Documentation/devicetree/bindings/spi/samsung,spi-peripheral-props.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/spi/samsung,spi-peripheral-props.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Peripheral-specific properties for Samsung S3C/S5P/Exynos SoC SPI controller
   8
   9 maintainers:
  10   - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
  11
  12 description:
  13   See spi-peripheral-props.yaml for more info.
  14
  15 properties:
  16   controller-data:
  17     type: object
  18     additionalProperties: false
  19
  20     properties:
  21       samsung,spi-feedback-delay:
  22         description: |
  23           The sampling phase shift to be applied on the miso line (to account
  24           for any lag in the miso line). Valid values:
  25            - 0: No phase shift.
  26            - 1: 90 degree phase shift sampling.
  27            - 2: 180 degree phase shift sampling.
  28            - 3: 270 degree phase shift sampling.
  29         $ref: /schemas/types.yaml#/definitions/uint32
  30         enum: [0, 1, 2, 3]
  31         default: 0
  32
  33 additionalProperties: true