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# Copyright (c) 2021 Google Inc
# SPDX-License-Identifier: Apache-2.0
config BBRAM_NPCX
bool "Nuvoton NPCX embedded controller (EC) Battery-backed RAM drivers"
default y
depends on DT_HAS_NUVOTON_NPCX_BBRAM_ENABLED
help
This option enables the BBRAM driver for NPCX family of processors.
config BBRAM_NPCX_EMUL
bool "Emulator for the NPCX BBRAM driver"
default y
depends on BBRAM_NPCX
depends on EMUL
help
Enable the emulator for the NPCX BBRAM.
config BBRAM_NPCX_STATUS_REG_WRITE_WORKAROUND
bool
default y if SOC_SERIES_NPCX4
help
Workaround the issue documented in NPCX49nF errata rev1_5, No.2.30.
A write operation to the BKUP_STS register might disable write to all
the Battery-Backed RAM. The workaround is to read the BKUP_STS
register after every write to this register.
config BBRAM_NPCX_EX
bool "Extended NPCX BBRAM driver support"
default y
depends on $(dt_compat_any_has_prop,$(DT_COMPAT_NUVOTON_NPCX_BBRAM),support-npckn-v1,True)
help
This option enables extended BBRAM support for NPCKn variant of
processors.