1 RT5682 audio CODEC 2 3 This device supports I2C only. 4 5 Required properties: 6 7 - compatible : "realtek,rt5682" or "realtek,rt 8 9 - reg : The I2C address of the device. 10 11 - AVDD-supply: phandle to the regulator supply 12 AVDD pin 13 14 - MICVDD-supply: phandle to the regulator supp 15 bias through the MICVDD pin. Either MICVDD o 16 17 - VBAT-supply: phandle to the regulator supply 18 VBAT pin. Either MICVDD or VBAT should be pr 19 20 - DBVDD-supply: phandle to the regulator suppl 21 pin. 22 23 - LDO1-IN-supply: phandle to the regulator sup 24 and charge pump through the LDO1_IN pin. 25 26 Optional properties: 27 28 - interrupts : The CODEC's interrupt output. 29 30 - realtek,dmic1-data-pin 31 0: dmic1 is not used 32 1: using GPIO2 pin as dmic1 data pin 33 2: using GPIO5 pin as dmic1 data pin 34 35 - realtek,dmic1-clk-pin 36 0: using GPIO1 pin as dmic1 clock pin 37 1: using GPIO3 pin as dmic1 clock pin 38 39 - realtek,jd-src 40 0: No JD is used 41 1: using JD1 as JD source 42 43 - realtek,ldo1-en-gpios : The GPIO that contro 44 45 - realtek,btndet-delay 46 The debounce delay for push button. 47 The delay time is realtek,btndet-delay value 48 If absent, the default is 16. 49 50 - #clock-cells : Should be set to '<1>', wclk 51 - clock-output-names : Name given for DAI cloc 52 53 - clocks : phandle and clock specifier for cod 54 - clock-names : Clock name string for 'clocks' 55 56 - realtek,dmic-clk-rate-hz : Set the clock rat 57 the particular DMIC. 58 59 - realtek,dmic-delay-ms : Set the delay time ( 60 the particular DMIC. 61 62 - realtek,dmic-clk-driving-high : Set the high 63 64 - #sound-dai-cells: Should be set to '<1>'. 65 66 Pins on the device (for linking into audio rou 67 68 * DMIC L1 69 * DMIC R1 70 * IN1P 71 * HPOL 72 * HPOR 73 74 Example: 75 76 rt5682 { 77 compatible = "realtek,rt5682i"; 78 reg = <0x1a>; 79 interrupt-parent = <&gpio>; 80 interrupts = <TEGRA_GPIO(U, 6) IRQ_TYP 81 realtek,ldo1-en-gpios = 82 <&gpio TEGRA_GPIO(R, 2) GPIO_A 83 realtek,dmic1-data-pin = <1>; 84 realtek,dmic1-clk-pin = <1>; 85 realtek,jd-src = <1>; 86 realtek,btndet-delay = <16>; 87 88 #clock-cells = <1>; 89 clock-output-names = "rt5682-dai-wclk" 90 91 clocks = <&osc>; 92 clock-names = "mclk"; 93 94 AVDD-supply = <&avdd_reg>; 95 MICVDD-supply = <&micvdd_reg>; 96 DBVDD-supply = <&dbvdd_reg>; 97 LDO1-IN-supply = <&ldo1_in_reg>; 98 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.