ak4458.txt

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    1 AK4458 audio DAC
    2 
    3 This device supports I2C mode.
    4 
    5 Required properties:
    6 
    7 - compatible : "asahi-kasei,ak4458" or "asahi-kasei,ak4497"
    8 - reg : The I2C address of the device for I2C
    9 
   10 Optional properties:
   11 - reset-gpios: A GPIO specifier for the power down & reset pin
   12 - mute-gpios: A GPIO specifier for the soft mute pin
   13 - AVDD-supply: Analog power supply
   14 - DVDD-supply: Digital power supply
   15 - dsd-path: Select DSD input pins for ak4497
   16             0: select #16, #17, #19 pins
   17             1: select #3, #4, #5 pins
   18 
   19 Example:
   20 
   21 &i2c {
   22         ak4458: dac@10 {
   23                 compatible = "asahi-kasei,ak4458";
   24                 reg = <0x10>;
   25                 reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>
   26                 mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>
   27         };
   28 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/ak4458.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/ak4458.txt