Training courses

Kernel and Embedded Linux

Bootlin training courses

Embedded Linux, kernel,
Yocto Project, Buildroot, real-time,
graphics, boot time, debugging...

Bootlin logo

Elixir Cross Referencer

Open Menu /drivers/clk/berlin/berlin2-div.h 
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2014 Marvell Technology Group Ltd.
 *
 * Alexandre Belloni <alexandre.belloni@free-electrons.com>
 * Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
 */
#ifndef __BERLIN2_DIV_H
#define __BERLIN2_DIV_H

struct clk_hw;

#define BERLIN2_DIV_HAS_GATE		BIT(0)
#define BERLIN2_DIV_HAS_MUX		BIT(1)

#define BERLIN2_PLL_SELECT(_off, _sh)	\
	.pll_select_offs = _off,	\
	.pll_select_shift = _sh

#define BERLIN2_PLL_SWITCH(_off, _sh)	\
	.pll_switch_offs = _off,	\
	.pll_switch_shift = _sh

#define BERLIN2_DIV_SELECT(_off, _sh)	\
	.div_select_offs = _off,	\
	.div_select_shift = _sh

#define BERLIN2_DIV_SWITCH(_off, _sh)	\
	.div_switch_offs = _off,	\
	.div_switch_shift = _sh

#define BERLIN2_DIV_D3SWITCH(_off, _sh)	\
	.div3_switch_offs = _off,	\
	.div3_switch_shift = _sh

#define BERLIN2_DIV_GATE(_off, _sh)	\
	.gate_offs = _off,		\
	.gate_shift = _sh

#define BERLIN2_SINGLE_DIV(_off)	\
	BERLIN2_DIV_GATE(_off, 0),	\
	BERLIN2_PLL_SELECT(_off, 1),	\
	BERLIN2_PLL_SWITCH(_off, 4),	\
	BERLIN2_DIV_SWITCH(_off, 5),	\
	BERLIN2_DIV_D3SWITCH(_off, 6),	\
	BERLIN2_DIV_SELECT(_off, 7)

struct berlin2_div_map {
	u16 pll_select_offs;
	u16 pll_switch_offs;
	u16 div_select_offs;
	u16 div_switch_offs;
	u16 div3_switch_offs;
	u16 gate_offs;
	u8 pll_select_shift;
	u8 pll_switch_shift;
	u8 div_select_shift;
	u8 div_switch_shift;
	u8 div3_switch_shift;
	u8 gate_shift;
};

struct berlin2_div_data {
	const char *name;
	const u8 *parent_ids;
	int num_parents;
	unsigned long flags;
	struct berlin2_div_map map;
	u8 div_flags;
};

struct clk_hw *
berlin2_div_register(const struct berlin2_div_map *map,
	     void __iomem *base,  const char *name, u8 div_flags,
	     const char **parent_names, int num_parents,
	     unsigned long flags,  spinlock_t *lock);

#endif /* __BERLIN2_DIV_H */