1*c66ec88fSEmmanuel VadotDevice-Tree bindings for Xilinx I2S PL block 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotThe IP supports I2S based playback/capture audio 4*c66ec88fSEmmanuel Vadot 5*c66ec88fSEmmanuel VadotRequired property: 6*c66ec88fSEmmanuel Vadot - compatible: "xlnx,i2s-transmitter-1.0" for playback and 7*c66ec88fSEmmanuel Vadot "xlnx,i2s-receiver-1.0" for capture 8*c66ec88fSEmmanuel Vadot 9*c66ec88fSEmmanuel VadotRequired property common to both I2S playback and capture: 10*c66ec88fSEmmanuel Vadot - reg: Base address and size of the IP core instance. 11*c66ec88fSEmmanuel Vadot - xlnx,dwidth: sample data width. Can be any of 16, 24. 12*c66ec88fSEmmanuel Vadot - xlnx,num-channels: Number of I2S streams. Can be any of 1, 2, 3, 4. 13*c66ec88fSEmmanuel Vadot supported channels = 2 * xlnx,num-channels 14*c66ec88fSEmmanuel Vadot 15*c66ec88fSEmmanuel VadotExample: 16*c66ec88fSEmmanuel Vadot 17*c66ec88fSEmmanuel Vadot i2s_receiver@a0080000 { 18*c66ec88fSEmmanuel Vadot compatible = "xlnx,i2s-receiver-1.0"; 19*c66ec88fSEmmanuel Vadot reg = <0x0 0xa0080000 0x0 0x10000>; 20*c66ec88fSEmmanuel Vadot xlnx,dwidth = <0x18>; 21*c66ec88fSEmmanuel Vadot xlnx,num-channels = <1>; 22*c66ec88fSEmmanuel Vadot }; 23*c66ec88fSEmmanuel Vadot i2s_transmitter@a0090000 { 24*c66ec88fSEmmanuel Vadot compatible = "xlnx,i2s-transmitter-1.0"; 25*c66ec88fSEmmanuel Vadot reg = <0x0 0xa0090000 0x0 0x10000>; 26*c66ec88fSEmmanuel Vadot xlnx,dwidth = <0x18>; 27*c66ec88fSEmmanuel Vadot xlnx,num-channels = <1>; 28*c66ec88fSEmmanuel Vadot }; 29