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Diffstat (limited to 'libdde-linux26/contrib/arch/arm/mach-realview/clock.c')
-rw-r--r--libdde-linux26/contrib/arch/arm/mach-realview/clock.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/arch/arm/mach-realview/clock.c b/libdde-linux26/contrib/arch/arm/mach-realview/clock.c
new file mode 100644
index 00000000..a7043115
--- /dev/null
+++ b/libdde-linux26/contrib/arch/arm/mach-realview/clock.c
@@ -0,0 +1,64 @@
+/*
+ * linux/arch/arm/mach-realview/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/device.h>
+#include <linux/list.h>
+#include <linux/errno.h>
+#include <linux/err.h>
+#include <linux/string.h>
+#include <linux/clk.h>
+#include <linux/mutex.h>
+
+#include <asm/hardware/icst307.h>
+
+#include "clock.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)
+{
+ struct icst307_vco vco;
+ vco = icst307_khz_to_vco(clk->params, rate / 1000);
+ return icst307_khz(clk->params, vco) * 1000;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
+int clk_set_rate(struct clk *clk, unsigned long rate)
+{
+ int ret = -EIO;
+
+ if (clk->setvco) {
+ struct icst307_vco vco;
+
+ vco = icst307_khz_to_vco(clk->params, rate / 1000);
+ clk->rate = icst307_khz(clk->params, vco) * 1000;
+ clk->setvco(clk, vco);
+ ret = 0;
+ }
+ return ret;
+}
+EXPORT_SYMBOL(clk_set_rate);