xref: /linux/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml (revision c94cd9508b1335b949fd13ebd269313c65492df0) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/gpio/fsl,qoriq-gpio.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale MPC512x/MPC8xxx/QorIQ/Layerscape GPIO controller
8
9maintainers:
10  - Frank Li <Frank.Li@nxp.com>
11
12properties:
13  compatible:
14    oneOf:
15      - enum:
16          - fsl,mpc5121-gpio
17          - fsl,mpc5125-gpio
18          - fsl,mpc8349-gpio
19          - fsl,mpc8572-gpio
20          - fsl,mpc8610-gpio
21          - fsl,pq3-gpio
22      - items:
23          - enum:
24              - fsl,ls1021a-gpio
25              - fsl,ls1028a-gpio
26              - fsl,ls1043a-gpio
27              - fsl,ls1046a-gpio
28              - fsl,ls1088a-gpio
29              - fsl,ls2080a-gpio
30          - const: fsl,qoriq-gpio
31
32  reg:
33    maxItems: 1
34
35  interrupts:
36    maxItems: 1
37
38  "#gpio-cells":
39    const: 2
40
41  gpio-controller: true
42
43  interrupt-controller: true
44
45  "#interrupt-cells":
46    const: 2
47
48  gpio-line-names:
49    minItems: 1
50    maxItems: 32
51
52  little-endian:
53    $ref: /schemas/types.yaml#/definitions/flag
54    description:
55      GPIO registers are used as little endian. If not
56      present registers are used as big endian by default.
57
58required:
59  - compatible
60  - reg
61  - interrupts
62  - "#gpio-cells"
63
64additionalProperties: false
65
66examples:
67  - |
68    gpio@1100 {
69        compatible = "fsl,mpc5125-gpio";
70        reg = <0x1100 0x080>;
71        interrupts = <78 0x8>;
72        gpio-controller;
73        #gpio-cells = <2>;
74    };
75
76  - |
77    #include <dt-bindings/interrupt-controller/arm-gic.h>
78    gpio@2300000 {
79        compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio";
80        reg = <0x2300000 0x10000>;
81        interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
82        little-endian;
83        gpio-controller;
84        #gpio-cells = <2>;
85        interrupt-controller;
86        #interrupt-cells = <2>;
87    };
88