This patch adds the devicetree documentation for the ADI AXI-SPDIF audio
controller. The controller has:
* One set of memory mapped register
* Two clocks, one for the memory mapped register interface, one used as the
audio reference clock
* One DMA interface each for the transmit and receive data
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Stephen Warren <swarren@wwwdotorg.org>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: devicetree@vger.kernel.org
Signed-off-by: Mark Brown <broonie@linaro.org>