summaryrefslogtreecommitdiffstats
path: root/kernel/include/linux/clkdev.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/include/linux/clkdev.h')
-rw-r--r--kernel/include/linux/clkdev.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/kernel/include/linux/clkdev.h b/kernel/include/linux/clkdev.h
new file mode 100644
index 000000000..94bad77ee
--- /dev/null
+++ b/kernel/include/linux/clkdev.h
@@ -0,0 +1,51 @@
+/*
+ * include/linux/clkdev.h
+ *
+ * Copyright (C) 2008 Russell King.
+ *
+ * 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.
+ *
+ * Helper for the clk API to assist looking up a struct clk.
+ */
+#ifndef __CLKDEV_H
+#define __CLKDEV_H
+
+#include <asm/clkdev.h>
+
+struct clk;
+struct device;
+
+struct clk_lookup {
+ struct list_head node;
+ const char *dev_id;
+ const char *con_id;
+ struct clk *clk;
+};
+
+#define CLKDEV_INIT(d, n, c) \
+ { \
+ .dev_id = d, \
+ .con_id = n, \
+ .clk = c, \
+ }
+
+struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
+ const char *dev_fmt, ...);
+
+void clkdev_add(struct clk_lookup *cl);
+void clkdev_drop(struct clk_lookup *cl);
+
+void clkdev_add_table(struct clk_lookup *, size_t);
+int clk_add_alias(const char *, const char *, char *, struct device *);
+
+int clk_register_clkdev(struct clk *, const char *, const char *, ...);
+int clk_register_clkdevs(struct clk *, struct clk_lookup *, size_t);
+
+#ifdef CONFIG_COMMON_CLK
+int __clk_get(struct clk *clk);
+void __clk_put(struct clk *clk);
+#endif
+
+#endif