1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyunmenu "LPDDR & LPDDR2 PCM memory drivers" 3*4882a593Smuzhiyun depends on MTD 4*4882a593Smuzhiyun 5*4882a593Smuzhiyunconfig MTD_LPDDR 6*4882a593Smuzhiyun tristate "Support for LPDDR flash chips" 7*4882a593Smuzhiyun select MTD_QINFO_PROBE 8*4882a593Smuzhiyun help 9*4882a593Smuzhiyun This option enables support of LPDDR (Low power double data rate) 10*4882a593Smuzhiyun flash chips. Synonymous with Mobile-DDR. It is a new standard for 11*4882a593Smuzhiyun DDR memories, intended for battery-operated systems. 12*4882a593Smuzhiyun 13*4882a593Smuzhiyunconfig MTD_QINFO_PROBE 14*4882a593Smuzhiyun depends on MTD_LPDDR 15*4882a593Smuzhiyun tristate "Detect flash chips by QINFO probe" 16*4882a593Smuzhiyun help 17*4882a593Smuzhiyun Device Information for LPDDR chips is offered through the Overlay 18*4882a593Smuzhiyun Window QINFO interface, permits software to be used for entire 19*4882a593Smuzhiyun families of devices. This serves similar purpose of CFI on legacy 20*4882a593Smuzhiyun Flash products 21*4882a593Smuzhiyun 22*4882a593Smuzhiyunconfig MTD_LPDDR2_NVM 23*4882a593Smuzhiyun # ARM dependency is only for writel_relaxed() 24*4882a593Smuzhiyun depends on MTD && ARM 25*4882a593Smuzhiyun tristate "Support for LPDDR2-NVM flash chips" 26*4882a593Smuzhiyun help 27*4882a593Smuzhiyun This option enables support of PCM memories with a LPDDR2-NVM 28*4882a593Smuzhiyun (Low power double data rate 2) interface. 29*4882a593Smuzhiyun 30*4882a593Smuzhiyunendmenu 31