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spi: Add Meson SPICC driver

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The SPICC hardware block on the Amlogic SoCs is Communication oriented and
can do Full-Duplex 8- to 32-bit width SPI transfers up to 30MHz.

The current driver only supportd the PIO transfer mode since the DMA seems
broken on available hardware.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Neil Armstrong
2017-05-24 18:19:25 +01:00
committed by Mark Brown
parent 01a330da0c
commit 454fa271bc
3 changed files with 627 additions and 0 deletions
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drivers/spi/Kconfig
+7
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@@ -393,6 +393,13 @@ config SPI_FSL_ESPI
From MPC8536, 85xx platform uses the controller, and all P10xx, From MPC8536, 85xx platform uses the controller, and all P10xx,
P20xx, P30xx,P40xx, P50xx uses this controller. P20xx, P30xx,P40xx, P50xx uses this controller.
config SPI_MESON_SPICC
tristate "Amlogic Meson SPICC controller"
depends on ARCH_MESON || COMPILE_TEST
help
This enables master mode support for the SPICC (SPI communication
controller) available in Amlogic Meson SoCs.
config SPI_MESON_SPIFC config SPI_MESON_SPIFC
tristate "Amlogic Meson SPIFC controller" tristate "Amlogic Meson SPIFC controller"
depends on ARCH_MESON || COMPILE_TEST depends on ARCH_MESON || COMPILE_TEST
drivers/spi/Makefile
+1
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@@ -53,6 +53,7 @@ obj-$(CONFIG_SPI_LANTIQ_SSC) += spi-lantiq-ssc.o
obj-$(CONFIG_SPI_JCORE) += spi-jcore.o obj-$(CONFIG_SPI_JCORE) += spi-jcore.o
obj-$(CONFIG_SPI_LM70_LLP) += spi-lm70llp.o obj-$(CONFIG_SPI_LM70_LLP) += spi-lm70llp.o
obj-$(CONFIG_SPI_LP8841_RTC) += spi-lp8841-rtc.o obj-$(CONFIG_SPI_LP8841_RTC) += spi-lp8841-rtc.o
obj-$(CONFIG_SPI_MESON_SPICC) += spi-meson-spicc.o
obj-$(CONFIG_SPI_MESON_SPIFC) += spi-meson-spifc.o obj-$(CONFIG_SPI_MESON_SPIFC) += spi-meson-spifc.o
obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mpc512x-psc.o obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mpc512x-psc.o
obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o
drivers/spi/spi-meson-spicc.c
+619
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