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| author | Gao Pan | 2016-11-22 14:52:17 +0100 |
|---|---|---|
| committer | Mark Brown | 2016-11-22 20:13:16 +0100 |
| commit | 5314987de5e5f5e38436ef4a69328bc472bbd63e (patch) | |
| tree | f56b1f5c10fb2dce70a3544ae7b7709ed4860e18 /drivers/spi/Kconfig | |
| parent | Linux 4.9-rc1 (diff) | |
| download | kernel-qcow2-linux-5314987de5e5f5e38436ef4a69328bc472bbd63e.tar.gz kernel-qcow2-linux-5314987de5e5f5e38436ef4a69328bc472bbd63e.tar.xz kernel-qcow2-linux-5314987de5e5f5e38436ef4a69328bc472bbd63e.zip | |
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>
Diffstat (limited to 'drivers/spi/Kconfig')
| -rw-r--r-- | drivers/spi/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index b7995474148c..91ae18035b6b 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -264,6 +264,12 @@ config SPI_FALCON has only been tested with m25p80 type chips. The hardware has no support for other types of SPI peripherals. +config SPI_FSL_LPSPI + tristate "Freescale i.MX LPSPI controller" + depends on ARCH_MXC || COMPILE_TEST + help + This enables Freescale i.MX LPSPI controllers in master mode. + config SPI_GPIO tristate "GPIO-based bitbanging SPI Master" depends on GPIOLIB || COMPILE_TEST |