xref: /openbmc/linux/drivers/clk/sprd/composite.h (revision a44e4f3a)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 //
3 // Spreadtrum composite clock driver
4 //
5 // Copyright (C) 2017 Spreadtrum, Inc.
6 // Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
7 
8 #ifndef _SPRD_COMPOSITE_H_
9 #define _SPRD_COMPOSITE_H_
10 
11 #include "common.h"
12 #include "mux.h"
13 #include "div.h"
14 
15 struct sprd_comp {
16 	struct sprd_mux_ssel	mux;
17 	struct sprd_div_internal	div;
18 	struct sprd_clk_common	common;
19 };
20 
21 #define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table,	\
22 			_mshift, _mwidth, _dshift, _dwidth, _flags)	\
23 	struct sprd_comp _struct = {					\
24 		.mux	= _SPRD_MUX_CLK(_mshift, _mwidth, _table),	\
25 		.div	= _SPRD_DIV_CLK(_dshift, _dwidth),		\
26 		.common = {						\
27 			.regmap		= NULL,				\
28 			.reg		= _reg,				\
29 			.hw.init = CLK_HW_INIT_PARENTS(_name,		\
30 						       _parent,		\
31 						       &sprd_comp_ops,	\
32 						       _flags),		\
33 			 }						\
34 	}
35 
36 #define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift,	\
37 			_mwidth, _dshift, _dwidth, _flags)	\
38 	SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg,	\
39 			    NULL, _mshift, _mwidth,		\
40 			    _dshift, _dwidth, _flags)
41 
42 static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw)
43 {
44 	struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
45 
46 	return container_of(common, struct sprd_comp, common);
47 }
48 
49 extern const struct clk_ops sprd_comp_ops;
50 
51 #endif /* _SPRD_COMPOSITE_H_ */
52