Gitiles
Code Review Sign In
192.168.1.100 / T800 / d94b99c34486b981a5475012c74c3daad9076ac8 / . / src / kernel / linux / v4.19 / drivers / clk / sunxi-ng / ccu-sun8i-a83t.c
blob: 7d08015b980d33e7f53b5a5d48ee18894896fe6c [file] [log] [blame]
xjb04a4022021-11-25 15:01:52 +0800[diff] [blame]1/*
2 * Copyright (c) 2017 Chen-Yu Tsai. All rights reserved.
3 *
4 * This software is licensed under the terms of the GNU General Public
5 * License version 2, as published by the Free Software Foundation, and
6 * may be copied, distributed, and modified under those terms.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14#include <linux/clk-provider.h>
15#include <linux/of_address.h>
16#include <linux/platform_device.h>
17
18#include "ccu_common.h"
19#include "ccu_reset.h"
20
21#include "ccu_div.h"
22#include "ccu_gate.h"
23#include "ccu_mp.h"
24#include "ccu_mux.h"
25#include "ccu_nkmp.h"
26#include "ccu_nm.h"
27#include "ccu_phase.h"
28
29#include "ccu-sun8i-a83t.h"
30
31#define CCU_SUN8I_A83T_LOCK_REG 0x20c
32
33/*
34 * The CPU PLLs are actually NP clocks, with P being /1 or /4. However
35 * P should only be used for output frequencies lower than 228 MHz.
36 * Neither mainline Linux, U-boot, nor the vendor BSPs use these.
37 *
38 * For now we can just model it as a multiplier clock, and force P to /1.
39 */
40#define SUN8I_A83T_PLL_C0CPUX_REG 0x000
41#define SUN8I_A83T_PLL_C1CPUX_REG 0x004
42
43static struct ccu_mult pll_c0cpux_clk = {
44 .enable = BIT(31),
45 .lock = BIT(0),
46 .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
47 .common = {
48 .reg = SUN8I_A83T_PLL_C0CPUX_REG,
49 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
50 .features = CCU_FEATURE_LOCK_REG,
51 .hw.init = CLK_HW_INIT("pll-c0cpux", "osc24M",
52 &ccu_mult_ops,
53 CLK_SET_RATE_UNGATE),
54 },
55};
56
57static struct ccu_mult pll_c1cpux_clk = {
58 .enable = BIT(31),
59 .lock = BIT(1),
60 .mult = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
61 .common = {
62 .reg = SUN8I_A83T_PLL_C1CPUX_REG,
63 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
64 .features = CCU_FEATURE_LOCK_REG,
65 .hw.init = CLK_HW_INIT("pll-c1cpux", "osc24M",
66 &ccu_mult_ops,
67 CLK_SET_RATE_UNGATE),
68 },
69};
70
71/*
72 * The Audio PLL has d1, d2 dividers in addition to the usual N, M
73 * factors. Since we only need 2 frequencies from this PLL: 22.5792 MHz
74 * and 24.576 MHz, ignore them for now. Enforce the default for them,
75 * which is d1 = 0, d2 = 1.
76 */
77#define SUN8I_A83T_PLL_AUDIO_REG 0x008
78
79/* clock rates doubled for post divider */
80static struct ccu_sdm_setting pll_audio_sdm_table[] = {
81 { .rate = 45158400, .pattern = 0xc00121ff, .m = 29, .n = 54 },
82 { .rate = 49152000, .pattern = 0xc000e147, .m = 30, .n = 61 },
83};
84
85static struct ccu_nm pll_audio_clk = {
86 .enable = BIT(31),
87 .lock = BIT(2),
88 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
89 .m = _SUNXI_CCU_DIV(0, 6),
90 .fixed_post_div = 2,
91 .sdm = _SUNXI_CCU_SDM(pll_audio_sdm_table, BIT(24),
92 0x284, BIT(31)),
93 .common = {
94 .reg = SUN8I_A83T_PLL_AUDIO_REG,
95 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
96 .features = CCU_FEATURE_LOCK_REG |
97 CCU_FEATURE_FIXED_POSTDIV |
98 CCU_FEATURE_SIGMA_DELTA_MOD,
99 .hw.init = CLK_HW_INIT("pll-audio", "osc24M",
100 &ccu_nm_ops, CLK_SET_RATE_UNGATE),
101 },
102};
103
104/* Some PLLs are input * N / div1 / P. Model them as NKMP with no K */
105static struct ccu_nkmp pll_video0_clk = {
106 .enable = BIT(31),
107 .lock = BIT(3),
108 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
109 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
110 .p = _SUNXI_CCU_DIV(0, 2), /* output divider */
111 .common = {
112 .reg = 0x010,
113 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
114 .features = CCU_FEATURE_LOCK_REG,
115 .hw.init = CLK_HW_INIT("pll-video0", "osc24M",
116 &ccu_nkmp_ops,
117 CLK_SET_RATE_UNGATE),
118 },
119};
120
121static struct ccu_nkmp pll_ve_clk = {
122 .enable = BIT(31),
123 .lock = BIT(4),
124 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
125 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
126 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
127 .common = {
128 .reg = 0x018,
129 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
130 .features = CCU_FEATURE_LOCK_REG,
131 .hw.init = CLK_HW_INIT("pll-ve", "osc24M",
132 &ccu_nkmp_ops,
133 CLK_SET_RATE_UNGATE),
134 },
135};
136
137static struct ccu_nkmp pll_ddr_clk = {
138 .enable = BIT(31),
139 .lock = BIT(5),
140 .n = _SUNXI_CCU_MULT_MIN(8, 8, 12),
141 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
142 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
143 .common = {
144 .reg = 0x020,
145 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
146 .features = CCU_FEATURE_LOCK_REG,
147 .hw.init = CLK_HW_INIT("pll-ddr", "osc24M",
148 &ccu_nkmp_ops,
149 CLK_SET_RATE_UNGATE),
150 },
151};
152
153static struct ccu_nkmp pll_periph_clk = {
154 .enable = BIT(31),
155 .lock = BIT(6),
156 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
157 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
158 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
159 .common = {
160 .reg = 0x028,
161 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
162 .features = CCU_FEATURE_LOCK_REG,
163 .hw.init = CLK_HW_INIT("pll-periph", "osc24M",
164 &ccu_nkmp_ops,
165 CLK_SET_RATE_UNGATE),
166 },
167};
168
169static struct ccu_nkmp pll_gpu_clk = {
170 .enable = BIT(31),
171 .lock = BIT(7),
172 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
173 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
174 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
175 .common = {
176 .reg = 0x038,
177 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
178 .features = CCU_FEATURE_LOCK_REG,
179 .hw.init = CLK_HW_INIT("pll-gpu", "osc24M",
180 &ccu_nkmp_ops,
181 CLK_SET_RATE_UNGATE),
182 },
183};
184
185static struct ccu_nkmp pll_hsic_clk = {
186 .enable = BIT(31),
187 .lock = BIT(8),
188 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
189 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
190 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
191 .common = {
192 .reg = 0x044,
193 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
194 .features = CCU_FEATURE_LOCK_REG,
195 .hw.init = CLK_HW_INIT("pll-hsic", "osc24M",
196 &ccu_nkmp_ops,
197 CLK_SET_RATE_UNGATE),
198 },
199};
200
201static struct ccu_nkmp pll_de_clk = {
202 .enable = BIT(31),
203 .lock = BIT(9),
204 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
205 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
206 .p = _SUNXI_CCU_DIV(18, 1), /* output divider */
207 .common = {
208 .reg = 0x048,
209 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
210 .features = CCU_FEATURE_LOCK_REG,
211 .hw.init = CLK_HW_INIT("pll-de", "osc24M",
212 &ccu_nkmp_ops,
213 CLK_SET_RATE_UNGATE),
214 },
215};
216
217static struct ccu_nkmp pll_video1_clk = {
218 .enable = BIT(31),
219 .lock = BIT(10),
220 .n = _SUNXI_CCU_MULT_OFFSET_MIN_MAX(8, 8, 0, 12, 0),
221 .m = _SUNXI_CCU_DIV(16, 1), /* input divider */
222 .p = _SUNXI_CCU_DIV(0, 2), /* external divider p */
223 .common = {
224 .reg = 0x04c,
225 .lock_reg = CCU_SUN8I_A83T_LOCK_REG,
226 .features = CCU_FEATURE_LOCK_REG,
227 .hw.init = CLK_HW_INIT("pll-video1", "osc24M",
228 &ccu_nkmp_ops,
229 CLK_SET_RATE_UNGATE),
230 },
231};
232
233static const char * const c0cpux_parents[] = { "osc24M", "pll-c0cpux" };
234static SUNXI_CCU_MUX(c0cpux_clk, "c0cpux", c0cpux_parents,
235 0x50, 12, 1, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
236
237static const char * const c1cpux_parents[] = { "osc24M", "pll-c1cpux" };
238static SUNXI_CCU_MUX(c1cpux_clk, "c1cpux", c1cpux_parents,
239 0x50, 28, 1, CLK_SET_RATE_PARENT | CLK_IS_CRITICAL);
240
241static SUNXI_CCU_M(axi0_clk, "axi0", "c0cpux", 0x050, 0, 2, 0);
242static SUNXI_CCU_M(axi1_clk, "axi1", "c1cpux", 0x050, 16, 2, 0);
243
244static const char * const ahb1_parents[] = { "osc16M-d512", "osc24M",
245 "pll-periph",
246 "pll-periph" };
247static const struct ccu_mux_var_prediv ahb1_predivs[] = {
248 { .index = 2, .shift = 6, .width = 2 },
249 { .index = 3, .shift = 6, .width = 2 },
250};
251static struct ccu_div ahb1_clk = {
252 .div = _SUNXI_CCU_DIV_FLAGS(4, 2, CLK_DIVIDER_POWER_OF_TWO),
253 .mux = {
254 .shift = 12,
255 .width = 2,
256
257 .var_predivs = ahb1_predivs,
258 .n_var_predivs = ARRAY_SIZE(ahb1_predivs),
259 },
260 .common = {
261 .reg = 0x054,
262 .hw.init = CLK_HW_INIT_PARENTS("ahb1",
263 ahb1_parents,
264 &ccu_div_ops,
265 0),
266 },
267};
268
269static SUNXI_CCU_M(apb1_clk, "apb1", "ahb1", 0x054, 8, 2, 0);
270
271static const char * const apb2_parents[] = { "osc16M-d512", "osc24M",
272 "pll-periph", "pll-periph" };
273
274static SUNXI_CCU_MP_WITH_MUX(apb2_clk, "apb2", apb2_parents, 0x058,
275 0, 5, /* M */
276 16, 2, /* P */
277 24, 2, /* mux */
278 0);
279
280static const char * const ahb2_parents[] = { "ahb1", "pll-periph" };
281static const struct ccu_mux_fixed_prediv ahb2_prediv = {
282 .index = 1, .div = 2
283};
284static struct ccu_mux ahb2_clk = {
285 .mux = {
286 .shift = 0,
287 .width = 2,
288 .fixed_predivs = &ahb2_prediv,
289 .n_predivs = 1,
290 },
291 .common = {
292 .reg = 0x05c,
293 .hw.init = CLK_HW_INIT_PARENTS("ahb2",
294 ahb2_parents,
295 &ccu_mux_ops,
296 0),
297 },
298};
299
300static SUNXI_CCU_GATE(bus_mipi_dsi_clk, "bus-mipi-dsi", "ahb1",
301 0x060, BIT(1), 0);
302static SUNXI_CCU_GATE(bus_ss_clk, "bus-ss", "ahb1",
303 0x060, BIT(5), 0);
304static SUNXI_CCU_GATE(bus_dma_clk, "bus-dma", "ahb1",
305 0x060, BIT(6), 0);
306static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb1",
307 0x060, BIT(8), 0);
308static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb1",
309 0x060, BIT(9), 0);
310static SUNXI_CCU_GATE(bus_mmc2_clk, "bus-mmc2", "ahb1",
311 0x060, BIT(10), 0);
312static SUNXI_CCU_GATE(bus_nand_clk, "bus-nand", "ahb1",
313 0x060, BIT(13), 0);
314static SUNXI_CCU_GATE(bus_dram_clk, "bus-dram", "ahb1",
315 0x060, BIT(14), 0);
316static SUNXI_CCU_GATE(bus_emac_clk, "bus-emac", "ahb2",
317 0x060, BIT(17), 0);
318static SUNXI_CCU_GATE(bus_hstimer_clk, "bus-hstimer", "ahb1",
319 0x060, BIT(19), 0);
320static SUNXI_CCU_GATE(bus_spi0_clk, "bus-spi0", "ahb1",
321 0x060, BIT(20), 0);
322static SUNXI_CCU_GATE(bus_spi1_clk, "bus-spi1", "ahb1",
323 0x060, BIT(21), 0);
324static SUNXI_CCU_GATE(bus_otg_clk, "bus-otg", "ahb1",
325 0x060, BIT(24), 0);
326static SUNXI_CCU_GATE(bus_ehci0_clk, "bus-ehci0", "ahb2",
327 0x060, BIT(26), 0);
328static SUNXI_CCU_GATE(bus_ehci1_clk, "bus-ehci1", "ahb2",
329 0x060, BIT(27), 0);
330static SUNXI_CCU_GATE(bus_ohci0_clk, "bus-ohci0", "ahb2",
331 0x060, BIT(29), 0);
332
333static SUNXI_CCU_GATE(bus_ve_clk, "bus-ve", "ahb1",
334 0x064, BIT(0), 0);
335static SUNXI_CCU_GATE(bus_tcon0_clk, "bus-tcon0", "ahb1",
336 0x064, BIT(4), 0);
337static SUNXI_CCU_GATE(bus_tcon1_clk, "bus-tcon1", "ahb1",
338 0x064, BIT(5), 0);
339static SUNXI_CCU_GATE(bus_csi_clk, "bus-csi", "ahb1",
340 0x064, BIT(8), 0);
341static SUNXI_CCU_GATE(bus_hdmi_clk, "bus-hdmi", "ahb1",
342 0x064, BIT(11), 0);
343static SUNXI_CCU_GATE(bus_de_clk, "bus-de", "ahb1",
344 0x064, BIT(12), 0);
345static SUNXI_CCU_GATE(bus_gpu_clk, "bus-gpu", "ahb1",
346 0x064, BIT(20), 0);
347static SUNXI_CCU_GATE(bus_msgbox_clk, "bus-msgbox", "ahb1",
348 0x064, BIT(21), 0);
349static SUNXI_CCU_GATE(bus_spinlock_clk, "bus-spinlock", "ahb1",
350 0x064, BIT(22), 0);
351
352static SUNXI_CCU_GATE(bus_spdif_clk, "bus-spdif", "apb1",
353 0x068, BIT(1), 0);
354static SUNXI_CCU_GATE(bus_pio_clk, "bus-pio", "apb1",
355 0x068, BIT(5), 0);
356static SUNXI_CCU_GATE(bus_i2s0_clk, "bus-i2s0", "apb1",
357 0x068, BIT(12), 0);
358static SUNXI_CCU_GATE(bus_i2s1_clk, "bus-i2s1", "apb1",
359 0x068, BIT(13), 0);
360static SUNXI_CCU_GATE(bus_i2s2_clk, "bus-i2s2", "apb1",
361 0x068, BIT(14), 0);
362static SUNXI_CCU_GATE(bus_tdm_clk, "bus-tdm", "apb1",
363 0x068, BIT(15), 0);
364
365static SUNXI_CCU_GATE(bus_i2c0_clk, "bus-i2c0", "apb2",
366 0x06c, BIT(0), 0);
367static SUNXI_CCU_GATE(bus_i2c1_clk, "bus-i2c1", "apb2",
368 0x06c, BIT(1), 0);
369static SUNXI_CCU_GATE(bus_i2c2_clk, "bus-i2c2", "apb2",
370 0x06c, BIT(2), 0);
371static SUNXI_CCU_GATE(bus_uart0_clk, "bus-uart0", "apb2",
372 0x06c, BIT(16), 0);
373static SUNXI_CCU_GATE(bus_uart1_clk, "bus-uart1", "apb2",
374 0x06c, BIT(17), 0);
375static SUNXI_CCU_GATE(bus_uart2_clk, "bus-uart2", "apb2",
376 0x06c, BIT(18), 0);
377static SUNXI_CCU_GATE(bus_uart3_clk, "bus-uart3", "apb2",
378 0x06c, BIT(19), 0);
379static SUNXI_CCU_GATE(bus_uart4_clk, "bus-uart4", "apb2",
380 0x06c, BIT(20), 0);
381
382static const char * const cci400_parents[] = { "osc24M", "pll-periph",
383 "pll-hsic" };
384static struct ccu_div cci400_clk = {
385 .div = _SUNXI_CCU_DIV_FLAGS(0, 2, 0),
386 .mux = _SUNXI_CCU_MUX(24, 2),
387 .common = {
388 .reg = 0x078,
389 .hw.init = CLK_HW_INIT_PARENTS("cci400",
390 cci400_parents,
391 &ccu_div_ops,
392 CLK_IS_CRITICAL),
393 },
394};
395
396static const char * const mod0_default_parents[] = { "osc24M", "pll-periph" };
397
398static SUNXI_CCU_MP_WITH_MUX_GATE(nand_clk, "nand", mod0_default_parents,
399 0x080,
400 0, 4, /* M */
401 16, 2, /* P */
402 24, 2, /* mux */
403 BIT(31), /* gate */
404 0);
405
406static SUNXI_CCU_MP_WITH_MUX_GATE(mmc0_clk, "mmc0", mod0_default_parents,
407 0x088,
408 0, 4, /* M */
409 16, 2, /* P */
410 24, 2, /* mux */
411 BIT(31), /* gate */
412 0);
413
414static SUNXI_CCU_PHASE(mmc0_sample_clk, "mmc0-sample", "mmc0",
415 0x088, 20, 3, 0);
416static SUNXI_CCU_PHASE(mmc0_output_clk, "mmc0-output", "mmc0",
417 0x088, 8, 3, 0);
418
419static SUNXI_CCU_MP_WITH_MUX_GATE(mmc1_clk, "mmc1", mod0_default_parents,
420 0x08c,
421 0, 4, /* M */
422 16, 2, /* P */
423 24, 2, /* mux */
424 BIT(31), /* gate */
425 0);
426
427static SUNXI_CCU_PHASE(mmc1_sample_clk, "mmc1-sample", "mmc1",
428 0x08c, 20, 3, 0);
429static SUNXI_CCU_PHASE(mmc1_output_clk, "mmc1-output", "mmc1",
430 0x08c, 8, 3, 0);
431
432static SUNXI_CCU_MP_MMC_WITH_MUX_GATE(mmc2_clk, "mmc2", mod0_default_parents,
433 0x090, 0);
434
435static SUNXI_CCU_PHASE(mmc2_sample_clk, "mmc2-sample", "mmc2",
436 0x090, 20, 3, 0);
437static SUNXI_CCU_PHASE(mmc2_output_clk, "mmc2-output", "mmc2",
438 0x090, 8, 3, 0);
439
440static SUNXI_CCU_MP_WITH_MUX_GATE(ss_clk, "ss", mod0_default_parents,
441 0x09c,
442 0, 4, /* M */
443 16, 2, /* P */
444 24, 2, /* mux */
445 BIT(31), /* gate */
446 0);
447
448static SUNXI_CCU_MP_WITH_MUX_GATE(spi0_clk, "spi0", mod0_default_parents,
449 0x0a0,
450 0, 4, /* M */
451 16, 2, /* P */
452 24, 4, /* mux */
453 BIT(31), /* gate */
454 0);
455
456static SUNXI_CCU_MP_WITH_MUX_GATE(spi1_clk, "spi1", mod0_default_parents,
457 0x0a4,
458 0, 4, /* M */
459 16, 2, /* P */
460 24, 4, /* mux */
461 BIT(31), /* gate */
462 0);
463
464static SUNXI_CCU_M_WITH_GATE(i2s0_clk, "i2s0", "pll-audio",
465 0x0b0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
466static SUNXI_CCU_M_WITH_GATE(i2s1_clk, "i2s1", "pll-audio",
467 0x0b4, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
468static SUNXI_CCU_M_WITH_GATE(i2s2_clk, "i2s2", "pll-audio",
469 0x0b8, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
470static SUNXI_CCU_M_WITH_GATE(tdm_clk, "tdm", "pll-audio",
471 0x0bc, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
472static SUNXI_CCU_M_WITH_GATE(spdif_clk, "spdif", "pll-audio",
473 0x0c0, 0, 4, BIT(31), CLK_SET_RATE_PARENT);
474
475static SUNXI_CCU_GATE(usb_phy0_clk, "usb-phy0", "osc24M",
476 0x0cc, BIT(8), 0);
477static SUNXI_CCU_GATE(usb_phy1_clk, "usb-phy1", "osc24M",
478 0x0cc, BIT(9), 0);
479static SUNXI_CCU_GATE(usb_hsic_clk, "usb-hsic", "pll-hsic",
480 0x0cc, BIT(10), 0);
481static struct ccu_gate usb_hsic_12m_clk = {
482 .enable = BIT(11),
483 .common = {
484 .reg = 0x0cc,
485 .prediv = 2,
486 .features = CCU_FEATURE_ALL_PREDIV,
487 .hw.init = CLK_HW_INIT("usb-hsic-12m", "osc24M",
488 &ccu_gate_ops, 0),
489 }
490};
491static SUNXI_CCU_GATE(usb_ohci0_clk, "usb-ohci0", "osc24M",
492 0x0cc, BIT(16), 0);
493
494/* TODO divider has minimum of 2 */
495static SUNXI_CCU_M(dram_clk, "dram", "pll-ddr", 0x0f4, 0, 4, CLK_IS_CRITICAL);
496
497static SUNXI_CCU_GATE(dram_ve_clk, "dram-ve", "dram",
498 0x100, BIT(0), 0);
499static SUNXI_CCU_GATE(dram_csi_clk, "dram-csi", "dram",
500 0x100, BIT(1), 0);
501
502static const char * const tcon0_parents[] = { "pll-video0" };
503static SUNXI_CCU_MUX_WITH_GATE(tcon0_clk, "tcon0", tcon0_parents,
504 0x118, 24, 3, BIT(31), CLK_SET_RATE_PARENT);
505
506static const char * const tcon1_parents[] = { "pll-video1" };
507static SUNXI_CCU_M_WITH_MUX_GATE(tcon1_clk, "tcon1", tcon1_parents,
508 0x11c, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT);
509
510static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M", 0x130, BIT(16), 0);
511
512static SUNXI_CCU_GATE(mipi_csi_clk, "mipi-csi", "osc24M", 0x130, BIT(31), 0);
513
514static const char * const csi_mclk_parents[] = { "pll-de", "osc24M" };
515static const u8 csi_mclk_table[] = { 3, 5 };
516static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_mclk_clk, "csi-mclk",
517 csi_mclk_parents, csi_mclk_table,
518 0x134,
519 0, 5, /* M */
520 8, 3, /* mux */
521 BIT(15), /* gate */
522 0);
523
524static const char * const csi_sclk_parents[] = { "pll-periph", "pll-ve" };
525static const u8 csi_sclk_table[] = { 0, 5 };
526static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(csi_sclk_clk, "csi-sclk",
527 csi_sclk_parents, csi_sclk_table,
528 0x134,
529 16, 4, /* M */
530 24, 3, /* mux */
531 BIT(31), /* gate */
532 0);
533
534static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve", 0x13c,
535 16, 3, BIT(31), CLK_SET_RATE_PARENT);
536
537static SUNXI_CCU_GATE(avs_clk, "avs", "osc24M", 0x144, BIT(31), 0);
538
539static const char * const hdmi_parents[] = { "pll-video1" };
540static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", hdmi_parents,
541 0x150,
542 0, 4, /* M */
543 24, 2, /* mux */
544 BIT(31), /* gate */
545 CLK_SET_RATE_PARENT);
546
547static SUNXI_CCU_GATE(hdmi_slow_clk, "hdmi-slow", "osc24M", 0x154, BIT(31), 0);
548
549static const char * const mbus_parents[] = { "osc24M", "pll-periph",
550 "pll-ddr" };
551static SUNXI_CCU_M_WITH_MUX_GATE(mbus_clk, "mbus", mbus_parents,
552 0x15c,
553 0, 3, /* M */
554 24, 2, /* mux */
555 BIT(31), /* gate */
556 CLK_IS_CRITICAL);
557
558static const char * const mipi_dsi0_parents[] = { "pll-video0" };
559static const u8 mipi_dsi0_table[] = { 8 };
560static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mipi_dsi0_clk, "mipi-dsi0",
561 mipi_dsi0_parents, mipi_dsi0_table,
562 0x168,
563 0, 4, /* M */
564 24, 4, /* mux */
565 BIT(31), /* gate */
566 CLK_SET_RATE_PARENT);
567
568static const char * const mipi_dsi1_parents[] = { "osc24M", "pll-video0" };
569static const u8 mipi_dsi1_table[] = { 0, 9 };
570static SUNXI_CCU_M_WITH_MUX_TABLE_GATE(mipi_dsi1_clk, "mipi-dsi1",
571 mipi_dsi1_parents, mipi_dsi1_table,
572 0x16c,
573 0, 4, /* M */
574 24, 4, /* mux */
575 BIT(31), /* gate */
576 CLK_SET_RATE_PARENT);
577
578static SUNXI_CCU_M_WITH_GATE(gpu_core_clk, "gpu-core", "pll-gpu", 0x1a0,
579 0, 3, BIT(31), CLK_SET_RATE_PARENT);
580
581static const char * const gpu_memory_parents[] = { "pll-gpu", "pll-ddr" };
582static SUNXI_CCU_M_WITH_MUX_GATE(gpu_memory_clk, "gpu-memory",
583 gpu_memory_parents,
584 0x1a4,
585 0, 3, /* M */
586 24, 1, /* mux */
587 BIT(31), /* gate */
588 CLK_SET_RATE_PARENT);
589
590static SUNXI_CCU_M_WITH_GATE(gpu_hyd_clk, "gpu-hyd", "pll-gpu", 0x1a8,
591 0, 3, BIT(31), CLK_SET_RATE_PARENT);
592
593static struct ccu_common *sun8i_a83t_ccu_clks[] = {
594 &pll_c0cpux_clk.common,
595 &pll_c1cpux_clk.common,
596 &pll_audio_clk.common,
597 &pll_video0_clk.common,
598 &pll_ve_clk.common,
599 &pll_ddr_clk.common,
600 &pll_periph_clk.common,
601 &pll_gpu_clk.common,
602 &pll_hsic_clk.common,
603 &pll_de_clk.common,
604 &pll_video1_clk.common,
605 &c0cpux_clk.common,
606 &c1cpux_clk.common,
607 &axi0_clk.common,
608 &axi1_clk.common,
609 &ahb1_clk.common,
610 &ahb2_clk.common,
611 &apb1_clk.common,
612 &apb2_clk.common,
613 &bus_mipi_dsi_clk.common,
614 &bus_ss_clk.common,
615 &bus_dma_clk.common,
616 &bus_mmc0_clk.common,
617 &bus_mmc1_clk.common,
618 &bus_mmc2_clk.common,
619 &bus_nand_clk.common,
620 &bus_dram_clk.common,
621 &bus_emac_clk.common,
622 &bus_hstimer_clk.common,
623 &bus_spi0_clk.common,
624 &bus_spi1_clk.common,
625 &bus_otg_clk.common,
626 &bus_ehci0_clk.common,
627 &bus_ehci1_clk.common,
628 &bus_ohci0_clk.common,
629 &bus_ve_clk.common,
630 &bus_tcon0_clk.common,
631 &bus_tcon1_clk.common,
632 &bus_csi_clk.common,
633 &bus_hdmi_clk.common,
634 &bus_de_clk.common,
635 &bus_gpu_clk.common,
636 &bus_msgbox_clk.common,
637 &bus_spinlock_clk.common,
638 &bus_spdif_clk.common,
639 &bus_pio_clk.common,
640 &bus_i2s0_clk.common,
641 &bus_i2s1_clk.common,
642 &bus_i2s2_clk.common,
643 &bus_tdm_clk.common,
644 &bus_i2c0_clk.common,
645 &bus_i2c1_clk.common,
646 &bus_i2c2_clk.common,
647 &bus_uart0_clk.common,
648 &bus_uart1_clk.common,
649 &bus_uart2_clk.common,
650 &bus_uart3_clk.common,
651 &bus_uart4_clk.common,
652 &cci400_clk.common,
653 &nand_clk.common,
654 &mmc0_clk.common,
655 &mmc0_sample_clk.common,
656 &mmc0_output_clk.common,
657 &mmc1_clk.common,
658 &mmc1_sample_clk.common,
659 &mmc1_output_clk.common,
660 &mmc2_clk.common,
661 &mmc2_sample_clk.common,
662 &mmc2_output_clk.common,
663 &ss_clk.common,
664 &spi0_clk.common,
665 &spi1_clk.common,
666 &i2s0_clk.common,
667 &i2s1_clk.common,
668 &i2s2_clk.common,
669 &tdm_clk.common,
670 &spdif_clk.common,
671 &usb_phy0_clk.common,
672 &usb_phy1_clk.common,
673 &usb_hsic_clk.common,
674 &usb_hsic_12m_clk.common,
675 &usb_ohci0_clk.common,
676 &dram_clk.common,
677 &dram_ve_clk.common,
678 &dram_csi_clk.common,
679 &tcon0_clk.common,
680 &tcon1_clk.common,
681 &csi_misc_clk.common,
682 &mipi_csi_clk.common,
683 &csi_mclk_clk.common,
684 &csi_sclk_clk.common,
685 &ve_clk.common,
686 &avs_clk.common,
687 &hdmi_clk.common,
688 &hdmi_slow_clk.common,
689 &mbus_clk.common,
690 &mipi_dsi0_clk.common,
691 &mipi_dsi1_clk.common,
692 &gpu_core_clk.common,
693 &gpu_memory_clk.common,
694 &gpu_hyd_clk.common,
695};
696
697static struct clk_hw_onecell_data sun8i_a83t_hw_clks = {
698 .hws = {
699 [CLK_PLL_C0CPUX] = &pll_c0cpux_clk.common.hw,
700 [CLK_PLL_C1CPUX] = &pll_c1cpux_clk.common.hw,
701 [CLK_PLL_AUDIO] = &pll_audio_clk.common.hw,
702 [CLK_PLL_VIDEO0] = &pll_video0_clk.common.hw,
703 [CLK_PLL_VE] = &pll_ve_clk.common.hw,
704 [CLK_PLL_DDR] = &pll_ddr_clk.common.hw,
705 [CLK_PLL_PERIPH] = &pll_periph_clk.common.hw,
706 [CLK_PLL_GPU] = &pll_gpu_clk.common.hw,
707 [CLK_PLL_HSIC] = &pll_hsic_clk.common.hw,
708 [CLK_PLL_DE] = &pll_de_clk.common.hw,
709 [CLK_PLL_VIDEO1] = &pll_video1_clk.common.hw,
710 [CLK_C0CPUX] = &c0cpux_clk.common.hw,
711 [CLK_C1CPUX] = &c1cpux_clk.common.hw,
712 [CLK_AXI0] = &axi0_clk.common.hw,
713 [CLK_AXI1] = &axi1_clk.common.hw,
714 [CLK_AHB1] = &ahb1_clk.common.hw,
715 [CLK_AHB2] = &ahb2_clk.common.hw,
716 [CLK_APB1] = &apb1_clk.common.hw,
717 [CLK_APB2] = &apb2_clk.common.hw,
718 [CLK_BUS_MIPI_DSI] = &bus_mipi_dsi_clk.common.hw,
719 [CLK_BUS_SS] = &bus_ss_clk.common.hw,
720 [CLK_BUS_DMA] = &bus_dma_clk.common.hw,
721 [CLK_BUS_MMC0] = &bus_mmc0_clk.common.hw,
722 [CLK_BUS_MMC1] = &bus_mmc1_clk.common.hw,
723 [CLK_BUS_MMC2] = &bus_mmc2_clk.common.hw,
724 [CLK_BUS_NAND] = &bus_nand_clk.common.hw,
725 [CLK_BUS_DRAM] = &bus_dram_clk.common.hw,
726 [CLK_BUS_EMAC] = &bus_emac_clk.common.hw,
727 [CLK_BUS_HSTIMER] = &bus_hstimer_clk.common.hw,
728 [CLK_BUS_SPI0] = &bus_spi0_clk.common.hw,
729 [CLK_BUS_SPI1] = &bus_spi1_clk.common.hw,
730 [CLK_BUS_OTG] = &bus_otg_clk.common.hw,
731 [CLK_BUS_EHCI0] = &bus_ehci0_clk.common.hw,
732 [CLK_BUS_EHCI1] = &bus_ehci1_clk.common.hw,
733 [CLK_BUS_OHCI0] = &bus_ohci0_clk.common.hw,
734 [CLK_BUS_VE] = &bus_ve_clk.common.hw,
735 [CLK_BUS_TCON0] = &bus_tcon0_clk.common.hw,
736 [CLK_BUS_TCON1] = &bus_tcon1_clk.common.hw,
737 [CLK_BUS_CSI] = &bus_csi_clk.common.hw,
738 [CLK_BUS_HDMI] = &bus_hdmi_clk.common.hw,
739 [CLK_BUS_DE] = &bus_de_clk.common.hw,
740 [CLK_BUS_GPU] = &bus_gpu_clk.common.hw,
741 [CLK_BUS_MSGBOX] = &bus_msgbox_clk.common.hw,
742 [CLK_BUS_SPINLOCK] = &bus_spinlock_clk.common.hw,
743 [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw,
744 [CLK_BUS_PIO] = &bus_pio_clk.common.hw,
745 [CLK_BUS_I2S0] = &bus_i2s0_clk.common.hw,
746 [CLK_BUS_I2S1] = &bus_i2s1_clk.common.hw,
747 [CLK_BUS_I2S2] = &bus_i2s2_clk.common.hw,
748 [CLK_BUS_TDM] = &bus_tdm_clk.common.hw,
749 [CLK_BUS_I2C0] = &bus_i2c0_clk.common.hw,
750 [CLK_BUS_I2C1] = &bus_i2c1_clk.common.hw,
751 [CLK_BUS_I2C2] = &bus_i2c2_clk.common.hw,
752 [CLK_BUS_UART0] = &bus_uart0_clk.common.hw,
753 [CLK_BUS_UART1] = &bus_uart1_clk.common.hw,
754 [CLK_BUS_UART2] = &bus_uart2_clk.common.hw,
755 [CLK_BUS_UART3] = &bus_uart3_clk.common.hw,
756 [CLK_BUS_UART4] = &bus_uart4_clk.common.hw,
757 [CLK_CCI400] = &cci400_clk.common.hw,
758 [CLK_NAND] = &nand_clk.common.hw,
759 [CLK_MMC0] = &mmc0_clk.common.hw,
760 [CLK_MMC0_SAMPLE] = &mmc0_sample_clk.common.hw,
761 [CLK_MMC0_OUTPUT] = &mmc0_output_clk.common.hw,
762 [CLK_MMC1] = &mmc1_clk.common.hw,
763 [CLK_MMC1_SAMPLE] = &mmc1_sample_clk.common.hw,
764 [CLK_MMC1_OUTPUT] = &mmc1_output_clk.common.hw,
765 [CLK_MMC2] = &mmc2_clk.common.hw,
766 [CLK_MMC2_SAMPLE] = &mmc2_sample_clk.common.hw,
767 [CLK_MMC2_OUTPUT] = &mmc2_output_clk.common.hw,
768 [CLK_SS] = &ss_clk.common.hw,
769 [CLK_SPI0] = &spi0_clk.common.hw,
770 [CLK_SPI1] = &spi1_clk.common.hw,
771 [CLK_I2S0] = &i2s0_clk.common.hw,
772 [CLK_I2S1] = &i2s1_clk.common.hw,
773 [CLK_I2S2] = &i2s2_clk.common.hw,
774 [CLK_TDM] = &tdm_clk.common.hw,
775 [CLK_SPDIF] = &spdif_clk.common.hw,
776 [CLK_USB_PHY0] = &usb_phy0_clk.common.hw,
777 [CLK_USB_PHY1] = &usb_phy1_clk.common.hw,
778 [CLK_USB_HSIC] = &usb_hsic_clk.common.hw,
779 [CLK_USB_HSIC_12M] = &usb_hsic_12m_clk.common.hw,
780 [CLK_USB_OHCI0] = &usb_ohci0_clk.common.hw,
781 [CLK_DRAM] = &dram_clk.common.hw,
782 [CLK_DRAM_VE] = &dram_ve_clk.common.hw,
783 [CLK_DRAM_CSI] = &dram_csi_clk.common.hw,
784 [CLK_TCON0] = &tcon0_clk.common.hw,
785 [CLK_TCON1] = &tcon1_clk.common.hw,
786 [CLK_CSI_MISC] = &csi_misc_clk.common.hw,
787 [CLK_MIPI_CSI] = &mipi_csi_clk.common.hw,
788 [CLK_CSI_MCLK] = &csi_mclk_clk.common.hw,
789 [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
790 [CLK_VE] = &ve_clk.common.hw,
791 [CLK_AVS] = &avs_clk.common.hw,
792 [CLK_HDMI] = &hdmi_clk.common.hw,
793 [CLK_HDMI_SLOW] = &hdmi_slow_clk.common.hw,
794 [CLK_MBUS] = &mbus_clk.common.hw,
795 [CLK_MIPI_DSI0] = &mipi_dsi0_clk.common.hw,
796 [CLK_MIPI_DSI1] = &mipi_dsi1_clk.common.hw,
797 [CLK_GPU_CORE] = &gpu_core_clk.common.hw,
798 [CLK_GPU_MEMORY] = &gpu_memory_clk.common.hw,
799 [CLK_GPU_HYD] = &gpu_hyd_clk.common.hw,
800 },
801 .num = CLK_NUMBER,
802};
803
804static struct ccu_reset_map sun8i_a83t_ccu_resets[] = {
805 [RST_USB_PHY0] = { 0x0cc, BIT(0) },
806 [RST_USB_PHY1] = { 0x0cc, BIT(1) },
807 [RST_USB_HSIC] = { 0x0cc, BIT(2) },
808 [RST_DRAM] = { 0x0f4, BIT(31) },
809 [RST_MBUS] = { 0x0fc, BIT(31) },
810 [RST_BUS_MIPI_DSI] = { 0x2c0, BIT(1) },
811 [RST_BUS_SS] = { 0x2c0, BIT(5) },
812 [RST_BUS_DMA] = { 0x2c0, BIT(6) },
813 [RST_BUS_MMC0] = { 0x2c0, BIT(8) },
814 [RST_BUS_MMC1] = { 0x2c0, BIT(9) },
815 [RST_BUS_MMC2] = { 0x2c0, BIT(10) },
816 [RST_BUS_NAND] = { 0x2c0, BIT(13) },
817 [RST_BUS_DRAM] = { 0x2c0, BIT(14) },
818 [RST_BUS_EMAC] = { 0x2c0, BIT(17) },
819 [RST_BUS_HSTIMER] = { 0x2c0, BIT(19) },
820 [RST_BUS_SPI0] = { 0x2c0, BIT(20) },
821 [RST_BUS_SPI1] = { 0x2c0, BIT(21) },
822 [RST_BUS_OTG] = { 0x2c0, BIT(24) },
823 [RST_BUS_EHCI0] = { 0x2c0, BIT(26) },
824 [RST_BUS_EHCI1] = { 0x2c0, BIT(27) },
825 [RST_BUS_OHCI0] = { 0x2c0, BIT(29) },
826 [RST_BUS_VE] = { 0x2c4, BIT(0) },
827 [RST_BUS_TCON0] = { 0x2c4, BIT(4) },
828 [RST_BUS_TCON1] = { 0x2c4, BIT(5) },
829 [RST_BUS_CSI] = { 0x2c4, BIT(8) },
830 [RST_BUS_HDMI0] = { 0x2c4, BIT(10) },
831 [RST_BUS_HDMI1] = { 0x2c4, BIT(11) },
832 [RST_BUS_DE] = { 0x2c4, BIT(12) },
833 [RST_BUS_GPU] = { 0x2c4, BIT(20) },
834 [RST_BUS_MSGBOX] = { 0x2c4, BIT(21) },
835 [RST_BUS_SPINLOCK] = { 0x2c4, BIT(22) },
836 [RST_BUS_LVDS] = { 0x2c8, BIT(0) },
837 [RST_BUS_SPDIF] = { 0x2d0, BIT(1) },
838 [RST_BUS_I2S0] = { 0x2d0, BIT(12) },
839 [RST_BUS_I2S1] = { 0x2d0, BIT(13) },
840 [RST_BUS_I2S2] = { 0x2d0, BIT(14) },
841 [RST_BUS_TDM] = { 0x2d0, BIT(15) },
842 [RST_BUS_I2C0] = { 0x2d8, BIT(0) },
843 [RST_BUS_I2C1] = { 0x2d8, BIT(1) },
844 [RST_BUS_I2C2] = { 0x2d8, BIT(2) },
845 [RST_BUS_UART0] = { 0x2d8, BIT(16) },
846 [RST_BUS_UART1] = { 0x2d8, BIT(17) },
847 [RST_BUS_UART2] = { 0x2d8, BIT(18) },
848 [RST_BUS_UART3] = { 0x2d8, BIT(19) },
849 [RST_BUS_UART4] = { 0x2d8, BIT(20) },
850};
851
852static const struct sunxi_ccu_desc sun8i_a83t_ccu_desc = {
853 .ccu_clks = sun8i_a83t_ccu_clks,
854 .num_ccu_clks = ARRAY_SIZE(sun8i_a83t_ccu_clks),
855
856 .hw_clks = &sun8i_a83t_hw_clks,
857
858 .resets = sun8i_a83t_ccu_resets,
859 .num_resets = ARRAY_SIZE(sun8i_a83t_ccu_resets),
860};
861
862#define SUN8I_A83T_PLL_P_SHIFT 16
863#define SUN8I_A83T_PLL_N_SHIFT 8
864#define SUN8I_A83T_PLL_N_WIDTH 8
865
866static void sun8i_a83t_cpu_pll_fixup(void __iomem *reg)
867{
868 u32 val = readl(reg);
869
870 /* bail out if P divider is not used */
871 if (!(val & BIT(SUN8I_A83T_PLL_P_SHIFT)))
872 return;
873
874 /*
875 * If P is used, output should be less than 288 MHz. When we
876 * set P to 1, we should also decrease the multiplier so the
877 * output doesn't go out of range, but not too much such that
878 * the multiplier stays above 12, the minimal operation value.
879 *
880 * To keep it simple, set the multiplier to 17, the reset value.
881 */
882 val &= ~GENMASK(SUN8I_A83T_PLL_N_SHIFT + SUN8I_A83T_PLL_N_WIDTH - 1,
883 SUN8I_A83T_PLL_N_SHIFT);
884 val |= 17 << SUN8I_A83T_PLL_N_SHIFT;
885
886 /* And clear P */
887 val &= ~BIT(SUN8I_A83T_PLL_P_SHIFT);
888
889 writel(val, reg);
890}
891
892static int sun8i_a83t_ccu_probe(struct platform_device *pdev)
893{
894 struct resource *res;
895 void __iomem *reg;
896 u32 val;
897
898 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
899 reg = devm_ioremap_resource(&pdev->dev, res);
900 if (IS_ERR(reg))
901 return PTR_ERR(reg);
902
903 /* Enforce d1 = 0, d2 = 1 for Audio PLL */
904 val = readl(reg + SUN8I_A83T_PLL_AUDIO_REG);
905 val &= ~BIT(16);
906 val |= BIT(18);
907 writel(val, reg + SUN8I_A83T_PLL_AUDIO_REG);
908
909 /* Enforce P = 1 for both CPU cluster PLLs */
910 sun8i_a83t_cpu_pll_fixup(reg + SUN8I_A83T_PLL_C0CPUX_REG);
911 sun8i_a83t_cpu_pll_fixup(reg + SUN8I_A83T_PLL_C1CPUX_REG);
912
913 return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun8i_a83t_ccu_desc);
914}
915
916static const struct of_device_id sun8i_a83t_ccu_ids[] = {
917 { .compatible = "allwinner,sun8i-a83t-ccu" },
918 { }
919};
920
921static struct platform_driver sun8i_a83t_ccu_driver = {
922 .probe = sun8i_a83t_ccu_probe,
923 .driver = {
924 .name = "sun8i-a83t-ccu",
925 .of_match_table = sun8i_a83t_ccu_ids,
926 },
927};
928builtin_platform_driver(sun8i_a83t_ccu_driver);