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spi: spi-mem: Add support for Zynq QSPI controller

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Add support for QSPI controller driver used by Xilinx Zynq SOC.

Signed-off-by: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Naga Sureshkumar Relli
2019-04-01 13:29:13 +05:30
committed by Mark Brown
parent d2920ef5d0
commit 67dca5e580
3 changed files with 771 additions and 1 deletions
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10
drivers/spi/Kconfig
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@@ -848,9 +848,17 @@ config SPI_XTENSA_XTFPGA
16 bit words in SPI mode 0, automatically asserting CS on transfer
start and deasserting on end.
config SPI_ZYNQ_QSPI
tristate "Xilinx Zynq QSPI controller"
depends on ARCH_ZYNQ || COMPILE_TEST
help
This enables support for the Zynq Quad SPI controller
in master mode.
This controller only supports SPI memory interface.
config SPI_ZYNQMP_GQSPI
tristate "Xilinx ZynqMP GQSPI controller"
depends on SPI_MASTER && HAS_DMA
depends on (SPI_MASTER && HAS_DMA) || COMPILE_TEST
help
Enables Xilinx GQSPI controller driver for Zynq UltraScale+ MPSoC.

1
drivers/spi/Makefile
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@@ -119,6 +119,7 @@ obj-$(CONFIG_SPI_XCOMM) += spi-xcomm.o
obj-$(CONFIG_SPI_XILINX) += spi-xilinx.o
obj-$(CONFIG_SPI_XLP) += spi-xlp.o
obj-$(CONFIG_SPI_XTENSA_XTFPGA) += spi-xtensa-xtfpga.o
obj-$(CONFIG_SPI_ZYNQ_QSPI) += spi-zynq-qspi.o
obj-$(CONFIG_SPI_ZYNQMP_GQSPI) += spi-zynqmp-gqspi.o
# SPI slave protocol handlers

761
drivers/spi/spi-zynq-qspi.c Normal file
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