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Linux 4.16.11
[linux/fpc-iii.git] / drivers / clk / mediatek / clk-mt7622.c
blob92f7e32770c6a9905c79b2a84f2075c0dcd2be05
1 /*
2 * Copyright (c) 2017 MediaTek Inc.
3 * Author: Chen Zhong <chen.zhong@mediatek.com>
4 * Sean Wang <sean.wang@mediatek.com>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 */
15
16 #include <linux/clk-provider.h>
17 #include <linux/of.h>
18 #include <linux/of_address.h>
19 #include <linux/of_device.h>
20 #include <linux/platform_device.h>
21
22 #include "clk-mtk.h"
23 #include "clk-gate.h"
24 #include "clk-cpumux.h"
25
26 #include <dt-bindings/clock/mt7622-clk.h>
27 #include <linux/clk.h> /* for consumer */
28
29 #define MT7622_PLL_FMAX (2500UL * MHZ)
30 #define CON0_MT7622_RST_BAR BIT(27)
31
32 #define PLL_xtal(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,\
33 _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
34 _pcw_shift, _div_table, _parent_name) { \
35 .id = _id, \
36 .name = _name, \
37 .reg = _reg, \
38 .pwr_reg = _pwr_reg, \
39 .en_mask = _en_mask, \
40 .flags = _flags, \
41 .rst_bar_mask = CON0_MT7622_RST_BAR, \
42 .fmax = MT7622_PLL_FMAX, \
43 .pcwbits = _pcwbits, \
44 .pd_reg = _pd_reg, \
45 .pd_shift = _pd_shift, \
46 .tuner_reg = _tuner_reg, \
47 .pcw_reg = _pcw_reg, \
48 .pcw_shift = _pcw_shift, \
49 .div_table = _div_table, \
50 .parent_name = _parent_name, \
51 }
52
53 #define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
54 _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
55 _pcw_shift) \
56 PLL_xtal(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits,\
57 _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \
58 NULL, "clkxtal")
59
60 #define GATE_APMIXED(_id, _name, _parent, _shift) { \
61 .id = _id, \
62 .name = _name, \
63 .parent_name = _parent, \
64 .regs = &apmixed_cg_regs, \
65 .shift = _shift, \
66 .ops = &mtk_clk_gate_ops_no_setclr_inv, \
67 }
68
69 #define GATE_INFRA(_id, _name, _parent, _shift) { \
70 .id = _id, \
71 .name = _name, \
72 .parent_name = _parent, \
73 .regs = &infra_cg_regs, \
74 .shift = _shift, \
75 .ops = &mtk_clk_gate_ops_setclr, \
76 }
77
78 #define GATE_TOP0(_id, _name, _parent, _shift) { \
79 .id = _id, \
80 .name = _name, \
81 .parent_name = _parent, \
82 .regs = &top0_cg_regs, \
83 .shift = _shift, \
84 .ops = &mtk_clk_gate_ops_no_setclr, \
85 }
86
87 #define GATE_TOP1(_id, _name, _parent, _shift) { \
88 .id = _id, \
89 .name = _name, \
90 .parent_name = _parent, \
91 .regs = &top1_cg_regs, \
92 .shift = _shift, \
93 .ops = &mtk_clk_gate_ops_no_setclr, \
94 }
95
96 #define GATE_PERI0(_id, _name, _parent, _shift) { \
97 .id = _id, \
98 .name = _name, \
99 .parent_name = _parent, \
100 .regs = &peri0_cg_regs, \
101 .shift = _shift, \
102 .ops = &mtk_clk_gate_ops_setclr, \
103 }
104
105 #define GATE_PERI1(_id, _name, _parent, _shift) { \
106 .id = _id, \
107 .name = _name, \
108 .parent_name = _parent, \
109 .regs = &peri1_cg_regs, \
110 .shift = _shift, \
111 .ops = &mtk_clk_gate_ops_setclr, \
112 }
113
114 static DEFINE_SPINLOCK(mt7622_clk_lock);
115
116 static const char * const infra_mux1_parents[] = {
117 "clkxtal",
118 "armpll",
119 "main_core_en",
120 "armpll"
121 };
122
123 static const char * const axi_parents[] = {
124 "clkxtal",
125 "syspll1_d2",
126 "syspll_d5",
127 "syspll1_d4",
128 "univpll_d5",
129 "univpll2_d2",
130 "univpll_d7"
131 };
132
133 static const char * const mem_parents[] = {
134 "clkxtal",
135 "dmpll_ck"
136 };
137
138 static const char * const ddrphycfg_parents[] = {
139 "clkxtal",
140 "syspll1_d8"
141 };
142
143 static const char * const eth_parents[] = {
144 "clkxtal",
145 "syspll1_d2",
146 "univpll1_d2",
147 "syspll1_d4",
148 "univpll_d5",
149 "clk_null",
150 "univpll_d7"
151 };
152
153 static const char * const pwm_parents[] = {
154 "clkxtal",
155 "univpll2_d4"
156 };
157
158 static const char * const f10m_ref_parents[] = {
159 "clkxtal",
160 "syspll4_d16"
161 };
162
163 static const char * const nfi_infra_parents[] = {
164 "clkxtal",
165 "clkxtal",
166 "clkxtal",
167 "clkxtal",
168 "clkxtal",
169 "clkxtal",
170 "clkxtal",
171 "clkxtal",
172 "univpll2_d8",
173 "syspll1_d8",
174 "univpll1_d8",
175 "syspll4_d2",
176 "univpll2_d4",
177 "univpll3_d2",
178 "syspll1_d4"
179 };
180
181 static const char * const flash_parents[] = {
182 "clkxtal",
183 "univpll_d80_d4",
184 "syspll2_d8",
185 "syspll3_d4",
186 "univpll3_d4",
187 "univpll1_d8",
188 "syspll2_d4",
189 "univpll2_d4"
190 };
191
192 static const char * const uart_parents[] = {
193 "clkxtal",
194 "univpll2_d8"
195 };
196
197 static const char * const spi0_parents[] = {
198 "clkxtal",
199 "syspll3_d2",
200 "clkxtal",
201 "syspll2_d4",
202 "syspll4_d2",
203 "univpll2_d4",
204 "univpll1_d8",
205 "clkxtal"
206 };
207
208 static const char * const spi1_parents[] = {
209 "clkxtal",
210 "syspll3_d2",
211 "clkxtal",
212 "syspll4_d4",
213 "syspll4_d2",
214 "univpll2_d4",
215 "univpll1_d8",
216 "clkxtal"
217 };
218
219 static const char * const msdc30_0_parents[] = {
220 "clkxtal",
221 "univpll2_d16",
222 "univ48m"
223 };
224
225 static const char * const a1sys_hp_parents[] = {
226 "clkxtal",
227 "aud1pll_ck",
228 "aud2pll_ck",
229 "clkxtal"
230 };
231
232 static const char * const intdir_parents[] = {
233 "clkxtal",
234 "syspll_d2",
235 "univpll_d2",
236 "sgmiipll_ck"
237 };
238
239 static const char * const aud_intbus_parents[] = {
240 "clkxtal",
241 "syspll1_d4",
242 "syspll4_d2",
243 "syspll3_d2"
244 };
245
246 static const char * const pmicspi_parents[] = {
247 "clkxtal",
248 "clk_null",
249 "clk_null",
250 "clk_null",
251 "clk_null",
252 "univpll2_d16"
253 };
254
255 static const char * const atb_parents[] = {
256 "clkxtal",
257 "syspll1_d2",
258 "syspll_d5"
259 };
260
261 static const char * const audio_parents[] = {
262 "clkxtal",
263 "syspll3_d4",
264 "syspll4_d4",
265 "univpll1_d16"
266 };
267
268 static const char * const usb20_parents[] = {
269 "clkxtal",
270 "univpll3_d4",
271 "syspll1_d8",
272 "clkxtal"
273 };
274
275 static const char * const aud1_parents[] = {
276 "clkxtal",
277 "aud1pll_ck"
278 };
279
280 static const char * const aud2_parents[] = {
281 "clkxtal",
282 "aud2pll_ck"
283 };
284
285 static const char * const asm_l_parents[] = {
286 "clkxtal",
287 "syspll_d5",
288 "univpll2_d2",
289 "univpll2_d4"
290 };
291
292 static const char * const apll1_ck_parents[] = {
293 "aud1_sel",
294 "aud2_sel"
295 };
296
297 static const char * const peribus_ck_parents[] = {
298 "syspll1_d8",
299 "syspll1_d4"
300 };
301
302 static const struct mtk_gate_regs apmixed_cg_regs = {
303 .set_ofs = 0x8,
304 .clr_ofs = 0x8,
305 .sta_ofs = 0x8,
306 };
307
308 static const struct mtk_gate_regs infra_cg_regs = {
309 .set_ofs = 0x40,
310 .clr_ofs = 0x44,
311 .sta_ofs = 0x48,
312 };
313
314 static const struct mtk_gate_regs top0_cg_regs = {
315 .set_ofs = 0x120,
316 .clr_ofs = 0x120,
317 .sta_ofs = 0x120,
318 };
319
320 static const struct mtk_gate_regs top1_cg_regs = {
321 .set_ofs = 0x128,
322 .clr_ofs = 0x128,
323 .sta_ofs = 0x128,
324 };
325
326 static const struct mtk_gate_regs peri0_cg_regs = {
327 .set_ofs = 0x8,
328 .clr_ofs = 0x10,
329 .sta_ofs = 0x18,
330 };
331
332 static const struct mtk_gate_regs peri1_cg_regs = {
333 .set_ofs = 0xC,
334 .clr_ofs = 0x14,
335 .sta_ofs = 0x1C,
336 };
337
338 static const struct mtk_pll_data plls[] = {
339 PLL(CLK_APMIXED_ARMPLL, "armpll", 0x0200, 0x020C, 0x00000001,
340 PLL_AO, 21, 0x0204, 24, 0, 0x0204, 0),
341 PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0210, 0x021C, 0x00000001,
342 HAVE_RST_BAR, 21, 0x0214, 24, 0, 0x0214, 0),
343 PLL(CLK_APMIXED_UNIV2PLL, "univ2pll", 0x0220, 0x022C, 0x00000001,
344 HAVE_RST_BAR, 7, 0x0224, 24, 0, 0x0224, 14),
345 PLL(CLK_APMIXED_ETH1PLL, "eth1pll", 0x0300, 0x0310, 0x00000001,
346 0, 21, 0x0300, 1, 0, 0x0304, 0),
347 PLL(CLK_APMIXED_ETH2PLL, "eth2pll", 0x0314, 0x0320, 0x00000001,
348 0, 21, 0x0314, 1, 0, 0x0318, 0),
349 PLL(CLK_APMIXED_AUD1PLL, "aud1pll", 0x0324, 0x0330, 0x00000001,
350 0, 31, 0x0324, 1, 0, 0x0328, 0),
351 PLL(CLK_APMIXED_AUD2PLL, "aud2pll", 0x0334, 0x0340, 0x00000001,
352 0, 31, 0x0334, 1, 0, 0x0338, 0),
353 PLL(CLK_APMIXED_TRGPLL, "trgpll", 0x0344, 0x0354, 0x00000001,
354 0, 21, 0x0344, 1, 0, 0x0348, 0),
355 PLL(CLK_APMIXED_SGMIPLL, "sgmipll", 0x0358, 0x0368, 0x00000001,
356 0, 21, 0x0358, 1, 0, 0x035C, 0),
357 };
358
359 static const struct mtk_gate apmixed_clks[] = {
360 GATE_APMIXED(CLK_APMIXED_MAIN_CORE_EN, "main_core_en", "mainpll", 5),
361 };
362
363 static const struct mtk_gate infra_clks[] = {
364 GATE_INFRA(CLK_INFRA_DBGCLK_PD, "infra_dbgclk_pd", "axi_sel", 0),
365 GATE_INFRA(CLK_INFRA_TRNG, "trng_ck", "axi_sel", 2),
366 GATE_INFRA(CLK_INFRA_AUDIO_PD, "infra_audio_pd", "aud_intbus_sel", 5),
367 GATE_INFRA(CLK_INFRA_IRRX_PD, "infra_irrx_pd", "irrx_sel", 16),
368 GATE_INFRA(CLK_INFRA_APXGPT_PD, "infra_apxgpt_pd", "f10m_ref_sel", 18),
369 GATE_INFRA(CLK_INFRA_PMIC_PD, "infra_pmic_pd", "pmicspi_sel", 22),
370 };
371
372 static const struct mtk_fixed_clk top_fixed_clks[] = {
373 FIXED_CLK(CLK_TOP_TO_U2_PHY, "to_u2_phy", "clkxtal",
374 31250000),
375 FIXED_CLK(CLK_TOP_TO_U2_PHY_1P, "to_u2_phy_1p", "clkxtal",
376 31250000),
377 FIXED_CLK(CLK_TOP_PCIE0_PIPE_EN, "pcie0_pipe_en", "clkxtal",
378 125000000),
379 FIXED_CLK(CLK_TOP_PCIE1_PIPE_EN, "pcie1_pipe_en", "clkxtal",
380 125000000),
381 FIXED_CLK(CLK_TOP_SSUSB_TX250M, "ssusb_tx250m", "clkxtal",
382 250000000),
383 FIXED_CLK(CLK_TOP_SSUSB_EQ_RX250M, "ssusb_eq_rx250m", "clkxtal",
384 250000000),
385 FIXED_CLK(CLK_TOP_SSUSB_CDR_REF, "ssusb_cdr_ref", "clkxtal",
386 33333333),
387 FIXED_CLK(CLK_TOP_SSUSB_CDR_FB, "ssusb_cdr_fb", "clkxtal",
388 50000000),
389 FIXED_CLK(CLK_TOP_SATA_ASIC, "sata_asic", "clkxtal",
390 50000000),
391 FIXED_CLK(CLK_TOP_SATA_RBC, "sata_rbc", "clkxtal",
392 50000000),
393 };
394
395 static const struct mtk_fixed_factor top_divs[] = {
396 FACTOR(CLK_TOP_TO_USB3_SYS, "to_usb3_sys", "eth1pll", 1, 4),
397 FACTOR(CLK_TOP_P1_1MHZ, "p1_1mhz", "eth1pll", 1, 500),
398 FACTOR(CLK_TOP_4MHZ, "free_run_4mhz", "eth1pll", 1, 125),
399 FACTOR(CLK_TOP_P0_1MHZ, "p0_1mhz", "eth1pll", 1, 500),
400 FACTOR(CLK_TOP_TXCLK_SRC_PRE, "txclk_src_pre", "sgmiipll_d2", 1, 1),
401 FACTOR(CLK_TOP_RTC, "rtc", "clkxtal", 1, 1024),
402 FACTOR(CLK_TOP_MEMPLL, "mempll", "clkxtal", 32, 1),
403 FACTOR(CLK_TOP_DMPLL, "dmpll_ck", "mempll", 1, 1),
404 FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "mainpll", 1, 2),
405 FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "mainpll", 1, 4),
406 FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "mainpll", 1, 8),
407 FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "mainpll", 1, 16),
408 FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "mainpll", 1, 12),
409 FACTOR(CLK_TOP_SYSPLL2_D8, "syspll2_d8", "mainpll", 1, 24),
410 FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "mainpll", 1, 5),
411 FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "mainpll", 1, 10),
412 FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "mainpll", 1, 20),
413 FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "mainpll", 1, 14),
414 FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "mainpll", 1, 28),
415 FACTOR(CLK_TOP_SYSPLL4_D16, "syspll4_d16", "mainpll", 1, 112),
416 FACTOR(CLK_TOP_UNIVPLL, "univpll", "univ2pll", 1, 2),
417 FACTOR(CLK_TOP_UNIVPLL_D2, "univpll_d2", "univpll", 1, 2),
418 FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univpll", 1, 4),
419 FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univpll", 1, 8),
420 FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univpll", 1, 16),
421 FACTOR(CLK_TOP_UNIVPLL1_D16, "univpll1_d16", "univpll", 1, 32),
422 FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univpll", 1, 6),
423 FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univpll", 1, 12),
424 FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univpll", 1, 24),
425 FACTOR(CLK_TOP_UNIVPLL2_D16, "univpll2_d16", "univpll", 1, 48),
426 FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll", 1, 5),
427 FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univpll", 1, 10),
428 FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univpll", 1, 20),
429 FACTOR(CLK_TOP_UNIVPLL3_D16, "univpll3_d16", "univpll", 1, 80),
430 FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univpll", 1, 7),
431 FACTOR(CLK_TOP_UNIVPLL_D80_D4, "univpll_d80_d4", "univpll", 1, 320),
432 FACTOR(CLK_TOP_UNIV48M, "univ48m", "univpll", 1, 25),
433 FACTOR(CLK_TOP_SGMIIPLL, "sgmiipll_ck", "sgmipll", 1, 1),
434 FACTOR(CLK_TOP_SGMIIPLL_D2, "sgmiipll_d2", "sgmipll", 1, 2),
435 FACTOR(CLK_TOP_AUD1PLL, "aud1pll_ck", "aud1pll", 1, 1),
436 FACTOR(CLK_TOP_AUD2PLL, "aud2pll_ck", "aud2pll", 1, 1),
437 FACTOR(CLK_TOP_AUD_I2S2_MCK, "aud_i2s2_mck", "i2s2_mck_sel", 1, 2),
438 FACTOR(CLK_TOP_TO_USB3_REF, "to_usb3_ref", "univpll2_d4", 1, 4),
439 FACTOR(CLK_TOP_PCIE1_MAC_EN, "pcie1_mac_en", "univpll1_d4", 1, 1),
440 FACTOR(CLK_TOP_PCIE0_MAC_EN, "pcie0_mac_en", "univpll1_d4", 1, 1),
441 FACTOR(CLK_TOP_ETH_500M, "eth_500m", "eth1pll", 1, 1),
442 };
443
444 static const struct mtk_gate top_clks[] = {
445 /* TOP0 */
446 GATE_TOP0(CLK_TOP_APLL1_DIV_PD, "apll1_ck_div_pd", "apll1_ck_div", 0),
447 GATE_TOP0(CLK_TOP_APLL2_DIV_PD, "apll2_ck_div_pd", "apll2_ck_div", 1),
448 GATE_TOP0(CLK_TOP_I2S0_MCK_DIV_PD, "i2s0_mck_div_pd", "i2s0_mck_div",
449 2),
450 GATE_TOP0(CLK_TOP_I2S1_MCK_DIV_PD, "i2s1_mck_div_pd", "i2s1_mck_div",
451 3),
452 GATE_TOP0(CLK_TOP_I2S2_MCK_DIV_PD, "i2s2_mck_div_pd", "i2s2_mck_div",
453 4),
454 GATE_TOP0(CLK_TOP_I2S3_MCK_DIV_PD, "i2s3_mck_div_pd", "i2s3_mck_div",
455 5),
456
457 /* TOP1 */
458 GATE_TOP1(CLK_TOP_A1SYS_HP_DIV_PD, "a1sys_div_pd", "a1sys_div", 0),
459 GATE_TOP1(CLK_TOP_A2SYS_HP_DIV_PD, "a2sys_div_pd", "a2sys_div", 16),
460 };
461
462 static const struct mtk_clk_divider top_adj_divs[] = {
463 DIV_ADJ(CLK_TOP_APLL1_DIV, "apll1_ck_div", "apll1_ck_sel",
464 0x120, 24, 3),
465 DIV_ADJ(CLK_TOP_APLL2_DIV, "apll2_ck_div", "apll2_ck_sel",
466 0x120, 28, 3),
467 DIV_ADJ(CLK_TOP_I2S0_MCK_DIV, "i2s0_mck_div", "i2s0_mck_sel",
468 0x124, 0, 7),
469 DIV_ADJ(CLK_TOP_I2S1_MCK_DIV, "i2s1_mck_div", "i2s1_mck_sel",
470 0x124, 8, 7),
471 DIV_ADJ(CLK_TOP_I2S2_MCK_DIV, "i2s2_mck_div", "aud_i2s2_mck",
472 0x124, 16, 7),
473 DIV_ADJ(CLK_TOP_I2S3_MCK_DIV, "i2s3_mck_div", "i2s3_mck_sel",
474 0x124, 24, 7),
475 DIV_ADJ(CLK_TOP_A1SYS_HP_DIV, "a1sys_div", "a1sys_hp_sel",
476 0x128, 8, 7),
477 DIV_ADJ(CLK_TOP_A2SYS_HP_DIV, "a2sys_div", "a2sys_hp_sel",
478 0x128, 24, 7),
479 };
480
481 static const struct mtk_gate peri_clks[] = {
482 /* PERI0 */
483 GATE_PERI0(CLK_PERI_THERM_PD, "peri_therm_pd", "axi_sel", 1),
484 GATE_PERI0(CLK_PERI_PWM1_PD, "peri_pwm1_pd", "clkxtal", 2),
485 GATE_PERI0(CLK_PERI_PWM2_PD, "peri_pwm2_pd", "clkxtal", 3),
486 GATE_PERI0(CLK_PERI_PWM3_PD, "peri_pwm3_pd", "clkxtal", 4),
487 GATE_PERI0(CLK_PERI_PWM4_PD, "peri_pwm4_pd", "clkxtal", 5),
488 GATE_PERI0(CLK_PERI_PWM5_PD, "peri_pwm5_pd", "clkxtal", 6),
489 GATE_PERI0(CLK_PERI_PWM6_PD, "peri_pwm6_pd", "clkxtal", 7),
490 GATE_PERI0(CLK_PERI_PWM7_PD, "peri_pwm7_pd", "clkxtal", 8),
491 GATE_PERI0(CLK_PERI_PWM_PD, "peri_pwm_pd", "clkxtal", 9),
492 GATE_PERI0(CLK_PERI_AP_DMA_PD, "peri_ap_dma_pd", "axi_sel", 12),
493 GATE_PERI0(CLK_PERI_MSDC30_0_PD, "peri_msdc30_0", "msdc30_0_sel", 13),
494 GATE_PERI0(CLK_PERI_MSDC30_1_PD, "peri_msdc30_1", "msdc30_1_sel", 14),
495 GATE_PERI0(CLK_PERI_UART0_PD, "peri_uart0_pd", "axi_sel", 17),
496 GATE_PERI0(CLK_PERI_UART1_PD, "peri_uart1_pd", "axi_sel", 18),
497 GATE_PERI0(CLK_PERI_UART2_PD, "peri_uart2_pd", "axi_sel", 19),
498 GATE_PERI0(CLK_PERI_UART3_PD, "peri_uart3_pd", "axi_sel", 20),
499 GATE_PERI0(CLK_PERI_UART4_PD, "peri_uart4_pd", "axi_sel", 21),
500 GATE_PERI0(CLK_PERI_BTIF_PD, "peri_btif_pd", "axi_sel", 22),
501 GATE_PERI0(CLK_PERI_I2C0_PD, "peri_i2c0_pd", "axi_sel", 23),
502 GATE_PERI0(CLK_PERI_I2C1_PD, "peri_i2c1_pd", "axi_sel", 24),
503 GATE_PERI0(CLK_PERI_I2C2_PD, "peri_i2c2_pd", "axi_sel", 25),
504 GATE_PERI0(CLK_PERI_SPI1_PD, "peri_spi1_pd", "spi1_sel", 26),
505 GATE_PERI0(CLK_PERI_AUXADC_PD, "peri_auxadc_pd", "clkxtal", 27),
506 GATE_PERI0(CLK_PERI_SPI0_PD, "peri_spi0_pd", "spi0_sel", 28),
507 GATE_PERI0(CLK_PERI_SNFI_PD, "peri_snfi_pd", "nfi_infra_sel", 29),
508 GATE_PERI0(CLK_PERI_NFI_PD, "peri_nfi_pd", "axi_sel", 30),
509 GATE_PERI0(CLK_PERI_NFIECC_PD, "peri_nfiecc_pd", "axi_sel", 31),
510
511 /* PERI1 */
512 GATE_PERI1(CLK_PERI_FLASH_PD, "peri_flash_pd", "flash_sel", 1),
513 GATE_PERI1(CLK_PERI_IRTX_PD, "peri_irtx_pd", "irtx_sel", 2),
514 };
515
516 static struct mtk_composite infra_muxes[] __initdata = {
517 MUX(CLK_INFRA_MUX1_SEL, "infra_mux1_sel", infra_mux1_parents,
518 0x000, 2, 2),
519 };
520
521 static struct mtk_composite top_muxes[] = {
522 /* CLK_CFG_0 */
523 MUX_GATE(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
524 0x040, 0, 3, 7),
525 MUX_GATE(CLK_TOP_MEM_SEL, "mem_sel", mem_parents,
526 0x040, 8, 1, 15),
527 MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents,
528 0x040, 16, 1, 23),
529 MUX_GATE(CLK_TOP_ETH_SEL, "eth_sel", eth_parents,
530 0x040, 24, 3, 31),
531
532 /* CLK_CFG_1 */
533 MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents,
534 0x050, 0, 2, 7),
535 MUX_GATE(CLK_TOP_F10M_REF_SEL, "f10m_ref_sel", f10m_ref_parents,
536 0x050, 8, 1, 15),
537 MUX_GATE(CLK_TOP_NFI_INFRA_SEL, "nfi_infra_sel", nfi_infra_parents,
538 0x050, 16, 4, 23),
539 MUX_GATE(CLK_TOP_FLASH_SEL, "flash_sel", flash_parents,
540 0x050, 24, 3, 31),
541
542 /* CLK_CFG_2 */
543 MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents,
544 0x060, 0, 1, 7),
545 MUX_GATE(CLK_TOP_SPI0_SEL, "spi0_sel", spi0_parents,
546 0x060, 8, 3, 15),
547 MUX_GATE(CLK_TOP_SPI1_SEL, "spi1_sel", spi1_parents,
548 0x060, 16, 3, 23),
549 MUX_GATE(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", uart_parents,
550 0x060, 24, 3, 31),
551
552 /* CLK_CFG_3 */
553 MUX_GATE(CLK_TOP_MSDC30_0_SEL, "msdc30_0_sel", msdc30_0_parents,
554 0x070, 0, 3, 7),
555 MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_0_parents,
556 0x070, 8, 3, 15),
557 MUX_GATE(CLK_TOP_A1SYS_HP_SEL, "a1sys_hp_sel", a1sys_hp_parents,
558 0x070, 16, 2, 23),
559 MUX_GATE(CLK_TOP_A2SYS_HP_SEL, "a2sys_hp_sel", a1sys_hp_parents,
560 0x070, 24, 2, 31),
561
562 /* CLK_CFG_4 */
563 MUX_GATE(CLK_TOP_INTDIR_SEL, "intdir_sel", intdir_parents,
564 0x080, 0, 2, 7),
565 MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents,
566 0x080, 8, 2, 15),
567 MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents,
568 0x080, 16, 3, 23),
569 MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", ddrphycfg_parents,
570 0x080, 24, 2, 31),
571
572 /* CLK_CFG_5 */
573 MUX_GATE(CLK_TOP_ATB_SEL, "atb_sel", atb_parents,
574 0x090, 0, 2, 7),
575 MUX_GATE(CLK_TOP_HIF_SEL, "hif_sel", eth_parents,
576 0x090, 8, 3, 15),
577 MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents,
578 0x090, 16, 2, 23),
579 MUX_GATE(CLK_TOP_U2_SEL, "usb20_sel", usb20_parents,
580 0x090, 24, 2, 31),
581
582 /* CLK_CFG_6 */
583 MUX_GATE(CLK_TOP_AUD1_SEL, "aud1_sel", aud1_parents,
584 0x0A0, 0, 1, 7),
585 MUX_GATE(CLK_TOP_AUD2_SEL, "aud2_sel", aud2_parents,
586 0x0A0, 8, 1, 15),
587 MUX_GATE(CLK_TOP_IRRX_SEL, "irrx_sel", f10m_ref_parents,
588 0x0A0, 16, 1, 23),
589 MUX_GATE(CLK_TOP_IRTX_SEL, "irtx_sel", f10m_ref_parents,
590 0x0A0, 24, 1, 31),
591
592 /* CLK_CFG_7 */
593 MUX_GATE(CLK_TOP_ASM_L_SEL, "asm_l_sel", asm_l_parents,
594 0x0B0, 0, 2, 7),
595 MUX_GATE(CLK_TOP_ASM_M_SEL, "asm_m_sel", asm_l_parents,
596 0x0B0, 8, 2, 15),
597 MUX_GATE(CLK_TOP_ASM_H_SEL, "asm_h_sel", asm_l_parents,
598 0x0B0, 16, 2, 23),
599
600 /* CLK_AUDDIV_0 */
601 MUX(CLK_TOP_APLL1_SEL, "apll1_ck_sel", apll1_ck_parents,
602 0x120, 6, 1),
603 MUX(CLK_TOP_APLL2_SEL, "apll2_ck_sel", apll1_ck_parents,
604 0x120, 7, 1),
605 MUX(CLK_TOP_I2S0_MCK_SEL, "i2s0_mck_sel", apll1_ck_parents,
606 0x120, 8, 1),
607 MUX(CLK_TOP_I2S1_MCK_SEL, "i2s1_mck_sel", apll1_ck_parents,
608 0x120, 9, 1),
609 MUX(CLK_TOP_I2S2_MCK_SEL, "i2s2_mck_sel", apll1_ck_parents,
610 0x120, 10, 1),
611 MUX(CLK_TOP_I2S3_MCK_SEL, "i2s3_mck_sel", apll1_ck_parents,
612 0x120, 11, 1),
613 };
614
615 static struct mtk_composite peri_muxes[] = {
616 /* PERI_GLOBALCON_CKSEL */
617 MUX(CLK_PERIBUS_SEL, "peribus_ck_sel", peribus_ck_parents, 0x05C, 0, 1),
618 };
619
620 static int mtk_topckgen_init(struct platform_device *pdev)
621 {
622 struct clk_onecell_data *clk_data;
623 void __iomem *base;
624 struct device_node *node = pdev->dev.of_node;
625 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
626
627 base = devm_ioremap_resource(&pdev->dev, res);
628 if (IS_ERR(base))
629 return PTR_ERR(base);
630
631 clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
632
633 mtk_clk_register_fixed_clks(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
634 clk_data);
635
636 mtk_clk_register_factors(top_divs, ARRAY_SIZE(top_divs),
637 clk_data);
638
639 mtk_clk_register_composites(top_muxes, ARRAY_SIZE(top_muxes),
640 base, &mt7622_clk_lock, clk_data);
641
642 mtk_clk_register_dividers(top_adj_divs, ARRAY_SIZE(top_adj_divs),
643 base, &mt7622_clk_lock, clk_data);
644
645 mtk_clk_register_gates(node, top_clks, ARRAY_SIZE(top_clks),
646 clk_data);
647
648 clk_prepare_enable(clk_data->clks[CLK_TOP_AXI_SEL]);
649 clk_prepare_enable(clk_data->clks[CLK_TOP_MEM_SEL]);
650 clk_prepare_enable(clk_data->clks[CLK_TOP_DDRPHYCFG_SEL]);
651
652 return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
653 }
654
655 static int __init mtk_infrasys_init(struct platform_device *pdev)
656 {
657 struct device_node *node = pdev->dev.of_node;
658 struct clk_onecell_data *clk_data;
659 int r;
660
661 clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK);
662
663 mtk_clk_register_gates(node, infra_clks, ARRAY_SIZE(infra_clks),
664 clk_data);
665
666 mtk_clk_register_cpumuxes(node, infra_muxes, ARRAY_SIZE(infra_muxes),
667 clk_data);
668
669 r = of_clk_add_provider(node, of_clk_src_onecell_get,
670 clk_data);
671 if (r)
672 return r;
673
674 mtk_register_reset_controller(node, 1, 0x30);
675
676 return 0;
677 }
678
679 static int mtk_apmixedsys_init(struct platform_device *pdev)
680 {
681 struct clk_onecell_data *clk_data;
682 struct device_node *node = pdev->dev.of_node;
683
684 clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
685 if (!clk_data)
686 return -ENOMEM;
687
688 mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls),
689 clk_data);
690
691 mtk_clk_register_gates(node, apmixed_clks,
692 ARRAY_SIZE(apmixed_clks), clk_data);
693
694 clk_prepare_enable(clk_data->clks[CLK_APMIXED_ARMPLL]);
695 clk_prepare_enable(clk_data->clks[CLK_APMIXED_MAIN_CORE_EN]);
696
697 return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
698 }
699
700 static int mtk_pericfg_init(struct platform_device *pdev)
701 {
702 struct clk_onecell_data *clk_data;
703 void __iomem *base;
704 int r;
705 struct device_node *node = pdev->dev.of_node;
706 struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
707
708 base = devm_ioremap_resource(&pdev->dev, res);
709 if (IS_ERR(base))
710 return PTR_ERR(base);
711
712 clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
713
714 mtk_clk_register_gates(node, peri_clks, ARRAY_SIZE(peri_clks),
715 clk_data);
716
717 mtk_clk_register_composites(peri_muxes, ARRAY_SIZE(peri_muxes), base,
718 &mt7622_clk_lock, clk_data);
719
720 r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
721 if (r)
722 return r;
723
724 clk_prepare_enable(clk_data->clks[CLK_PERI_UART0_PD]);
725
726 mtk_register_reset_controller(node, 2, 0x0);
727
728 return 0;
729 }
730
731 static const struct of_device_id of_match_clk_mt7622[] = {
732 {
733 .compatible = "mediatek,mt7622-apmixedsys",
734 .data = mtk_apmixedsys_init,
735 }, {
736 .compatible = "mediatek,mt7622-infracfg",
737 .data = mtk_infrasys_init,
738 }, {
739 .compatible = "mediatek,mt7622-topckgen",
740 .data = mtk_topckgen_init,
741 }, {
742 .compatible = "mediatek,mt7622-pericfg",
743 .data = mtk_pericfg_init,
744 }, {
745 /* sentinel */
746 }
747 };
748
749 static int clk_mt7622_probe(struct platform_device *pdev)
750 {
751 int (*clk_init)(struct platform_device *);
752 int r;
753
754 clk_init = of_device_get_match_data(&pdev->dev);
755 if (!clk_init)
756 return -EINVAL;
757
758 r = clk_init(pdev);
759 if (r)
760 dev_err(&pdev->dev,
761 "could not register clock provider: %s: %d\n",
762 pdev->name, r);
763
764 return r;
765 }
766
767 static struct platform_driver clk_mt7622_drv = {
768 .probe = clk_mt7622_probe,
769 .driver = {
770 .name = "clk-mt7622",
771 .of_match_table = of_match_clk_mt7622,
772 },
773 };
774
775 static int clk_mt7622_init(void)
776 {
777 return platform_driver_register(&clk_mt7622_drv);
778 }
779
780 arch_initcall(clk_mt7622_init);
Linux with added FPC-III support