This patch adds Cygnus audio DMA driver. It supports playback
and capture modes and uses ringbuffers for data transfer.
Signed-off-by: NLori Hikichi <lhikichi@broadcom.com>
Signed-off-by: NSimran Rai <ssimran@broadcom.com>
Reviewed-by: NRay Jui <rjui@broadcom.com>
Reviewed-by: NArun Parameswaran <arunp@broadcom.com>
Reviewed-by: NScott Branden <sbranden@broadcom.com>
Signed-off-by: NMark Brown <broonie@kernel.org>