diff --git a/arch/sandbox/include/asm/power-domain.h b/arch/sandbox/include/asm/power-domain.h
new file mode 100644
index 0000000..cad3885
--- /dev/null
+++ b/arch/sandbox/include/asm/power-domain.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2016, NVIDIA CORPORATION.
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#ifndef __SANDBOX_POWER_DOMAIN_H
+#define __SANDBOX_POWER_DOMAIN_H
+
+#include <common.h>
+
+struct udevice;
+
+int sandbox_power_domain_query(struct udevice *dev, unsigned long id);
+
+int sandbox_power_domain_test_get(struct udevice *dev);
+int sandbox_power_domain_test_on(struct udevice *dev);
+int sandbox_power_domain_test_off(struct udevice *dev);
+int sandbox_power_domain_test_free(struct udevice *dev);
+
+#endif