summaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-versatile/clock.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-versatile/clock.c')
-rw-r--r--arch/arm/plat-versatile/clock.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/arch/arm/plat-versatile/clock.c b/arch/arm/plat-versatile/clock.c
new file mode 100644
index 00000000000..5c8b6564fdc
--- /dev/null
+++ b/arch/arm/plat-versatile/clock.c
@@ -0,0 +1,74 @@
+/*
+ * linux/arch/arm/plat-versatile/clock.c
+ *
+ * Copyright (C) 2004 ARM Limited.
+ * Written by Deep Blue Solutions Limited.
+ *
+ * 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.
+ */
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+
+#include <asm/hardware/icst.h>
+
+#include <mach/clkdev.h>
+
+int clk_enable(struct clk *clk)
+{
+ return 0;
+}
+EXPORT_SYMBOL(clk_enable);
+
+void clk_disable(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_disable);
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+ return clk->rate;
+}
+EXPORT_SYMBOL(clk_get_rate);
+
+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ long ret = -EIO;
+ if (clk->ops && clk->ops->round)
+ ret = clk->ops->round(clk, rate);
+ return ret;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ int ret = -EIO;
+ if (clk->ops && clk->ops->set)
+ ret = clk->ops->set(clk, rate);
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_rate);
+
+long icst_clk_round(struct clk *clk, unsigned long rate)
+{
+ struct icst_vco vco;
+ vco = icst_hz_to_vco(clk->params, rate);
+ return icst_hz(clk->params, vco);
+}
+EXPORT_SYMBOL(icst_clk_round);
+
+int icst_clk_set(struct clk *clk, unsigned long rate)
+{
+ struct icst_vco vco;
+
+ vco = icst_hz_to_vco(clk->params, rate);
+ clk->rate = icst_hz(clk->params, vco);
+ clk->ops->setvco(clk, vco);
+
+ return 0;
+}
+EXPORT_SYMBOL(icst_clk_set);