dts/bindings/spi/nxp,imx-lpspi.yaml

# Copyright (c) 2018,2023 NXP
# SPDX-License-Identifier: Apache-2.0

description: NXP i.MX LPSPI controller

compatible: "nxp,imx-lpspi"

include: ["spi-controller.yaml", "pinctrl-device.yaml"]

properties:
  reg:
    required: true

  clocks:
    required: true

  pcs-sck-delay:
    type: int
    description: |
      Delay in nanoseconds from the chip select assert to the first clock
      edge. If not set, the minimum supported delay is used.

  sck-pcs-delay:
    type: int
    description: |
      Delay in nanoseconds from the last clock edge to the chip select
      deassert. If not set, the minimum supported delay is used.

  transfer-delay:
    type: int
    description: |
      Delay in nanoseconds from the chip select deassert to the next chip
      select assert. If not set, the minimum supported delay is used.

  data-pin-config:
    type: string
    enum:
      - "sdi-in,sdo-out"
      - "sdi-in,sdi-out"
      - "sdo-in,sdo-out"
      - "sdo-in,sdi-out"
    default: "sdi-in,sdo-out"
    description: |
      Configures which pins (SDO and SDI) are used for input and output data
      during single bit transfers.