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/rohm,bd28623.txt

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    1 ROHM BD28623MUV Class D speaker amplifier for digital input
    2 
    3 This codec does not have any control buses such as I2C, it detect format and
    4 rate of I2S signal automatically. It has two signals that can be connected
    5 to GPIOs: reset and mute.
    6 
    7 Required properties:
    8 - compatible      : should be "rohm,bd28623"
    9 - #sound-dai-cells: should be 0.
   10 - VCCA-supply     : regulator phandle for the VCCA supply
   11 - VCCP1-supply    : regulator phandle for the VCCP1 supply
   12 - VCCP2-supply    : regulator phandle for the VCCP2 supply
   13 
   14 Optional properties:
   15 - reset-gpios     : GPIO specifier for the active low reset line
   16 - mute-gpios      : GPIO specifier for the active low mute line
   17 
   18 Example:
   19 
   20         codec {
   21                 compatible = "rohm,bd28623";
   22                 #sound-dai-cells = <0>;
   23 
   24                 VCCA-supply = <&vcc_reg>;
   25                 VCCP1-supply = <&vcc_reg>;
   26                 VCCP2-supply = <&vcc_reg>;
   27                 reset-gpios = <&gpio 0 GPIO_ACTIVE_LOW>;
   28                 mute-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
   29         };

Cache object: cda5a3268e7cef7c4ee3938e6d915611

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