Documentation/devicetree/bindings/sound/cs4271.txt

   1 Cirrus Logic CS4271 DT bindings
   2
   3 This driver supports both the I2C and the SPI bus.
   4
   5 Required properties:
   6
   7  - compatible: "cirrus,cs4271"
   8
   9 For required properties on SPI, please consult
  10 Documentation/devicetree/bindings/spi/spi-bus.txt
  11
  12 Required properties on I2C:
  13
  14  - reg: the i2c address
  15
  16
  17 Optional properties:
  18
  19  - reset-gpio:  a GPIO spec to define which pin is connected to the chip's
  20                 !RESET pin
  21  - cirrus,amuteb-eq-bmutec:     When given, the Codec's AMUTEB=BMUTEC flag
  22                                 is enabled.
  23
  24 Examples:
  25
  26         codec_i2c: cs4271@10 {
  27                 compatible = "cirrus,cs4271";
  28                 reg = <0x10>;
  29                 reset-gpio = <&gpio 23 0>;
  30         };
  31
  32         codec_spi: cs4271@0 {
  33                 compatible = "cirrus,cs4271";
  34                 reg = <0x0>;
  35                 reset-gpio = <&gpio 23 0>;
  36                 spi-max-frequency = <6000000>;
  37         };
  38