1Dialog Semiconductor DA7212/DA7213 Audio Codec bindings 2 3====== 4 5Required properties: 6- compatible : Should be "dlg,da7212" or "dlg,da7213" 7- reg: Specifies the I2C slave address 8 9Optional properties: 10- clocks : phandle and clock specifier for codec MCLK. 11- clock-names : Clock name string for 'clocks' attribute, should be "mclk". 12 13- dlg,micbias1-lvl : Voltage (mV) for Mic Bias 1 14 [<1600>, <2200>, <2500>, <3000>] 15- dlg,micbias2-lvl : Voltage (mV) for Mic Bias 2 16 [<1600>, <2200>, <2500>, <3000>] 17- dlg,dmic-data-sel : DMIC channel select based on clock edge. 18 ["lrise_rfall", "lfall_rrise"] 19- dlg,dmic-samplephase : When to sample audio from DMIC. 20 ["on_clkedge", "between_clkedge"] 21- dlg,dmic-clkrate : DMIC clock frequency (Hz). 22 [<1500000>, <3000000>] 23 24 - VDDA-supply : Regulator phandle for Analogue power supply 25 - VDDMIC-supply : Regulator phandle for Mic Bias 26 - VDDIO-supply : Regulator phandle for I/O power supply 27 28====== 29 30Example: 31 32 codec_i2c: da7213@1a { 33 compatible = "dlg,da7213"; 34 reg = <0x1a>; 35 36 clocks = <&clks 201>; 37 clock-names = "mclk"; 38 39 dlg,micbias1-lvl = <2500>; 40 dlg,micbias2-lvl = <2500>; 41 42 dlg,dmic-data-sel = "lrise_rfall"; 43 dlg,dmic-samplephase = "between_clkedge"; 44 dlg,dmic-clkrate = <3000000>; 45 }; 46