Documentation/devicetree/bindings/thermal/rockchip-thermal.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/thermal/rockchip-thermal.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Temperature Sensor ADC (TSADC) on Rockchip SoCs
   8
   9 maintainers:
  10   - Heiko Stuebner <heiko@sntech.de>
  11
  12 properties:
  13   compatible:
  14     enum:
  15       - rockchip,px30-tsadc # PX30 SoCs
  16       - rockchip,rv1108-tsadc # RV1108 SoCs
  17       - rockchip,rk3228-tsadc # RK3228 SoCs
  18       - rockchip,rk3288-tsadc # RK3288 SoCs
  19       - rockchip,rk3328-tsadc # RK3328 SoCs
  20       - rockchip,rk3368-tsadc # RK3368 SoCs
  21       - rockchip,rk3399-tsadc # RK3399 SoCs
  22       - rockchip,rk3568-tsadc # RK3568 SoCs
  23
  24   reg:
  25     maxItems: 1
  26
  27   interrupts:
  28     maxItems: 1
  29
  30   clocks:
  31     minItems: 2
  32     maxItems: 2
  33
  34   clock-names:
  35     items:
  36       - const: tsadc
  37       - const: apb_pclk
  38
  39   resets:
  40     maxItems: 1
  41
  42   reset-names:
  43     items:
  44       - const: tsadc-apb
  45
  46   "#thermal-sensor-cells":
  47     const: 1
  48
  49   rockchip,grf:
  50     description: The phandle of the syscon node for the general register file.
  51     $ref: /schemas/types.yaml#/definitions/phandle
  52
  53   rockchip,hw-tshut-temp:
  54     description: The hardware-controlled shutdown temperature value.
  55     $ref: /schemas/types.yaml#/definitions/uint32
  56
  57   rockchip,hw-tshut-mode:
  58     description: The hardware-controlled shutdown mode 0:CRU 1:GPIO.
  59     $ref: /schemas/types.yaml#/definitions/uint32
  60     enum: [0, 1]
  61
  62   rockchip,hw-tshut-polarity:
  63     description: The hardware-controlled active polarity 0:LOW 1:HIGH.
  64     $ref: /schemas/types.yaml#/definitions/uint32
  65     enum: [0, 1]
  66
  67 required:
  68   - compatible
  69   - reg
  70   - interrupts
  71   - clocks
  72   - clock-names
  73   - resets
  74   - reset-names
  75   - "#thermal-sensor-cells"
  76
  77 additionalProperties: false
  78
  79 examples:
  80   - |
  81     #include <dt-bindings/interrupt-controller/arm-gic.h>
  82     #include <dt-bindings/clock/rk3288-cru.h>
  83
  84     tsadc: tsadc@ff280000 {
  85         compatible = "rockchip,rk3288-tsadc";
  86         reg = <0xff280000 0x100>;
  87         interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
  88         clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
  89         clock-names = "tsadc", "apb_pclk";
  90         resets = <&cru SRST_TSADC>;
  91         reset-names = "tsadc-apb";
  92         #thermal-sensor-cells = <1>;
  93         rockchip,hw-tshut-temp = <95000>;
  94         rockchip,hw-tshut-mode = <0>;
  95         rockchip,hw-tshut-polarity = <0>;
  96     };