1 RT5665/RT5666 audio CODEC !! 1 RT5665/RT5666/RT5668 audio CODEC
2 2
3 This device supports I2C only. 3 This device supports I2C only.
4 4
5 Required properties: 5 Required properties:
6 6
7 - compatible : One of "realtek,rt5665", "realt !! 7 - compatible : One of "realtek,rt5665", "realtek,rt5666" or "realtek,rt5668".
8 8
9 - reg : The I2C address of the device. 9 - reg : The I2C address of the device.
10 10
11 - interrupts : The CODEC's interrupt output. 11 - interrupts : The CODEC's interrupt output.
12 12
13 Optional properties: 13 Optional properties:
14 14
15 - realtek,in1-differential 15 - realtek,in1-differential
16 - realtek,in2-differential 16 - realtek,in2-differential
17 - realtek,in3-differential 17 - realtek,in3-differential
18 - realtek,in4-differential 18 - realtek,in4-differential
19 Boolean. Indicate MIC1/2/3/4 input are diffe 19 Boolean. Indicate MIC1/2/3/4 input are differential, rather than single-ended.
20 20
21 - realtek,dmic1-data-pin 21 - realtek,dmic1-data-pin
22 0: dmic1 is not used 22 0: dmic1 is not used
23 1: using GPIO4 pin as dmic1 data pin 23 1: using GPIO4 pin as dmic1 data pin
24 2: using IN2N pin as dmic2 data pin 24 2: using IN2N pin as dmic2 data pin
25 25
26 - realtek,dmic2-data-pin 26 - realtek,dmic2-data-pin
27 0: dmic2 is not used 27 0: dmic2 is not used
28 1: using GPIO5 pin as dmic2 data pin 28 1: using GPIO5 pin as dmic2 data pin
29 2: using IN2P pin as dmic2 data pin 29 2: using IN2P pin as dmic2 data pin
30 30
31 - realtek,jd-src 31 - realtek,jd-src
32 0: No JD is used 32 0: No JD is used
33 1: using JD1 as JD source 33 1: using JD1 as JD source
34 34
35 - realtek,ldo1-en-gpios : The GPIO that contro 35 - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
36 36
37 Pins on the device (for linking into audio rou 37 Pins on the device (for linking into audio routes) for RT5659/RT5658:
38 38
39 * DMIC L1 39 * DMIC L1
40 * DMIC R1 40 * DMIC R1
41 * DMIC L2 41 * DMIC L2
42 * DMIC R2 42 * DMIC R2
43 * IN1P 43 * IN1P
44 * IN1N 44 * IN1N
45 * IN2P 45 * IN2P
46 * IN2N 46 * IN2N
47 * IN3P 47 * IN3P
48 * IN3N 48 * IN3N
49 * IN4P 49 * IN4P
50 * IN4N 50 * IN4N
51 * HPOL 51 * HPOL
52 * HPOR 52 * HPOR
53 * LOUTL 53 * LOUTL
54 * LOUTR 54 * LOUTR
55 * MONOOUT 55 * MONOOUT
56 * PDML 56 * PDML
57 * PDMR 57 * PDMR
58 58
59 Example: 59 Example:
60 60
61 rt5659 { 61 rt5659 {
62 compatible = "realtek,rt5665"; 62 compatible = "realtek,rt5665";
63 reg = <0x1b>; 63 reg = <0x1b>;
64 interrupt-parent = <&gpio>; 64 interrupt-parent = <&gpio>;
65 interrupts = <TEGRA_GPIO(W, 3) IRQ_TYP !! 65 interrupts = <TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>;
66 realtek,ldo1-en-gpios = 66 realtek,ldo1-en-gpios =
67 <&gpio TEGRA_GPIO(V, 3) GPIO_A 67 <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>;
68 }; 68 };
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