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 156049af00SSugar Zhang- clocks: The phandle of the master clock to the CODEC 166049af00SSugar Zhang- clock-names: Should be "mclk" 176049af00SSugar Zhang 18dcad9f03SStephen Warren- realtek,in1-differential 19dcad9f03SStephen Warren- realtek,in2-differential 2016566e47SOder Chiou- realtek,in3-differential 2116566e47SOder Chiou Boolean. Indicate MIC1/2/3 input are differential, rather than single-ended. 22dcad9f03SStephen Warren 23*d8510532SOndrej Jirman- realtek,lout-differential 24*d8510532SOndrej Jirman Boolean. Indicate LOUT output is differential, rather than stereo. 25*d8510532SOndrej Jirman 26dcad9f03SStephen Warren- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. 27dcad9f03SStephen Warren 28e9e7a3bdSHans de Goede- realtek,dmic1-data-pin 29e9e7a3bdSHans de Goede 0: dmic1 is not used 30e9e7a3bdSHans de Goede 1: using IN1P pin as dmic1 data pin 31e9e7a3bdSHans de Goede 2: using GPIO3 pin as dmic1 data pin 32e9e7a3bdSHans de Goede 33e9e7a3bdSHans de Goede- realtek,dmic2-data-pin 34e9e7a3bdSHans de Goede 0: dmic2 is not used 35e9e7a3bdSHans de Goede 1: using IN1N pin as dmic2 data pin 36e9e7a3bdSHans de Goede 2: using GPIO4 pin as dmic2 data pin 37e9e7a3bdSHans de Goede 38e9e7a3bdSHans de Goede- realtek,jack-detect-source 39e9e7a3bdSHans de Goede u32. Valid values: 40e9e7a3bdSHans de Goede 0: jack-detect is not used 41e9e7a3bdSHans de Goede 1: Use GPIO1 for jack-detect 42e9e7a3bdSHans de Goede 2: Use JD1_IN4P for jack-detect 43e9e7a3bdSHans de Goede 3: Use JD2_IN4N for jack-detect 44e9e7a3bdSHans de Goede 4: Use GPIO2 for jack-detect 45e9e7a3bdSHans de Goede 5: Use GPIO3 for jack-detect 46e9e7a3bdSHans de Goede 6: Use GPIO4 for jack-detect 47e9e7a3bdSHans de Goede 48e9e7a3bdSHans de Goede- realtek,jack-detect-not-inverted 49e9e7a3bdSHans de Goede bool. Normal jack-detect switches give an inverted signal, set this bool 50e9e7a3bdSHans de Goede in the rare case you've a jack-detect switch which is not inverted. 51e9e7a3bdSHans de Goede 52e9e7a3bdSHans de Goede- realtek,over-current-threshold-microamp 53e9e7a3bdSHans de Goede u32, micbias over-current detection threshold in µA, valid values are 54e9e7a3bdSHans de Goede 600, 1500 and 2000µA. 55e9e7a3bdSHans de Goede 56e9e7a3bdSHans de Goede- realtek,over-current-scale-factor 57e9e7a3bdSHans de Goede u32, micbias over-current detection scale-factor, valid values are: 58e9e7a3bdSHans de Goede 0: Scale current by 0.5 59e9e7a3bdSHans de Goede 1: Scale current by 0.75 60e9e7a3bdSHans de Goede 2: Scale current by 1.0 61e9e7a3bdSHans de Goede 3: Scale current by 1.5 62e9e7a3bdSHans de Goede 63908b7032SOder ChiouPins on the device (for linking into audio routes) for RT5639/RT5640: 64b33d1f08SMark Brown 65b33d1f08SMark Brown * DMIC1 66b33d1f08SMark Brown * DMIC2 67b33d1f08SMark Brown * MICBIAS1 68b33d1f08SMark Brown * IN1P 69841fdde1SOder Chiou * IN1N 70b33d1f08SMark Brown * IN2P 71841fdde1SOder Chiou * IN2N 7216566e47SOder Chiou * IN3P 7316566e47SOder Chiou * IN3N 74b33d1f08SMark Brown * HPOL 75b33d1f08SMark Brown * HPOR 76b33d1f08SMark Brown * LOUTL 77b33d1f08SMark Brown * LOUTR 78b33d1f08SMark Brown * SPOLP 79b33d1f08SMark Brown * SPOLN 80b33d1f08SMark Brown * SPORP 81b33d1f08SMark Brown * SPORN 82b33d1f08SMark Brown 83908b7032SOder ChiouAdditional pins on the device for RT5640: 84908b7032SOder Chiou 85908b7032SOder Chiou * MONOP 86908b7032SOder Chiou * MONON 87908b7032SOder Chiou 88dcad9f03SStephen WarrenExample: 89dcad9f03SStephen Warren 90dcad9f03SStephen Warrenrt5640 { 91dcad9f03SStephen Warren compatible = "realtek,rt5640"; 92dcad9f03SStephen Warren reg = <0x1c>; 93dcad9f03SStephen Warren interrupt-parent = <&gpio>; 94abe42b09SKrzysztof Kozlowski interrupts = <TEGRA_GPIO(W, 3) IRQ_TYPE_LEVEL_HIGH>; 95dcad9f03SStephen Warren realtek,ldo1-en-gpios = 96dcad9f03SStephen Warren <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>; 97dcad9f03SStephen Warren}; 98