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Commit 3270ac23 authored by Purna Chandra Mandal's avatar Purna Chandra Mandal Committed by Mark Brown
Browse files

spi: pic32-sqi: add SPI driver for PIC32 SQI controller. 



This driver implements SPI master interface for Quad SPI
controller, specifically for accessing quad SPI flash.
It uses descriptor-based DMA transfer mode and supports
half-duplex communication for single, dual and quad SPI
transactions.

Signed-off-by: default avatarPurna Chandra Mandal <purna.mandal@microchip.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 0a4afaae

drivers/spi/Kconfig

+6 −0
Original line number Diff line number Diff line
@@ -442,6 +442,12 @@ config SPI_PIC32 
	help

	  SPI driver for Microchip PIC32 SPI master controller.



config SPI_PIC32_SQI

	tristate "Microchip PIC32 Quad SPI driver"

	depends on MACH_PIC32 || COMPILE_TEST

	help

	  SPI driver for PIC32 Quad SPI controller.



config SPI_PL022

	tristate "ARM AMBA PL022 SSP controller"

	depends on ARM_AMBA

drivers/spi/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -63,6 +63,7 @@ obj-$(CONFIG_SPI_OMAP24XX) += spi-omap2-mcspi.o 
obj-$(CONFIG_SPI_TI_QSPI)		+= spi-ti-qspi.o

obj-$(CONFIG_SPI_ORION)			+= spi-orion.o

obj-$(CONFIG_SPI_PIC32)			+= spi-pic32.o

obj-$(CONFIG_SPI_PIC32_SQI)		+= spi-pic32-sqi.o

obj-$(CONFIG_SPI_PL022)			+= spi-pl022.o

obj-$(CONFIG_SPI_PPC4xx)		+= spi-ppc4xx.o

spi-pxa2xx-platform-objs		:= spi-pxa2xx.o spi-pxa2xx-dma.o

drivers/spi/spi-pic32-sqi.c

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