1 # SPDX-License-Identifier: GPL-2.0
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/i2c/allwinner,sun6i-a31-p2wi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Allwinner A31 P2WI (Push/Pull 2 Wires Interface)
8
9 maintainers:
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
12
13 allOf:
14 - $ref: /schemas/i2c/i2c-controller.yaml#
15
16 properties:
17 compatible:
18 const: allwinner,sun6i-a31-p2wi
19
20 reg:
21 maxItems: 1
22
23 interrupts:
24 maxItems: 1
25
26 clocks:
27 maxItems: 1
28
29 resets:
30 maxItems: 1
31
32 clock-frequency:
33 minimum: 1
34 maximum: 6000000
35
36 required:
37 - compatible
38 - reg
39 - interrupts
40 - clocks
41 - resets
42
43 unevaluatedProperties: false
44
45 examples:
46 - |
47 i2c@1f03400 {
48 compatible = "allwinner,sun6i-a31-p2wi";
49 reg = <0x01f03400 0x400>;
50 interrupts = <0 39 4>;
51 clocks = <&apb0_gates 3>;
52 clock-frequency = <100000>;
53 resets = <&apb0_rst 3>;
54 #address-cells = <1>;
55 #size-cells = <0>;
56
57 axp221: pmic@68 {
58 /* compatible = "x-powers,axp221"; */
59 reg = <0x68>;
60 };
61 };
62
63 ...
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