qcom,spmi-temp-alarm.yaml

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    1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/thermal/qcom,spmi-temp-alarm.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm QPNP PMIC Temperature Alarm
    8 
    9 maintainers:
   10   - Bjorn Andersson <bjorn.andersson@linaro.org>
   11 
   12 description:
   13   QPNP temperature alarm peripherals are found inside of Qualcomm PMIC chips
   14   that utilize the Qualcomm SPMI implementation. These peripherals provide an
   15   interrupt signal and status register to identify high PMIC die temperature.
   16 
   17 allOf:
   18   - $ref: thermal-sensor.yaml#
   19 
   20 properties:
   21   compatible:
   22     const: qcom,spmi-temp-alarm
   23 
   24   reg:
   25     maxItems: 1
   26 
   27   interrupts:
   28     maxItems: 1
   29 
   30   io-channels:
   31     items:
   32       - description: ADC channel, which reports chip die temperature
   33 
   34   io-channel-names:
   35     items:
   36       - const: thermal
   37 
   38   '#thermal-sensor-cells':
   39     const: 0
   40 
   41 required:
   42   - compatible
   43   - reg
   44   - interrupts
   45   - '#thermal-sensor-cells'
   46 
   47 additionalProperties: false
   48 
   49 examples:
   50   - |
   51     #include <dt-bindings/interrupt-controller/arm-gic.h>
   52 
   53     pmic {
   54         #address-cells = <1>;
   55         #size-cells = <0>;
   56 
   57         pm8350_temp_alarm: temperature-sensor@a00 {
   58             compatible = "qcom,spmi-temp-alarm";
   59             reg = <0xa00>;
   60             interrupts = <0x1 0xa 0x0 IRQ_TYPE_EDGE_BOTH>;
   61             #thermal-sensor-cells = <0>;
   62         };
   63     };
   64 
   65     thermal-zones {
   66         pm8350_thermal: pm8350c-thermal {
   67             polling-delay-passive = <100>;
   68             polling-delay = <0>;
   69             thermal-sensors = <&pm8350_temp_alarm>;
   70 
   71             trips {
   72                 pm8350_trip0: trip0 {
   73                     temperature = <95000>;
   74                     hysteresis = <0>;
   75                     type = "passive";
   76                 };
   77 
   78                 pm8350_crit: pm8350c-crit {
   79                     temperature = <115000>;
   80                     hysteresis = <0>;
   81                     type = "critical";
   82                 };
   83             };
   84         };
   85     };

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sys/contrib/device-tree/Bindings/thermal/qcom,spmi-temp-alarm.yaml