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
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* Toshiba Visconti clock controller
*
* Copyright (c) 2021 TOSHIBA CORPORATION
* Copyright (c) 2021 Toshiba Electronic Devices & Storage Corporation
*
* Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
*/
#include <linux/clk-provider.h>
#include <linux/platform_device.h>
#include <dt-bindings/clock/toshiba,tmpv770x.h>
#include <dt-bindings/reset/toshiba,tmpv770x.h>
#include "clkc.h"
#include "reset.h"
static DEFINE_SPINLOCK(tmpv770x_clk_lock);
static DEFINE_SPINLOCK(tmpv770x_rst_lock);
static const struct clk_parent_data clks_parent_data[] = {
{ .fw_name = "pipll1", .name = "pipll1", },
};
static const struct clk_parent_data pietherplls_parent_data[] = {
{ .fw_name = "pietherpll", .name = "pietherpll", },
};
static const struct visconti_fixed_clk fixed_clk_tables[] = {
/* PLL1 */
/* PICMPT0/1, PITSC, PIUWDT, PISWDT, PISBUS, PIPMU, PIGPMU, PITMU */
/* PIEMM, PIMISC, PIGCOMM, PIDCOMM, PIMBUS, PIGPIO, PIPGM */
{ TMPV770X_CLK_PIPLL1_DIV4, "pipll1_div4", "pipll1", 0, 1, 4, },
/* PISBUS */
{ TMPV770X_CLK_PIPLL1_DIV2, "pipll1_div2", "pipll1", 0, 1, 2, },
/* PICOBUS_CLK */
{ TMPV770X_CLK_PIPLL1_DIV1, "pipll1_div1", "pipll1", 0, 1, 1, },
/* PIDNNPLL */
/* CONN_CLK, PIMBUS, PICRC0/1 */
{ TMPV770X_CLK_PIDNNPLL_DIV1, "pidnnpll_div1", "pidnnpll", 0, 1, 1, },
{ TMPV770X_CLK_PIREFCLK, "pirefclk", "osc2-clk", 0, 1, 1, },
{ TMPV770X_CLK_WDTCLK, "wdtclk", "osc2-clk", 0, 1, 1, },
};
static const struct visconti_clk_gate_table pietherpll_clk_gate_tables[] = {
/* pietherpll */
{ TMPV770X_CLK_PIETHER_2P5M, "piether_2p5m",
pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data),
CLK_SET_RATE_PARENT, 0x34, 0x134, 4, 200,
TMPV770X_RESET_PIETHER_2P5M, },
{ TMPV770X_CLK_PIETHER_25M, "piether_25m",
pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data),
CLK_SET_RATE_PARENT, 0x34, 0x134, 5, 20,
TMPV770X_RESET_PIETHER_25M, },
{ TMPV770X_CLK_PIETHER_50M, "piether_50m",
pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data),
CLK_SET_RATE_PARENT, 0x34, 0x134, 6, 10,
TMPV770X_RESET_PIETHER_50M, },
{ TMPV770X_CLK_PIETHER_125M, "piether_125m",
pietherplls_parent_data, ARRAY_SIZE(pietherplls_parent_data),
CLK_SET_RATE_PARENT, 0x34, 0x134, 7, 4,
TMPV770X_RESET_PIETHER_125M, },
};
static const struct visconti_clk_gate_table clk_gate_tables[] = {
{ TMPV770X_CLK_HOX, "hox",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x4c, 0x14c, 0, 1,
TMPV770X_RESET_HOX, },
{ TMPV770X_CLK_PCIE_MSTR, "pcie_mstr",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x38, 0x138, 0, 1,
TMPV770X_RESET_PCIE_MSTR, },
{ TMPV770X_CLK_PCIE_AUX, "pcie_aux",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x38, 0x138, 1, 24,
TMPV770X_RESET_PCIE_AUX, },
{ TMPV770X_CLK_PIINTC, "piintc",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
CLK_IGNORE_UNUSED, 0x8, 0x108, 0, 2, //FIX!!
TMPV770X_RESET_PIINTC,},
{ TMPV770X_CLK_PIETHER_BUS, "piether_bus",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x34, 0x134, 0, 2,
TMPV770X_RESET_PIETHER_BUS, }, /* BUS_CLK */
{ TMPV770X_CLK_PISPI0, "pispi0",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x28, 0x128, 0, 2,
TMPV770X_RESET_PISPI0, },
{ TMPV770X_CLK_PISPI1, "pispi1",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x28, 0x128, 1, 2,
TMPV770X_RESET_PISPI1, },
{ TMPV770X_CLK_PISPI2, "pispi2",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x28, 0x128, 2, 2,
TMPV770X_RESET_PISPI2, },
{ TMPV770X_CLK_PISPI3, "pispi3",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x28, 0x128, 3, 2,
TMPV770X_RESET_PISPI3,},
{ TMPV770X_CLK_PISPI4, "pispi4",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x28, 0x128, 4, 2,
TMPV770X_RESET_PISPI4, },
{ TMPV770X_CLK_PISPI5, "pispi5",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x28, 0x128, 5, 2,
TMPV770X_RESET_PISPI5},
{ TMPV770X_CLK_PISPI6, "pispi6",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x28, 0x128, 6, 2,
TMPV770X_RESET_PISPI6,},
{ TMPV770X_CLK_PIUART0, "piuart0",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
//CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x2c, 0x12c, 0, 4,
0, 0x2c, 0x12c, 0, 4,
TMPV770X_RESET_PIUART0,},
{ TMPV770X_CLK_PIUART1, "piuart1",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
//CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED, 0x2c, 0x12c, 1, 4,
0, 0x2c, 0x12c, 1, 4,
TMPV770X_RESET_PIUART1, },
{ TMPV770X_CLK_PIUART2, "piuart2",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x2c, 0x12c, 2, 4,
TMPV770X_RESET_PIUART2, },
{ TMPV770X_CLK_PIUART3, "piuart3",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x2c, 0x12c, 3, 4,
TMPV770X_RESET_PIUART3, },
{ TMPV770X_CLK_PII2C0, "pii2c0",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 0, 4,
TMPV770X_RESET_PII2C0, },
{ TMPV770X_CLK_PII2C1, "pii2c1",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 1, 4,
TMPV770X_RESET_PII2C1, },
{ TMPV770X_CLK_PII2C2, "pii2c2",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 2, 4,
TMPV770X_RESET_PII2C2, },
{ TMPV770X_CLK_PII2C3, "pii2c3",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 3, 4,
TMPV770X_RESET_PII2C3,},
{ TMPV770X_CLK_PII2C4, "pii2c4",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 4, 4,
TMPV770X_RESET_PII2C4, },
{ TMPV770X_CLK_PII2C5, "pii2c5",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 5, 4,
TMPV770X_RESET_PII2C5, },
{ TMPV770X_CLK_PII2C6, "pii2c6",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 6, 4,
TMPV770X_RESET_PII2C6, },
{ TMPV770X_CLK_PII2C7, "pii2c7",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 7, 4,
TMPV770X_RESET_PII2C7, },
{ TMPV770X_CLK_PII2C8, "pii2c8",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x30, 0x130, 8, 4,
TMPV770X_RESET_PII2C8, },
/* PIPCMIF */
{ TMPV770X_CLK_PIPCMIF, "pipcmif",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x64, 0x164, 0, 4,
TMPV770X_RESET_PIPCMIF, },
/* PISYSTEM */
{ TMPV770X_CLK_WRCK, "wrck",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x68, 0x168, 9, 32,
NO_RESET, },
{ TMPV770X_CLK_PICKMON, "pickmon",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x10, 0x110, 8, 4,
TMPV770X_RESET_PICKMON, },
{ TMPV770X_CLK_SBUSCLK, "sbusclk",
clks_parent_data, ARRAY_SIZE(clks_parent_data),
0, 0x14, 0x114, 0, 4,
TMPV770X_RESET_SBUSCLK, },
};
static const struct visconti_reset_data clk_reset_data[] = {
[TMPV770X_RESET_PIETHER_2P5M] = { 0x434, 0x534, 4, },
[TMPV770X_RESET_PIETHER_25M] = { 0x434, 0x534, 5, },
[TMPV770X_RESET_PIETHER_50M] = { 0x434, 0x534, 6, },
[TMPV770X_RESET_PIETHER_125M] = { 0x434, 0x534, 7, },
[TMPV770X_RESET_HOX] = { 0x44c, 0x54c, 0, },
[TMPV770X_RESET_PCIE_MSTR] = { 0x438, 0x538, 0, },
[TMPV770X_RESET_PCIE_AUX] = { 0x438, 0x538, 1, },
[TMPV770X_RESET_PIINTC] = { 0x408, 0x508, 0, },
[TMPV770X_RESET_PIETHER_BUS] = { 0x434, 0x534, 0, },
[TMPV770X_RESET_PISPI0] = { 0x428, 0x528, 0, },
[TMPV770X_RESET_PISPI1] = { 0x428, 0x528, 1, },
[TMPV770X_RESET_PISPI2] = { 0x428, 0x528, 2, },
[TMPV770X_RESET_PISPI3] = { 0x428, 0x528, 3, },
[TMPV770X_RESET_PISPI4] = { 0x428, 0x528, 4, },
[TMPV770X_RESET_PISPI5] = { 0x428, 0x528, 5, },
[TMPV770X_RESET_PISPI6] = { 0x428, 0x528, 6, },
[TMPV770X_RESET_PIUART0] = { 0x42c, 0x52c, 0, },
[TMPV770X_RESET_PIUART1] = { 0x42c, 0x52c, 1, },
[TMPV770X_RESET_PIUART2] = { 0x42c, 0x52c, 2, },
[TMPV770X_RESET_PIUART3] = { 0x42c, 0x52c, 3, },
[TMPV770X_RESET_PII2C0] = { 0x430, 0x530, 0, },
[TMPV770X_RESET_PII2C1] = { 0x430, 0x530, 1, },
[TMPV770X_RESET_PII2C2] = { 0x430, 0x530, 2, },
[TMPV770X_RESET_PII2C3] = { 0x430, 0x530, 3, },
[TMPV770X_RESET_PII2C4] = { 0x430, 0x530, 4, },
[TMPV770X_RESET_PII2C5] = { 0x430, 0x530, 5, },
[TMPV770X_RESET_PII2C6] = { 0x430, 0x530, 6, },
[TMPV770X_RESET_PII2C7] = { 0x430, 0x530, 7, },
[TMPV770X_RESET_PII2C8] = { 0x430, 0x530, 8, },
[TMPV770X_RESET_PIPCMIF] = { 0x464, 0x564, 0, },
[TMPV770X_RESET_PICKMON] = { 0x410, 0x510, 8, },
[TMPV770X_RESET_SBUSCLK] = { 0x414, 0x514, 0, },
};
static int visconti_clk_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct visconti_clk_provider *ctx;
struct device *dev = &pdev->dev;
struct regmap *regmap;
int ret, i;
regmap = syscon_node_to_regmap(np);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
ctx = visconti_init_clk(dev, regmap, TMPV770X_NR_CLK);
if (IS_ERR(ctx))
return PTR_ERR(ctx);
ret = visconti_register_reset_controller(dev, regmap, clk_reset_data,
TMPV770X_NR_RESET,
&visconti_reset_ops,
&tmpv770x_rst_lock);
if (ret) {
dev_err(dev, "Failed to register reset controller: %d\n", ret);
return ret;
}
for (i = 0; i < (ARRAY_SIZE(fixed_clk_tables)); i++)
ctx->clk_data.hws[fixed_clk_tables[i].id] =
clk_hw_register_fixed_factor(NULL,
fixed_clk_tables[i].name,
fixed_clk_tables[i].parent,
fixed_clk_tables[i].flag,
fixed_clk_tables[i].mult,
fixed_clk_tables[i].div);
ret = visconti_clk_register_gates(ctx, clk_gate_tables,
ARRAY_SIZE(clk_gate_tables), clk_reset_data,
&tmpv770x_clk_lock);
if (ret) {
dev_err(dev, "Failed to register main clock gate: %d\n", ret);
return ret;
}
ret = visconti_clk_register_gates(ctx, pietherpll_clk_gate_tables,
ARRAY_SIZE(pietherpll_clk_gate_tables),
clk_reset_data, &tmpv770x_clk_lock);
if (ret) {
dev_err(dev, "Failed to register pietherpll clock gate: %d\n", ret);
return ret;
}
return of_clk_add_hw_provider(np, of_clk_hw_onecell_get, &ctx->clk_data);
}
static const struct of_device_id visconti_clk_ids[] = {
{ .compatible = "toshiba,tmpv7708-pismu", },
{ }
};
static struct platform_driver visconti_clk_driver = {
.probe = visconti_clk_probe,
.driver = {
.name = "visconti-clk",
.of_match_table = visconti_clk_ids,
},
};
builtin_platform_driver(visconti_clk_driver);
|
