1 files changed, 50 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/clkt2xxx_sys.c b/arch/arm/mach-omap2/clkt2xxx_sys.c
new file mode 100644
index 000000000000..822b5a79f457
--- /dev/null
+++ b/arch/arm/mach-omap2/clkt2xxx_sys.c
@@ -0,0 +1,50 @@
+/*
+ * OMAP2xxx sys_clk-specific clock code
+ *
+ * Copyright (C) 2005-2008 Texas Instruments, Inc.
+ * Copyright (C) 2004-2010 Nokia Corporation
+ *
+ * Contacts:
+ * Richard Woodruff <r-woodruff2@ti.com>
+ * Paul Walmsley
+ *
+ * Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
+ * Gordon McNutt and RidgeRun, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#undef DEBUG
+
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <plat/clock.h>
+
+#include "clock.h"
+#include "clock2xxx.h"
+#include "prm.h"
+#include "prm-regbits-24xx.h"
+
+void __iomem *prcm_clksrc_ctrl;
+
+u32 omap2xxx_get_sysclkdiv(void)
+{
+        u32 div;
+
+        div = __raw_readl(prcm_clksrc_ctrl);
+        div &= OMAP_SYSCLKDIV_MASK;
+        div >>= OMAP_SYSCLKDIV_SHIFT;
+
+        return div;
+}
+
+unsigned long omap2xxx_sys_clk_recalc(struct clk *clk)
+{
+        return clk->parent->rate / omap2xxx_get_sysclkdiv();
+}
+
+