xref: /linux/Documentation/devicetree/bindings/gpio/fsl,qoriq-gpio.yaml (revision e7e86d7697c6ed1dbbde18d7185c35b6967945ed) 
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,mpc8314-gpio
19          - fsl,mpc8349-gpio
20          - fsl,mpc8572-gpio
21          - fsl,mpc8610-gpio
22          - fsl,pq3-gpio
23      - items:
24          - enum:
25              - fsl,ls1021a-gpio
26              - fsl,ls1028a-gpio
27              - fsl,ls1043a-gpio
28              - fsl,ls1046a-gpio
29              - fsl,ls1088a-gpio
30              - fsl,ls2080a-gpio
31          - const: fsl,qoriq-gpio
32      - items:
33          - enum:
34              - fsl,mpc8308-gpio
35              - fsl,mpc8377-gpio
36              - fsl,mpc8378-gpio
37              - fsl,mpc8379-gpio
38          - const: fsl,mpc8349-gpio
39
40  reg:
41    maxItems: 1
42
43  interrupts:
44    maxItems: 1
45
46  "#gpio-cells":
47    const: 2
48
49  gpio-controller: true
50
51  interrupt-controller: true
52
53  "#interrupt-cells":
54    const: 2
55
56  gpio-line-names:
57    minItems: 1
58    maxItems: 32
59
60  little-endian:
61    $ref: /schemas/types.yaml#/definitions/flag
62    description:
63      GPIO registers are used as little endian. If not
64      present registers are used as big endian by default.
65
66required:
67  - compatible
68  - reg
69  - interrupts
70  - "#gpio-cells"
71
72additionalProperties: false
73
74examples:
75  - |
76    gpio@1100 {
77        compatible = "fsl,mpc5125-gpio";
78        reg = <0x1100 0x080>;
79        interrupts = <78 0x8>;
80        gpio-controller;
81        #gpio-cells = <2>;
82    };
83
84  - |
85    #include <dt-bindings/interrupt-controller/arm-gic.h>
86    gpio@2300000 {
87        compatible = "fsl,ls2080a-gpio", "fsl,qoriq-gpio";
88        reg = <0x2300000 0x10000>;
89        interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
90        little-endian;
91        gpio-controller;
92        #gpio-cells = <2>;
93        interrupt-controller;
94        #interrupt-cells = <2>;
95    };
96