>; + interrupts = <0 0x24 0 IRQ_TYPE_EDGE_RISING>; + #thermal-sensor-cells = <0>; + + io-channels = <&pm8941_vadc VADC_DIE_TEMP>; + io-channel-names = "thermal"; + }; + + thermal-zones { + pm8941 { + polling-delay-passive = <250>; + polling-delay = <1000>; + + thermal-sensors = <&pm8941_temp>; + + trips { + stage1 { + temperature = <105000>; + hysteresis = <2000>; + type = "passive"; + }; + stage2 { + temperature = <125000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + |