The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)

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FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/adi,adau1701.txt

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    1 Analog Devices ADAU1701
    2 
    3 Required properties:
    4 
    5  - compatible:          Should contain "adi,adau1701"
    6  - reg:                 The i2c address. Value depends on the state of ADDR0
    7                         and ADDR1, as wired in hardware.
    8 
    9 Optional properties:
   10 
   11  - reset-gpio:          A GPIO spec to define which pin is connected to the
   12                         chip's !RESET pin. If specified, the driver will
   13                         assert a hardware reset at probe time.
   14  - adi,pll-mode-gpios:  An array of two GPIO specs to describe the GPIOs
   15                         the ADAU's PLL config pins are connected to.
   16                         The state of the pins are set according to the
   17                         configured clock divider on ASoC side before the
   18                         firmware is loaded.
   19  - adi,pin-config:      An array of 12 numerical values selecting one of the
   20                         pin configurations as described in the datasheet,
   21                         table 53. Note that the value of this property has
   22                         to be prefixed with '/bits/ 8'.
   23  - avdd-supply:         Power supply for AVDD, providing 3.3V
   24  - dvdd-supply:         Power supply for DVDD, providing 3.3V
   25 
   26 Examples:
   27 
   28         i2c_bus {
   29                 adau1701@34 {
   30                         compatible = "adi,adau1701";
   31                         reg = <0x34>;
   32                         reset-gpio = <&gpio 23 0>;
   33                         avdd-supply = <&vdd_3v3_reg>;
   34                         dvdd-supply = <&vdd_3v3_reg>;
   35                         adi,pll-mode-gpios = <&gpio 24 0 &gpio 25 0>;
   36                         adi,pin-config = /bits/ 8 <0x4 0x7 0x5 0x5 0x4 0x4
   37                                                    0x4 0x4 0x4 0x4 0x4 0x4>;
   38                 };
   39         };

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