2019-05-19 20:07:45 +08:00
|
|
|
# SPDX-License-Identifier: GPL-2.0-only
|
2014-05-16 05:19:32 +08:00
|
|
|
menu "LPDDR & LPDDR2 PCM memory drivers"
|
|
|
|
|
depends on MTD
|
2008-12-17 02:24:14 +08:00
|
|
|
|
|
|
|
|
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
|
2009-01-07 01:36:09 +08:00
|
|
|
depends on MTD_LPDDR
|
2008-12-17 02:24:14 +08:00
|
|
|
tristate "Detect flash chips by QINFO probe"
|
|
|
|
|
help
|
2018-07-18 23:09:52 +08:00
|
|
|
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
|
2014-05-16 05:19:32 +08:00
|
|
|
|
|
|
|
|
config MTD_LPDDR2_NVM
|
2014-05-22 04:25:46 +08:00
|
|
|
# ARM dependency is only for writel_relaxed()
|
|
|
|
|
depends on MTD && ARM
|
2014-05-16 05:19:32 +08:00
|
|
|
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.
|
|
|
|
|
|
2008-12-17 02:24:14 +08:00
|
|
|
endmenu
|
