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
7 title: Marvell MMP I2C controller
8
9 maintainers:
10 - Rob Herring <robh@kernel.org>
11
12 allOf:
13 - $ref: /schemas/i2c/i2c-controller.yaml#
14 - if:
15 not:
16 required:
17 - mrvl,i2c-polling
18 then:
19 required:
20 - interrupts
21
22 properties:
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
51 unevaluatedProperties: false
52
53 required:
54 - compatible
55 - reg
56 - interrupts
57 - clocks
58 - '#address-cells'
59 - '#size-cells'
60
61 examples:
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 ...
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