xref: /linux/Documentation/devicetree/bindings/i2c/i2c-pxa.yaml (revision 7255fcc80d4b525cc10cfaaf7f485830d4ed2000) 
1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/i2c/i2c-pxa.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Marvell MMP I2C controller
8
9maintainers:
10  - Rob Herring <robh@kernel.org>
11
12allOf:
13  - $ref: /schemas/i2c/i2c-controller.yaml#
14  - if:
15      not:
16        required:
17          - mrvl,i2c-polling
18    then:
19      required:
20        - interrupts
21
22properties:
23  compatible:
24    enum:
25      - mrvl,mmp-twsi
26      - mrvl,pxa-i2c
27      - marvell,armada-3700-i2c
28
29  reg:
30    maxItems: 1
31
32  interrupts:
33    maxItems: 1
34
35  clocks:
36    minItems: 1
37
38  resets:
39    minItems: 1
40
41  mrvl,i2c-polling:
42    $ref: /schemas/types.yaml#/definitions/flag
43    description: |
44      Disable interrupt of i2c controller. Polling status register of i2c
45      controller instead.
46
47  mrvl,i2c-fast-mode:
48    $ref: /schemas/types.yaml#/definitions/flag
49    description: Enable fast mode of i2c controller.
50
51unevaluatedProperties: false
52
53required:
54  - compatible
55  - reg
56  - interrupts
57  - clocks
58  - '#address-cells'
59  - '#size-cells'
60
61examples:
62  - |
63    #include <dt-bindings/clock/marvell,mmp2.h>
64    i2c@d4011000 {
65        compatible = "mrvl,mmp-twsi";
66        reg = <0xd4011000 0x1000>;
67        interrupts = <7>;
68        clocks = <&soc_clocks MMP2_CLK_TWSI1>;
69        mrvl,i2c-fast-mode;
70        #address-cells = <1>;
71        #size-cells = <0>;
72    };
73
74...
75