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Alexandru Ardelean authored
Add device-tree bindings documentation file for ADAU1977 audio codec. This describes device-tree fields that are already supported by the driver. The driver supports both I2C AND and SPI, and this doc covers both aspects of the DT configuration. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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