1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-owl.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Actions Semi Owl I2C Controller
8
9 maintainers:
10 - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
11
12 description: |
13 This I2C controller is found in the Actions Semi Owl SoCs:
14 S500, S700 and S900.
15
16 allOf:
17 - $ref: /schemas/i2c/i2c-controller.yaml#
18
19 properties:
20 compatible:
21 enum:
22 - actions,s500-i2c # Actions Semi S500 compatible SoCs
23 - actions,s700-i2c # Actions Semi S700 compatible SoCs
24 - actions,s900-i2c # Actions Semi S900 compatible SoCs
25
26 reg:
27 maxItems: 1
28
29 interrupts:
30 maxItems: 1
31
32 clocks:
33 description: Phandle of the clock feeding the I2C controller.
34 minItems: 1
35
36 clock-frequency:
37 description: |
38 Desired I2C bus clock frequency in Hz. As only Standard and Fast
39 modes are supported, possible values are 100000 and 400000.
40 enum: [100000, 400000]
41
42 required:
43 - compatible
44 - reg
45 - interrupts
46 - clocks
47
48 unevaluatedProperties: false
49
50 examples:
51 - |
52 #include <dt-bindings/clock/actions,s900-cmu.h>
53 #include <dt-bindings/interrupt-controller/arm-gic.h>
54 i2c@e0170000 {
55 compatible = "actions,s900-i2c";
56 reg = <0xe0170000 0x1000>;
57 interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
58 clocks = <&cmu CLK_I2C0>;
59 clock-frequency = <100000>;
60 };
61
62 ...
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