xref: /freebsd/sys/contrib/device-tree/Bindings/thermal/rockchip-thermal.yaml (revision b197d4b893974c9eb4d7b38704c6d5c486235d6f) 
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
12properties:
13  compatible:
14    enum:
15      - rockchip,px30-tsadc
16      - rockchip,rk3228-tsadc
17      - rockchip,rk3288-tsadc
18      - rockchip,rk3328-tsadc
19      - rockchip,rk3368-tsadc
20      - rockchip,rk3399-tsadc
21      - rockchip,rk3568-tsadc
22      - rockchip,rv1108-tsadc
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    minItems: 1
41    maxItems: 3
42
43  reset-names:
44    minItems: 1
45    items:
46      - const: tsadc-apb
47      - const: tsadc
48      - const: tsadc-phy
49
50  "#thermal-sensor-cells":
51    const: 1
52
53  rockchip,grf:
54    description: The phandle of the syscon node for the general register file.
55    $ref: /schemas/types.yaml#/definitions/phandle
56
57  rockchip,hw-tshut-temp:
58    description: The hardware-controlled shutdown temperature value.
59    $ref: /schemas/types.yaml#/definitions/uint32
60
61  rockchip,hw-tshut-mode:
62    description: The hardware-controlled shutdown mode 0:CRU 1:GPIO.
63    $ref: /schemas/types.yaml#/definitions/uint32
64    enum: [0, 1]
65
66  rockchip,hw-tshut-polarity:
67    description: The hardware-controlled active polarity 0:LOW 1:HIGH.
68    $ref: /schemas/types.yaml#/definitions/uint32
69    enum: [0, 1]
70
71required:
72  - compatible
73  - reg
74  - interrupts
75  - clocks
76  - clock-names
77  - resets
78  - "#thermal-sensor-cells"
79
80additionalProperties: false
81
82examples:
83  - |
84    #include <dt-bindings/interrupt-controller/arm-gic.h>
85    #include <dt-bindings/clock/rk3288-cru.h>
86
87    tsadc: tsadc@ff280000 {
88        compatible = "rockchip,rk3288-tsadc";
89        reg = <0xff280000 0x100>;
90        interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
91        clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
92        clock-names = "tsadc", "apb_pclk";
93        resets = <&cru SRST_TSADC>;
94        reset-names = "tsadc-apb";
95        #thermal-sensor-cells = <1>;
96        rockchip,hw-tshut-temp = <95000>;
97        rockchip,hw-tshut-mode = <0>;
98        rockchip,hw-tshut-polarity = <0>;
99    };
100