Document the ADAU7118 8 channel PDM to I2S/TDM converter devicetree
bindings.
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20191010074234.7344-2-nuno.sa@analog.comSigned-off-by: Mark Brown <broonie@kernel.org>