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author | Bard Liao <bardliao@realtek.com> | 2016-11-14 11:00:10 +0800 |
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committer | Mark Brown <broonie@kernel.org> | 2016-11-14 11:37:57 +0000 |
commit | 33ada14a26c8f174dac8765f4236ca66c64ae5be (patch) | |
tree | 349d605c737c84d2362f9d53c8317d5cc9709c5b /Documentation | |
parent | 134340b33f2ddf4869519d728ad0ca4bc67154f3 (diff) | |
download | linux-33ada14a26c8f174dac8765f4236ca66c64ae5be.tar.gz linux-33ada14a26c8f174dac8765f4236ca66c64ae5be.tar.bz2 linux-33ada14a26c8f174dac8765f4236ca66c64ae5be.zip |
ASoC: add rt5665 codec driver
This is the initial codec driver for rt5665.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
-rwxr-xr-x | Documentation/devicetree/bindings/sound/rt5665.txt | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt5665.txt b/Documentation/devicetree/bindings/sound/rt5665.txt new file mode 100755 index 000000000000..419c89219681 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rt5665.txt @@ -0,0 +1,68 @@ +RT5665/RT5666/RT5668 audio CODEC + +This device supports I2C only. + +Required properties: + +- compatible : One of "realtek,rt5665", "realtek,rt5666" or "realtek,rt5668". + +- reg : The I2C address of the device. + +- interrupts : The CODEC's interrupt output. + +Optional properties: + +- realtek,in1-differential +- realtek,in2-differential +- realtek,in3-differential +- realtek,in4-differential + Boolean. Indicate MIC1/2/3/4 input are differential, rather than single-ended. + +- realtek,dmic1-data-pin + 0: dmic1 is not used + 1: using GPIO4 pin as dmic1 data pin + 2: using IN2N pin as dmic2 data pin + +- realtek,dmic2-data-pin + 0: dmic2 is not used + 1: using GPIO5 pin as dmic2 data pin + 2: using IN2P pin as dmic2 data pin + +- realtek,jd-src + 0: No JD is used + 1: using JD1 as JD source + +- realtek,ldo1-en-gpios : The GPIO that controls the CODEC's LDO1_EN pin. + +Pins on the device (for linking into audio routes) for RT5659/RT5658: + + * DMIC L1 + * DMIC R1 + * DMIC L2 + * DMIC R2 + * IN1P + * IN1N + * IN2P + * IN2N + * IN3P + * IN3N + * IN4P + * IN4N + * HPOL + * HPOR + * LOUTL + * LOUTR + * MONOOUT + * PDML + * PDMR + +Example: + +rt5659 { + compatible = "realtek,rt5665"; + reg = <0x1b>; + interrupt-parent = <&gpio>; + interrupts = <TEGRA_GPIO(W, 3) GPIO_ACTIVE_HIGH>; + realtek,ldo1-en-gpios = + <&gpio TEGRA_GPIO(V, 3) GPIO_ACTIVE_HIGH>; +}; |