1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * Copyright (c) 2021 TOSHIBA CORPORATION |
4 | * Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation |
5 | * |
6 | * Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp> |
7 | */ |
8 | |
9 | #ifndef _VISCONTI_PLL_H_ |
10 | #define _VISCONTI_PLL_H_ |
11 | |
12 | #include <linux/clk-provider.h> |
13 | #include <linux/regmap.h> |
14 | #include <linux/spinlock.h> |
15 | |
16 | struct visconti_pll_provider { |
17 | void __iomem *reg_base; |
18 | struct device_node *node; |
19 | |
20 | /* Must be last */ |
21 | struct clk_hw_onecell_data clk_data; |
22 | }; |
23 | |
24 | #define VISCONTI_PLL_RATE(_rate, _dacen, _dsmen, \ |
25 | _refdiv, _intin, _fracin, _postdiv1, _postdiv2) \ |
26 | { \ |
27 | .rate = _rate, \ |
28 | .dacen = _dacen, \ |
29 | .dsmen = _dsmen, \ |
30 | .refdiv = _refdiv, \ |
31 | .intin = _intin, \ |
32 | .fracin = _fracin, \ |
33 | .postdiv1 = _postdiv1, \ |
34 | .postdiv2 = _postdiv2 \ |
35 | } |
36 | |
37 | struct visconti_pll_rate_table { |
38 | unsigned long rate; |
39 | unsigned int dacen; |
40 | unsigned int dsmen; |
41 | unsigned int refdiv; |
42 | unsigned long intin; |
43 | unsigned long fracin; |
44 | unsigned int postdiv1; |
45 | unsigned int postdiv2; |
46 | }; |
47 | |
48 | struct visconti_pll_info { |
49 | unsigned int id; |
50 | const char *name; |
51 | const char *parent; |
52 | unsigned long base_reg; |
53 | const struct visconti_pll_rate_table *rate_table; |
54 | }; |
55 | |
56 | struct visconti_pll_provider * __init visconti_init_pll(struct device_node *np, |
57 | void __iomem *base, |
58 | unsigned long nr_plls); |
59 | void visconti_register_plls(struct visconti_pll_provider *ctx, |
60 | const struct visconti_pll_info *list, |
61 | unsigned int nr_plls, spinlock_t *lock); |
62 | |
63 | #endif /* _VISCONTI_PLL_H_ */ |
64 | |