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(parent: 1001354) | patch
spi: imx: add lpspi bus driver
authorGao Pan <pandy.gao@nxp.com>
Tue, 22 Nov 2016 13:52:17 +0000 (21:52 +0800)
committerMark Brown <broonie@kernel.org>
Tue, 22 Nov 2016 19:13:16 +0000 (19:13 +0000)
commit5314987de5e5f5e38436ef4a69328bc472bbd63e
treef56b1f5c10fb2dce70a3544ae7b7709ed4860e18tree | snapshot
parent1001354ca34179f3db924eb66672442a173147dccommit | diff
spi: imx: add lpspi bus driver

This patch adds lpspi driver to support new i.MX products which use
lpspi instead of ecspi.

The lpspi can continue operating in stop mode when an appropriate
clock is available. It is also designed for low CPU overhead with
DMA offloading of FIFO register accesses.

Signed-off-by: Gao Pan <pandy.gao@nxp.com>
Reviewed-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/Kconfig diff | blob | history
drivers/spi/Makefile diff | blob | history
drivers/spi/spi-fsl-lpspi.c [new file with mode: 0644] blob
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