linux-stable/drivers/mtd/lpddr/Kconfig
Brian Norris 897f3a18b0 mtd: lpddr: fix Kconfig dependency, for I/O accessors
Not all architectures implement a writel_relaxed() accessor. Hopefully
this will change eventually, but for now, this means lpddr2_nvm.c can't
compile on some architectures.

Let's add an ARM dependency for now, and leave a comment so maybe we can
change this in the future.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Cc: Vincenzo Aliberti <vincenzo.aliberti@gmail.com>
2014-05-26 10:38:25 -07:00

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menu "LPDDR & LPDDR2 PCM memory drivers"
depends on MTD
config MTD_LPDDR
tristate "Support for LPDDR flash chips"
select MTD_QINFO_PROBE
help
This option enables support of LPDDR (Low power double data rate)
flash chips. Synonymous with Mobile-DDR. It is a new standard for
DDR memories, intended for battery-operated systems.
config MTD_QINFO_PROBE
depends on MTD_LPDDR
tristate "Detect flash chips by QINFO probe"
help
Device Information for LPDDR chips is offered through the Overlay
Window QINFO interface, permits software to be used for entire
families of devices. This serves similar purpose of CFI on legacy
Flash products
config MTD_LPDDR2_NVM
# ARM dependency is only for writel_relaxed()
depends on MTD && ARM
tristate "Support for LPDDR2-NVM flash chips"
help
This option enables support of PCM memories with a LPDDR2-NVM
(Low power double data rate 2) interface.
endmenu