xref: /linux/Documentation/devicetree/bindings/gpio/exar,xra1403.yaml (revision fcb117e0758d1462128a50c5788555e03b48833b) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/exar,xra1403.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: XRA1403 16-bit GPIO Expander with Reset Input
8
9maintainers:
10  - Nandor Han <nandor.han@ge.com>
11
12description: >
13  The XRA1403 is an 16-bit GPIO expander with an SPI interface. Features
14  available:
15
16    - Individually programmable inputs:
17        - Internal pull-up resistors
18        - Polarity inversion
19        - Individual interrupt enable
20        - Rising edge and/or Falling edge interrupt
21        - Input filter
22    - Individually programmable outputs:
23        - Output Level Control
24        - Output Three-State Control
25
26properties:
27  compatible:
28    const: exar,xra1403
29
30  reg:
31    maxItems: 1
32
33  gpio-controller: true
34
35  '#gpio-cells':
36    const: 2
37
38  interrupt-controller: true
39
40  '#interrupt-cells':
41    const: 2
42
43  reset-gpios:
44    description: Control line for the device reset.
45
46required:
47  - compatible
48  - reg
49  - gpio-controller
50  - '#gpio-cells'
51
52allOf:
53  - $ref: /schemas/spi/spi-peripheral-props.yaml#
54
55unevaluatedProperties: false
56
57examples:
58  - |
59    #include <dt-bindings/gpio/gpio.h>
60
61    spi {
62        #address-cells = <1>;
63        #size-cells = <0>;
64
65        gpio@2 {
66            compatible = "exar,xra1403";
67            reg = <2>;
68            spi-max-frequency = <1000000>;
69            gpio-controller;
70            #gpio-cells = <2>;
71            interrupt-controller;
72            #interrupt-cells = <2>;
73            reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
74        };
75    };
76