description: ESP32 I2S Controller

include: ["i2s-controller.yaml"]

compatible: "espressif,esp32-i2s"

properties:
  port:
    type: int
    required: true
    description: |
      The port number, defined by i2s_port_t.
      Depending on the hardware, these values are available: I2S_NUM_0, I2S_NUM_1
  pin-bclk:
    type: phandles
    default: GPIO_PIN_SPEC_NONE
    description: Bit clock pin. Not used in PDM RX mode (e.g. a PDM microphone), where pin-ws carries the PDM clock instead.
  pin-ws:
    type: phandles
    required: true
    description: Word (slot) select pin. Doubles as the PDM clock pin in PDM RX mode.
  pin-data-out:
    type: phandles
    default: GPIO_PIN_SPEC_NONE
    description: Data output pin
  pin-data-in:
    type: phandles
    default: GPIO_PIN_SPEC_NONE
    description: Data input pin
  pin-mclk:
    type: phandles
    default: GPIO_PIN_SPEC_NONE
    description: Master clock pin