drivers: flash: RRAMC regions

Adding definition of regions granularity to Kconfig.

Signed-off-by: Mateusz Michalek <[email protected]>

Author: michalek-no

drivers/flash/Kconfig.nrf_rram

@@ -67,4 +67,17 @@ config SOC_FLASH_NRF_TIMEOUT_MULTIPLIER
 	  the multiplication would allow erasing all nRF flash pages in
 	  blocking mode.
 
+config NRF_RRAM_REGION_ADDRESS_RESOLUTION
+	hex
+	default 0x400
+	help
+	  RRAMC's region protection address resolution.
+	  Applies to region with configurable start address.
+
+config NRF_RRAM_REGION_SIZE_UNIT
+	hex
+	default 0x400
+	help
+	  Base unit for the size of RRAMC's region protection.
+
 endif # SOC_FLASH_NRF_RRAM