1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/atmel,at91rm9200-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Microchip GPIO controller (PIO)
8
9 maintainers:
10 - Manikandan Muralidharan <manikandan.m@microchip.com>
11
12 properties:
13 compatible:
14 oneOf:
15 - items:
16 - enum:
17 - atmel,at91sam9x5-gpio
18 - microchip,sam9x60-gpio
19 - const: atmel,at91rm9200-gpio
20 - items:
21 - enum:
22 - microchip,sam9x7-gpio
23 - const: microchip,sam9x60-gpio
24 - const: atmel,at91rm9200-gpio
25 - items:
26 - const: atmel,at91rm9200-gpio
27
28 reg:
29 maxItems: 1
30
31 interrupts:
32 maxItems: 1
33
34 interrupt-controller: true
35
36 "#interrupt-cells":
37 const: 2
38
39 gpio-controller: true
40 gpio-line-names: true
41
42 "#gpio-cells":
43 const: 2
44
45 clocks:
46 maxItems: 1
47
48 "#gpio-lines":
49 description:
50 Number of gpio, 32 by default if absent
51 maxItems: 1
52 default: 32
53
54 required:
55 - compatible
56 - reg
57 - interrupts
58 - interrupt-controller
59 - "#interrupt-cells"
60 - gpio-controller
61 - "#gpio-cells"
62 - clocks
63
64 additionalProperties: false
65
66 examples:
67 - |
68 #include <dt-bindings/clock/at91.h>
69 #include <dt-bindings/interrupt-controller/irq.h>
70
71 gpio@fffff400 {
72 compatible = "atmel,at91rm9200-gpio";
73 reg = <0xfffff400 0x200>;
74 interrupts = <2 IRQ_TYPE_LEVEL_HIGH 1>;
75 #gpio-cells = <2>;
76 gpio-controller;
77 interrupt-controller;
78 #interrupt-cells = <2>;
79 clocks = <&pmc PMC_TYPE_PERIPHERAL 2>;
80 };
81 ...
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