1 /* 2 * linux/drivers/clk/clk.h 3 * 4 * Copyright (C) 2013 Samsung Electronics Co., Ltd. 5 * Sylwester Nawrocki <s.nawrocki@samsung.com> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 */ 11 12 struct clk_hw; 13 14 #if defined(CONFIG_OF) && defined(CONFIG_COMMON_CLK) 15 struct clk *of_clk_get_by_clkspec(struct of_phandle_args *clkspec); 16 struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec, 17 const char *dev_id, const char *con_id); 18 void of_clk_lock(void); 19 void of_clk_unlock(void); 20 #endif 21 22 #ifdef CONFIG_COMMON_CLK 23 struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id, 24 const char *con_id); 25 void __clk_free_clk(struct clk *clk); 26 #else 27 /* All these casts to avoid ifdefs in clkdev... */ 28 static inline struct clk * 29 __clk_create_clk(struct clk_hw *hw, const char *dev_id, const char *con_id) 30 { 31 return (struct clk *)hw; 32 } 33 static inline void __clk_free_clk(struct clk *clk) { } 34 static struct clk_hw *__clk_get_hw(struct clk *clk) 35 { 36 return (struct clk_hw *)clk; 37 } 38 39 #endif 40