drivers/rambus: add TRNG-IP-76 driver
Add Rambus (InsideSecure) TRNG-IP-76 HW RNG driver.
This IP is part of Marvell Armada CP110/CP115 die integrated
to Armada 7k/8K/CN913x SoCs
Change-Id: I9c5f510ad6728c7ed168da43d85b19d5852cd873
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Reviewed-by: Stefan Chulski <stefanc@marvell.com>
diff --git a/include/drivers/rambus/trng_ip_76.h b/include/drivers/rambus/trng_ip_76.h
new file mode 100644
index 0000000..6de8fc7
--- /dev/null
+++ b/include/drivers/rambus/trng_ip_76.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2020, Marvell Technology Group Ltd. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#ifndef __TRNG_IP_76_H__
+#define __TRNG_IP_76_H__
+
+#include <stdbool.h>
+#include <stdint.h>
+
+int32_t eip76_rng_read_rand_buf(void *data, bool wait);
+int32_t eip76_rng_probe(uintptr_t base_addr);
+int32_t eip76_rng_get_random(uint8_t *data, uint32_t len);
+
+#endif /* __TRNG_IP_76_H__ */