xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/gpio/gpio-pca9570.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: PCA9570 I2C GPO expander
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Sungbo Eo <mans0n@gorani.run>
11*4882a593Smuzhiyun
12*4882a593Smuzhiyunproperties:
13*4882a593Smuzhiyun  compatible:
14*4882a593Smuzhiyun    enum:
15*4882a593Smuzhiyun      - nxp,pca9570
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun  reg:
18*4882a593Smuzhiyun    maxItems: 1
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  gpio-controller: true
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun  '#gpio-cells':
23*4882a593Smuzhiyun    const: 2
24*4882a593Smuzhiyun
25*4882a593Smuzhiyunrequired:
26*4882a593Smuzhiyun  - compatible
27*4882a593Smuzhiyun  - reg
28*4882a593Smuzhiyun  - gpio-controller
29*4882a593Smuzhiyun  - "#gpio-cells"
30*4882a593Smuzhiyun
31*4882a593SmuzhiyunadditionalProperties: false
32*4882a593Smuzhiyun
33*4882a593Smuzhiyunexamples:
34*4882a593Smuzhiyun  - |
35*4882a593Smuzhiyun    i2c0 {
36*4882a593Smuzhiyun        #address-cells = <1>;
37*4882a593Smuzhiyun        #size-cells = <0>;
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun        gpio@24 {
40*4882a593Smuzhiyun            compatible = "nxp,pca9570";
41*4882a593Smuzhiyun            reg = <0x24>;
42*4882a593Smuzhiyun            gpio-controller;
43*4882a593Smuzhiyun            #gpio-cells = <2>;
44*4882a593Smuzhiyun        };
45*4882a593Smuzhiyun    };
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun...
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