Documentation/devicetree/bindings/sound/rt5659.txt

   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
  41 - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
  42 - realtek,reset-gpios : The GPIO that controls the CODEC's RESET pin.
  43
  44 Pins on the device (for linking into audio routes) for RT5659/RT5658:
  45
  46   * DMIC L1
  47   * DMIC R1
  48   * DMIC L2
  49   * DMIC R2
  50   * IN1P
  51   * IN1N
  52   * IN2P
  53   * IN2N
  54   * IN3P
  55   * IN3N
  56   * IN4P
  57   * IN4N
  58   * HPOL
  59   * HPOR
  60   * SPOL
  61   * SPOR
  62   * LOUTL
  63   * LOUTR
  64   * MONOOUT
  65   * PDML
  66   * PDMR
  67   * SPDIF
  68
  69 Example:
  70
  71 rt5659 {
  72         compatible = "realtek,rt5659";
  73         reg = <0x1b>;
  74         interrupt-parent = <&gpio>;
  75         interrupts = <TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>;
  76         realtek,ldo1-en-gpios =
  77                 <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
  78 };