Documentation/devicetree/bindings/sound/adi,adau1977.txt

   1 Analog Devices ADAU1977/ADAU1978/ADAU1979
   2
   3 Datasheets:
   4 http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1977.pdf
   5 http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1978.pdf
   6 http://www.analog.com/media/en/technical-documentation/data-sheets/ADAU1979.pdf
   7
   8 This driver supports both the I2C and SPI bus.
   9
  10 Required properties:
  11  - compatible: Should contain one of the following:
  12                "adi,adau1977"
  13                "adi,adau1978"
  14                "adi,adau1979"
  15
  16  - AVDD-supply: analog power supply for the device, please consult
  17                 Documentation/devicetree/bindings/regulator/regulator.txt
  18
  19 Optional properties:
  20  - reset-gpio:  the reset pin for the chip, for more details consult
  21                 Documentation/devicetree/bindings/gpio/gpio.txt
  22
  23  - DVDD-supply: supply voltage for the digital core, please consult
  24                 Documentation/devicetree/bindings/regulator/regulator.txt
  25
  26 For required properties on SPI, please consult
  27 Documentation/devicetree/bindings/spi/spi-bus.txt
  28
  29 Required properties on I2C:
  30
  31  - reg:         The i2c address. Value depends on the state of ADDR0
  32                 and ADDR1, as wired in hardware.
  33
  34 Examples:
  35
  36         adau1977_spi: adau1977@0 {
  37                 compatible = "adi,adau1977";
  38                 spi-max-frequency = <600000>;
  39
  40                 AVDD-supply = <&regulator>;
  41                 DVDD-supply = <&regulator_digital>;
  42
  43                 reset_gpio = <&gpio 10 GPIO_ACTIVE_LOW>;
  44         };
  45
  46         adau1977_i2c: adau1977@11 {
  47                 compatible = "adi,adau1977";
  48                 reg = <0x11>;
  49
  50                 AVDD-supply = <&regulator>;
  51                 DVDD-supply = <&regulator_digital>;
  52
  53                 reset_gpio = <&gpio 10 GPIO_ACTIVE_LOW>;
  54         };