kernel/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt

   1 * Qualcomm Technologies LPASS CPU DAI
   2
   3 This node models the Qualcomm Technologies Low-Power Audio SubSystem (LPASS).
   4
   5 Required properties:
   6
   7 - compatible            : "qcom,lpass-cpu"
   8 - clocks                : Must contain an entry for each entry in clock-names.
   9 - clock-names           : A list which must include the following entries:
  10                                 * "ahbix-clk"
  11                                 * "mi2s-osr-clk"
  12                                 * "mi2s-bit-clk"
  13 - interrupts            : Must contain an entry for each entry in
  14                           interrupt-names.
  15 - interrupt-names       : A list which must include the following entries:
  16                                 * "lpass-irq-lpaif"
  17 - pinctrl-N             : One property must exist for each entry in
  18                           pinctrl-names.  See ../pinctrl/pinctrl-bindings.txt
  19                           for details of the property values.
  20 - pinctrl-names         : Must contain a "default" entry.
  21 - reg                   : Must contain an address for each entry in reg-names.
  22 - reg-names             : A list which must include the following entries:
  23                                 * "lpass-lpaif"
  24
  25 Optional properties:
  26
  27 - qcom,adsp             : Phandle for the audio DSP node
  28
  29 Example:
  30
  31 lpass@28100000 {
  32         compatible = "qcom,lpass-cpu";
  33         clocks = <&lcc AHBIX_CLK>, <&lcc MI2S_OSR_CLK>, <&lcc MI2S_BIT_CLK>;
  34         clock-names = "ahbix-clk", "mi2s-osr-clk", "mi2s-bit-clk";
  35         interrupts = <0 85 1>;
  36         interrupt-names = "lpass-irq-lpaif";
  37         pinctrl-names = "default", "idle";
  38         pinctrl-0 = <&mi2s_default>;
  39         pinctrl-1 = <&mi2s_idle>;
  40         reg = <0x28100000 0x10000>;
  41         reg-names = "lpass-lpaif";
  42         qcom,adsp = <&adsp>;
  43 };