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memory: stm32-fmc2-ebi: add STM32 FMC2 EBI controller driver 

The driver adds the support for the STMicroelectronics FMC2 EBI controller
found on STM32MP SOCs.

Signed-off-by: Christophe Kerello <christophe.kerello@st.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/1591975362-22009-5-git-send-email-christophe.kerello@st.com
This commit is contained in:
Christophe Kerello 2020-06-12 17:22:40 +02:00 committed by Miquel Raynal
parent 1ab2f86f99
commit 66b8173a19
3 changed files with 1217 additions and 0 deletions
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10
drivers/memory/Kconfig
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@ -174,6 +174,16 @@ config PL353_SMC
This driver is for the ARM PL351/PL353 Static Memory
Controller(SMC) module.
config STM32_FMC2_EBI
tristate "Support for FMC2 External Bus Interface on STM32MP SoCs"
depends on MACH_STM32MP157 || COMPILE_TEST
select MFD_SYSCON
help
Select this option to enable the STM32 FMC2 External Bus Interface
controller. This driver configures the transactions with external
devices (like SRAM, ethernet adapters, FPGAs, LCD displays, ...) on
SOCs containing the FMC2 External Bus Interface.
source "drivers/memory/samsung/Kconfig"
source "drivers/memory/tegra/Kconfig"

1
drivers/memory/Makefile
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@ -22,6 +22,7 @@ obj-$(CONFIG_JZ4780_NEMC) += jz4780-nemc.o
obj-$(CONFIG_MTK_SMI) += mtk-smi.o
obj-$(CONFIG_DA8XX_DDRCTL) += da8xx-ddrctl.o
obj-$(CONFIG_PL353_SMC) += pl353-smc.o
obj-$(CONFIG_STM32_FMC2_EBI) += stm32-fmc2-ebi.o
obj-$(CONFIG_SAMSUNG_MC) += samsung/
obj-$(CONFIG_TEGRA_MC) += tegra/

1206
drivers/memory/stm32-fmc2-ebi.c Normal file
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