1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/ata/ata-generic.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Generic Parallel ATA Controller
8
9 maintainers:
10 - Linus Walleij <linus.walleij@linaro.org>
11
12 description:
13 Generic Parallel ATA controllers supporting PIO modes only.
14
15 properties:
16 compatible:
17 items:
18 - enum:
19 - arm,vexpress-cf
20 - fsl,mpc8349emitx-pata
21 - const: ata-generic
22
23 reg:
24 items:
25 - description: Command interface registers
26 - description: Control interface registers
27
28 reg-shift:
29 enum: [ 1, 2 ]
30
31 interrupts:
32 maxItems: 1
33
34 ata-generic,use16bit:
35 type: boolean
36 description: Use 16-bit accesses instead of 32-bit for data transfers
37
38 pio-mode:
39 description: Maximum ATA PIO transfer mode
40 $ref: /schemas/types.yaml#/definitions/uint32
41 maximum: 6
42 default: 0
43
44 required:
45 - compatible
46 - reg
47
48 additionalProperties: false
49
50 examples:
51 - |
52 compact-flash@1a000 {
53 compatible = "arm,vexpress-cf", "ata-generic";
54 reg = <0x1a000 0x100>,
55 <0x1a100 0xf00>;
56 reg-shift = <2>;
57 };
58 ...
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