xref: /arm-trusted-firmware/include/drivers/clk.h (revision 91f16700b400a8c0651d24a598fc48ee2997a0d7)
1*91f16700Schasinglulu /*
2*91f16700Schasinglulu  * Copyright (c) 2021, STMicroelectronics - All Rights Reserved
3*91f16700Schasinglulu  *
4*91f16700Schasinglulu  * SPDX-License-Identifier: BSD-3-Clause
5*91f16700Schasinglulu  */
6*91f16700Schasinglulu 
7*91f16700Schasinglulu #ifndef CLK_H
8*91f16700Schasinglulu #define CLK_H
9*91f16700Schasinglulu 
10*91f16700Schasinglulu #include <stdbool.h>
11*91f16700Schasinglulu 
12*91f16700Schasinglulu struct clk_ops {
13*91f16700Schasinglulu 	int (*enable)(unsigned long id);
14*91f16700Schasinglulu 	void (*disable)(unsigned long id);
15*91f16700Schasinglulu 	unsigned long (*get_rate)(unsigned long id);
16*91f16700Schasinglulu 	int (*get_parent)(unsigned long id);
17*91f16700Schasinglulu 	bool (*is_enabled)(unsigned long id);
18*91f16700Schasinglulu };
19*91f16700Schasinglulu 
20*91f16700Schasinglulu int clk_enable(unsigned long id);
21*91f16700Schasinglulu void clk_disable(unsigned long id);
22*91f16700Schasinglulu unsigned long clk_get_rate(unsigned long id);
23*91f16700Schasinglulu bool clk_is_enabled(unsigned long id);
24*91f16700Schasinglulu int clk_get_parent(unsigned long id);
25*91f16700Schasinglulu 
26*91f16700Schasinglulu void clk_register(const struct clk_ops *ops);
27*91f16700Schasinglulu 
28*91f16700Schasinglulu #endif /* CLK_H */
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