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Diffstat (limited to 'Documentation/devicetree/bindings/thermal/qcom,spmi-temp-alarm.yaml')
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1 files changed, 85 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/qcom,spmi-temp-alarm.yaml b/Documentation/devicetree/bindings/thermal/qcom,spmi-temp-alarm.yaml new file mode 100644 index 000000000..5f08b6e59 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom,spmi-temp-alarm.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/qcom,spmi-temp-alarm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm QPNP PMIC Temperature Alarm + +maintainers: + - Bjorn Andersson <bjorn.andersson@linaro.org> + +description: + 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. + +allOf: + - $ref: thermal-sensor.yaml# + +properties: + compatible: + const: qcom,spmi-temp-alarm + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + io-channels: + items: + - description: ADC channel, which reports chip die temperature + + io-channel-names: + items: + - const: thermal + + '#thermal-sensor-cells': + const: 0 + +required: + - compatible + - reg + - interrupts + - '#thermal-sensor-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + pmic { + #address-cells = <1>; + #size-cells = <0>; + + pm8350_temp_alarm: temperature-sensor@a00 { + compatible = "qcom,spmi-temp-alarm"; + reg = <0xa00>; + interrupts = <0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>; + #thermal-sensor-cells = <0>; + }; + }; + + thermal-zones { + pm8350_thermal: pm8350c-thermal { + polling-delay-passive = <100>; + polling-delay = <0>; + thermal-sensors = <&pm8350_temp_alarm>; + + trips { + pm8350_trip0: trip0 { + temperature = <95000>; + hysteresis = <0>; + type = "passive"; + }; + + pm8350_crit: pm8350c-crit { + temperature = <115000>; + hysteresis = <0>; + type = "critical"; + }; + }; + }; + }; |