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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/i2c/i2c-owl.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/i2c/i2c-owl.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: Actions Semi Owl I2C Controller

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maintainers:

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  - Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>

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description: |

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  This I2C controller is found in the Actions Semi Owl SoCs:

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  S500, S700 and S900.

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allOf:

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  - $ref: /schemas/i2c/i2c-controller.yaml#

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properties:

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  compatible:

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    enum:

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      - actions,s500-i2c # Actions Semi S500 compatible SoCs

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      - actions,s700-i2c # Actions Semi S700 compatible SoCs

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      - actions,s900-i2c # Actions Semi S900 compatible SoCs

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  reg:

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    maxItems: 1

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  interrupts:

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    maxItems: 1

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  clocks:

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    description: Phandle of the clock feeding the I2C controller.

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    minItems: 1

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  clock-frequency:

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    description: |

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      Desired I2C bus clock frequency in Hz. As only Standard and Fast

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      modes are supported, possible values are 100000 and 400000.

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    enum: [100000, 400000]

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required:

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  - compatible

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  - reg

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  - interrupts

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  - clocks

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unevaluatedProperties: false

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examples:

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  - |

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    #include <dt-bindings/clock/actions,s900-cmu.h>

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    i2c@e0170000 {

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        compatible = "actions,s900-i2c";

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        reg = <0xe0170000 0x1000>;

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        interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;

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        clocks = <&cmu CLK_I2C0>;

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        clock-frequency = <100000>;

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    };

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...

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