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/ti,pcm3168a.txt

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    1 Texas Instruments pcm3168a DT bindings
    2 
    3 This driver supports both SPI and I2C bus access for this codec
    4 
    5 Required properties:
    6 
    7   - compatible: "ti,pcm3168a"
    8 
    9   - clocks : Contains an entry for each entry in clock-names
   10 
   11   - clock-names : Includes the following entries:
   12         "scki"  The system clock
   13 
   14   - VDD1-supply : Digital power supply regulator 1 (+3.3V)
   15 
   16   - VDD2-supply : Digital power supply regulator 2 (+3.3V)
   17 
   18   - VCCAD1-supply : ADC power supply regulator 1 (+5V)
   19 
   20   - VCCAD2-supply : ADC power supply regulator 2 (+5V)
   21 
   22   - VCCDA1-supply : DAC power supply regulator 1 (+5V)
   23 
   24   - VCCDA2-supply : DAC power supply regulator 2 (+5V)
   25 
   26 For required properties on SPI/I2C, consult SPI/I2C device tree documentation
   27 
   28 Optional properties:
   29 
   30   - reset-gpios : Optional reset gpio line connected to RST pin of the codec.
   31                   The RST line is low active:
   32                   RST = low: device power-down
   33                   RST = high: device is enabled
   34 
   35 Examples:
   36 
   37 i2c0: i2c0@0 {
   38 
   39         ...
   40 
   41         pcm3168a: audio-codec@44 {
   42                 compatible = "ti,pcm3168a";
   43                 reg = <0x44>;
   44                 reset-gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
   45                 clocks = <&clk_core CLK_AUDIO>;
   46                 clock-names = "scki";
   47                 VDD1-supply = <&supply3v3>;
   48                 VDD2-supply = <&supply3v3>;
   49                 VCCAD1-supply = <&supply5v0>;
   50                 VCCAD2-supply = <&supply5v0>;
   51                 VCCDA1-supply = <&supply5v0>;
   52                 VCCDA2-supply = <&supply5v0>;
   53                 pinctrl-names = "default";
   54                 pinctrl-0 = <&dac_clk_pin>;
   55         };
   56 };

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