Documentation/devicetree/bindings/sound/qcom,wcd9335.txt

   1 QCOM WCD9335 Codec
   2
   3 Qualcomm WCD9335 Codec is a standalone Hi-Fi audio codec IC, supports
   4 Qualcomm Technologies, Inc. (QTI) multimedia solutions, including
   5 the MSM8996, MSM8976, and MSM8956 chipsets. It has in-built
   6 Soundwire controller, interrupt mux. It supports both I2S/I2C and
   7 SLIMbus audio interfaces.
   8
   9 Required properties with SLIMbus Interface:
  10
  11 - compatible:
  12         Usage: required
  13         Value type: <stringlist>
  14         Definition: For SLIMbus interface it should be "slimMID,PID",
  15                     textual representation of Manufacturer ID, Product Code,
  16                     shall be in lower case hexadecimal with leading zeroes
  17                     suppressed.  Refer to slimbus/bus.txt for details.
  18                     Should be:
  19                     "slim217,1a0" for MSM8996 and APQ8096 SoCs with SLIMbus.
  20
  21 - reg
  22         Usage: required
  23         Value type: <u32 u32>
  24         Definition: Should be ('Device index', 'Instance ID')
  25
  26 - interrupts
  27         Usage: required
  28         Value type: <prop-encoded-array>
  29         Definition: Interrupts via WCD INTR1 and INTR2 pins
  30
  31 - interrupt-names:
  32         Usage: required
  33         Value type: <String array>
  34         Definition: Interrupt names of WCD INTR1 and INTR2
  35         Should be: "intr1", "intr2"
  36
  37 - reset-gpios:
  38         Usage: required
  39         Value type: <String Array>
  40         Definition: Reset gpio line
  41
  42 - slim-ifc-dev:
  43         Usage: required
  44         Value type: <phandle>
  45         Definition: SLIM interface device
  46
  47 - clocks:
  48         Usage: required
  49         Value type: <prop-encoded-array>
  50         Definition: See clock-bindings.txt section "consumers". List of
  51                 three clock specifiers for mclk, mclk2 and slimbus clock.
  52
  53 - clock-names:
  54         Usage: required
  55         Value type: <string>
  56         Definition: Must contain "mclk", "mclk2" and "slimbus" strings.
  57
  58 - vdd-buck-supply:
  59         Usage: required
  60         Value type: <phandle>
  61         Definition: Should contain a reference to the 1.8V buck supply
  62
  63 - vdd-buck-sido-supply:
  64         Usage: required
  65         Value type: <phandle>
  66         Definition: Should contain a reference to the 1.8V SIDO buck supply
  67
  68 - vdd-rx-supply:
  69         Usage: required
  70         Value type: <phandle>
  71         Definition: Should contain a reference to the 1.8V rx supply
  72
  73 - vdd-tx-supply:
  74         Usage: required
  75         Value type: <phandle>
  76         Definition: Should contain a reference to the 1.8V tx supply
  77
  78 - vdd-vbat-supply:
  79         Usage: Optional
  80         Value type: <phandle>
  81         Definition: Should contain a reference to the vbat supply
  82
  83 - vdd-micbias-supply:
  84         Usage: required
  85         Value type: <phandle>
  86         Definition: Should contain a reference to the micbias supply
  87
  88 - vdd-io-supply:
  89         Usage: required
  90         Value type: <phandle>
  91         Definition: Should contain a reference to the 1.8V io supply
  92
  93 - interrupt-controller:
  94         Usage: required
  95         Definition: Indicating that this is a interrupt controller
  96
  97 - #interrupt-cells:
  98         Usage: required
  99         Value type: <int>
 100         Definition: should be 1
 101
 102 #sound-dai-cells
 103         Usage: required
 104         Value type: <u32>
 105         Definition: Must be 1
 106
 107 audio-codec@1{
 108         compatible = "slim217,1a0";
 109         reg  = <1 0>;
 110         interrupts = <&msmgpio 54 IRQ_TYPE_LEVEL_HIGH>;
 111         interrupt-names = "intr2"
 112         reset-gpios = <&msmgpio 64 0>;
 113         slim-ifc-dev  = <&wc9335_ifd>;
 114         clock-names = "mclk", "native";
 115         clocks = <&rpmcc RPM_SMD_DIV_CLK1>,
 116                  <&rpmcc RPM_SMD_BB_CLK1>;
 117         vdd-buck-supply = <&pm8994_s4>;
 118         vdd-rx-supply = <&pm8994_s4>;
 119         vdd-buck-sido-supply = <&pm8994_s4>;
 120         vdd-tx-supply = <&pm8994_s4>;
 121         vdd-io-supply = <&pm8994_s4>;
 122         #sound-dai-cells = <1>;
 123 }