i2c: qcom-geni: Add support for GPI DMA

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QUP Serial engines supports data transfers thru FIFO mode, SE DMA mode
and lastly GPI DMA mode. Former two are already supported and this adds
supports for the last mode.

In GPI DMA mode, the firmware is issued commands by driver to perform
DMA and setup the serial port.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>

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Vinod Koul 2022-02-21 15:57:16 +05:30 • committed by Wolfram Sang

parent da2e86c0bd

commit d8703554f4

1 changed files with 280 additions and 28 deletions

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308

drivers/i2c/busses/i2c-qcom-geni.c

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