blob: 16dae35ab370120a35999d2fdb5a29bafda4fc2d [file] [log] [blame]
Nobuhiro Iwamatsub4cbe602021-10-25 12:10:37 +09001/* 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
16struct visconti_pll_provider {
17 void __iomem *reg_base;
18 struct regmap *regmap;
19 struct clk_hw_onecell_data clk_data;
20 struct device_node *node;
21};
22
23#define VISCONTI_PLL_RATE(_rate, _dacen, _dsmen, \
24 _refdiv, _intin, _fracin, _postdiv1, _postdiv2) \
25{ \
26 .rate = _rate, \
27 .dacen = _dacen, \
28 .dsmen = _dsmen, \
29 .refdiv = _refdiv, \
30 .intin = _intin, \
31 .fracin = _fracin, \
32 .postdiv1 = _postdiv1, \
33 .postdiv2 = _postdiv2 \
34}
35
36struct visconti_pll_rate_table {
37 unsigned long rate;
38 unsigned int dacen;
39 unsigned int dsmen;
40 unsigned int refdiv;
41 unsigned long intin;
42 unsigned long fracin;
43 unsigned int postdiv1;
44 unsigned int postdiv2;
45};
46
47struct visconti_pll_info {
48 unsigned int id;
49 const char *name;
50 const char *parent;
51 unsigned long base_reg;
52 const struct visconti_pll_rate_table *rate_table;
53};
54
55struct visconti_pll_provider * __init visconti_init_pll(struct device_node *np,
56 void __iomem *base,
57 unsigned long nr_plls);
58void visconti_register_plls(struct visconti_pll_provider *ctx,
59 const struct visconti_pll_info *list,
60 unsigned int nr_plls, spinlock_t *lock);
61
62#endif /* _VISCONTI_PLL_H_ */