Documentation/devicetree/bindings/sound/amlogic,axg-pdm.txt

   1 * Amlogic Audio PDM input
   2
   3 Required properties:
   4 - compatible: 'amlogic,axg-pdm'
   5 - reg: physical base address of the controller and length of memory
   6        mapped region.
   7 - clocks: list of clock phandle, one for each entry clock-names.
   8 - clock-names: should contain the following:
   9   * "pclk"   : peripheral clock.
  10   * "dclk"   : pdm digital clock
  11   * "sysclk" : dsp system clock
  12 - #sound-dai-cells: must be 0.
  13
  14 Example of PDM on the A113 SoC:
  15
  16 pdm: audio-controller@ff632000 {
  17         compatible = "amlogic,axg-pdm";
  18         reg = <0x0 0xff632000 0x0 0x34>;
  19         #sound-dai-cells = <0>;
  20         clocks = <&clkc_audio AUD_CLKID_PDM>,
  21                  <&clkc_audio AUD_CLKID_PDM_DCLK>,
  22                  <&clkc_audio AUD_CLKID_PDM_SYSCLK>;
  23         clock-names = "pclk", "dclk", "sysclk";
  24 };