xref: /linux/Documentation/devicetree/bindings/gpio/renesas,em-gio.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/renesas,em-gio.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas EMMA Mobile General Purpose I/O Interface
8
9maintainers:
10  - Magnus Damm <magnus.damm@gmail.com>
11
12properties:
13  compatible:
14    const: renesas,em-gio
15
16  reg:
17    items:
18      - description: First set of contiguous registers
19      - description: Second set of contiguous registers
20
21  interrupts:
22    items:
23      - description: Interrupt for the first set of 16 GPIO ports
24      - description: Interrupt for the second set of 16 GPIO ports
25
26  gpio-controller: true
27
28  '#gpio-cells':
29    const: 2
30
31  gpio-ranges:
32    maxItems: 1
33
34  ngpios:
35    minimum: 1
36    maximum: 32
37
38  interrupt-controller: true
39
40  '#interrupt-cells':
41    const: 2
42
43required:
44  - compatible
45  - reg
46  - interrupts
47  - gpio-controller
48  - '#gpio-cells'
49  - gpio-ranges
50  - ngpios
51  - interrupt-controller
52  - '#interrupt-cells'
53
54additionalProperties: false
55
56examples:
57  - |
58    #include <dt-bindings/interrupt-controller/arm-gic.h>
59    gpio0: gpio@e0050000 {
60            compatible = "renesas,em-gio";
61            reg = <0xe0050000 0x2c>, <0xe0050040 0x20>;
62            interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>,
63                         <GIC_SPI 68 IRQ_TYPE_LEVEL_HIGH>;
64            gpio-controller;
65            #gpio-cells = <2>;
66            gpio-ranges = <&pfc 0 0 32>;
67            ngpios = <32>;
68            interrupt-controller;
69            #interrupt-cells = <2>;
70    };
71