162306a36Sopenharmony_ci# SPDX-License-Identifier: GPL-2.0-only 262306a36Sopenharmony_cimenu "LPDDR & LPDDR2 PCM memory drivers" 362306a36Sopenharmony_ci depends on MTD 462306a36Sopenharmony_ci 562306a36Sopenharmony_ciconfig MTD_LPDDR 662306a36Sopenharmony_ci tristate "Support for LPDDR flash chips" 762306a36Sopenharmony_ci select MTD_QINFO_PROBE 862306a36Sopenharmony_ci help 962306a36Sopenharmony_ci This option enables support of LPDDR (Low power double data rate) 1062306a36Sopenharmony_ci flash chips. Synonymous with Mobile-DDR. It is a new standard for 1162306a36Sopenharmony_ci DDR memories, intended for battery-operated systems. 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ciconfig MTD_QINFO_PROBE 1462306a36Sopenharmony_ci depends on MTD_LPDDR 1562306a36Sopenharmony_ci tristate "Detect flash chips by QINFO probe" 1662306a36Sopenharmony_ci help 1762306a36Sopenharmony_ci Device Information for LPDDR chips is offered through the Overlay 1862306a36Sopenharmony_ci Window QINFO interface, permits software to be used for entire 1962306a36Sopenharmony_ci families of devices. This serves similar purpose of CFI on legacy 2062306a36Sopenharmony_ci Flash products 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ciconfig MTD_LPDDR2_NVM 2362306a36Sopenharmony_ci # ARM dependency is only for writel_relaxed() 2462306a36Sopenharmony_ci depends on MTD && ARM 2562306a36Sopenharmony_ci tristate "Support for LPDDR2-NVM flash chips" 2662306a36Sopenharmony_ci help 2762306a36Sopenharmony_ci This option enables support of PCM memories with a LPDDR2-NVM 2862306a36Sopenharmony_ci (Low power double data rate 2) interface. 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciendmenu 31