xref: /openbmc/linux/drivers/mtd/lpddr/Kconfig (revision 842ed298)
1# SPDX-License-Identifier: GPL-2.0-only
2menu "LPDDR & LPDDR2 PCM memory drivers"
3	depends on MTD
4
5config 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
13config 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
22config 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
30endmenu
31