Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 1 | /* |
Martin Blumenstingl | 855f06a | 2017-06-04 20:33:39 +0200 | [diff] [blame] | 2 | * AmLogic S802 (Meson8) / S805 (Meson8b) / S812 (Meson8m2) Clock Controller |
| 3 | * Driver |
Paul Gortmaker | a718ce3 | 2016-07-04 17:12:11 -0400 | [diff] [blame] | 4 | * |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 5 | * Copyright (c) 2015 Endless Mobile, Inc. |
| 6 | * Author: Carlo Caione <carlo@endlessm.com> |
| 7 | * |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 8 | * Copyright (c) 2016 BayLibre, Inc. |
| 9 | * Michael Turquette <mturquette@baylibre.com> |
| 10 | * |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 11 | * This program is free software; you can redistribute it and/or modify it |
| 12 | * under the terms and conditions of the GNU General Public License, |
| 13 | * version 2, as published by the Free Software Foundation. |
| 14 | * |
| 15 | * This program is distributed in the hope it will be useful, but WITHOUT |
| 16 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 18 | * more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License along with |
| 21 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 22 | */ |
| 23 | |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 24 | #include <linux/clk.h> |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 25 | #include <linux/clk-provider.h> |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 26 | #include <linux/of_address.h> |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 27 | #include <linux/platform_device.h> |
Paul Gortmaker | a718ce3 | 2016-07-04 17:12:11 -0400 | [diff] [blame] | 28 | #include <linux/init.h> |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 29 | |
| 30 | #include "clkc.h" |
Alexander Müller | d0c175d | 2016-08-27 19:40:50 +0200 | [diff] [blame] | 31 | #include "meson8b.h" |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 32 | |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 33 | static DEFINE_SPINLOCK(clk_lock); |
| 34 | |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 35 | static const struct pll_rate_table sys_pll_rate_table[] = { |
| 36 | PLL_RATE(312000000, 52, 1, 2), |
| 37 | PLL_RATE(336000000, 56, 1, 2), |
| 38 | PLL_RATE(360000000, 60, 1, 2), |
| 39 | PLL_RATE(384000000, 64, 1, 2), |
| 40 | PLL_RATE(408000000, 68, 1, 2), |
| 41 | PLL_RATE(432000000, 72, 1, 2), |
| 42 | PLL_RATE(456000000, 76, 1, 2), |
| 43 | PLL_RATE(480000000, 80, 1, 2), |
| 44 | PLL_RATE(504000000, 84, 1, 2), |
| 45 | PLL_RATE(528000000, 88, 1, 2), |
| 46 | PLL_RATE(552000000, 92, 1, 2), |
| 47 | PLL_RATE(576000000, 96, 1, 2), |
| 48 | PLL_RATE(600000000, 50, 1, 1), |
| 49 | PLL_RATE(624000000, 52, 1, 1), |
| 50 | PLL_RATE(648000000, 54, 1, 1), |
| 51 | PLL_RATE(672000000, 56, 1, 1), |
| 52 | PLL_RATE(696000000, 58, 1, 1), |
| 53 | PLL_RATE(720000000, 60, 1, 1), |
| 54 | PLL_RATE(744000000, 62, 1, 1), |
| 55 | PLL_RATE(768000000, 64, 1, 1), |
| 56 | PLL_RATE(792000000, 66, 1, 1), |
| 57 | PLL_RATE(816000000, 68, 1, 1), |
| 58 | PLL_RATE(840000000, 70, 1, 1), |
| 59 | PLL_RATE(864000000, 72, 1, 1), |
| 60 | PLL_RATE(888000000, 74, 1, 1), |
| 61 | PLL_RATE(912000000, 76, 1, 1), |
| 62 | PLL_RATE(936000000, 78, 1, 1), |
| 63 | PLL_RATE(960000000, 80, 1, 1), |
| 64 | PLL_RATE(984000000, 82, 1, 1), |
| 65 | PLL_RATE(1008000000, 84, 1, 1), |
| 66 | PLL_RATE(1032000000, 86, 1, 1), |
| 67 | PLL_RATE(1056000000, 88, 1, 1), |
| 68 | PLL_RATE(1080000000, 90, 1, 1), |
| 69 | PLL_RATE(1104000000, 92, 1, 1), |
| 70 | PLL_RATE(1128000000, 94, 1, 1), |
| 71 | PLL_RATE(1152000000, 96, 1, 1), |
| 72 | PLL_RATE(1176000000, 98, 1, 1), |
| 73 | PLL_RATE(1200000000, 50, 1, 0), |
| 74 | PLL_RATE(1224000000, 51, 1, 0), |
| 75 | PLL_RATE(1248000000, 52, 1, 0), |
| 76 | PLL_RATE(1272000000, 53, 1, 0), |
| 77 | PLL_RATE(1296000000, 54, 1, 0), |
| 78 | PLL_RATE(1320000000, 55, 1, 0), |
| 79 | PLL_RATE(1344000000, 56, 1, 0), |
| 80 | PLL_RATE(1368000000, 57, 1, 0), |
| 81 | PLL_RATE(1392000000, 58, 1, 0), |
| 82 | PLL_RATE(1416000000, 59, 1, 0), |
| 83 | PLL_RATE(1440000000, 60, 1, 0), |
| 84 | PLL_RATE(1464000000, 61, 1, 0), |
| 85 | PLL_RATE(1488000000, 62, 1, 0), |
| 86 | PLL_RATE(1512000000, 63, 1, 0), |
| 87 | PLL_RATE(1536000000, 64, 1, 0), |
| 88 | { /* sentinel */ }, |
| 89 | }; |
| 90 | |
| 91 | static const struct clk_div_table cpu_div_table[] = { |
| 92 | { .val = 1, .div = 1 }, |
| 93 | { .val = 2, .div = 2 }, |
| 94 | { .val = 3, .div = 3 }, |
| 95 | { .val = 2, .div = 4 }, |
| 96 | { .val = 3, .div = 6 }, |
| 97 | { .val = 4, .div = 8 }, |
| 98 | { .val = 5, .div = 10 }, |
| 99 | { .val = 6, .div = 12 }, |
| 100 | { .val = 7, .div = 14 }, |
| 101 | { .val = 8, .div = 16 }, |
| 102 | { /* sentinel */ }, |
| 103 | }; |
| 104 | |
Michael Turquette | e92f7cc | 2016-04-28 12:00:52 -0700 | [diff] [blame] | 105 | static struct clk_fixed_rate meson8b_xtal = { |
| 106 | .fixed_rate = 24000000, |
| 107 | .hw.init = &(struct clk_init_data){ |
| 108 | .name = "xtal", |
| 109 | .num_parents = 0, |
| 110 | .ops = &clk_fixed_rate_ops, |
| 111 | }, |
| 112 | }; |
| 113 | |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 114 | static struct meson_clk_pll meson8b_fixed_pll = { |
| 115 | .m = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 116 | .reg_off = HHI_MPLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 117 | .shift = 0, |
| 118 | .width = 9, |
| 119 | }, |
| 120 | .n = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 121 | .reg_off = HHI_MPLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 122 | .shift = 9, |
| 123 | .width = 5, |
| 124 | }, |
| 125 | .od = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 126 | .reg_off = HHI_MPLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 127 | .shift = 16, |
| 128 | .width = 2, |
| 129 | }, |
| 130 | .lock = &clk_lock, |
| 131 | .hw.init = &(struct clk_init_data){ |
| 132 | .name = "fixed_pll", |
| 133 | .ops = &meson_clk_pll_ro_ops, |
| 134 | .parent_names = (const char *[]){ "xtal" }, |
| 135 | .num_parents = 1, |
| 136 | .flags = CLK_GET_RATE_NOCACHE, |
| 137 | }, |
| 138 | }; |
| 139 | |
| 140 | static struct meson_clk_pll meson8b_vid_pll = { |
| 141 | .m = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 142 | .reg_off = HHI_VID_PLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 143 | .shift = 0, |
| 144 | .width = 9, |
| 145 | }, |
| 146 | .n = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 147 | .reg_off = HHI_VID_PLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 148 | .shift = 9, |
| 149 | .width = 5, |
| 150 | }, |
| 151 | .od = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 152 | .reg_off = HHI_VID_PLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 153 | .shift = 16, |
| 154 | .width = 2, |
| 155 | }, |
| 156 | .lock = &clk_lock, |
| 157 | .hw.init = &(struct clk_init_data){ |
| 158 | .name = "vid_pll", |
| 159 | .ops = &meson_clk_pll_ro_ops, |
| 160 | .parent_names = (const char *[]){ "xtal" }, |
| 161 | .num_parents = 1, |
| 162 | .flags = CLK_GET_RATE_NOCACHE, |
| 163 | }, |
| 164 | }; |
| 165 | |
| 166 | static struct meson_clk_pll meson8b_sys_pll = { |
| 167 | .m = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 168 | .reg_off = HHI_SYS_PLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 169 | .shift = 0, |
| 170 | .width = 9, |
| 171 | }, |
| 172 | .n = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 173 | .reg_off = HHI_SYS_PLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 174 | .shift = 9, |
| 175 | .width = 5, |
| 176 | }, |
| 177 | .od = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 178 | .reg_off = HHI_SYS_PLL_CNTL, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 179 | .shift = 16, |
| 180 | .width = 2, |
| 181 | }, |
| 182 | .rate_table = sys_pll_rate_table, |
| 183 | .rate_count = ARRAY_SIZE(sys_pll_rate_table), |
| 184 | .lock = &clk_lock, |
| 185 | .hw.init = &(struct clk_init_data){ |
| 186 | .name = "sys_pll", |
| 187 | .ops = &meson_clk_pll_ops, |
| 188 | .parent_names = (const char *[]){ "xtal" }, |
| 189 | .num_parents = 1, |
| 190 | .flags = CLK_GET_RATE_NOCACHE, |
| 191 | }, |
| 192 | }; |
| 193 | |
Michael Turquette | 6282a2d | 2016-04-28 12:01:58 -0700 | [diff] [blame] | 194 | static struct clk_fixed_factor meson8b_fclk_div2 = { |
| 195 | .mult = 1, |
| 196 | .div = 2, |
| 197 | .hw.init = &(struct clk_init_data){ |
| 198 | .name = "fclk_div2", |
| 199 | .ops = &clk_fixed_factor_ops, |
| 200 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 201 | .num_parents = 1, |
| 202 | }, |
| 203 | }; |
| 204 | |
| 205 | static struct clk_fixed_factor meson8b_fclk_div3 = { |
| 206 | .mult = 1, |
| 207 | .div = 3, |
| 208 | .hw.init = &(struct clk_init_data){ |
| 209 | .name = "fclk_div3", |
| 210 | .ops = &clk_fixed_factor_ops, |
| 211 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 212 | .num_parents = 1, |
| 213 | }, |
| 214 | }; |
| 215 | |
| 216 | static struct clk_fixed_factor meson8b_fclk_div4 = { |
| 217 | .mult = 1, |
| 218 | .div = 4, |
| 219 | .hw.init = &(struct clk_init_data){ |
| 220 | .name = "fclk_div4", |
| 221 | .ops = &clk_fixed_factor_ops, |
| 222 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 223 | .num_parents = 1, |
| 224 | }, |
| 225 | }; |
| 226 | |
| 227 | static struct clk_fixed_factor meson8b_fclk_div5 = { |
| 228 | .mult = 1, |
| 229 | .div = 5, |
| 230 | .hw.init = &(struct clk_init_data){ |
| 231 | .name = "fclk_div5", |
| 232 | .ops = &clk_fixed_factor_ops, |
| 233 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 234 | .num_parents = 1, |
| 235 | }, |
| 236 | }; |
| 237 | |
| 238 | static struct clk_fixed_factor meson8b_fclk_div7 = { |
| 239 | .mult = 1, |
| 240 | .div = 7, |
| 241 | .hw.init = &(struct clk_init_data){ |
| 242 | .name = "fclk_div7", |
| 243 | .ops = &clk_fixed_factor_ops, |
| 244 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 245 | .num_parents = 1, |
| 246 | }, |
| 247 | }; |
| 248 | |
Jerome Brunet | b778f74 | 2017-03-09 11:41:52 +0100 | [diff] [blame] | 249 | static struct meson_clk_mpll meson8b_mpll0 = { |
| 250 | .sdm = { |
| 251 | .reg_off = HHI_MPLL_CNTL7, |
| 252 | .shift = 0, |
| 253 | .width = 14, |
| 254 | }, |
| 255 | .sdm_en = { |
| 256 | .reg_off = HHI_MPLL_CNTL7, |
| 257 | .shift = 15, |
| 258 | .width = 1, |
| 259 | }, |
| 260 | .n2 = { |
| 261 | .reg_off = HHI_MPLL_CNTL7, |
| 262 | .shift = 16, |
| 263 | .width = 9, |
| 264 | }, |
| 265 | .en = { |
| 266 | .reg_off = HHI_MPLL_CNTL7, |
| 267 | .shift = 14, |
| 268 | .width = 1, |
| 269 | }, |
Jerome Brunet | 1f737ff | 2017-07-28 18:32:28 +0200 | [diff] [blame] | 270 | .ssen = { |
| 271 | .reg_off = HHI_MPLL_CNTL, |
| 272 | .shift = 25, |
| 273 | .width = 1, |
| 274 | }, |
Jerome Brunet | b778f74 | 2017-03-09 11:41:52 +0100 | [diff] [blame] | 275 | .lock = &clk_lock, |
| 276 | .hw.init = &(struct clk_init_data){ |
| 277 | .name = "mpll0", |
| 278 | .ops = &meson_clk_mpll_ops, |
| 279 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 280 | .num_parents = 1, |
| 281 | }, |
| 282 | }; |
| 283 | |
| 284 | static struct meson_clk_mpll meson8b_mpll1 = { |
| 285 | .sdm = { |
| 286 | .reg_off = HHI_MPLL_CNTL8, |
| 287 | .shift = 0, |
| 288 | .width = 14, |
| 289 | }, |
| 290 | .sdm_en = { |
| 291 | .reg_off = HHI_MPLL_CNTL8, |
| 292 | .shift = 15, |
| 293 | .width = 1, |
| 294 | }, |
| 295 | .n2 = { |
| 296 | .reg_off = HHI_MPLL_CNTL8, |
| 297 | .shift = 16, |
| 298 | .width = 9, |
| 299 | }, |
| 300 | .en = { |
| 301 | .reg_off = HHI_MPLL_CNTL8, |
| 302 | .shift = 14, |
| 303 | .width = 1, |
| 304 | }, |
| 305 | .lock = &clk_lock, |
| 306 | .hw.init = &(struct clk_init_data){ |
| 307 | .name = "mpll1", |
| 308 | .ops = &meson_clk_mpll_ops, |
| 309 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 310 | .num_parents = 1, |
| 311 | }, |
| 312 | }; |
| 313 | |
| 314 | static struct meson_clk_mpll meson8b_mpll2 = { |
| 315 | .sdm = { |
| 316 | .reg_off = HHI_MPLL_CNTL9, |
| 317 | .shift = 0, |
| 318 | .width = 14, |
| 319 | }, |
| 320 | .sdm_en = { |
| 321 | .reg_off = HHI_MPLL_CNTL9, |
| 322 | .shift = 15, |
| 323 | .width = 1, |
| 324 | }, |
| 325 | .n2 = { |
| 326 | .reg_off = HHI_MPLL_CNTL9, |
| 327 | .shift = 16, |
| 328 | .width = 9, |
| 329 | }, |
| 330 | .en = { |
| 331 | .reg_off = HHI_MPLL_CNTL9, |
| 332 | .shift = 14, |
| 333 | .width = 1, |
| 334 | }, |
| 335 | .lock = &clk_lock, |
| 336 | .hw.init = &(struct clk_init_data){ |
| 337 | .name = "mpll2", |
| 338 | .ops = &meson_clk_mpll_ops, |
| 339 | .parent_names = (const char *[]){ "fixed_pll" }, |
| 340 | .num_parents = 1, |
| 341 | }, |
| 342 | }; |
| 343 | |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 344 | /* |
| 345 | * FIXME cpu clocks and the legacy composite clocks (e.g. clk81) are both PLL |
| 346 | * post-dividers and should be modeled with their respective PLLs via the |
| 347 | * forthcoming coordinated clock rates feature |
| 348 | */ |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 349 | static struct meson_clk_cpu meson8b_cpu_clk = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 350 | .reg_off = HHI_SYS_CPU_CLK_CNTL1, |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 351 | .div_table = cpu_div_table, |
| 352 | .clk_nb.notifier_call = meson_clk_cpu_notifier_cb, |
| 353 | .hw.init = &(struct clk_init_data){ |
| 354 | .name = "cpu_clk", |
| 355 | .ops = &meson_clk_cpu_ops, |
| 356 | .parent_names = (const char *[]){ "sys_pll" }, |
| 357 | .num_parents = 1, |
| 358 | }, |
| 359 | }; |
| 360 | |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 361 | static u32 mux_table_clk81[] = { 6, 5, 7 }; |
| 362 | |
| 363 | struct clk_mux meson8b_mpeg_clk_sel = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 364 | .reg = (void *)HHI_MPEG_CLK_CNTL, |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 365 | .mask = 0x7, |
| 366 | .shift = 12, |
| 367 | .flags = CLK_MUX_READ_ONLY, |
| 368 | .table = mux_table_clk81, |
| 369 | .lock = &clk_lock, |
| 370 | .hw.init = &(struct clk_init_data){ |
| 371 | .name = "mpeg_clk_sel", |
| 372 | .ops = &clk_mux_ro_ops, |
| 373 | /* |
| 374 | * FIXME bits 14:12 selects from 8 possible parents: |
| 375 | * xtal, 1'b0 (wtf), fclk_div7, mpll_clkout1, mpll_clkout2, |
| 376 | * fclk_div4, fclk_div3, fclk_div5 |
| 377 | */ |
| 378 | .parent_names = (const char *[]){ "fclk_div3", "fclk_div4", |
| 379 | "fclk_div5" }, |
| 380 | .num_parents = 3, |
| 381 | .flags = (CLK_SET_RATE_NO_REPARENT | CLK_IGNORE_UNUSED), |
| 382 | }, |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 383 | }; |
| 384 | |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 385 | struct clk_divider meson8b_mpeg_clk_div = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 386 | .reg = (void *)HHI_MPEG_CLK_CNTL, |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 387 | .shift = 0, |
| 388 | .width = 7, |
| 389 | .lock = &clk_lock, |
| 390 | .hw.init = &(struct clk_init_data){ |
| 391 | .name = "mpeg_clk_div", |
| 392 | .ops = &clk_divider_ops, |
| 393 | .parent_names = (const char *[]){ "mpeg_clk_sel" }, |
| 394 | .num_parents = 1, |
| 395 | .flags = (CLK_SET_RATE_PARENT | CLK_IGNORE_UNUSED), |
| 396 | }, |
| 397 | }; |
| 398 | |
| 399 | struct clk_gate meson8b_clk81 = { |
Alexander Müller | e0818a3 | 2016-08-27 19:40:51 +0200 | [diff] [blame] | 400 | .reg = (void *)HHI_MPEG_CLK_CNTL, |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 401 | .bit_idx = 7, |
| 402 | .lock = &clk_lock, |
| 403 | .hw.init = &(struct clk_init_data){ |
| 404 | .name = "clk81", |
| 405 | .ops = &clk_gate_ops, |
| 406 | .parent_names = (const char *[]){ "mpeg_clk_div" }, |
| 407 | .num_parents = 1, |
Martin Blumenstingl | be58e49 | 2017-05-24 11:39:31 +0200 | [diff] [blame] | 408 | .flags = (CLK_SET_RATE_PARENT | CLK_IS_CRITICAL), |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 409 | }, |
| 410 | }; |
| 411 | |
Alexander Müller | e31a190 | 2016-08-27 19:40:54 +0200 | [diff] [blame] | 412 | /* Everything Else (EE) domain gates */ |
| 413 | |
| 414 | static MESON_GATE(meson8b_ddr, HHI_GCLK_MPEG0, 0); |
| 415 | static MESON_GATE(meson8b_dos, HHI_GCLK_MPEG0, 1); |
| 416 | static MESON_GATE(meson8b_isa, HHI_GCLK_MPEG0, 5); |
| 417 | static MESON_GATE(meson8b_pl301, HHI_GCLK_MPEG0, 6); |
| 418 | static MESON_GATE(meson8b_periphs, HHI_GCLK_MPEG0, 7); |
| 419 | static MESON_GATE(meson8b_spicc, HHI_GCLK_MPEG0, 8); |
| 420 | static MESON_GATE(meson8b_i2c, HHI_GCLK_MPEG0, 9); |
| 421 | static MESON_GATE(meson8b_sar_adc, HHI_GCLK_MPEG0, 10); |
| 422 | static MESON_GATE(meson8b_smart_card, HHI_GCLK_MPEG0, 11); |
| 423 | static MESON_GATE(meson8b_rng0, HHI_GCLK_MPEG0, 12); |
| 424 | static MESON_GATE(meson8b_uart0, HHI_GCLK_MPEG0, 13); |
| 425 | static MESON_GATE(meson8b_sdhc, HHI_GCLK_MPEG0, 14); |
| 426 | static MESON_GATE(meson8b_stream, HHI_GCLK_MPEG0, 15); |
| 427 | static MESON_GATE(meson8b_async_fifo, HHI_GCLK_MPEG0, 16); |
| 428 | static MESON_GATE(meson8b_sdio, HHI_GCLK_MPEG0, 17); |
| 429 | static MESON_GATE(meson8b_abuf, HHI_GCLK_MPEG0, 18); |
| 430 | static MESON_GATE(meson8b_hiu_iface, HHI_GCLK_MPEG0, 19); |
| 431 | static MESON_GATE(meson8b_assist_misc, HHI_GCLK_MPEG0, 23); |
| 432 | static MESON_GATE(meson8b_spi, HHI_GCLK_MPEG0, 30); |
| 433 | |
| 434 | static MESON_GATE(meson8b_i2s_spdif, HHI_GCLK_MPEG1, 2); |
| 435 | static MESON_GATE(meson8b_eth, HHI_GCLK_MPEG1, 3); |
| 436 | static MESON_GATE(meson8b_demux, HHI_GCLK_MPEG1, 4); |
| 437 | static MESON_GATE(meson8b_aiu_glue, HHI_GCLK_MPEG1, 6); |
| 438 | static MESON_GATE(meson8b_iec958, HHI_GCLK_MPEG1, 7); |
| 439 | static MESON_GATE(meson8b_i2s_out, HHI_GCLK_MPEG1, 8); |
| 440 | static MESON_GATE(meson8b_amclk, HHI_GCLK_MPEG1, 9); |
| 441 | static MESON_GATE(meson8b_aififo2, HHI_GCLK_MPEG1, 10); |
| 442 | static MESON_GATE(meson8b_mixer, HHI_GCLK_MPEG1, 11); |
| 443 | static MESON_GATE(meson8b_mixer_iface, HHI_GCLK_MPEG1, 12); |
| 444 | static MESON_GATE(meson8b_adc, HHI_GCLK_MPEG1, 13); |
| 445 | static MESON_GATE(meson8b_blkmv, HHI_GCLK_MPEG1, 14); |
| 446 | static MESON_GATE(meson8b_aiu, HHI_GCLK_MPEG1, 15); |
| 447 | static MESON_GATE(meson8b_uart1, HHI_GCLK_MPEG1, 16); |
| 448 | static MESON_GATE(meson8b_g2d, HHI_GCLK_MPEG1, 20); |
| 449 | static MESON_GATE(meson8b_usb0, HHI_GCLK_MPEG1, 21); |
| 450 | static MESON_GATE(meson8b_usb1, HHI_GCLK_MPEG1, 22); |
| 451 | static MESON_GATE(meson8b_reset, HHI_GCLK_MPEG1, 23); |
| 452 | static MESON_GATE(meson8b_nand, HHI_GCLK_MPEG1, 24); |
| 453 | static MESON_GATE(meson8b_dos_parser, HHI_GCLK_MPEG1, 25); |
| 454 | static MESON_GATE(meson8b_usb, HHI_GCLK_MPEG1, 26); |
| 455 | static MESON_GATE(meson8b_vdin1, HHI_GCLK_MPEG1, 28); |
| 456 | static MESON_GATE(meson8b_ahb_arb0, HHI_GCLK_MPEG1, 29); |
| 457 | static MESON_GATE(meson8b_efuse, HHI_GCLK_MPEG1, 30); |
| 458 | static MESON_GATE(meson8b_boot_rom, HHI_GCLK_MPEG1, 31); |
| 459 | |
| 460 | static MESON_GATE(meson8b_ahb_data_bus, HHI_GCLK_MPEG2, 1); |
| 461 | static MESON_GATE(meson8b_ahb_ctrl_bus, HHI_GCLK_MPEG2, 2); |
| 462 | static MESON_GATE(meson8b_hdmi_intr_sync, HHI_GCLK_MPEG2, 3); |
| 463 | static MESON_GATE(meson8b_hdmi_pclk, HHI_GCLK_MPEG2, 4); |
| 464 | static MESON_GATE(meson8b_usb1_ddr_bridge, HHI_GCLK_MPEG2, 8); |
| 465 | static MESON_GATE(meson8b_usb0_ddr_bridge, HHI_GCLK_MPEG2, 9); |
| 466 | static MESON_GATE(meson8b_mmc_pclk, HHI_GCLK_MPEG2, 11); |
| 467 | static MESON_GATE(meson8b_dvin, HHI_GCLK_MPEG2, 12); |
| 468 | static MESON_GATE(meson8b_uart2, HHI_GCLK_MPEG2, 15); |
| 469 | static MESON_GATE(meson8b_sana, HHI_GCLK_MPEG2, 22); |
| 470 | static MESON_GATE(meson8b_vpu_intr, HHI_GCLK_MPEG2, 25); |
| 471 | static MESON_GATE(meson8b_sec_ahb_ahb3_bridge, HHI_GCLK_MPEG2, 26); |
| 472 | static MESON_GATE(meson8b_clk81_a9, HHI_GCLK_MPEG2, 29); |
| 473 | |
| 474 | static MESON_GATE(meson8b_vclk2_venci0, HHI_GCLK_OTHER, 1); |
| 475 | static MESON_GATE(meson8b_vclk2_venci1, HHI_GCLK_OTHER, 2); |
| 476 | static MESON_GATE(meson8b_vclk2_vencp0, HHI_GCLK_OTHER, 3); |
| 477 | static MESON_GATE(meson8b_vclk2_vencp1, HHI_GCLK_OTHER, 4); |
| 478 | static MESON_GATE(meson8b_gclk_venci_int, HHI_GCLK_OTHER, 8); |
| 479 | static MESON_GATE(meson8b_gclk_vencp_int, HHI_GCLK_OTHER, 9); |
| 480 | static MESON_GATE(meson8b_dac_clk, HHI_GCLK_OTHER, 10); |
| 481 | static MESON_GATE(meson8b_aoclk_gate, HHI_GCLK_OTHER, 14); |
| 482 | static MESON_GATE(meson8b_iec958_gate, HHI_GCLK_OTHER, 16); |
| 483 | static MESON_GATE(meson8b_enc480p, HHI_GCLK_OTHER, 20); |
| 484 | static MESON_GATE(meson8b_rng1, HHI_GCLK_OTHER, 21); |
| 485 | static MESON_GATE(meson8b_gclk_vencl_int, HHI_GCLK_OTHER, 22); |
| 486 | static MESON_GATE(meson8b_vclk2_venclmcc, HHI_GCLK_OTHER, 24); |
| 487 | static MESON_GATE(meson8b_vclk2_vencl, HHI_GCLK_OTHER, 25); |
| 488 | static MESON_GATE(meson8b_vclk2_other, HHI_GCLK_OTHER, 26); |
| 489 | static MESON_GATE(meson8b_edp, HHI_GCLK_OTHER, 31); |
| 490 | |
| 491 | /* Always On (AO) domain gates */ |
| 492 | |
| 493 | static MESON_GATE(meson8b_ao_media_cpu, HHI_GCLK_AO, 0); |
| 494 | static MESON_GATE(meson8b_ao_ahb_sram, HHI_GCLK_AO, 1); |
| 495 | static MESON_GATE(meson8b_ao_ahb_bus, HHI_GCLK_AO, 2); |
| 496 | static MESON_GATE(meson8b_ao_iface, HHI_GCLK_AO, 3); |
| 497 | |
Michael Turquette | e92f7cc | 2016-04-28 12:00:52 -0700 | [diff] [blame] | 498 | static struct clk_hw_onecell_data meson8b_hw_onecell_data = { |
| 499 | .hws = { |
| 500 | [CLKID_XTAL] = &meson8b_xtal.hw, |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 501 | [CLKID_PLL_FIXED] = &meson8b_fixed_pll.hw, |
| 502 | [CLKID_PLL_VID] = &meson8b_vid_pll.hw, |
| 503 | [CLKID_PLL_SYS] = &meson8b_sys_pll.hw, |
Michael Turquette | 6282a2d | 2016-04-28 12:01:58 -0700 | [diff] [blame] | 504 | [CLKID_FCLK_DIV2] = &meson8b_fclk_div2.hw, |
| 505 | [CLKID_FCLK_DIV3] = &meson8b_fclk_div3.hw, |
| 506 | [CLKID_FCLK_DIV4] = &meson8b_fclk_div4.hw, |
| 507 | [CLKID_FCLK_DIV5] = &meson8b_fclk_div5.hw, |
| 508 | [CLKID_FCLK_DIV7] = &meson8b_fclk_div7.hw, |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 509 | [CLKID_CPUCLK] = &meson8b_cpu_clk.hw, |
Michael Turquette | c0daa3e | 2016-04-28 12:01:51 -0700 | [diff] [blame] | 510 | [CLKID_MPEG_SEL] = &meson8b_mpeg_clk_sel.hw, |
| 511 | [CLKID_MPEG_DIV] = &meson8b_mpeg_clk_div.hw, |
| 512 | [CLKID_CLK81] = &meson8b_clk81.hw, |
Alexander Müller | e31a190 | 2016-08-27 19:40:54 +0200 | [diff] [blame] | 513 | [CLKID_DDR] = &meson8b_ddr.hw, |
| 514 | [CLKID_DOS] = &meson8b_dos.hw, |
| 515 | [CLKID_ISA] = &meson8b_isa.hw, |
| 516 | [CLKID_PL301] = &meson8b_pl301.hw, |
| 517 | [CLKID_PERIPHS] = &meson8b_periphs.hw, |
| 518 | [CLKID_SPICC] = &meson8b_spicc.hw, |
| 519 | [CLKID_I2C] = &meson8b_i2c.hw, |
| 520 | [CLKID_SAR_ADC] = &meson8b_sar_adc.hw, |
| 521 | [CLKID_SMART_CARD] = &meson8b_smart_card.hw, |
| 522 | [CLKID_RNG0] = &meson8b_rng0.hw, |
| 523 | [CLKID_UART0] = &meson8b_uart0.hw, |
| 524 | [CLKID_SDHC] = &meson8b_sdhc.hw, |
| 525 | [CLKID_STREAM] = &meson8b_stream.hw, |
| 526 | [CLKID_ASYNC_FIFO] = &meson8b_async_fifo.hw, |
| 527 | [CLKID_SDIO] = &meson8b_sdio.hw, |
| 528 | [CLKID_ABUF] = &meson8b_abuf.hw, |
| 529 | [CLKID_HIU_IFACE] = &meson8b_hiu_iface.hw, |
| 530 | [CLKID_ASSIST_MISC] = &meson8b_assist_misc.hw, |
| 531 | [CLKID_SPI] = &meson8b_spi.hw, |
| 532 | [CLKID_I2S_SPDIF] = &meson8b_i2s_spdif.hw, |
| 533 | [CLKID_ETH] = &meson8b_eth.hw, |
| 534 | [CLKID_DEMUX] = &meson8b_demux.hw, |
| 535 | [CLKID_AIU_GLUE] = &meson8b_aiu_glue.hw, |
| 536 | [CLKID_IEC958] = &meson8b_iec958.hw, |
| 537 | [CLKID_I2S_OUT] = &meson8b_i2s_out.hw, |
| 538 | [CLKID_AMCLK] = &meson8b_amclk.hw, |
| 539 | [CLKID_AIFIFO2] = &meson8b_aififo2.hw, |
| 540 | [CLKID_MIXER] = &meson8b_mixer.hw, |
| 541 | [CLKID_MIXER_IFACE] = &meson8b_mixer_iface.hw, |
| 542 | [CLKID_ADC] = &meson8b_adc.hw, |
| 543 | [CLKID_BLKMV] = &meson8b_blkmv.hw, |
| 544 | [CLKID_AIU] = &meson8b_aiu.hw, |
| 545 | [CLKID_UART1] = &meson8b_uart1.hw, |
| 546 | [CLKID_G2D] = &meson8b_g2d.hw, |
| 547 | [CLKID_USB0] = &meson8b_usb0.hw, |
| 548 | [CLKID_USB1] = &meson8b_usb1.hw, |
| 549 | [CLKID_RESET] = &meson8b_reset.hw, |
| 550 | [CLKID_NAND] = &meson8b_nand.hw, |
| 551 | [CLKID_DOS_PARSER] = &meson8b_dos_parser.hw, |
| 552 | [CLKID_USB] = &meson8b_usb.hw, |
| 553 | [CLKID_VDIN1] = &meson8b_vdin1.hw, |
| 554 | [CLKID_AHB_ARB0] = &meson8b_ahb_arb0.hw, |
| 555 | [CLKID_EFUSE] = &meson8b_efuse.hw, |
| 556 | [CLKID_BOOT_ROM] = &meson8b_boot_rom.hw, |
| 557 | [CLKID_AHB_DATA_BUS] = &meson8b_ahb_data_bus.hw, |
| 558 | [CLKID_AHB_CTRL_BUS] = &meson8b_ahb_ctrl_bus.hw, |
| 559 | [CLKID_HDMI_INTR_SYNC] = &meson8b_hdmi_intr_sync.hw, |
| 560 | [CLKID_HDMI_PCLK] = &meson8b_hdmi_pclk.hw, |
| 561 | [CLKID_USB1_DDR_BRIDGE] = &meson8b_usb1_ddr_bridge.hw, |
| 562 | [CLKID_USB0_DDR_BRIDGE] = &meson8b_usb0_ddr_bridge.hw, |
| 563 | [CLKID_MMC_PCLK] = &meson8b_mmc_pclk.hw, |
| 564 | [CLKID_DVIN] = &meson8b_dvin.hw, |
| 565 | [CLKID_UART2] = &meson8b_uart2.hw, |
| 566 | [CLKID_SANA] = &meson8b_sana.hw, |
| 567 | [CLKID_VPU_INTR] = &meson8b_vpu_intr.hw, |
| 568 | [CLKID_SEC_AHB_AHB3_BRIDGE] = &meson8b_sec_ahb_ahb3_bridge.hw, |
| 569 | [CLKID_CLK81_A9] = &meson8b_clk81_a9.hw, |
| 570 | [CLKID_VCLK2_VENCI0] = &meson8b_vclk2_venci0.hw, |
| 571 | [CLKID_VCLK2_VENCI1] = &meson8b_vclk2_venci1.hw, |
| 572 | [CLKID_VCLK2_VENCP0] = &meson8b_vclk2_vencp0.hw, |
| 573 | [CLKID_VCLK2_VENCP1] = &meson8b_vclk2_vencp1.hw, |
| 574 | [CLKID_GCLK_VENCI_INT] = &meson8b_gclk_venci_int.hw, |
Arnd Bergmann | 0d5aa65 | 2016-09-06 15:01:10 +0200 | [diff] [blame] | 575 | [CLKID_GCLK_VENCP_INT] = &meson8b_gclk_vencp_int.hw, |
Alexander Müller | e31a190 | 2016-08-27 19:40:54 +0200 | [diff] [blame] | 576 | [CLKID_DAC_CLK] = &meson8b_dac_clk.hw, |
| 577 | [CLKID_AOCLK_GATE] = &meson8b_aoclk_gate.hw, |
| 578 | [CLKID_IEC958_GATE] = &meson8b_iec958_gate.hw, |
| 579 | [CLKID_ENC480P] = &meson8b_enc480p.hw, |
| 580 | [CLKID_RNG1] = &meson8b_rng1.hw, |
| 581 | [CLKID_GCLK_VENCL_INT] = &meson8b_gclk_vencl_int.hw, |
| 582 | [CLKID_VCLK2_VENCLMCC] = &meson8b_vclk2_venclmcc.hw, |
| 583 | [CLKID_VCLK2_VENCL] = &meson8b_vclk2_vencl.hw, |
| 584 | [CLKID_VCLK2_OTHER] = &meson8b_vclk2_other.hw, |
| 585 | [CLKID_EDP] = &meson8b_edp.hw, |
| 586 | [CLKID_AO_MEDIA_CPU] = &meson8b_ao_media_cpu.hw, |
| 587 | [CLKID_AO_AHB_SRAM] = &meson8b_ao_ahb_sram.hw, |
| 588 | [CLKID_AO_AHB_BUS] = &meson8b_ao_ahb_bus.hw, |
| 589 | [CLKID_AO_IFACE] = &meson8b_ao_iface.hw, |
Jerome Brunet | b778f74 | 2017-03-09 11:41:52 +0100 | [diff] [blame] | 590 | [CLKID_MPLL0] = &meson8b_mpll0.hw, |
| 591 | [CLKID_MPLL1] = &meson8b_mpll1.hw, |
| 592 | [CLKID_MPLL2] = &meson8b_mpll2.hw, |
Michael Turquette | e92f7cc | 2016-04-28 12:00:52 -0700 | [diff] [blame] | 593 | }, |
| 594 | .num = CLK_NR_CLKS, |
| 595 | }; |
| 596 | |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 597 | static struct meson_clk_pll *const meson8b_clk_plls[] = { |
| 598 | &meson8b_fixed_pll, |
| 599 | &meson8b_vid_pll, |
| 600 | &meson8b_sys_pll, |
| 601 | }; |
| 602 | |
Jerome Brunet | b778f74 | 2017-03-09 11:41:52 +0100 | [diff] [blame] | 603 | static struct meson_clk_mpll *const meson8b_clk_mplls[] = { |
| 604 | &meson8b_mpll0, |
| 605 | &meson8b_mpll1, |
| 606 | &meson8b_mpll2, |
| 607 | }; |
| 608 | |
Jerome Brunet | f7e3a82 | 2017-03-09 11:41:47 +0100 | [diff] [blame] | 609 | static struct clk_gate *const meson8b_clk_gates[] = { |
Alexander Müller | e31a190 | 2016-08-27 19:40:54 +0200 | [diff] [blame] | 610 | &meson8b_clk81, |
| 611 | &meson8b_ddr, |
| 612 | &meson8b_dos, |
| 613 | &meson8b_isa, |
| 614 | &meson8b_pl301, |
| 615 | &meson8b_periphs, |
| 616 | &meson8b_spicc, |
| 617 | &meson8b_i2c, |
| 618 | &meson8b_sar_adc, |
| 619 | &meson8b_smart_card, |
| 620 | &meson8b_rng0, |
| 621 | &meson8b_uart0, |
| 622 | &meson8b_sdhc, |
| 623 | &meson8b_stream, |
| 624 | &meson8b_async_fifo, |
| 625 | &meson8b_sdio, |
| 626 | &meson8b_abuf, |
| 627 | &meson8b_hiu_iface, |
| 628 | &meson8b_assist_misc, |
| 629 | &meson8b_spi, |
| 630 | &meson8b_i2s_spdif, |
| 631 | &meson8b_eth, |
| 632 | &meson8b_demux, |
| 633 | &meson8b_aiu_glue, |
| 634 | &meson8b_iec958, |
| 635 | &meson8b_i2s_out, |
| 636 | &meson8b_amclk, |
| 637 | &meson8b_aififo2, |
| 638 | &meson8b_mixer, |
| 639 | &meson8b_mixer_iface, |
| 640 | &meson8b_adc, |
| 641 | &meson8b_blkmv, |
| 642 | &meson8b_aiu, |
| 643 | &meson8b_uart1, |
| 644 | &meson8b_g2d, |
| 645 | &meson8b_usb0, |
| 646 | &meson8b_usb1, |
| 647 | &meson8b_reset, |
| 648 | &meson8b_nand, |
| 649 | &meson8b_dos_parser, |
| 650 | &meson8b_usb, |
| 651 | &meson8b_vdin1, |
| 652 | &meson8b_ahb_arb0, |
| 653 | &meson8b_efuse, |
| 654 | &meson8b_boot_rom, |
| 655 | &meson8b_ahb_data_bus, |
| 656 | &meson8b_ahb_ctrl_bus, |
| 657 | &meson8b_hdmi_intr_sync, |
| 658 | &meson8b_hdmi_pclk, |
| 659 | &meson8b_usb1_ddr_bridge, |
| 660 | &meson8b_usb0_ddr_bridge, |
| 661 | &meson8b_mmc_pclk, |
| 662 | &meson8b_dvin, |
| 663 | &meson8b_uart2, |
| 664 | &meson8b_sana, |
| 665 | &meson8b_vpu_intr, |
| 666 | &meson8b_sec_ahb_ahb3_bridge, |
| 667 | &meson8b_clk81_a9, |
| 668 | &meson8b_vclk2_venci0, |
| 669 | &meson8b_vclk2_venci1, |
| 670 | &meson8b_vclk2_vencp0, |
| 671 | &meson8b_vclk2_vencp1, |
| 672 | &meson8b_gclk_venci_int, |
| 673 | &meson8b_gclk_vencp_int, |
| 674 | &meson8b_dac_clk, |
| 675 | &meson8b_aoclk_gate, |
| 676 | &meson8b_iec958_gate, |
| 677 | &meson8b_enc480p, |
| 678 | &meson8b_rng1, |
| 679 | &meson8b_gclk_vencl_int, |
| 680 | &meson8b_vclk2_venclmcc, |
| 681 | &meson8b_vclk2_vencl, |
| 682 | &meson8b_vclk2_other, |
| 683 | &meson8b_edp, |
| 684 | &meson8b_ao_media_cpu, |
| 685 | &meson8b_ao_ahb_sram, |
| 686 | &meson8b_ao_ahb_bus, |
| 687 | &meson8b_ao_iface, |
| 688 | }; |
| 689 | |
Jerome Brunet | e988aae | 2017-03-09 11:41:48 +0100 | [diff] [blame] | 690 | static struct clk_mux *const meson8b_clk_muxes[] = { |
| 691 | &meson8b_mpeg_clk_sel, |
| 692 | }; |
| 693 | |
| 694 | static struct clk_divider *const meson8b_clk_dividers[] = { |
| 695 | &meson8b_mpeg_clk_div, |
| 696 | }; |
| 697 | |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 698 | static int meson8b_clkc_probe(struct platform_device *pdev) |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 699 | { |
| 700 | void __iomem *clk_base; |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 701 | int ret, clkid, i; |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 702 | struct clk_hw *parent_hw; |
| 703 | struct clk *parent_clk; |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 704 | struct device *dev = &pdev->dev; |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 705 | |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 706 | /* Generic clocks and PLLs */ |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 707 | clk_base = of_iomap(dev->of_node, 1); |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 708 | if (!clk_base) { |
| 709 | pr_err("%s: Unable to map clk base\n", __func__); |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 710 | return -ENXIO; |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 711 | } |
| 712 | |
Michael Turquette | ec623f2 | 2016-04-28 12:01:42 -0700 | [diff] [blame] | 713 | /* Populate base address for PLLs */ |
| 714 | for (i = 0; i < ARRAY_SIZE(meson8b_clk_plls); i++) |
| 715 | meson8b_clk_plls[i]->base = clk_base; |
| 716 | |
Jerome Brunet | b778f74 | 2017-03-09 11:41:52 +0100 | [diff] [blame] | 717 | /* Populate base address for MPLLs */ |
| 718 | for (i = 0; i < ARRAY_SIZE(meson8b_clk_mplls); i++) |
| 719 | meson8b_clk_mplls[i]->base = clk_base; |
| 720 | |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 721 | /* Populate the base address for CPU clk */ |
| 722 | meson8b_cpu_clk.base = clk_base; |
| 723 | |
Alexander Müller | e31a190 | 2016-08-27 19:40:54 +0200 | [diff] [blame] | 724 | /* Populate base address for gates */ |
| 725 | for (i = 0; i < ARRAY_SIZE(meson8b_clk_gates); i++) |
| 726 | meson8b_clk_gates[i]->reg = clk_base + |
| 727 | (u32)meson8b_clk_gates[i]->reg; |
| 728 | |
Jerome Brunet | e988aae | 2017-03-09 11:41:48 +0100 | [diff] [blame] | 729 | /* Populate base address for muxes */ |
| 730 | for (i = 0; i < ARRAY_SIZE(meson8b_clk_muxes); i++) |
| 731 | meson8b_clk_muxes[i]->reg = clk_base + |
| 732 | (u32)meson8b_clk_muxes[i]->reg; |
| 733 | |
| 734 | /* Populate base address for dividers */ |
| 735 | for (i = 0; i < ARRAY_SIZE(meson8b_clk_dividers); i++) |
| 736 | meson8b_clk_dividers[i]->reg = clk_base + |
| 737 | (u32)meson8b_clk_dividers[i]->reg; |
| 738 | |
Michael Turquette | e92f7cc | 2016-04-28 12:00:52 -0700 | [diff] [blame] | 739 | /* |
| 740 | * register all clks |
| 741 | * CLKID_UNUSED = 0, so skip it and start with CLKID_XTAL = 1 |
| 742 | */ |
| 743 | for (clkid = CLKID_XTAL; clkid < CLK_NR_CLKS; clkid++) { |
| 744 | /* array might be sparse */ |
| 745 | if (!meson8b_hw_onecell_data.hws[clkid]) |
| 746 | continue; |
| 747 | |
| 748 | /* FIXME convert to devm_clk_register */ |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 749 | ret = devm_clk_hw_register(dev, meson8b_hw_onecell_data.hws[clkid]); |
Michael Turquette | e92f7cc | 2016-04-28 12:00:52 -0700 | [diff] [blame] | 750 | if (ret) |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 751 | goto iounmap; |
Michael Turquette | e92f7cc | 2016-04-28 12:00:52 -0700 | [diff] [blame] | 752 | } |
| 753 | |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 754 | /* |
| 755 | * Register CPU clk notifier |
| 756 | * |
| 757 | * FIXME this is wrong for a lot of reasons. First, the muxes should be |
| 758 | * struct clk_hw objects. Second, we shouldn't program the muxes in |
| 759 | * notifier handlers. The tricky programming sequence will be handled |
| 760 | * by the forthcoming coordinated clock rates mechanism once that |
| 761 | * feature is released. |
| 762 | * |
| 763 | * Furthermore, looking up the parent this way is terrible. At some |
| 764 | * point we will stop allocating a default struct clk when registering |
| 765 | * a new clk_hw, and this hack will no longer work. Releasing the ccr |
| 766 | * feature before that time solves the problem :-) |
| 767 | */ |
| 768 | parent_hw = clk_hw_get_parent(&meson8b_cpu_clk.hw); |
| 769 | parent_clk = parent_hw->clk; |
| 770 | ret = clk_notifier_register(parent_clk, &meson8b_cpu_clk.clk_nb); |
| 771 | if (ret) { |
| 772 | pr_err("%s: failed to register clock notifier for cpu_clk\n", |
| 773 | __func__); |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 774 | goto iounmap; |
Michael Turquette | 55d42c4 | 2016-04-30 12:47:36 -0700 | [diff] [blame] | 775 | } |
| 776 | |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 777 | return of_clk_add_hw_provider(dev->of_node, of_clk_hw_onecell_get, |
| 778 | &meson8b_hw_onecell_data); |
Michael Turquette | e92f7cc | 2016-04-28 12:00:52 -0700 | [diff] [blame] | 779 | |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 780 | iounmap: |
| 781 | iounmap(clk_base); |
| 782 | return ret; |
Carlo Caione | 28b9fcd | 2015-06-01 13:13:55 +0200 | [diff] [blame] | 783 | } |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 784 | |
| 785 | static const struct of_device_id meson8b_clkc_match_table[] = { |
Martin Blumenstingl | 855f06a | 2017-06-04 20:33:39 +0200 | [diff] [blame] | 786 | { .compatible = "amlogic,meson8-clkc" }, |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 787 | { .compatible = "amlogic,meson8b-clkc" }, |
Martin Blumenstingl | 855f06a | 2017-06-04 20:33:39 +0200 | [diff] [blame] | 788 | { .compatible = "amlogic,meson8m2-clkc" }, |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 789 | { } |
| 790 | }; |
Michael Turquette | 796b9aa | 2016-05-11 11:11:18 -0700 | [diff] [blame] | 791 | |
| 792 | static struct platform_driver meson8b_driver = { |
| 793 | .probe = meson8b_clkc_probe, |
| 794 | .driver = { |
| 795 | .name = "meson8b-clkc", |
| 796 | .of_match_table = meson8b_clkc_match_table, |
| 797 | }, |
| 798 | }; |
| 799 | |
Wei Yongjun | 8edeae5 | 2016-09-10 12:02:49 +0000 | [diff] [blame] | 800 | builtin_platform_driver(meson8b_driver); |