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
7 title: Broadcom XGS iProc GPIO controller
8
9 maintainers:
10 - Chris Packham <chris.packham@alliedtelesis.co.nz>
11
12 description: |
13 This controller is the Chip Common A GPIO present on a number of Broadcom
14 switch ASICs with integrated SoCs.
15
16 properties:
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
42 required:
43 - compatible
44 - reg
45 - "#gpio-cells"
46 - gpio-controller
47
48 additionalProperties: false
49
50 dependencies:
51 interrupt-controller: [ interrupts ]
52
53 examples:
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 ...
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