xref: /linux/Documentation/devicetree/bindings/gpio/rockchip,gpio-bank.yaml (revision f6e8dc9edf963dbc99085e54f6ced6da9daa6100) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/rockchip,gpio-bank.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Rockchip GPIO bank
8
9maintainers:
10  - Heiko Stuebner <heiko@sntech.de>
11
12properties:
13  compatible:
14    enum:
15      - rockchip,gpio-bank
16      - rockchip,rk3188-gpio-bank0
17
18  reg:
19    maxItems: 1
20
21  interrupts:
22    maxItems: 1
23
24  clocks:
25    minItems: 1
26    items:
27      - description: APB interface clock source
28      - description: GPIO debounce reference clock source
29
30  gpio-ranges: true
31
32  gpio-controller: true
33
34  gpio-line-names: true
35
36  "#gpio-cells":
37    const: 2
38
39  interrupt-controller: true
40
41  "#interrupt-cells":
42    const: 2
43
44  power-domains:
45    maxItems: 1
46
47patternProperties:
48  "^.+-hog(-[0-9]+)?$":
49    type: object
50
51    required:
52      - gpio-hog
53
54required:
55  - compatible
56  - reg
57  - interrupts
58  - clocks
59  - gpio-controller
60  - "#gpio-cells"
61  - interrupt-controller
62  - "#interrupt-cells"
63
64additionalProperties: false
65
66examples:
67  - |
68    #include <dt-bindings/interrupt-controller/arm-gic.h>
69    pinctrl: pinctrl {
70      #address-cells = <1>;
71      #size-cells = <1>;
72      ranges;
73
74      gpio0: gpio@2000a000 {
75        compatible = "rockchip,rk3188-gpio-bank0";
76        reg = <0x2000a000 0x100>;
77        interrupts = <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
78        clocks = <&clk_gates8 9>;
79
80        gpio-controller;
81        #gpio-cells = <2>;
82
83        interrupt-controller;
84        #interrupt-cells = <2>;
85      };
86
87      gpio1: gpio@2003c000 {
88        compatible = "rockchip,gpio-bank";
89        reg = <0x2003c000 0x100>;
90        interrupts = <GIC_SPI 55 IRQ_TYPE_LEVEL_HIGH>;
91        clocks = <&clk_gates8 10>;
92
93        gpio-controller;
94        #gpio-cells = <2>;
95
96        interrupt-controller;
97        #interrupt-cells = <2>;
98      };
99    };
100