spi: npcm-fiu: add NPCM FIU controller driver
Add Nuvoton NPCM BMC Flash Interface Unit(FIU) SPI master controller driver using SPI-MEM interface. The FIU supports single, dual or quad communication interface. the FIU controller can operate in following modes: - User Mode Access(UMA): provides flash access by using an indirect address/data mechanism. - direct rd/wr mode: maps the flash memory into the core address space. - SPI-X mode: used for an expansion bus to an ASIC or CPLD. Signed-off-by: NTomer Maimon <tmaimon77@gmail.com> Link: https://lore.kernel.org/r/20190828142513.228556-3-tmaimon77@gmail.comSigned-off-by: NMark Brown <broonie@kernel.org>
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drivers/spi/spi-npcm-fiu.c
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此差异已折叠。
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