| # 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. |
