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

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

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title: Generic Parallel ATA Controller

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maintainers:

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  - Linus Walleij <linus.walleij@linaro.org>

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description:

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  Generic Parallel ATA controllers supporting PIO modes only.

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properties:

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  compatible:

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    items:

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      - enum:

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          - arm,vexpress-cf

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          - fsl,mpc8349emitx-pata

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      - const: ata-generic

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  reg:

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    items:

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      - description: Command interface registers

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      - description: Control interface registers

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  reg-shift:

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    enum: [ 1, 2 ]

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  interrupts:

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    maxItems: 1

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  ata-generic,use16bit:

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    type: boolean

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    description: Use 16-bit accesses instead of 32-bit for data transfers

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  pio-mode:

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    description: Maximum ATA PIO transfer mode

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    $ref: /schemas/types.yaml#/definitions/uint32

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    maximum: 6

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    default: 0

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required:

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  - compatible

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  - reg

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additionalProperties: false

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examples:

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  - |

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    compact-flash@1a000 {

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        compatible = "arm,vexpress-cf", "ata-generic";

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        reg = <0x1a000 0x100>,

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              <0x1a100 0xf00>;

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        reg-shift = <2>;

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    };

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...

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