ccu_common.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2024 SpacemiT Technology Co. Ltd
 4 * Copyright (c) 2024-2025 Haylen Chu <heylenay@4d2.org>
 5 */
 6
 7#ifndef _CCU_COMMON_H_
 8#define _CCU_COMMON_H_
 9
10#include <linux/regmap.h>
11
12struct ccu_common {
13	struct regmap *regmap;
14	struct regmap *lock_regmap;
15
16	union {
17		/* For DDN and MIX */
18		struct {
19			u32 reg_ctrl;
20			u32 reg_fc;
21			u32 mask_fc;
22		};
23
24		/* For PLL */
25		struct {
26			u32 reg_swcr1;
27			u32 reg_swcr3;
28		};
29	};
30
31	struct clk_hw hw;
32};
33
34static inline struct ccu_common *hw_to_ccu_common(struct clk_hw *hw)
35{
36	return container_of(hw, struct ccu_common, hw);
37}
38
39#define ccu_read(c, reg)						\
40	({								\
41		u32 tmp;						\
42		regmap_read((c)->regmap, (c)->reg_##reg, &tmp);		\
43		tmp;							\
44	 })
45#define ccu_update(c, reg, mask, val) \
46	regmap_update_bits((c)->regmap, (c)->reg_##reg, mask, val)
47
48#endif /* _CCU_COMMON_H_ */