xref: /freebsd/sys/contrib/device-tree/Bindings/thermal/st,stm32-thermal.yaml (revision 8bab661a3316d8bd9b9fbd11a3b4371b91507bd2)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/thermal/st,stm32-thermal.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: STMicroelectronics STM32 digital thermal sensor (DTS)

maintainers:
  - Pascal Paillet <p.paillet@foss.st.com>

properties:
  compatible:
    const: st,stm32-thermal

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  clocks:
    maxItems: 1

  clock-names:
    items:
      - const: pclk

  "#thermal-sensor-cells":
    const: 0

required:
  - "#thermal-sensor-cells"
  - compatible
  - reg
  - interrupts
  - clocks
  - clock-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/clock/stm32mp1-clks.h>
    dts: thermal@50028000 {
        compatible = "st,stm32-thermal";
        reg = <0x50028000 0x100>;
        clocks = <&rcc TMPSENS>;
        clock-names = "pclk";
        #thermal-sensor-cells = <0>;
        interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>;
    };

    thermal-zones {
        cpu_thermal: cpu-thermal {
            polling-delay-passive = <0>;
            polling-delay = <0>;

            thermal-sensors = <&dts>;
            trips {
                cpu_alert1: cpu-alert1 {
                    temperature = <85000>;
                    hysteresis = <0>;
                    type = "passive";
                };

                cpu_crit: cpu-crit {
                    temperature = <120000>;
                    hysteresis = <0>;
                    type = "critical";
                };
            };

            cooling-maps {
            };
        };
    };
...