diff --git a/boards/arm/nrf9160_pca10090/nrf9160_pca10090_defconfig b/boards/arm/nrf9160_pca10090/nrf9160_pca10090_defconfig
index e294ecedbf4..9224147c39f 100644
--- a/boards/arm/nrf9160_pca10090/nrf9160_pca10090_defconfig
+++ b/boards/arm/nrf9160_pca10090/nrf9160_pca10090_defconfig
@@ -25,6 +25,3 @@ CONFIG_UART_CONSOLE=y
 
 # additional board options
 CONFIG_GPIO_AS_PINRESET=y
-
-# entropy driver doesn't support nRF9160 yet
-CONFIG_ENTROPY_NRF5_RNG=n
diff --git a/boards/arm/nrf9160_pca10090/nrf9160_pca10090ns_defconfig b/boards/arm/nrf9160_pca10090/nrf9160_pca10090ns_defconfig
index 27fc0cbe677..d0c5d82b921 100644
--- a/boards/arm/nrf9160_pca10090/nrf9160_pca10090ns_defconfig
+++ b/boards/arm/nrf9160_pca10090/nrf9160_pca10090ns_defconfig
@@ -28,6 +28,3 @@ CONFIG_UART_CONSOLE=y
 
 # additional board options
 CONFIG_GPIO_AS_PINRESET=y
-
-# entropy driver doesn't support nRF9160 yet
-CONFIG_ENTROPY_NRF5_RNG=n
diff --git a/boards/posix/nrf52_bsim/Kconfig b/boards/posix/nrf52_bsim/Kconfig
index 65618654e50..159327977bf 100644
--- a/boards/posix/nrf52_bsim/Kconfig
+++ b/boards/posix/nrf52_bsim/Kconfig
@@ -2,6 +2,12 @@
 
 if BOARD_NRF52_BSIM
 
+# The following file is normally parsed only for the ARM architecture, which is
+# used by Nordic SoCs, so to make the symbols defined in this file available for
+# the simulated nrf52_bsim board, which uses the POSIX architecture, the file
+# must be read also from here.
+source "soc/arm/nordic_nrf/Kconfig.peripherals"
+
 comment "NRF52_BSIM options"
 
 config PRINTK_HOOK_INIT_PRIORITY
diff --git a/boards/posix/nrf52_bsim/Kconfig.board b/boards/posix/nrf52_bsim/Kconfig.board
index 4c33c7feef6..c29cf83ec90 100644
--- a/boards/posix/nrf52_bsim/Kconfig.board
+++ b/boards/posix/nrf52_bsim/Kconfig.board
@@ -10,6 +10,10 @@ config BOARD_NRF52_BSIM
 	select CONSOLE_HAS_DRIVER
 	select NRF_RTC_TIMER
 	select CLOCK_CONTROL
+	# Indicate that the nRF RNG peripheral is present (actually a model
+	# of it), so that the corresponding driver becomes available (see
+	# dependencies of the ENTROPY_NRF5_RNG option).
+	select HAS_HW_NRF_RNG
 	help
 	  Will produce a console Linux process which can be executed natively.
 	  It needs the BabbleSim simulator both in compile time and to execute
diff --git a/drivers/entropy/Kconfig.nrf5 b/drivers/entropy/Kconfig.nrf5
index 8d9aefee6ff..b64e03f5a41 100644
--- a/drivers/entropy/Kconfig.nrf5
+++ b/drivers/entropy/Kconfig.nrf5
@@ -16,7 +16,7 @@ if !ENTROPY_NRF_FORCE_ALT
 
 menuconfig ENTROPY_NRF5_RNG
 	bool "nRF5 RNG driver"
-	depends on SOC_COMPATIBLE_NRF
+	depends on HAS_HW_NRF_RNG
 	select ENTROPY_HAS_DRIVER
 	default y
 	help