diff --git a/arch/sandbox/dts/test.dts b/arch/sandbox/dts/test.dts
index 57513a449fab24c5169ddfffe4a685cf7f523eb6..4ea8fea674d0148455d1cc1bbb356b369a9fe756 100644
--- a/arch/sandbox/dts/test.dts
+++ b/arch/sandbox/dts/test.dts
@@ -630,6 +630,10 @@
 		reset-names = "other", "test";
 	};
 
+	rng {
+		compatible = "sandbox,sandbox-rng";
+	};
+
 	rproc_1: rproc@1 {
 		compatible = "sandbox,test-processor";
 		remoteproc-name = "remoteproc-test-dev1";
diff --git a/drivers/rng/Kconfig b/drivers/rng/Kconfig
index c9c475128edb100cef8faf03dab3ee86cf73b69d..35a3bd192aa94ea1bf210c7e406db4119aad4e28 100644
--- a/drivers/rng/Kconfig
+++ b/drivers/rng/Kconfig
@@ -6,6 +6,14 @@ config DM_RNG
 	  This interface is used to initialise the rng device and to
 	  read the random seed from the device.
 
+config RNG_SANDBOX
+	bool "Sandbox random number generator"
+	depends on SANDBOX && DM_RNG
+	select CONFIG_LIB_RAND
+	help
+	  Enable random number generator for sandbox. This is an
+	  emulation of a rng device.
+
 config RNG_STM32MP1
 	bool "Enable random number generator for STM32MP1"
 	depends on ARCH_STM32MP && DM_RNG
diff --git a/drivers/rng/Makefile b/drivers/rng/Makefile
index 699beb383b12c6bd29eed00e6fe88a6add8f8282..35170055415846a59239d46cce93d790a2ad70e7 100644
--- a/drivers/rng/Makefile
+++ b/drivers/rng/Makefile
@@ -4,4 +4,5 @@
 #
 
 obj-$(CONFIG_DM_RNG) += rng-uclass.o
+obj-$(CONFIG_RNG_SANDBOX) += sandbox_rng.o
 obj-$(CONFIG_RNG_STM32MP1) += stm32mp1_rng.o
diff --git a/drivers/rng/sandbox_rng.c b/drivers/rng/sandbox_rng.c
new file mode 100644
index 0000000000000000000000000000000000000000..cd0b0ac77b6af0b38ac0b35bcab41e5003593cc2
--- /dev/null
+++ b/drivers/rng/sandbox_rng.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2019, Linaro Limited
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <rng.h>
+
+#include <linux/string.h>
+
+static int sandbox_rng_read(struct udevice *dev, void *data, size_t len)
+{
+	unsigned int i, seed, random;
+	unsigned char *buf = data;
+	size_t nrem, nloops;
+
+	if (!len)
+		return 0;
+
+	nloops = len / sizeof(random);
+	seed = get_timer(0) ^ rand();
+	srand(seed);
+
+	for (i = 0, nrem = len; i < nloops; i++) {
+		random = rand();
+		memcpy(buf, &random, sizeof(random));
+		buf += sizeof(random);
+		nrem -= sizeof(random);
+	}
+
+	if (nrem) {
+		random = rand();
+		memcpy(buf, &random, nrem);
+	}
+
+	return 0;
+}
+
+static const struct dm_rng_ops sandbox_rng_ops = {
+	.read = sandbox_rng_read,
+};
+
+static const struct udevice_id sandbox_rng_match[] = {
+	{
+		.compatible = "sandbox,sandbox-rng",
+	},
+	{},
+};
+
+U_BOOT_DRIVER(sandbox_rng) = {
+	.name = "sandbox-rng",
+	.id = UCLASS_RNG,
+	.of_match = sandbox_rng_match,
+	.ops = &sandbox_rng_ops,
+};