1RT5668B audio CODEC 2 3This device supports I2C only. 4 5Required properties: 6 7- compatible : "realtek,rt5668b" 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 30Pins on the device (for linking into audio routes) for RT5668B: 31 32 * DMIC L1 33 * DMIC R1 34 * IN1P 35 * HPOL 36 * HPOR 37 38Example: 39 40rt5668 { 41 compatible = "realtek,rt5668b"; 42 reg = <0x1a>; 43 interrupt-parent = <&gpio>; 44 interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>; 45 realtek,ldo1-en-gpios = 46 <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>; 47 realtek,dmic1-data-pin = <1>; 48 realtek,dmic1-clk-pin = <1>; 49 realtek,jd-src = <1>; 50}; 51