xref: /linux/Documentation/devicetree/bindings/gpio/brcm,xgs-iproc-gpio.yaml (revision 3bec5b6aae830355e786e204b20a7cea38c3a8ed) 
1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/brcm,xgs-iproc-gpio.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Broadcom XGS iProc GPIO controller
8
9maintainers:
10  - Chris Packham <chris.packham@alliedtelesis.co.nz>
11
12description: |
13  This controller is the Chip Common A GPIO present on a number of Broadcom
14  switch ASICs with integrated SoCs.
15
16properties:
17  compatible:
18    const: brcm,iproc-gpio-cca
19
20  reg:
21    items:
22      - description: the I/O address containing the GPIO controller registers.
23      - description: the I/O address containing the Chip Common A interrupt registers.
24
25  gpio-controller: true
26
27  '#gpio-cells':
28    const: 2
29
30  ngpios:
31    minimum: 0
32    maximum: 32
33
34  interrupt-controller: true
35
36  '#interrupt-cells':
37    const: 2
38
39  interrupts:
40    maxItems: 1
41
42required:
43  - compatible
44  - reg
45  - "#gpio-cells"
46  - gpio-controller
47
48additionalProperties: false
49
50dependencies:
51  interrupt-controller: [ interrupts ]
52
53examples:
54  - |
55    #include <dt-bindings/interrupt-controller/irq.h>
56    #include <dt-bindings/interrupt-controller/arm-gic.h>
57    gpio@18000060 {
58        compatible = "brcm,iproc-gpio-cca";
59        #gpio-cells = <2>;
60        reg = <0x18000060 0x50>,
61              <0x18000000 0x50>;
62        ngpios = <12>;
63        gpio-controller;
64        interrupt-controller;
65        #interrupt-cells = <2>;
66        interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
67    };
68
69
70...
71