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authorSrikant Patnaik2015-01-13 15:08:24 +0530
committerSrikant Patnaik2015-01-13 15:08:24 +0530
commit97327692361306d1e6259021bc425e32832fdb50 (patch)
treefe9088f3248ec61e24f404f21b9793cb644b7f01 /arch/arm/mach-omap2/clkt2xxx_sys.c
parent2d05a8f663478a44e088d122e0d62109bbc801d0 (diff)
parenta3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff)
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dirty fix to merging
Diffstat (limited to 'arch/arm/mach-omap2/clkt2xxx_sys.c')
-rw-r--r--arch/arm/mach-omap2/clkt2xxx_sys.c50
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
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--- /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 "prm2xxx_3xxx.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();
+}
+
+