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