| 1 | |
| 2 | * include/linux/clkdev.h
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| 3 | *
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| 4 | * Copyright (C) 2008 Russell King.
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| 5 | *
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| 6 | * This program is free software; you can redistribute it and/or modify
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| 7 | * it under the terms of the GNU General Public License version 2 as
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| 8 | * published by the Free Software Foundation.
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| 9 | *
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| 10 | * Helper for the clk API to assist looking up a struct clk.
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| 11 |
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| 12 | #ifndef __CLKDEV_H
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| 13 | #define __CLKDEV_H
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| 14 |
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| 15 | #include <asm/clkdev.h>
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| 16 |
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| 17 | struct clk;
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| 18 | struct clk_hw;
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| 19 | struct device;
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| 20 |
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| 21 | struct clk_lookup {
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| 22 | struct list_head node;
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| 23 | const char *dev_id;
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| 24 | const char *con_id;
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| 25 | struct clk *clk;
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| 26 | struct clk_hw *clk_hw;
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| 27 | };
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| 28 |
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| 29 | #define CLKDEV_INIT(d, n, c) \
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| 30 | { \
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| 31 | .dev_id = d, \
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| 32 | .con_id = n, \
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| 33 | .clk = c, \
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| 34 | }
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| 35 |
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| 36 | struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id,
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| 37 | const char *dev_fmt, ...) __printf(3, 4);
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| 38 | struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id,
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| 39 | const char *dev_fmt, ...) __printf(3, 4);
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| 40 |
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| 41 | void clkdev_add(struct clk_lookup *cl);
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| 42 | void clkdev_drop(struct clk_lookup *cl);
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| 43 |
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| 44 | struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id,
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| 45 | const char *dev_fmt, ...) __printf(3, 4);
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| 46 | struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id,
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| 47 | const char *dev_fmt, ...) __printf(3, 4);
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| 48 |
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| 49 | void clkdev_add_table(struct clk_lookup *, size_t);
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| 50 | int clk_add_alias(const char *, const char *, const char *, struct device *);
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| 51 |
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| 52 | int clk_register_clkdev(struct clk *, const char *, const char *);
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| 53 | int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *);
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| 54 |
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| 55 | #ifdef CONFIG_COMMON_CLK
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| 56 | int __clk_get(struct clk *clk);
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| 57 | void __clk_put(struct clk *clk);
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| 58 | #endif
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| 59 |
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| 60 | #endif
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