1 /* 2 * Copyright (c) 2021, STMicroelectronics - All Rights Reserved 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef CLK_H 8 #define CLK_H 9 10 #include <stdbool.h> 11 12 struct clk_ops { 13 int (*enable)(unsigned long id); 14 void (*disable)(unsigned long id); 15 unsigned long (*get_rate)(unsigned long id); 16 int (*set_rate)(unsigned long id, unsigned long rate, 17 unsigned long *orate); 18 int (*get_possible_parents_num)(unsigned long id); 19 int (*get_parent)(unsigned long id); 20 int (*set_parent)(unsigned long id, unsigned long parent_id); 21 bool (*is_enabled)(unsigned long id); 22 }; 23 24 int clk_enable(unsigned long id); 25 void clk_disable(unsigned long id); 26 unsigned long clk_get_rate(unsigned long id); 27 int clk_set_rate(unsigned long id, unsigned long rate, unsigned long *orate); 28 bool clk_is_enabled(unsigned long id); 29 int clk_get_possible_parents_num(unsigned long id); 30 int clk_get_parent(unsigned long id); 31 int clk_set_parent(unsigned long id, unsigned long parent_id); 32 33 void clk_register(const struct clk_ops *ops); 34 35 #endif /* CLK_H */ 36