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1RT5668B audio CODEC2 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-pin16 0: dmic1 is not used17 1: using GPIO2 pin as dmic1 data pin18 2: using GPIO5 pin as dmic1 data pin19 20- realtek,dmic1-clk-pin21 0: using GPIO1 pin as dmic1 clock pin22 1: using GPIO3 pin as dmic1 clock pin23 24- realtek,jd-src25 0: No JD is used26 1: using JD1 as JD source27 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 L133 * DMIC R134 * IN1P35 * HPOL36 * HPOR37 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