Documentation/devicetree/bindings/thermal/st,stm32-thermal.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/thermal/st,stm32-thermal.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: STMicroelectronics STM32 digital thermal sensor (DTS) binding
   8
   9 maintainers:
  10   - David Hernandez Sanchez <david.hernandezsanchez@st.com>
  11
  12 properties:
  13   compatible:
  14     const: st,stm32-thermal
  15
  16   reg:
  17     maxItems: 1
  18
  19   interrupts:
  20     maxItems: 1
  21
  22   clocks:
  23     maxItems: 1
  24
  25   clock-names:
  26     items:
  27       - const: pclk
  28
  29   "#thermal-sensor-cells":
  30     const: 0
  31
  32 required:
  33   - "#thermal-sensor-cells"
  34   - compatible
  35   - reg
  36   - interrupts
  37   - clocks
  38   - clock-names
  39
  40 additionalProperties: false
  41
  42 examples:
  43   - |
  44     #include <dt-bindings/interrupt-controller/arm-gic.h>
  45     #include <dt-bindings/clock/stm32mp1-clks.h>
  46     dts: thermal@50028000 {
  47         compatible = "st,stm32-thermal";
  48         reg = <0x50028000 0x100>;
  49         clocks = <&rcc TMPSENS>;
  50         clock-names = "pclk";
  51         #thermal-sensor-cells = <0>;
  52         interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
  53     };
  54
  55     thermal-zones {
  56         cpu_thermal: cpu-thermal {
  57             polling-delay-passive = <0>;
  58             polling-delay = <0>;
  59
  60             thermal-sensors = <&dts>;
  61             trips {
  62                 cpu_alert1: cpu-alert1 {
  63                     temperature = <85000>;
  64                     hysteresis = <0>;
  65                     type = "passive";
  66                 };
  67
  68                 cpu_crit: cpu-crit {
  69                     temperature = <120000>;
  70                     hysteresis = <0>;
  71                     type = "critical";
  72                 };
  73             };
  74
  75             cooling-maps {
  76             };
  77         };
  78     };
  79 ...