xref: /OK3568_Linux_fs/kernel/drivers/clk/sunxi-ng/ccu_reset.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2016 Maxime Ripard. All rights reserved.
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef _CCU_RESET_H_
7*4882a593Smuzhiyun #define _CCU_RESET_H_
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #include <linux/reset-controller.h>
10*4882a593Smuzhiyun #include <linux/spinlock.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun struct ccu_reset_map {
13*4882a593Smuzhiyun 	u16	reg;
14*4882a593Smuzhiyun 	u32	bit;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun struct ccu_reset {
19*4882a593Smuzhiyun 	void __iomem			*base;
20*4882a593Smuzhiyun 	struct ccu_reset_map		*reset_map;
21*4882a593Smuzhiyun 	spinlock_t			*lock;
22*4882a593Smuzhiyun 
23*4882a593Smuzhiyun 	struct reset_controller_dev	rcdev;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun 
rcdev_to_ccu_reset(struct reset_controller_dev * rcdev)26*4882a593Smuzhiyun static inline struct ccu_reset *rcdev_to_ccu_reset(struct reset_controller_dev *rcdev)
27*4882a593Smuzhiyun {
28*4882a593Smuzhiyun 	return container_of(rcdev, struct ccu_reset, rcdev);
29*4882a593Smuzhiyun }
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun extern const struct reset_control_ops ccu_reset_ops;
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun #endif /* _CCU_RESET_H_ */
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