| Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | ... |