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spi: spi-pic32: Add PIC32 SPI master driver

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The PIC32 SPI driver is capable of performing SPI transfers
using PIO or external DMA engine. GPIO controlled /CS support
is made default in the driver for correct operation of the
controller. This can be enabled by adding "cs-gpios" property
of the SPI node in board dts file.

Signed-off-by: Purna Chandra Mandal <purna.mandal@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Purna Chandra Mandal
2016-04-01 16:48:50 +05:30
committed by Mark Brown
parent 120e8989eb
commit 1bcb9f8ceb
3 changed files with 895 additions and 0 deletions
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drivers/spi/Kconfig
+6
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@@ -436,6 +436,12 @@ config SPI_ORION
help
This enables using the SPI master controller on the Orion chips.
config SPI_PIC32
tristate "Microchip PIC32 series SPI"
depends on MACH_PIC32 || COMPILE_TEST
help
SPI driver for Microchip PIC32 SPI master controller.
config SPI_PL022
tristate "ARM AMBA PL022 SSP controller"
depends on ARM_AMBA
drivers/spi/Makefile
+1
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@@ -62,6 +62,7 @@ obj-$(CONFIG_SPI_OMAP_100K) += spi-omap-100k.o
obj-$(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_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.c
+888
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