1ec8f24b7SThomas Gleixner# SPDX-License-Identifier: GPL-2.0-only 296ba9dd6SVincenzo Alibertimenu "LPDDR & LPDDR2 PCM memory drivers" 396ba9dd6SVincenzo Aliberti depends on MTD 460f26520SAlexey Korolev 560f26520SAlexey Korolevconfig MTD_LPDDR 660f26520SAlexey Korolev tristate "Support for LPDDR flash chips" 760f26520SAlexey Korolev select MTD_QINFO_PROBE 860f26520SAlexey Korolev help 960f26520SAlexey Korolev This option enables support of LPDDR (Low power double data rate) 1060f26520SAlexey Korolev flash chips. Synonymous with Mobile-DDR. It is a new standard for 1160f26520SAlexey Korolev DDR memories, intended for battery-operated systems. 1260f26520SAlexey Korolev 1360f26520SAlexey Korolevconfig MTD_QINFO_PROBE 1457c1a24eSAlexey Korolev depends on MTD_LPDDR 1560f26520SAlexey Korolev tristate "Detect flash chips by QINFO probe" 1660f26520SAlexey Korolev help 1760f26520SAlexey Korolev Device Information for LPDDR chips is offered through the Overlay 1860f26520SAlexey Korolev Window QINFO interface, permits software to be used for entire 1960f26520SAlexey Korolev families of devices. This serves similar purpose of CFI on legacy 2060f26520SAlexey Korolev Flash products 2196ba9dd6SVincenzo Aliberti 2296ba9dd6SVincenzo Aliberticonfig MTD_LPDDR2_NVM 23897f3a18SBrian Norris # ARM dependency is only for writel_relaxed() 24897f3a18SBrian Norris depends on MTD && ARM 2596ba9dd6SVincenzo Aliberti tristate "Support for LPDDR2-NVM flash chips" 2696ba9dd6SVincenzo Aliberti help 2796ba9dd6SVincenzo Aliberti This option enables support of PCM memories with a LPDDR2-NVM 2896ba9dd6SVincenzo Aliberti (Low power double data rate 2) interface. 2996ba9dd6SVincenzo Aliberti 3060f26520SAlexey Korolevendmenu 31