spi: Add Atmel QuadSPI driver
authorTudor Ambarus <tudor.ambarus@microchip.com>
Tue, 18 Jun 2019 08:51:50 +0000 (08:51 +0000)
committerEugen Hristev <eugen.hristev@microchip.com>
Tue, 9 Jul 2019 06:26:43 +0000 (09:26 +0300)
commit24c8ff4684c5ee8c4300a1c7cafb4d3ede41260e
tree0f4a25be6f66ec7542feb46e438ef454cdbfbecf
parente5aee22e4be75e75a854ab64503fc80598bc2004
spi: Add Atmel QuadSPI driver

Backport the driver from linux v5.1-rc5 and adapt it for u-boot.
Tested on sama5d2_xplained Rev B with mx25l25635e spi-nor flash.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
drivers/spi/Kconfig
drivers/spi/Makefile
drivers/spi/atmel-quadspi.c [new file with mode: 0644]