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# 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
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";
};
};
};
};