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spi: microchip-core-qspi: Add support for microchip fpga qspi controllers

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Add a driver for Microchip FPGA QSPI controllers. This driver also
supports "hard" QSPI controllers on Polarfire SoC.

Signed-off-by: Naga Sureshkumar Relli <nagasuresh.relli@microchip.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20220808064603.1174906-4-nagasuresh.relli@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Naga Sureshkumar Relli
2022-08-08 12:16:02 +05:30
committed by Mark Brown
parent 2ba464e5a3
commit 8596124c4c
3 changed files with 610 additions and 0 deletions
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9
drivers/spi/Kconfig
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@@ -591,6 +591,15 @@ config SPI_MICROCHIP_CORE
PolarFire SoC.
If built as a module, it will be called spi-microchip-core.
config SPI_MICROCHIP_CORE_QSPI
tristate "Microchip FPGA QSPI controllers"
depends on SPI_MASTER
help
This enables the QSPI driver for Microchip FPGA QSPI controllers.
Say Y or M here if you want to use the QSPI controllers on
PolarFire SoC.
If built as a module, it will be called spi-microchip-core-qspi.
config SPI_MT65XX
tristate "MediaTek SPI controller"
depends on ARCH_MEDIATEK || COMPILE_TEST

1
drivers/spi/Makefile
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@@ -73,6 +73,7 @@ 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_MICROCHIP_CORE) += spi-microchip-core.o
obj-$(CONFIG_SPI_MICROCHIP_CORE_QSPI) += spi-microchip-core-qspi.o
obj-$(CONFIG_SPI_MPC512x_PSC) += spi-mpc512x-psc.o
obj-$(CONFIG_SPI_MPC52xx_PSC) += spi-mpc52xx-psc.o
obj-$(CONFIG_SPI_MPC52xx) += spi-mpc52xx.o

600
drivers/spi/spi-microchip-core-qspi.c Normal file
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