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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/i2c/i2c-pxa.yaml
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# SPDX-License-Identifier: GPL-2.0-only

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%YAML 1.2

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---

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

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

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title: Marvell MMP I2C controller

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maintainers:

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  - Rob Herring <robh@kernel.org>

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allOf:

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

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  - if:

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      not:

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        required:

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          - mrvl,i2c-polling

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    then:

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      required:

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        - interrupts

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properties:

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  compatible:

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    enum:

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      - mrvl,mmp-twsi

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      - mrvl,pxa-i2c

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      - marvell,armada-3700-i2c

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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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    minItems: 1

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  resets:

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    minItems: 1

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  mrvl,i2c-polling:

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    $ref: /schemas/types.yaml#/definitions/flag

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    description: |

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      Disable interrupt of i2c controller. Polling status register of i2c

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      controller instead.

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  mrvl,i2c-fast-mode:

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    $ref: /schemas/types.yaml#/definitions/flag

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    description: Enable fast mode of i2c controller.

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unevaluatedProperties: false

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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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  - '#address-cells'

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  - '#size-cells'

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examples:

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  - |

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    #include <dt-bindings/clock/marvell,mmp2.h>

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    i2c@d4011000 {

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        compatible = "mrvl,mmp-twsi";

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        reg = <0xd4011000 0x1000>;

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        interrupts = <7>;

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        clocks = <&soc_clocks MMP2_CLK_TWSI1>;

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        mrvl,i2c-fast-mode;

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        #address-cells = <1>;

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        #size-cells = <0>;

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    };

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...

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