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