xref: /linux/Documentation/devicetree/bindings/thermal/rockchip-thermal.yaml (revision 6e7fd890f1d6ac83805409e9c346240de2705584) 
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
7title: Temperature Sensor ADC (TSADC) on Rockchip SoCs
8
9maintainers:
10  - Heiko Stuebner <heiko@sntech.de>
11
12$ref: thermal-sensor.yaml#
13
14properties:
15  compatible:
16    enum:
17      - rockchip,px30-tsadc
18      - rockchip,rk3228-tsadc
19      - rockchip,rk3288-tsadc
20      - rockchip,rk3328-tsadc
21      - rockchip,rk3368-tsadc
22      - rockchip,rk3399-tsadc
23      - rockchip,rk3568-tsadc
24      - rockchip,rk3588-tsadc
25      - rockchip,rv1108-tsadc
26
27  reg:
28    maxItems: 1
29
30  interrupts:
31    maxItems: 1
32
33  clocks:
34    minItems: 2
35    maxItems: 2
36
37  clock-names:
38    items:
39      - const: tsadc
40      - const: apb_pclk
41
42  resets:
43    minItems: 1
44    maxItems: 3
45
46  reset-names:
47    minItems: 1
48    items:
49      - const: tsadc-apb
50      - const: tsadc
51      - const: tsadc-phy
52
53  "#thermal-sensor-cells":
54    const: 1
55
56  rockchip,grf:
57    description: The phandle of the syscon node for the general register file.
58    $ref: /schemas/types.yaml#/definitions/phandle
59
60  rockchip,hw-tshut-temp:
61    description: The hardware-controlled shutdown temperature value.
62    $ref: /schemas/types.yaml#/definitions/uint32
63
64  rockchip,hw-tshut-mode:
65    description: The hardware-controlled shutdown mode 0:CRU 1:GPIO.
66    $ref: /schemas/types.yaml#/definitions/uint32
67    enum: [0, 1]
68
69  rockchip,hw-tshut-polarity:
70    description: The hardware-controlled active polarity 0:LOW 1:HIGH.
71    $ref: /schemas/types.yaml#/definitions/uint32
72    enum: [0, 1]
73
74required:
75  - compatible
76  - reg
77  - interrupts
78  - clocks
79  - clock-names
80  - resets
81
82unevaluatedProperties: false
83
84examples:
85  - |
86    #include <dt-bindings/interrupt-controller/arm-gic.h>
87    #include <dt-bindings/clock/rk3288-cru.h>
88
89    tsadc: tsadc@ff280000 {
90        compatible = "rockchip,rk3288-tsadc";
91        reg = <0xff280000 0x100>;
92        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
93        clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
94        clock-names = "tsadc", "apb_pclk";
95        resets = <&cru SRST_TSADC>;
96        reset-names = "tsadc-apb";
97        #thermal-sensor-cells = <1>;
98        rockchip,hw-tshut-temp = <95000>;
99        rockchip,hw-tshut-mode = <0>;
100        rockchip,hw-tshut-polarity = <0>;
101    };
102