dmaengine: dw-axi-dmac: Add Intel KeemBay AxiDMA handshake

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Add support for Intel KeemBay AxiDMA device handshake programming.
Device handshake number passed in to the AxiDMA shall be written to
the Intel KeemBay AxiDMA hardware handshake registers before DMA
operations are started.

Signed-off-by: Sia Jee Heng <jee.heng.sia@intel.com>
Tested-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Link: https://lore.kernel.org/r/20210125013255.25799-15-jee.heng.sia@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>

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Sia Jee Heng 2021-01-25 09:32:52 +08:00 • committed by Vinod Koul

parent 3df2d81f87

commit 425c8a53e8

1 changed files with 50 additions and 0 deletions

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drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c

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