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ASoC: cs4341: Add DT bindings documentation for CS4341 DAC

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This patch adds DT bindings documentation for Cirrus Logic
CS4341 DAC.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mark Brown <broonie@kernel.org>
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Alexander Shiyan 2018-12-20 10:37:08 +03:00 committed by Mark Brown
parent 0f68c396f6
commit 0ddb46080a
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Documentation/devicetree/bindings/sound/cs4341.txt Normal file
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Cirrus Logic CS4341 audio DAC
This device supports both I2C and SPI (configured with pin strapping
on the board).
Required properties:
- compatible: "cirrus,cs4341a"
- reg : the I2C address of the device for I2C, the chip select
number for SPI.
For required properties on I2C-bus, please consult
Documentation/devicetree/bindings/i2c/i2c.txt
For required properties on SPI-bus, please consult
Documentation/devicetree/bindings/spi/spi-bus.txt
Example:
codec: cs4341@0 {
#sound-dai-cells = <0>;
compatible = "cirrus,cs4341a";
reg = <0>;
spi-max-frequency = <6000000>;
};