xref: /linux/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml (revision 906fd46a65383cd639e5eec72a047efc33045d86) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: PCA9570 I2C GPO expander
8
9maintainers:
10  - Sungbo Eo <mans0n@gorani.run>
11
12properties:
13  compatible:
14    enum:
15      - dlg,slg7xl45106
16      - nxp,pca9570
17      - nxp,pca9571
18
19  reg:
20    maxItems: 1
21
22  gpio-controller: true
23
24  '#gpio-cells':
25    const: 2
26
27  gpio-line-names:
28    minItems: 4
29    maxItems: 8
30
31  label:
32    description: A descriptive name for this device.
33
34required:
35  - compatible
36  - reg
37  - gpio-controller
38  - "#gpio-cells"
39
40additionalProperties: false
41
42examples:
43  - |
44    i2c {
45        #address-cells = <1>;
46        #size-cells = <0>;
47
48        gpio@24 {
49            compatible = "nxp,pca9570";
50            reg = <0x24>;
51            gpio-controller;
52            #gpio-cells = <2>;
53        };
54    };
55
56...
57