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author | Steffen Trumtrar <s.trumtrar@pengutronix.de> | 2019-05-03 11:33:57 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2019-05-08 10:52:51 +0200 |
commit | 62a84b8ba20831898e4dd6db76f0226285c79339 (patch) | |
tree | f268802bcae7926d15200ce92a187af0193b9572 /drivers/spi/Kconfig | |
parent | 48312c55f5d018b5ed71be5fd94da494271889c1 (diff) | |
download | barebox-62a84b8ba20831898e4dd6db76f0226285c79339.tar.gz barebox-62a84b8ba20831898e4dd6db76f0226285c79339.tar.xz |
spi: add driver for Freescale QSPI controller
This is based on the Linux v5.1-rc1 driver introduced with the commit:
commit 84d043185dbe0d1b4f6db575bd91c834d37e2f78
Refs: v5.0-rc1-1-g84d043185dbe
Author: Frieder Schrempf <frieder.schrempf@kontron.de>
AuthorDate: Mon Jan 7 09:29:47 2019 +0000
Commit: Mark Brown <broonie@kernel.org>
CommitDate: Mon Jan 7 16:56:24 2019 +0000
spi: Add a driver for the Freescale/NXP QuadSPI controller
This driver is derived from the SPI NOR driver at
mtd/spi-nor/fsl-quadspi.c. It uses the new SPI memory interface
of the SPI framework to issue flash memory operations to up to
four connected flash chips (2 buses with 2 CS each).
The controller does not support generic SPI messages.
This patch also disables the build of the "old" driver and reuses
its Kconfig option CONFIG_SPI_FSL_QUADSPI to replace it.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Han Xu <han.xu@nxp.com>
Reviewed-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Tested-by: Yogesh Gaur <yogeshnarayan.gaur@nxp.com>
Tested-by: Han Xu <han.xu@nxp.com>
Reviewed-by: Boris Brezillon <bbrezillon@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/spi/Kconfig')
-rw-r--r-- | drivers/spi/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 650292541f..d687105ea4 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -25,6 +25,17 @@ config DRIVER_SPI_ATMEL bool "Atmel (AT91) SPI Master driver" depends on ARCH_AT91 +config DRIVER_SPI_FSL_QUADSPI + bool "Freescale QSPI controller" + depends on ARCH_IMX25 || ARCH_IMX31 || ARCH_IMX35 || ARCH_IMX50 || ARCH_IMX53 || ARCH_LAYERSCAPE + depends on SPI_MEM + help + This enables support for the Quad SPI controller in master mode. + Up to four flash chips can be connected on two buses with two + chipselects each. + This controller does not support generic SPI messages. It only + supports the high-level SPI memory interface. + config DRIVER_SPI_GPIO bool "GPIO SPI Master driver" depends on GPIOLIB |