1*4882a593SmuzhiyunRT5682 audio CODEC 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunThis device supports I2C only. 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunRequired properties: 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun- compatible : "realtek,rt5682" or "realtek,rt5682i" 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun- reg : The I2C address of the device. 10*4882a593Smuzhiyun 11*4882a593SmuzhiyunOptional properties: 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun- interrupts : The CODEC's interrupt output. 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun- realtek,dmic1-data-pin 16*4882a593Smuzhiyun 0: dmic1 is not used 17*4882a593Smuzhiyun 1: using GPIO2 pin as dmic1 data pin 18*4882a593Smuzhiyun 2: using GPIO5 pin as dmic1 data pin 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun- realtek,dmic1-clk-pin 21*4882a593Smuzhiyun 0: using GPIO1 pin as dmic1 clock pin 22*4882a593Smuzhiyun 1: using GPIO3 pin as dmic1 clock pin 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun- realtek,jd-src 25*4882a593Smuzhiyun 0: No JD is used 26*4882a593Smuzhiyun 1: using JD1 as JD source 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun- realtek,btndet-delay 31*4882a593Smuzhiyun The debounce delay for push button. 32*4882a593Smuzhiyun The delay time is realtek,btndet-delay value multiple of 8.192 ms. 33*4882a593Smuzhiyun If absent, the default is 16. 34*4882a593Smuzhiyun 35*4882a593Smuzhiyun- #clock-cells : Should be set to '<1>', wclk and bclk sources provided. 36*4882a593Smuzhiyun- clock-output-names : Name given for DAI clocks output. 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun- clocks : phandle and clock specifier for codec MCLK. 39*4882a593Smuzhiyun- clock-names : Clock name string for 'clocks' attribute, should be "mclk". 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun- realtek,dmic-clk-rate-hz : Set the clock rate (hz) for the requirement of 42*4882a593Smuzhiyun the particular DMIC. 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun- realtek,dmic-delay-ms : Set the delay time (ms) for the requirement of 45*4882a593Smuzhiyun the particular DMIC. 46*4882a593Smuzhiyun 47*4882a593SmuzhiyunPins on the device (for linking into audio routes) for RT5682: 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun * DMIC L1 50*4882a593Smuzhiyun * DMIC R1 51*4882a593Smuzhiyun * IN1P 52*4882a593Smuzhiyun * HPOL 53*4882a593Smuzhiyun * HPOR 54*4882a593Smuzhiyun 55*4882a593SmuzhiyunExample: 56*4882a593Smuzhiyun 57*4882a593Smuzhiyunrt5682 { 58*4882a593Smuzhiyun compatible = "realtek,rt5682i"; 59*4882a593Smuzhiyun reg = <0x1a>; 60*4882a593Smuzhiyun interrupt-parent = <&gpio>; 61*4882a593Smuzhiyun interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>; 62*4882a593Smuzhiyun realtek,ldo1-en-gpios = 63*4882a593Smuzhiyun <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>; 64*4882a593Smuzhiyun realtek,dmic1-data-pin = <1>; 65*4882a593Smuzhiyun realtek,dmic1-clk-pin = <1>; 66*4882a593Smuzhiyun realtek,jd-src = <1>; 67*4882a593Smuzhiyun realtek,btndet-delay = <16>; 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun #clock-cells = <1>; 70*4882a593Smuzhiyun clock-output-names = "rt5682-dai-wclk", "rt5682-dai-bclk"; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun clocks = <&osc>; 73*4882a593Smuzhiyun clock-names = "mclk"; 74*4882a593Smuzhiyun}; 75