| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | # SPDX-License-Identifier: GPL-2.0-only |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | menu "LPDDR & LPDDR2 PCM memory drivers" |
| 3 | depends on MTD |
| 4 | |
| 5 | config MTD_LPDDR |
| 6 | tristate "Support for LPDDR flash chips" |
| 7 | select MTD_QINFO_PROBE |
| 8 | help |
| 9 | This option enables support of LPDDR (Low power double data rate) |
| 10 | flash chips. Synonymous with Mobile-DDR. It is a new standard for |
| 11 | DDR memories, intended for battery-operated systems. |
| 12 | |
| 13 | config MTD_QINFO_PROBE |
| 14 | depends on MTD_LPDDR |
| 15 | tristate "Detect flash chips by QINFO probe" |
| 16 | help |
| 17 | Device Information for LPDDR chips is offered through the Overlay |
| 18 | Window QINFO interface, permits software to be used for entire |
| 19 | families of devices. This serves similar purpose of CFI on legacy |
| 20 | Flash products |
| 21 | |
| 22 | config MTD_LPDDR2_NVM |
| 23 | # ARM dependency is only for writel_relaxed() |
| 24 | depends on MTD && ARM |
| 25 | tristate "Support for LPDDR2-NVM flash chips" |
| 26 | help |
| 27 | This option enables support of PCM memories with a LPDDR2-NVM |
| 28 | (Low power double data rate 2) interface. |
| 29 | |
| 30 | endmenu |