1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * include/linux/clkdev.h 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2008 Russell King. 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Helper for the clk API to assist looking up a struct clk. 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun #ifndef __CLKDEV_H 10*4882a593Smuzhiyun #define __CLKDEV_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/slab.h> 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun struct clk; 15*4882a593Smuzhiyun struct clk_hw; 16*4882a593Smuzhiyun struct device; 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun struct clk_lookup { 19*4882a593Smuzhiyun struct list_head node; 20*4882a593Smuzhiyun const char *dev_id; 21*4882a593Smuzhiyun const char *con_id; 22*4882a593Smuzhiyun struct clk *clk; 23*4882a593Smuzhiyun struct clk_hw *clk_hw; 24*4882a593Smuzhiyun }; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun #define CLKDEV_INIT(d, n, c) \ 27*4882a593Smuzhiyun { \ 28*4882a593Smuzhiyun .dev_id = d, \ 29*4882a593Smuzhiyun .con_id = n, \ 30*4882a593Smuzhiyun .clk = c, \ 31*4882a593Smuzhiyun } 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, 34*4882a593Smuzhiyun const char *dev_fmt, ...) __printf(3, 4); 35*4882a593Smuzhiyun struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, 36*4882a593Smuzhiyun const char *dev_fmt, ...) __printf(3, 4); 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun void clkdev_add(struct clk_lookup *cl); 39*4882a593Smuzhiyun void clkdev_drop(struct clk_lookup *cl); 40*4882a593Smuzhiyun 41*4882a593Smuzhiyun struct clk_lookup *clkdev_create(struct clk *clk, const char *con_id, 42*4882a593Smuzhiyun const char *dev_fmt, ...) __printf(3, 4); 43*4882a593Smuzhiyun struct clk_lookup *clkdev_hw_create(struct clk_hw *hw, const char *con_id, 44*4882a593Smuzhiyun const char *dev_fmt, ...) __printf(3, 4); 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun void clkdev_add_table(struct clk_lookup *, size_t); 47*4882a593Smuzhiyun int clk_add_alias(const char *, const char *, const char *, struct device *); 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun int clk_register_clkdev(struct clk *, const char *, const char *); 50*4882a593Smuzhiyun int clk_hw_register_clkdev(struct clk_hw *, const char *, const char *); 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun int devm_clk_hw_register_clkdev(struct device *dev, struct clk_hw *hw, 53*4882a593Smuzhiyun const char *con_id, const char *dev_id); 54*4882a593Smuzhiyun void devm_clk_release_clkdev(struct device *dev, const char *con_id, 55*4882a593Smuzhiyun const char *dev_id); 56*4882a593Smuzhiyun #endif 57