description: Nsiway NS4168 class-D speaker amplifier (I2S input, optional GPIO enable)

compatible: "nsiway,ns4168"

properties:
  i2s:
    type: phandle
    required: true
    description: "I2S controller device that carries audio data"
  pin-enable:
    type: phandles
    default: GPIO_PIN_SPEC_NONE
    description: "Amplifier enable (SD) pin. Omit if the amplifier is always enabled."