1 RT5668B audio CODEC
2
3 This device supports I2C only.
4
5 Required properties:
6
7 - compatible : "realtek,rt5668b"
8
9 - reg : The I2C address of the device.
10
11 Optional properties:
12
13 - interrupts : The CODEC's interrupt output.
14
15 - realtek,dmic1-data-pin
16 0: dmic1 is not used
17 1: using GPIO2 pin as dmic1 data pin
18 2: using GPIO5 pin as dmic1 data pin
19
20 - realtek,dmic1-clk-pin
21 0: using GPIO1 pin as dmic1 clock pin
22 1: using GPIO3 pin as dmic1 clock pin
23
24 - realtek,jd-src
25 0: No JD is used
26 1: using JD1 as JD source
27
28 - realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
29
30 Pins on the device (for linking into audio routes) for RT5668B:
31
32 * DMIC L1
33 * DMIC R1
34 * IN1P
35 * HPOL
36 * HPOR
37
38 Example:
39
40 rt5668 {
41 compatible = "realtek,rt5668b";
42 reg = <0x1a>;
43 interrupt-parent = <&gpio>;
44 interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>;
45 realtek,ldo1-en-gpios =
46 <&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
47 realtek,dmic1-data-pin = <1>;
48 realtek,dmic1-clk-pin = <1>;
49 realtek,jd-src = <1>;
50 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.