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 | }; |