Initial import

1 files changed, 47 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/clock.c b/arch/arm/mach-shmobile/clock.c
new file mode 100644
index 000000000..68c2d06d0
--- /dev/null
+++ b/arch/arm/mach-shmobile/clock.c
@@ -0,0 +1,47 @@
+/*
+ * SH-Mobile Clock Framework
+ *
+ * Copyright (C) 2010  Magnus Damm
+ *
+ * Used together with arch/arm/common/clkdev.c and drivers/sh/clk.c.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/export.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/sh_clk.h>
+
+#include "clock.h"
+#include "common.h"
+
+unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk)
+{
+	struct clk_ratio *p = clk->priv;
+
+	return clk->parent->rate / p->div * p->mul;
+};
+
+struct sh_clk_ops shmobile_fixed_ratio_clk_ops = {
+	.recalc	= shmobile_fixed_ratio_clk_recalc,
+};
+
+int __init shmobile_clk_init(void)
+{
+	/* Kick the child clocks.. */
+	recalculate_root_clocks();
+
+	/* Enable the necessary init clocks */
+	clk_enable_init_clocks();
+
+	return 0;
+}