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
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
|
// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2020 SiFive, Inc.
* Copyright (C) 2020 Zong Li
*/
#include <linux/module.h>
#include <dt-bindings/clock/sifive-fu740-prci.h>
#include "fu540-prci.h"
#include "sifive-prci.h"
/* PRCI integration data for each WRPLL instance */
static struct __prci_wrpll_data __prci_corepll_data = {
.cfg0_offs = PRCI_COREPLLCFG0_OFFSET,
.cfg1_offs = PRCI_COREPLLCFG1_OFFSET,
.enable_bypass = sifive_prci_coreclksel_use_hfclk,
.disable_bypass = sifive_prci_coreclksel_use_final_corepll,
};
static struct __prci_wrpll_data __prci_ddrpll_data = {
.cfg0_offs = PRCI_DDRPLLCFG0_OFFSET,
.cfg1_offs = PRCI_DDRPLLCFG1_OFFSET,
};
static struct __prci_wrpll_data __prci_gemgxlpll_data = {
.cfg0_offs = PRCI_GEMGXLPLLCFG0_OFFSET,
.cfg1_offs = PRCI_GEMGXLPLLCFG1_OFFSET,
};
static struct __prci_wrpll_data __prci_dvfscorepll_data = {
.cfg0_offs = PRCI_DVFSCOREPLLCFG0_OFFSET,
.cfg1_offs = PRCI_DVFSCOREPLLCFG1_OFFSET,
.enable_bypass = sifive_prci_corepllsel_use_corepll,
.disable_bypass = sifive_prci_corepllsel_use_dvfscorepll,
};
static struct __prci_wrpll_data __prci_hfpclkpll_data = {
.cfg0_offs = PRCI_HFPCLKPLLCFG0_OFFSET,
.cfg1_offs = PRCI_HFPCLKPLLCFG1_OFFSET,
.enable_bypass = sifive_prci_hfpclkpllsel_use_hfclk,
.disable_bypass = sifive_prci_hfpclkpllsel_use_hfpclkpll,
};
static struct __prci_wrpll_data __prci_cltxpll_data = {
.cfg0_offs = PRCI_CLTXPLLCFG0_OFFSET,
.cfg1_offs = PRCI_CLTXPLLCFG1_OFFSET,
};
/* Linux clock framework integration */
static const struct clk_ops sifive_fu740_prci_wrpll_clk_ops = {
.set_rate = sifive_prci_wrpll_set_rate,
.round_rate = sifive_prci_wrpll_round_rate,
.recalc_rate = sifive_prci_wrpll_recalc_rate,
.enable = sifive_prci_clock_enable,
.disable = sifive_prci_clock_disable,
.is_enabled = sifive_clk_is_enabled,
};
static const struct clk_ops sifive_fu740_prci_wrpll_ro_clk_ops = {
.recalc_rate = sifive_prci_wrpll_recalc_rate,
};
static const struct clk_ops sifive_fu740_prci_tlclksel_clk_ops = {
.recalc_rate = sifive_prci_tlclksel_recalc_rate,
};
static const struct clk_ops sifive_fu740_prci_hfpclkplldiv_clk_ops = {
.recalc_rate = sifive_prci_hfpclkplldiv_recalc_rate,
};
/* List of clock controls provided by the PRCI */
struct __prci_clock __prci_init_clocks_fu740[] = {
[PRCI_CLK_COREPLL] = {
.name = "corepll",
.parent_name = "hfclk",
.ops = &sifive_fu740_prci_wrpll_clk_ops,
.pwd = &__prci_corepll_data,
},
[PRCI_CLK_DDRPLL] = {
.name = "ddrpll",
.parent_name = "hfclk",
.ops = &sifive_fu740_prci_wrpll_ro_clk_ops,
.pwd = &__prci_ddrpll_data,
},
[PRCI_CLK_GEMGXLPLL] = {
.name = "gemgxlpll",
.parent_name = "hfclk",
.ops = &sifive_fu740_prci_wrpll_clk_ops,
.pwd = &__prci_gemgxlpll_data,
},
[PRCI_CLK_DVFSCOREPLL] = {
.name = "dvfscorepll",
.parent_name = "hfclk",
.ops = &sifive_fu740_prci_wrpll_clk_ops,
.pwd = &__prci_dvfscorepll_data,
},
[PRCI_CLK_HFPCLKPLL] = {
.name = "hfpclkpll",
.parent_name = "hfclk",
.ops = &sifive_fu740_prci_wrpll_clk_ops,
.pwd = &__prci_hfpclkpll_data,
},
[PRCI_CLK_CLTXPLL] = {
.name = "cltxpll",
.parent_name = "hfclk",
.ops = &sifive_fu740_prci_wrpll_clk_ops,
.pwd = &__prci_cltxpll_data,
},
[PRCI_CLK_TLCLK] = {
.name = "tlclk",
.parent_name = "corepll",
.ops = &sifive_fu740_prci_tlclksel_clk_ops,
},
[PRCI_CLK_PCLK] = {
.name = "pclk",
.parent_name = "hfpclkpll",
.ops = &sifive_fu740_prci_hfpclkplldiv_clk_ops,
},
};
|
