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 | ||
6049af00 SZ |
15 | - clocks: The phandle of the master clock to the CODEC |
16 | - clock-names: Should be "mclk" | |
17 | ||
dcad9f03 SW |
18 | - realtek,in1-differential |
19 | - realtek,in2-differential | |
16566e47 OC |
20 | - realtek,in3-differential |
21 | Boolean. Indicate MIC1/2/3 input are differential, rather than single-ended. | |
dcad9f03 SW |
22 | |
23 | - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. | |
24 | ||
908b7032 | 25 | Pins on the device (for linking into audio routes) for RT5639/RT5640: |
b33d1f08 MB |
26 | |
27 | * DMIC1 | |
28 | * DMIC2 | |
29 | * MICBIAS1 | |
30 | * IN1P | |
841fdde1 | 31 | * IN1N |
b33d1f08 | 32 | * IN2P |
841fdde1 | 33 | * IN2N |
16566e47 OC |
34 | * IN3P |
35 | * IN3N | |
b33d1f08 MB |
36 | * HPOL |
37 | * HPOR | |
38 | * LOUTL | |
39 | * LOUTR | |
b33d1f08 MB |
40 | * SPOLP |
41 | * SPOLN | |
42 | * SPORP | |
43 | * SPORN | |
44 | ||
908b7032 OC |
45 | Additional pins on the device for RT5640: |
46 | ||
47 | * MONOP | |
48 | * MONON | |
49 | ||
dcad9f03 SW |
50 | Example: |
51 | ||
52 | rt5640 { | |
53 | compatible = "realtek,rt5640"; | |
54 | reg = <0x1c>; | |
55 | interrupt-parent = <&gpio>; | |
56 | interrupts = <TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>; | |
57 | realtek,ldo1-en-gpios = | |
58 | <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>; | |
59 | }; |