rt5668.txt

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    1 RT5668B audio CODEC
    2 
    3 This device supports I2C only.
    4 
    5 Required properties:
    6 
    7 - compatible : "realtek,rt5668b"
    8 
    9 - reg : The I2C address of the device.
   10 
   11 Optional properties:
   12 
   13 - interrupts : The CODEC's interrupt output.
   14 
   15 - realtek,dmic1-data-pin
   16   0: dmic1 is not used
   17   1: using GPIO2 pin as dmic1 data pin
   18   2: using GPIO5 pin as dmic1 data pin
   19 
   20 - realtek,dmic1-clk-pin
   21   0: using GPIO1 pin as dmic1 clock pin
   22   1: using GPIO3 pin as dmic1 clock pin
   23 
   24 - realtek,jd-src
   25   0: No JD is used
   26   1: using JD1 as JD source
   27 
   28 - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
   29 
   30 Pins on the device (for linking into audio routes) for RT5668B:
   31 
   32   * DMIC L1
   33   * DMIC R1
   34   * IN1P
   35   * HPOL
   36   * HPOR
   37 
   38 Example:
   39 
   40 rt5668 {
   41         compatible = "realtek,rt5668b";
   42         reg = <0x1a>;
   43         interrupt-parent = <&gpio>;
   44         interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>;
   45         realtek,ldo1-en-gpios =
   46                 <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
   47         realtek,dmic1-data-pin = <1>;
   48         realtek,dmic1-clk-pin = <1>;
   49         realtek,jd-src = <1>;
   50 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/sound/rt5668.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/sound/rt5668.txt