xref: /linux/drivers/clk/socfpga/stratix10-clk.h (revision d33050aec3f6b37294dc318e9cdb969ed5094a2d)
1 /* SPDX-License-Identifier:    GPL-2.0 */
2 /*
3  * Copyright (C) 2017, Intel Corporation
4  */
5 
6 #ifndef	__STRATIX10_CLK_H
7 #define	__STRATIX10_CLK_H
8 
9 struct stratix10_clock_data {
10 	void __iomem		*base;
11 
12 	/* Must be last */
13 	struct clk_hw_onecell_data	clk_data;
14 };
15 
16 struct stratix10_pll_clock {
17 	unsigned int		id;
18 	const char		*name;
19 	const struct clk_parent_data	*parent_data;
20 	u8			num_parents;
21 	unsigned long		flags;
22 	unsigned long		offset;
23 };
24 
25 struct stratix10_perip_c_clock {
26 	unsigned int		id;
27 	const char		*name;
28 	const char		*parent_name;
29 	const struct clk_parent_data	*parent_data;
30 	u8			num_parents;
31 	unsigned long		flags;
32 	unsigned long		offset;
33 };
34 
35 struct n5x_perip_c_clock {
36 	unsigned int		id;
37 	const char		*name;
38 	const char		*parent_name;
39 	const char		*const *parent_names;
40 	u8			num_parents;
41 	unsigned long		flags;
42 	unsigned long		offset;
43 	unsigned long		shift;
44 };
45 
46 struct stratix10_perip_cnt_clock {
47 	unsigned int		id;
48 	const char		*name;
49 	const char		*parent_name;
50 	const struct clk_parent_data	*parent_data;
51 	u8			num_parents;
52 	unsigned long		flags;
53 	unsigned long		offset;
54 	u8			fixed_divider;
55 	unsigned long		bypass_reg;
56 	unsigned long		bypass_shift;
57 };
58 
59 struct stratix10_gate_clock {
60 	unsigned int		id;
61 	const char		*name;
62 	const char		*parent_name;
63 	const struct clk_parent_data	*parent_data;
64 	u8			num_parents;
65 	unsigned long		flags;
66 	unsigned long		gate_reg;
67 	u8			gate_idx;
68 	unsigned long		div_reg;
69 	u8			div_offset;
70 	u8			div_width;
71 	unsigned long		bypass_reg;
72 	u8			bypass_shift;
73 	u8			fixed_div;
74 };
75 
76 struct clk_hw *s10_register_pll(const struct stratix10_pll_clock *clks,
77 			     void __iomem *reg);
78 struct clk_hw *agilex_register_pll(const struct stratix10_pll_clock *clks,
79 				void __iomem *reg);
80 struct clk_hw *n5x_register_pll(const struct stratix10_pll_clock *clks,
81 			     void __iomem *reg);
82 struct clk_hw *s10_register_periph(const struct stratix10_perip_c_clock *clks,
83 				void __iomem *reg);
84 struct clk_hw *n5x_register_periph(const struct n5x_perip_c_clock *clks,
85 				void __iomem *reg);
86 struct clk_hw *s10_register_cnt_periph(const struct stratix10_perip_cnt_clock *clks,
87 				    void __iomem *reg);
88 struct clk_hw *s10_register_gate(const struct stratix10_gate_clock *clks,
89 			      void __iomem *reg);
90 struct clk_hw *agilex_register_gate(const struct stratix10_gate_clock *clks,
91 			      void __iomem *reg);
92 #endif	/* __STRATIX10_CLK_H */
93