1RT5651 audio CODEC 2 3This device supports I2C only. 4 5Required properties: 6 7- compatible : "realtek,rt5651". 8 9- reg : The I2C address of the device. 10 11Optional properties: 12 13- realtek,in2-differential 14 Boolean. Indicate MIC2 input are differential, rather than single-ended. 15 16- realtek,dmic-en 17 Boolean. true if dmic is used. 18 19- realtek,jack-detect-source 20 u32. Valid values: 21 1: Use JD1_1 pin for jack-detect 22 2: Use JD1_2 pin for jack-detect 23 3: Use JD2 pin for jack-detect 24 25- realtek,over-current-threshold-microamp 26 u32, micbias over-current detection threshold in µA, valid values are 27 600, 1500 and 2000µA. 28 29- realtek,over-current-scale-factor 30 u32, micbias over-current detection scale-factor, valid values are: 31 0: Scale current by 0.5 32 1: Scale current by 0.75 33 2: Scale current by 1.0 34 3: Scale current by 1.5 35 36Pins on the device (for linking into audio routes) for RT5651: 37 38 * DMIC L1 39 * DMIC R1 40 * IN1P 41 * IN2P 42 * IN2N 43 * IN3P 44 * HPOL 45 * HPOR 46 * LOUTL 47 * LOUTR 48 * PDML 49 * PDMR 50 51Example: 52 53rt5651: codec@1a { 54 compatible = "realtek,rt5651"; 55 reg = <0x1a>; 56 realtek,dmic-en = "true"; 57 realtek,in2-diff = "false"; 58}; 59