1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * include/linux/clkdev.h 4 * 5 * Copyright (C) 2008 Russell King. 6 * 7 * Helper for the clk API to assist looking up a struct clk. 8 */ 9 #ifndef __CLKDEV_H 10 #define __CLKDEV_H 11 12 #include <linux/slab.h> 13 14 struct clk; 15 struct clk_hw; 16 struct device; 17 18 struct clk_lookup { 19 struct list_head node; 20 const char *dev_id; 21 const char *con_id; 22 struct clk *clk; 23 struct clk_hw *clk_hw; 24 }; 25 26 #define CLKDEV_INIT(d, n, c) \ 27 { \ 28 .dev_id = d, \ 29 .con_id = n, \ 30 .clk = c, \ 31 } 32 33 struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, 34 const char *dev_fmt, ...) __printf(3, 4); 35 struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, 36 const char *dev_fmt, ...) __printf(3, 4); 37 38 void clkdev_add(struct clk_lookup *cl); 39 void clkdev_drop(struct clk_lookup *cl); 40 41 struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, 42 const char *dev_fmt, ...) __printf(3, 4); 43 struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id, 44 const char *dev_fmt, ...) __printf(3, 4); 45 46 void clkdev_add_table(struct clk_lookup *, size_t); 47 int clk_add_alias(const char *, const char *, const char *, struct device *); 48 49 int clk_register_clkdev(struct clk *, const char *, const char *); 50 int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *); 51 52 int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw, 53 const char *con_id, const char *dev_id); 54 void devm_clk_release_clkdev(struct device *dev, const char *con_id, 55 const char *dev_id); 56 #endif 57
