Cirrus Logic CS4341 audio DAC This device supports both I2C and SPI (configured with pin strapping on the board). Required properties: - compatible: "cirrus,cs4341a" - reg : the I2C address of the device for I2C, the chip select number for SPI. For required properties on I2C-bus, please consult Documentation/devicetree/bindings/i2c/i2c.txt For required properties on SPI-bus, please consult Documentation/devicetree/bindings/spi/spi-bus.txt Example: codec: cs4341@0 { #sound-dai-cells = <0>; compatible = "cirrus,cs4341a"; reg = <0>; spi-max-frequency = <6000000>; };