rt5659.txt

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    1 RT5659/RT5658 audio CODEC
    2 
    3 This device supports I2C only.
    4 
    5 Required properties:
    6 
    7 - compatible : One of "realtek,rt5659" or "realtek,rt5658".
    8 
    9 - reg : The I2C address of the device.
   10 
   11 - interrupts : The CODEC's interrupt output.
   12 
   13 Optional properties:
   14 
   15 - clocks: The phandle of the master clock to the CODEC
   16 - clock-names: Should be "mclk"
   17 
   18 - realtek,in1-differential
   19 - realtek,in3-differential
   20 - realtek,in4-differential
   21   Boolean. Indicate MIC1/3/4 input are differential, rather than single-ended.
   22 
   23 - realtek,dmic1-data-pin
   24   0: dmic1 is not used
   25   1: using IN2N pin as dmic1 data pin
   26   2: using GPIO5 pin as dmic1 data pin
   27   3: using GPIO9 pin as dmic1 data pin
   28   4: using GPIO11 pin as dmic1 data pin
   29 
   30 - realtek,dmic2-data-pin
   31   0: dmic2 is not used
   32   1: using IN2P pin as dmic2 data pin
   33   2: using GPIO6 pin as dmic2 data pin
   34   3: using GPIO10 pin as dmic2 data pin
   35   4: using GPIO12 pin as dmic2 data pin
   36 
   37 - realtek,jd-src
   38   0: No JD is used
   39   1: using JD3 as JD source
   40   2: JD source for Intel HDA header
   41 
   42 - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
   43 - realtek,reset-gpios : The GPIO that controls the CODEC's RESET pin.
   44 
   45 - sound-name-prefix: Please refer to name-prefix.yaml
   46 
   47 - ports: A Codec may have a single or multiple I2S interfaces. These
   48   interfaces on Codec side can be described under 'ports' or 'port'.
   49   When the SoC or host device is connected to multiple interfaces of
   50   the Codec, the connectivity can be described using 'ports' property.
   51   If a single interface is used, then 'port' can be used. The usage
   52   depends on the platform or board design.
   53   Please refer to Documentation/devicetree/bindings/graph.txt
   54 
   55 Pins on the device (for linking into audio routes) for RT5659/RT5658:
   56 
   57   * DMIC L1
   58   * DMIC R1
   59   * DMIC L2
   60   * DMIC R2
   61   * IN1P
   62   * IN1N
   63   * IN2P
   64   * IN2N
   65   * IN3P
   66   * IN3N
   67   * IN4P
   68   * IN4N
   69   * HPOL
   70   * HPOR
   71   * SPOL
   72   * SPOR
   73   * LOUTL
   74   * LOUTR
   75   * MONOOUT
   76   * PDML
   77   * PDMR
   78   * SPDIF
   79 
   80 Example:
   81 
   82 rt5659 {
   83         compatible = "realtek,rt5659";
   84         reg = <0x1b>;
   85         interrupt-parent = <&gpio>;
   86         interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_HIGH>;
   87         realtek,ldo1-en-gpios =
   88                 <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
   89 };

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sys/contrib/device-tree/Bindings/sound/rt5659.txt