Documentation/devicetree/bindings/ata/ata-generic.yaml

   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 ...