This commit workarounds the BBRAM status register write issue in npcx4:
A write operation to the BKUP_STS register might disable write to all
the Battery-Backed RAM (BBRM). The workaround is to perform a fake read
from the BKUP_STS register after every write to this register.
Signed-off-by: Jun Lin <CHLin56@nuvoton.com>
Bits in the BBRAM status register (BKUP_STS) are write-1-to-clear bits.
The current driver writes 0 to clear those bits, which is incorrect.
Fix it in this commit.
Signed-off-by: Jun Lin <CHLin56@nuvoton.com>
Remove all init functions that do nothing, and provide a `NULL` to
*DEVICE*DEFINE* macros.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
In order to bring consistency in-tree, migrate all drivers to the new
prefix <zephyr/...>. Note that the conversion has been scripted, refer
to #45388 for more details.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
There was a typo that snuck into the bbram driver for npcx.
Fix the driver and update the Kconfig to automatically include the
driver if the compatible string exists in the dts. This ensures that
the driver is built when building the npcx evbs.
Signed-off-by: Yuval Peress <peress@chromium.org>
