1 # SPDX-License-Identifier: GPL-2.0-only OR BSD 1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/gpio/brcm,b 4 $id: http://devicetree.org/schemas/gpio/brcm,bcm63xx-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Broadcom BCM63xx GPIO controller 7 title: Broadcom BCM63xx GPIO controller
8 8
9 maintainers: 9 maintainers:
10 - Álvaro Fernández Rojas <noltari@gmail.com 10 - Álvaro Fernández Rojas <noltari@gmail.com>
11 - Jonas Gorski <jonas.gorski@gmail.com> 11 - Jonas Gorski <jonas.gorski@gmail.com>
12 12
13 description: |+ 13 description: |+
14 Bindings for Broadcom's BCM63xx memory-mappe 14 Bindings for Broadcom's BCM63xx memory-mapped GPIO controllers.
15 15
16 These bindings can be used on any BCM63xx So 16 These bindings can be used on any BCM63xx SoC. However, BCM6338 and BCM6345
17 are the only ones which don't need a pinctrl 17 are the only ones which don't need a pinctrl driver.
18 18
19 BCM6338 have 8-bit data and dirout registers 19 BCM6338 have 8-bit data and dirout registers, where GPIO state can be read
20 and/or written, and the direction changed fr 20 and/or written, and the direction changed from input to output.
21 BCM6318, BCM6328, BCM6358, BCM6362, BCM6368 21 BCM6318, BCM6328, BCM6358, BCM6362, BCM6368 and BCM63268 have 32-bit data
22 and dirout registers, where GPIO state can b 22 and dirout registers, where GPIO state can be read and/or written, and the
23 direction changed from input to output. 23 direction changed from input to output.
24 24
25 properties: 25 properties:
26 compatible: 26 compatible:
27 enum: 27 enum:
28 - brcm,bcm6318-gpio 28 - brcm,bcm6318-gpio
29 - brcm,bcm6328-gpio 29 - brcm,bcm6328-gpio
30 - brcm,bcm6358-gpio 30 - brcm,bcm6358-gpio
31 - brcm,bcm6362-gpio 31 - brcm,bcm6362-gpio
32 - brcm,bcm6368-gpio 32 - brcm,bcm6368-gpio
33 - brcm,bcm63268-gpio 33 - brcm,bcm63268-gpio
34 34
35 gpio-controller: true 35 gpio-controller: true
36 36
37 "#gpio-cells": 37 "#gpio-cells":
38 const: 2 38 const: 2
39 39
40 gpio-ranges: 40 gpio-ranges:
41 maxItems: 1 41 maxItems: 1
42 42
43 native-endian: true 43 native-endian: true
44 44
45 reg: 45 reg:
46 maxItems: 2 46 maxItems: 2
47 47
48 reg-names: 48 reg-names:
49 items: 49 items:
50 - const: dirout 50 - const: dirout
51 - const: dat 51 - const: dat
52 52
53 required: 53 required:
54 - compatible 54 - compatible
55 - reg 55 - reg
56 - reg-names 56 - reg-names
57 - gpio-controller 57 - gpio-controller
58 - '#gpio-cells' 58 - '#gpio-cells'
59 59
60 additionalProperties: false 60 additionalProperties: false
61 61
62 examples: 62 examples:
63 - | 63 - |
64 gpio@0 { 64 gpio@0 {
65 compatible = "brcm,bcm63268-gpio"; 65 compatible = "brcm,bcm63268-gpio";
66 reg-names = "dirout", "dat"; 66 reg-names = "dirout", "dat";
67 reg = <0x0 0x8>, <0x8 0x8>; 67 reg = <0x0 0x8>, <0x8 0x8>;
68 68
69 gpio-controller; 69 gpio-controller;
70 gpio-ranges = <&pinctrl 0 0 52>; 70 gpio-ranges = <&pinctrl 0 0 52>;
71 #gpio-cells = <2>; 71 #gpio-cells = <2>;
72 }; 72 };
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