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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/fsi/fsi-master-gpio.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/fsi/fsi-master-gpio.yaml#

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

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title: fsi-master-gpio

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maintainers:

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  - Eddie James <eajames@linux.ibm.com>

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allOf:

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  - $ref: /schemas/fsi/fsi-controller.yaml

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properties:

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  compatible:

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    items:

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      - const: fsi-master-gpio

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  clock-gpios:

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    description: GPIO for FSI clock

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    maxItems: 1

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  data-gpios:

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    description: GPIO for FSI data signal

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    maxItems: 1

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  enable-gpios:

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    description: GPIO for enable signal

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    maxItems: 1

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  trans-gpios:

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    description: GPIO for voltage translator enable

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    maxItems: 1

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  mux-gpios:

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    description: GPIO for pin multiplexing with other functions (eg, external

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      FSI masters)

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    maxItems: 1

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  no-gpio-delays:

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    description:

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      Don't add extra delays between GPIO accesses. This is useful when the HW

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      GPIO block is running at a low enough frequency.

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    type: boolean

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required:

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  - compatible

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  - clock-gpios

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  - data-gpios

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unevaluatedProperties: false

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examples:

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  - |

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    fsi-master {

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        compatible = "fsi-master-gpio";

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        clock-gpios = <&gpio 0>;

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        data-gpios = <&gpio 1>;

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        enable-gpios = <&gpio 2>;

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        trans-gpios = <&gpio 3>;

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        mux-gpios = <&gpio 4>;

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    };

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