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linux-next/Documentation/devicetree/bindings/sound/ak4458.txt
Shengjiu Wang fc50e26de9
ASoC: dt-bindings: ak4458: Add dsd-path property
Add "dsd-path" property, which is used for ak4497 codec
to select the DSD input pin.

Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1600178220-28973-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-09-17 17:40:12 +01:00

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AK4458 audio DAC
This device supports I2C mode.
Required properties:
- compatible : "asahi-kasei,ak4458" or "asahi-kasei,ak4497"
- reg : The I2C address of the device for I2C
Optional properties:
- reset-gpios: A GPIO specifier for the power down & reset pin
- mute-gpios: A GPIO specifier for the soft mute pin
- AVDD-supply: Analog power supply
- DVDD-supply: Digital power supply
- dsd-path: Select DSD input pins for ak4497
0: select #16, #17, #19 pins
1: select #3, #4, #5 pins
Example:
&i2c {
ak4458: dac@10 {
compatible = "asahi-kasei,ak4458";
reg = <0x10>;
reset-gpios = <&gpio1 10 GPIO_ACTIVE_LOW>
mute-gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>
};
};