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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2017 MediaTek Inc.
* Weiyi Lu <weiyi.lu@mediatek.com>
* Copyright (c) 2023 Collabora Ltd.
* AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
*/
#include <linux/clk.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include "clk-pll.h"
#include "clk-mtk.h"
#include <dt-bindings/clock/mt2712-clk.h>
#define MT2712_PLL_FMAX (3000UL * MHZ)
#define CON0_MT2712_RST_BAR BIT(24)
#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
_pd_reg, _pd_shift, _tuner_reg, _tuner_en_reg, \
_tuner_en_bit, _pcw_reg, _pcw_shift, \
_div_table) { \
.id = _id, \
.name = _name, \
.reg = _reg, \
.pwr_reg = _pwr_reg, \
.en_mask = _en_mask, \
.flags = _flags, \
.rst_bar_mask = CON0_MT2712_RST_BAR, \
.fmax = MT2712_PLL_FMAX, \
.pcwbits = _pcwbits, \
.pd_reg = _pd_reg, \
.pd_shift = _pd_shift, \
.tuner_reg = _tuner_reg, \
.tuner_en_reg = _tuner_en_reg, \
.tuner_en_bit = _tuner_en_bit, \
.pcw_reg = _pcw_reg, \
.pcw_shift = _pcw_shift, \
.div_table = _div_table, \
}
#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
_pd_reg, _pd_shift, _tuner_reg, _tuner_en_reg, \
_tuner_en_bit, _pcw_reg, _pcw_shift) \
PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, \
_pcwbits, _pd_reg, _pd_shift, _tuner_reg, \
_tuner_en_reg, _tuner_en_bit, _pcw_reg, \
_pcw_shift, NULL)
static const struct mtk_pll_div_table armca35pll_div_table[] = {
{ .div = 0, .freq = MT2712_PLL_FMAX },
{ .div = 1, .freq = 1202500000 },
{ .div = 2, .freq = 500500000 },
{ .div = 3, .freq = 315250000 },
{ .div = 4, .freq = 157625000 },
{ /* sentinel */ }
};
static const struct mtk_pll_div_table armca72pll_div_table[] = {
{ .div = 0, .freq = MT2712_PLL_FMAX },
{ .div = 1, .freq = 994500000 },
{ .div = 2, .freq = 520000000 },
{ .div = 3, .freq = 315250000 },
{ .div = 4, .freq = 157625000 },
{ /* sentinel */ }
};
static const struct mtk_pll_div_table mmpll_div_table[] = {
{ .div = 0, .freq = MT2712_PLL_FMAX },
{ .div = 1, .freq = 1001000000 },
{ .div = 2, .freq = 601250000 },
{ .div = 3, .freq = 250250000 },
{ .div = 4, .freq = 125125000 },
{ /* sentinel */ }
};
static const struct mtk_pll_data plls[] = {
PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0230, 0x023C, 0xf0000100,
HAVE_RST_BAR, 31, 0x0230, 4, 0, 0, 0, 0x0234, 0),
PLL(CLK_APMIXED_UNIVPLL, "univpll", 0x0240, 0x024C, 0xfe000100,
HAVE_RST_BAR, 31, 0x0240, 4, 0, 0, 0, 0x0244, 0),
PLL(CLK_APMIXED_VCODECPLL, "vcodecpll", 0x0320, 0x032C, 0xc0000100,
0, 31, 0x0320, 4, 0, 0, 0, 0x0324, 0),
PLL(CLK_APMIXED_VENCPLL, "vencpll", 0x0280, 0x028C, 0x00000100,
0, 31, 0x0280, 4, 0, 0, 0, 0x0284, 0),
PLL(CLK_APMIXED_APLL1, "apll1", 0x0330, 0x0340, 0x00000100,
0, 31, 0x0330, 4, 0x0338, 0x0014, 0, 0x0334, 0),
PLL(CLK_APMIXED_APLL2, "apll2", 0x0350, 0x0360, 0x00000100,
0, 31, 0x0350, 4, 0x0358, 0x0014, 1, 0x0354, 0),
PLL(CLK_APMIXED_LVDSPLL, "lvdspll", 0x0370, 0x037c, 0x00000100,
0, 31, 0x0370, 4, 0, 0, 0, 0x0374, 0),
PLL(CLK_APMIXED_LVDSPLL2, "lvdspll2", 0x0390, 0x039C, 0x00000100,
0, 31, 0x0390, 4, 0, 0, 0, 0x0394, 0),
PLL(CLK_APMIXED_MSDCPLL, "msdcpll", 0x0270, 0x027C, 0x00000100,
0, 31, 0x0270, 4, 0, 0, 0, 0x0274, 0),
PLL(CLK_APMIXED_MSDCPLL2, "msdcpll2", 0x0410, 0x041C, 0x00000100,
0, 31, 0x0410, 4, 0, 0, 0, 0x0414, 0),
PLL(CLK_APMIXED_TVDPLL, "tvdpll", 0x0290, 0x029C, 0xc0000100,
0, 31, 0x0290, 4, 0, 0, 0, 0x0294, 0),
PLL_B(CLK_APMIXED_MMPLL, "mmpll", 0x0250, 0x0260, 0x00000100,
0, 31, 0x0250, 4, 0, 0, 0, 0x0254, 0, mmpll_div_table),
PLL_B(CLK_APMIXED_ARMCA35PLL, "armca35pll", 0x0100, 0x0110, 0xf0000100,
HAVE_RST_BAR, 31, 0x0100, 4, 0, 0, 0, 0x0104, 0, armca35pll_div_table),
PLL_B(CLK_APMIXED_ARMCA72PLL, "armca72pll", 0x0210, 0x0220, 0x00000100,
0, 31, 0x0210, 4, 0, 0, 0, 0x0214, 0, armca72pll_div_table),
PLL(CLK_APMIXED_ETHERPLL, "etherpll", 0x0300, 0x030C, 0xc0000100,
0, 31, 0x0300, 4, 0, 0, 0, 0x0304, 0),
};
static int clk_mt2712_apmixed_probe(struct platform_device *pdev)
{
struct clk_hw_onecell_data *clk_data;
int r;
struct device_node *node = pdev->dev.of_node;
clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
if (!clk_data)
return -ENOMEM;
r = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
if (r)
goto free_clk_data;
r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
if (r) {
dev_err(&pdev->dev, "Cannot register clock provider: %d\n", r);
goto unregister_plls;
}
return 0;
unregister_plls:
mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data);
free_clk_data:
mtk_free_clk_data(clk_data);
return r;
}
static void clk_mt2712_apmixed_remove(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
struct clk_hw_onecell_data *clk_data = platform_get_drvdata(pdev);
of_clk_del_provider(node);
mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data);
mtk_free_clk_data(clk_data);
}
static const struct of_device_id of_match_clk_mt2712_apmixed[] = {
{ .compatible = "mediatek,mt2712-apmixedsys" },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, of_match_clk_mt2712_apmixed);
static struct platform_driver clk_mt2712_apmixed_drv = {
.probe = clk_mt2712_apmixed_probe,
.remove = clk_mt2712_apmixed_remove,
.driver = {
.name = "clk-mt2712-apmixed",
.of_match_table = of_match_clk_mt2712_apmixed,
},
};
module_platform_driver(clk_mt2712_apmixed_drv)
MODULE_DESCRIPTION("MediaTek MT2712 apmixedsys clocks driver");
MODULE_LICENSE("GPL");
|
