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| author | Rob Herring <robh@kernel.org> | 2022-10-11 08:58:50 -0500 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2022-10-21 16:02:04 -0500 |
| commit | e0cb61a8b8c84ad79bc3e1d8341cd2438d9cefe1 (patch) | |
| tree | 5108de8d0e6b9c5e9ab5802ae87e7d9e9ce50012 /Documentation | |
| parent | c9adc3bd1180d2911d2b1b886dbec916805be998 (diff) | |
| download | linux-stable-e0cb61a8b8c84ad79bc3e1d8341cd2438d9cefe1.tar.gz linux-stable-e0cb61a8b8c84ad79bc3e1d8341cd2438d9cefe1.tar.bz2 linux-stable-e0cb61a8b8c84ad79bc3e1d8341cd2438d9cefe1.zip | |
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>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/ata/ata-generic.yaml | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ata/ata-generic.yaml b/Documentation/devicetree/bindings/ata/ata-generic.yaml new file mode 100644 index 000000000000..0697927f3d7e --- /dev/null +++ b/Documentation/devicetree/bindings/ata/ata-generic.yaml @@ -0,0 +1,58 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ata/ata-generic.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Generic Parallel ATA Controller + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: + Generic Parallel ATA controllers supporting PIO modes only. + +properties: + compatible: + items: + - enum: + - arm,vexpress-cf + - fsl,mpc8349emitx-pata + - const: ata-generic + + reg: + items: + - description: Command interface registers + - description: Control interface registers + + reg-shift: + enum: [ 1, 2 ] + + interrupts: + maxItems: 1 + + ata-generic,use16bit: + type: boolean + description: Use 16-bit accesses instead of 32-bit for data transfers + + pio-mode: + description: Maximum ATA PIO transfer mode + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 6 + default: 0 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + compact-flash@1a000 { + compatible = "arm,vexpress-cf", "ata-generic"; + reg = <0x1a000 0x100>, + <0x1a100 0xf00>; + reg-shift = <2>; + }; +... |