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