arm: iproc: Initial commit of iproc architecture code

The iproc architecture code is present in several Broadcom
chip architectures, including Cygnus and NSP.

Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Steve Rae <srae@broadcom.com>
diff --git a/arch/arm/include/asm/iproc-common/armpll.h b/arch/arm/include/asm/iproc-common/armpll.h
new file mode 100644
index 0000000..1bee350
--- /dev/null
+++ b/arch/arm/include/asm/iproc-common/armpll.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright 2014 Broadcom Corporation.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __ARMPLL_H
+#define __ARMPLL_H
+
+#include <linux/types.h>
+
+uint32_t armpll_config(uint32_t clkmhz);
+
+#endif /*__ARMPLL_H */