1908b7032SOder ChiouRT5640/RT5639 audio CODEC 2dcad9f03SStephen Warren 3dcad9f03SStephen WarrenThis device supports I2C only. 4dcad9f03SStephen Warren 5dcad9f03SStephen WarrenRequired properties: 6dcad9f03SStephen Warren 7908b7032SOder Chiou- compatible : One of "realtek,rt5640" or "realtek,rt5639". 8dcad9f03SStephen Warren 9dcad9f03SStephen Warren- reg : The I2C address of the device. 10dcad9f03SStephen Warren 11dcad9f03SStephen Warren- interrupts : The CODEC's interrupt output. 12dcad9f03SStephen Warren 13dcad9f03SStephen WarrenOptional properties: 14dcad9f03SStephen Warren 15dcad9f03SStephen Warren- realtek,in1-differential 16dcad9f03SStephen Warren- realtek,in2-differential 1716566e47SOder Chiou- realtek,in3-differential 1816566e47SOder Chiou Boolean. Indicate MIC1/2/3 input are differential, rather than single-ended. 19dcad9f03SStephen Warren 20dcad9f03SStephen Warren- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. 21dcad9f03SStephen Warren 22908b7032SOder ChiouPins on the device (for linking into audio routes) for RT5639/RT5640: 23b33d1f08SMark Brown 24b33d1f08SMark Brown * DMIC1 25b33d1f08SMark Brown * DMIC2 26b33d1f08SMark Brown * MICBIAS1 27b33d1f08SMark Brown * IN1P 28841fdde1SOder Chiou * IN1N 29b33d1f08SMark Brown * IN2P 30841fdde1SOder Chiou * IN2N 3116566e47SOder Chiou * IN3P 3216566e47SOder Chiou * IN3N 33b33d1f08SMark Brown * HPOL 34b33d1f08SMark Brown * HPOR 35b33d1f08SMark Brown * LOUTL 36b33d1f08SMark Brown * LOUTR 37b33d1f08SMark Brown * SPOLP 38b33d1f08SMark Brown * SPOLN 39b33d1f08SMark Brown * SPORP 40b33d1f08SMark Brown * SPORN 41b33d1f08SMark Brown 42908b7032SOder ChiouAdditional pins on the device for RT5640: 43908b7032SOder Chiou 44908b7032SOder Chiou * MONOP 45908b7032SOder Chiou * MONON 46908b7032SOder Chiou 47dcad9f03SStephen WarrenExample: 48dcad9f03SStephen Warren 49dcad9f03SStephen Warrenrt5640 { 50dcad9f03SStephen Warren compatible = "realtek,rt5640"; 51dcad9f03SStephen Warren reg = <0x1c>; 52dcad9f03SStephen Warren interrupt-parent = <&gpio>; 53dcad9f03SStephen Warren interrupts = <TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>; 54dcad9f03SStephen Warren realtek,ldo1-en-gpios = 55dcad9f03SStephen Warren <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>; 56dcad9f03SStephen Warren}; 57