1*c66ec88fSEmmanuel Vadot* Amlogic Audio PDM input 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotRequired properties: 4*c66ec88fSEmmanuel Vadot- compatible: 'amlogic,axg-pdm' or 5*c66ec88fSEmmanuel Vadot 'amlogic,g12a-pdm' or 6*c66ec88fSEmmanuel Vadot 'amlogic,sm1-pdm' 7*c66ec88fSEmmanuel Vadot- reg: physical base address of the controller and length of memory 8*c66ec88fSEmmanuel Vadot mapped region. 9*c66ec88fSEmmanuel Vadot- clocks: list of clock phandle, one for each entry clock-names. 10*c66ec88fSEmmanuel Vadot- clock-names: should contain the following: 11*c66ec88fSEmmanuel Vadot * "pclk" : peripheral clock. 12*c66ec88fSEmmanuel Vadot * "dclk" : pdm digital clock 13*c66ec88fSEmmanuel Vadot * "sysclk" : dsp system clock 14*c66ec88fSEmmanuel Vadot- #sound-dai-cells: must be 0. 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel VadotOptional property: 17*c66ec88fSEmmanuel Vadot- resets: phandle to the dedicated reset line of the pdm input. 18*c66ec88fSEmmanuel Vadot 19*c66ec88fSEmmanuel VadotExample of PDM on the A113 SoC: 20*c66ec88fSEmmanuel Vadot 21*c66ec88fSEmmanuel Vadotpdm: audio-controller@ff632000 { 22*c66ec88fSEmmanuel Vadot compatible = "amlogic,axg-pdm"; 23*c66ec88fSEmmanuel Vadot reg = <0x0 0xff632000 0x0 0x34>; 24*c66ec88fSEmmanuel Vadot #sound-dai-cells = <0>; 25*c66ec88fSEmmanuel Vadot clocks = <&clkc_audio AUD_CLKID_PDM>, 26*c66ec88fSEmmanuel Vadot <&clkc_audio AUD_CLKID_PDM_DCLK>, 27*c66ec88fSEmmanuel Vadot <&clkc_audio AUD_CLKID_PDM_SYSCLK>; 28*c66ec88fSEmmanuel Vadot clock-names = "pclk", "dclk", "sysclk"; 29*c66ec88fSEmmanuel Vadot}; 30