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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (c) 2019, The Linux Foundation. All rights reserved.
*/
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <dt-bindings/clock/qcom,videocc-sc7180.h>
#include "clk-alpha-pll.h"
#include "clk-branch.h"
#include "clk-rcg.h"
#include "clk-regmap.h"
#include "common.h"
#include "gdsc.h"
enum {
P_BI_TCXO,
P_CHIP_SLEEP_CLK,
P_CORE_BI_PLL_TEST_SE,
P_VIDEO_PLL0_OUT_EVEN,
P_VIDEO_PLL0_OUT_MAIN,
P_VIDEO_PLL0_OUT_ODD,
};
static const struct pll_vco fabia_vco[] = {
{ 249600000, 2000000000, 0 },
};
static struct clk_alpha_pll video_pll0 = {
.offset = 0x42c,
.vco_table = fabia_vco,
.num_vco = ARRAY_SIZE(fabia_vco),
.regs = clk_alpha_pll_regs[CLK_ALPHA_PLL_TYPE_FABIA],
.clkr = {
.hw.init = &(struct clk_init_data){
.name = "video_pll0",
.parent_data = &(const struct clk_parent_data){
.fw_name = "bi_tcxo",
},
.num_parents = 1,
.ops = &clk_alpha_pll_fabia_ops,
},
},
};
static const struct parent_map video_cc_parent_map_1[] = {
{ P_BI_TCXO, 0 },
{ P_VIDEO_PLL0_OUT_MAIN, 1 },
};
static const struct clk_parent_data video_cc_parent_data_1[] = {
{ .fw_name = "bi_tcxo" },
{ .hw = &video_pll0.clkr.hw },
};
static const struct freq_tbl ftbl_video_cc_venus_clk_src[] = {
F(19200000, P_BI_TCXO, 1, 0, 0),
F(150000000, P_VIDEO_PLL0_OUT_MAIN, 4, 0, 0),
F(270000000, P_VIDEO_PLL0_OUT_MAIN, 2.5, 0, 0),
F(340000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
F(434000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
F(500000000, P_VIDEO_PLL0_OUT_MAIN, 2, 0, 0),
{ }
};
static struct clk_rcg2 video_cc_venus_clk_src = {
.cmd_rcgr = 0x7f0,
.mnd_width = 0,
.hid_width = 5,
.parent_map = video_cc_parent_map_1,
.freq_tbl = ftbl_video_cc_venus_clk_src,
.clkr.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_clk_src",
.parent_data = video_cc_parent_data_1,
.num_parents = ARRAY_SIZE(video_cc_parent_data_1),
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_rcg2_shared_ops,
},
};
static struct clk_branch video_cc_vcodec0_axi_clk = {
.halt_reg = 0x9ec,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x9ec,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_vcodec0_axi_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_vcodec0_core_clk = {
.halt_reg = 0x890,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x890,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_vcodec0_core_clk",
.parent_data = &(const struct clk_parent_data){
.hw = &video_cc_venus_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_venus_ahb_clk = {
.halt_reg = 0xa4c,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0xa4c,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_ahb_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_venus_ctl_axi_clk = {
.halt_reg = 0x9cc,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x9cc,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_ctl_axi_clk",
.ops = &clk_branch2_ops,
},
},
};
static struct clk_branch video_cc_venus_ctl_core_clk = {
.halt_reg = 0x850,
.halt_check = BRANCH_HALT,
.clkr = {
.enable_reg = 0x850,
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "video_cc_venus_ctl_core_clk",
.parent_data = &(const struct clk_parent_data){
.hw = &video_cc_venus_clk_src.clkr.hw,
},
.num_parents = 1,
.flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
};
static struct gdsc venus_gdsc = {
.gdscr = 0x814,
.pd = {
.name = "venus_gdsc",
},
.pwrsts = PWRSTS_OFF_ON,
};
static struct gdsc vcodec0_gdsc = {
.gdscr = 0x874,
.pd = {
.name = "vcodec0_gdsc",
},
.flags = HW_CTRL,
.pwrsts = PWRSTS_OFF_ON,
};
static struct clk_regmap *video_cc_sc7180_clocks[] = {
[VIDEO_CC_VCODEC0_AXI_CLK] = &video_cc_vcodec0_axi_clk.clkr,
[VIDEO_CC_VCODEC0_CORE_CLK] = &video_cc_vcodec0_core_clk.clkr,
[VIDEO_CC_VENUS_AHB_CLK] = &video_cc_venus_ahb_clk.clkr,
[VIDEO_CC_VENUS_CLK_SRC] = &video_cc_venus_clk_src.clkr,
[VIDEO_CC_VENUS_CTL_AXI_CLK] = &video_cc_venus_ctl_axi_clk.clkr,
[VIDEO_CC_VENUS_CTL_CORE_CLK] = &video_cc_venus_ctl_core_clk.clkr,
[VIDEO_PLL0] = &video_pll0.clkr,
};
static struct gdsc *video_cc_sc7180_gdscs[] = {
[VENUS_GDSC] = &venus_gdsc,
[VCODEC0_GDSC] = &vcodec0_gdsc,
};
static const struct regmap_config video_cc_sc7180_regmap_config = {
.reg_bits = 32,
.reg_stride = 4,
.val_bits = 32,
.max_register = 0xb94,
.fast_io = true,
};
static const struct qcom_cc_desc video_cc_sc7180_desc = {
.config = &video_cc_sc7180_regmap_config,
.clks = video_cc_sc7180_clocks,
.num_clks = ARRAY_SIZE(video_cc_sc7180_clocks),
.gdscs = video_cc_sc7180_gdscs,
.num_gdscs = ARRAY_SIZE(video_cc_sc7180_gdscs),
};
static const struct of_device_id video_cc_sc7180_match_table[] = {
{ .compatible = "qcom,sc7180-videocc" },
{ }
};
MODULE_DEVICE_TABLE(of, video_cc_sc7180_match_table);
static int video_cc_sc7180_probe(struct platform_device *pdev)
{
struct regmap *regmap;
struct alpha_pll_config video_pll0_config = {};
regmap = qcom_cc_map(pdev, &video_cc_sc7180_desc);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
video_pll0_config.l = 0x1f;
video_pll0_config.alpha = 0x4000;
video_pll0_config.user_ctl_val = 0x00000001;
video_pll0_config.user_ctl_hi_val = 0x00004805;
clk_fabia_pll_configure(&video_pll0, regmap, &video_pll0_config);
/* Keep VIDEO_CC_XO_CLK ALWAYS-ON */
regmap_update_bits(regmap, 0x984, 0x1, 0x1);
return qcom_cc_really_probe(pdev, &video_cc_sc7180_desc, regmap);
}
static struct platform_driver video_cc_sc7180_driver = {
.probe = video_cc_sc7180_probe,
.driver = {
.name = "sc7180-videocc",
.of_match_table = video_cc_sc7180_match_table,
},
};
static int __init video_cc_sc7180_init(void)
{
return platform_driver_register(&video_cc_sc7180_driver);
}
subsys_initcall(video_cc_sc7180_init);
static void __exit video_cc_sc7180_exit(void)
{
platform_driver_unregister(&video_cc_sc7180_driver);
}
module_exit(video_cc_sc7180_exit);
MODULE_LICENSE("GPL v2");
MODULE_DESCRIPTION("QTI VIDEOCC SC7180 Driver");
|
