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

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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: Purna Chandra Mandal <purna.mandal@microchip.com>
Cc: Mark Brown <broonie@kernel.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Purna Chandra Mandal 2016-04-15 16:57:19 +05:30 • committed by Mark Brown

parent 0a4afaae98

commit 3270ac230f

3 changed files with 775 additions and 0 deletions

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6

drivers/spi/Kconfig

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1

drivers/spi/Makefile

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768

drivers/spi/spi-pic32-sqi.c

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