dts/bindings/spi/espressif,esp32-spi.yaml

description: ESP32 SPI

compatible: "espressif,esp32-spi"

include: spi-controller.yaml

properties:
    reg:
      required: true

    interrupts:
      required: false

    miso-pin:
      type: int
      description: MISO pin
      required: true

    mosi-pin:
      type: int
      description: MOSI pin
      required: true

    sclk-pin:
      type: int
      description: SPI generated clock pin
      required: true

    csel-pin:
      type: int
      description: chip select pin
      required: true

    use-iomux:
      type: boolean
      required: false
      description: |
        Support IO muxing for the target SPI peripheral pins

        Some SPI interfaces are not allowed to mux its pins

    half-duplex:
      type: boolean
      required: false
      description: |
        Enable half-duplex communication mode.

        Transmit data before receiving it, instead of simultaneously

    dummy-comp:
      type: boolean
      required: false
      description: Enable dummy SPI compensation cycles

    sio:
      type: boolean
      required: false
      description: |
        Enable 3-wire mode

        Use MOSI for both sending and receiving data

    dma:
      type: boolean
      required: false
      description: Enable SPI DMA support

    clk-as-cs:
      type: boolean
      required: false
      description: |
        Support to toggle the CS while the clock toggles

        Output clock on CS line if CS is active

    positive-cs:
      type: boolean
      required: false
      description: Make CS positive during a transaction instead of negative