Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
dt-bindings: ata: Add 'ata-generic' binding
The 'ata-generic' binding has been around since 2008, but never
documented.
Cc: Alexander Shiyan <shc_work@mail.ru>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Link: https://lore.kernel.org/r/20221011135849.2785834-1-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
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Documentation/devicetree/bindings/ata/ata-generic.yaml
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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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...