projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 908b7032 | 1 | RT5640/RT5639 audio CODEC |
| dcad9f03 SW |
2 | |
| 3 | This device supports I2C only. | |
| 4 | ||
| 5 | Required properties: | |
| 6 | ||
| 908b7032 | 7 | - compatible : One of "realtek,rt5640" or "realtek,rt5639". |
| dcad9f03 SW |
8 | |
| 9 | - reg : The I2C address of the device. | |
| 10 | ||
| 11 | - interrupts : The CODEC's interrupt output. | |
| 12 | ||
| 13 | Optional properties: | |
| 14 | ||
| 15 | - realtek,in1-differential | |
| 16 | - realtek,in2-differential | |
| 17 | Boolean. Indicate MIC1/2 input are differential, rather than single-ended. | |
| 18 | ||
| 19 | - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. | |
| 20 | ||
| 908b7032 | 21 | Pins on the device (for linking into audio routes) for RT5639/RT5640: |
| b33d1f08 MB |
22 | |
| 23 | * DMIC1 | |
| 24 | * DMIC2 | |
| 25 | * MICBIAS1 | |
| 26 | * IN1P | |
| 27 | * IN1R | |
| 28 | * IN2P | |
| 29 | * IN2R | |
| 30 | * HPOL | |
| 31 | * HPOR | |
| 32 | * LOUTL | |
| 33 | * LOUTR | |
| b33d1f08 MB |
34 | * SPOLP |
| 35 | * SPOLN | |
| 36 | * SPORP | |
| 37 | * SPORN | |
| 38 | ||
| 908b7032 OC |
39 | Additional pins on the device for RT5640: |
| 40 | ||
| 41 | * MONOP | |
| 42 | * MONON | |
| 43 | ||
| dcad9f03 SW |
44 | Example: |
| 45 | ||
| 46 | rt5640 { | |
| 47 | compatible = "realtek,rt5640"; | |
| 48 | reg = <0x1c>; | |
| 49 | interrupt-parent = <&gpio>; | |
| 50 | interrupts = <TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>; | |
| 51 | realtek,ldo1-en-gpios = | |
| 52 | <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>; | |
| 53 | }; |