xref: /openbmc/linux/Documentation/devicetree/bindings/sound/rt5668.txt (revision cbecf716ca618fd44feda6bd9a64a8179d031fc5)
1d59fb285SBard LiaoRT5668B audio CODEC
2d59fb285SBard Liao
3d59fb285SBard LiaoThis device supports I2C only.
4d59fb285SBard Liao
5d59fb285SBard LiaoRequired properties:
6d59fb285SBard Liao
7d59fb285SBard Liao- compatible : "realtek,rt5668b"
8d59fb285SBard Liao
9d59fb285SBard Liao- reg : The I2C address of the device.
10d59fb285SBard Liao
11d59fb285SBard LiaoOptional properties:
12d59fb285SBard Liao
13d59fb285SBard Liao- interrupts : The CODEC's interrupt output.
14d59fb285SBard Liao
15d59fb285SBard Liao- realtek,dmic1-data-pin
16d59fb285SBard Liao  0: dmic1 is not used
17d59fb285SBard Liao  1: using GPIO2 pin as dmic1 data pin
18d59fb285SBard Liao  2: using GPIO5 pin as dmic1 data pin
19d59fb285SBard Liao
20d59fb285SBard Liao- realtek,dmic1-clk-pin
21d59fb285SBard Liao  0: using GPIO1 pin as dmic1 clock pin
22d59fb285SBard Liao  1: using GPIO3 pin as dmic1 clock pin
23d59fb285SBard Liao
24d59fb285SBard Liao- realtek,jd-src
25d59fb285SBard Liao  0: No JD is used
26d59fb285SBard Liao  1: using JD1 as JD source
27d59fb285SBard Liao
28d59fb285SBard Liao- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin.
29d59fb285SBard Liao
30d59fb285SBard LiaoPins on the device (for linking into audio routes) for RT5668B:
31d59fb285SBard Liao
32d59fb285SBard Liao  * DMIC L1
33d59fb285SBard Liao  * DMIC R1
34d59fb285SBard Liao  * IN1P
35d59fb285SBard Liao  * HPOL
36d59fb285SBard Liao  * HPOR
37d59fb285SBard Liao
38d59fb285SBard LiaoExample:
39d59fb285SBard Liao
40d59fb285SBard Liaort5668 {
41d59fb285SBard Liao	compatible = "realtek,rt5668b";
42d59fb285SBard Liao	reg = <0x1a>;
43d59fb285SBard Liao	interrupt-parent = <&gpio>;
44*abe42b09SKrzysztof Kozlowski	interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_LEVEL_HIGH>;
45d59fb285SBard Liao	realtek,ldo1-en-gpios =
46d59fb285SBard Liao		<&gpio TEGRA_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
47d59fb285SBard Liao	realtek,dmic1-data-pin = <1>;
48d59fb285SBard Liao	realtek,dmic1-clk-pin = <1>;
49d59fb285SBard Liao	realtek,jd-src = <1>;
50d59fb285SBard Liao};
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