1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) 2018 MediaTek Inc.
4 * Author: Wenzhen Yu <Wenzhen Yu@mediatek.com>
5 * Ryder Lee <ryder.lee@mediatek.com>
6 */
7
8#include <linux/clk.h>
9#include <linux/clk-provider.h>
10#include <linux/of.h>
11#include <linux/platform_device.h>
12
13#include "clk-cpumux.h"
14#include "clk-gate.h"
15#include "clk-mtk.h"
16#include "clk-pll.h"
17
18#include <dt-bindings/clock/mt7629-clk.h>
19
20#define MT7629_PLL_FMAX (2500UL * MHZ)
21#define CON0_MT7629_RST_BAR BIT(24)
22
23#define PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
24 _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
25 _pcw_shift, _div_table, _parent_name) { \
26 .id = _id, \
27 .name = _name, \
28 .reg = _reg, \
29 .pwr_reg = _pwr_reg, \
30 .en_mask = _en_mask, \
31 .flags = _flags, \
32 .rst_bar_mask = CON0_MT7629_RST_BAR, \
33 .fmax = MT7629_PLL_FMAX, \
34 .pcwbits = _pcwbits, \
35 .pd_reg = _pd_reg, \
36 .pd_shift = _pd_shift, \
37 .tuner_reg = _tuner_reg, \
38 .pcw_reg = _pcw_reg, \
39 .pcw_shift = _pcw_shift, \
40 .div_table = _div_table, \
41 .parent_name = _parent_name, \
42 }
43
44#define PLL(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
45 _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, \
46 _pcw_shift) \
47 PLL_B(_id, _name, _reg, _pwr_reg, _en_mask, _flags, _pcwbits, \
48 _pd_reg, _pd_shift, _tuner_reg, _pcw_reg, _pcw_shift, \
49 NULL, "clk20m")
50
51#define GATE_APMIXED(_id, _name, _parent, _shift) \
52 GATE_MTK(_id, _name, _parent, &apmixed_cg_regs, _shift, &mtk_clk_gate_ops_no_setclr_inv)
53
54#define GATE_INFRA(_id, _name, _parent, _shift) \
55 GATE_MTK(_id, _name, _parent, &infra_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
56
57#define GATE_PERI0(_id, _name, _parent, _shift) \
58 GATE_MTK(_id, _name, _parent, &peri0_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
59
60#define GATE_PERI1(_id, _name, _parent, _shift) \
61 GATE_MTK(_id, _name, _parent, &peri1_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
62
63static DEFINE_SPINLOCK(mt7629_clk_lock);
64
65static const char * const axi_parents[] = {
66 "clkxtal",
67 "syspll1_d2",
68 "syspll_d5",
69 "syspll1_d4",
70 "univpll_d5",
71 "univpll2_d2",
72 "univpll_d7",
73 "dmpll_ck"
74};
75
76static const char * const mem_parents[] = {
77 "clkxtal",
78 "dmpll_ck"
79};
80
81static const char * const ddrphycfg_parents[] = {
82 "clkxtal",
83 "syspll1_d8"
84};
85
86static const char * const eth_parents[] = {
87 "clkxtal",
88 "syspll1_d2",
89 "univpll1_d2",
90 "syspll1_d4",
91 "univpll_d5",
92 "sgmiipll_d2",
93 "univpll_d7",
94 "dmpll_ck"
95};
96
97static const char * const pwm_parents[] = {
98 "clkxtal",
99 "univpll2_d4"
100};
101
102static const char * const f10m_ref_parents[] = {
103 "clkxtal",
104 "sgmiipll_d2"
105};
106
107static const char * const nfi_infra_parents[] = {
108 "clkxtal",
109 "clkxtal",
110 "clkxtal",
111 "clkxtal",
112 "clkxtal",
113 "clkxtal",
114 "univpll2_d8",
115 "univpll3_d4",
116 "syspll1_d8",
117 "univpll1_d8",
118 "syspll4_d2",
119 "syspll2_d4",
120 "univpll2_d4",
121 "univpll3_d2",
122 "syspll1_d4",
123 "syspll_d7"
124};
125
126static const char * const flash_parents[] = {
127 "clkxtal",
128 "univpll_d80_d4",
129 "syspll2_d8",
130 "syspll3_d4",
131 "univpll3_d4",
132 "univpll1_d8",
133 "syspll2_d4",
134 "univpll2_d4"
135};
136
137static const char * const uart_parents[] = {
138 "clkxtal",
139 "univpll2_d8"
140};
141
142static const char * const spi0_parents[] = {
143 "clkxtal",
144 "syspll3_d2",
145 "clkxtal",
146 "syspll2_d4",
147 "syspll4_d2",
148 "univpll2_d4",
149 "univpll1_d8",
150 "clkxtal"
151};
152
153static const char * const spi1_parents[] = {
154 "clkxtal",
155 "syspll3_d2",
156 "clkxtal",
157 "syspll4_d4",
158 "syspll4_d2",
159 "univpll2_d4",
160 "univpll1_d8",
161 "clkxtal"
162};
163
164static const char * const msdc30_0_parents[] = {
165 "clkxtal",
166 "univpll2_d16",
167 "univ48m"
168};
169
170static const char * const msdc30_1_parents[] = {
171 "clkxtal",
172 "univpll2_d16",
173 "univ48m",
174 "syspll2_d4",
175 "univpll2_d4",
176 "syspll_d7",
177 "syspll2_d2",
178 "univpll2_d2"
179};
180
181static const char * const ap2wbmcu_parents[] = {
182 "clkxtal",
183 "syspll1_d2",
184 "univ48m",
185 "syspll1_d8",
186 "univpll2_d4",
187 "syspll_d7",
188 "syspll2_d2",
189 "univpll2_d2"
190};
191
192static const char * const audio_parents[] = {
193 "clkxtal",
194 "syspll3_d4",
195 "syspll4_d4",
196 "syspll1_d16"
197};
198
199static const char * const aud_intbus_parents[] = {
200 "clkxtal",
201 "syspll1_d4",
202 "syspll4_d2",
203 "dmpll_d4"
204};
205
206static const char * const pmicspi_parents[] = {
207 "clkxtal",
208 "syspll1_d8",
209 "syspll3_d4",
210 "syspll1_d16",
211 "univpll3_d4",
212 "clkxtal",
213 "univpll2_d4",
214 "dmpll_d8"
215};
216
217static const char * const scp_parents[] = {
218 "clkxtal",
219 "syspll1_d8",
220 "univpll2_d2",
221 "univpll2_d4"
222};
223
224static const char * const atb_parents[] = {
225 "clkxtal",
226 "syspll1_d2",
227 "syspll_d5"
228};
229
230static const char * const hif_parents[] = {
231 "clkxtal",
232 "syspll1_d2",
233 "univpll1_d2",
234 "syspll1_d4",
235 "univpll_d5",
236 "clk_null",
237 "univpll_d7"
238};
239
240static const char * const sata_parents[] = {
241 "clkxtal",
242 "univpll2_d4"
243};
244
245static const char * const usb20_parents[] = {
246 "clkxtal",
247 "univpll3_d4",
248 "syspll1_d8"
249};
250
251static const char * const aud1_parents[] = {
252 "clkxtal"
253};
254
255static const char * const irrx_parents[] = {
256 "clkxtal",
257 "syspll4_d16"
258};
259
260static const char * const crypto_parents[] = {
261 "clkxtal",
262 "univpll_d3",
263 "univpll1_d2",
264 "syspll1_d2",
265 "univpll_d5",
266 "syspll_d5",
267 "univpll2_d2",
268 "syspll_d2"
269};
270
271static const char * const gpt10m_parents[] = {
272 "clkxtal",
273 "clkxtal_d4"
274};
275
276static const char * const peribus_ck_parents[] = {
277 "syspll1_d8",
278 "syspll1_d4"
279};
280
281static const char * const infra_mux1_parents[] = {
282 "clkxtal",
283 "armpll",
284 "main_core_en",
285 "armpll"
286};
287
288static const struct mtk_gate_regs apmixed_cg_regs = {
289 .set_ofs = 0x8,
290 .clr_ofs = 0x8,
291 .sta_ofs = 0x8,
292};
293
294static const struct mtk_gate_regs infra_cg_regs = {
295 .set_ofs = 0x40,
296 .clr_ofs = 0x44,
297 .sta_ofs = 0x48,
298};
299
300static const struct mtk_gate_regs peri0_cg_regs = {
301 .set_ofs = 0x8,
302 .clr_ofs = 0x10,
303 .sta_ofs = 0x18,
304};
305
306static const struct mtk_gate_regs peri1_cg_regs = {
307 .set_ofs = 0xC,
308 .clr_ofs = 0x14,
309 .sta_ofs = 0x1C,
310};
311
312static const struct mtk_pll_data plls[] = {
313 PLL(CLK_APMIXED_ARMPLL, "armpll", 0x0200, 0x020C, 0,
314 0, 21, 0x0204, 24, 0, 0x0204, 0),
315 PLL(CLK_APMIXED_MAINPLL, "mainpll", 0x0210, 0x021C, 0,
316 HAVE_RST_BAR, 21, 0x0214, 24, 0, 0x0214, 0),
317 PLL(CLK_APMIXED_UNIV2PLL, "univ2pll", 0x0220, 0x022C, 0,
318 HAVE_RST_BAR, 7, 0x0224, 24, 0, 0x0224, 14),
319 PLL(CLK_APMIXED_ETH1PLL, "eth1pll", 0x0300, 0x0310, 0,
320 0, 21, 0x0300, 1, 0, 0x0304, 0),
321 PLL(CLK_APMIXED_ETH2PLL, "eth2pll", 0x0314, 0x0320, 0,
322 0, 21, 0x0314, 1, 0, 0x0318, 0),
323 PLL(CLK_APMIXED_SGMIPLL, "sgmipll", 0x0358, 0x0368, 0,
324 0, 21, 0x0358, 1, 0, 0x035C, 0),
325};
326
327static const struct mtk_gate apmixed_clks[] = {
328 GATE_APMIXED(CLK_APMIXED_MAIN_CORE_EN, "main_core_en", "mainpll", 5),
329};
330
331static const struct mtk_gate infra_clks[] = {
332 GATE_INFRA(CLK_INFRA_DBGCLK_PD, "infra_dbgclk_pd", "hd_faxi", 0),
333 GATE_INFRA(CLK_INFRA_TRNG_PD, "infra_trng_pd", "hd_faxi", 2),
334 GATE_INFRA(CLK_INFRA_DEVAPC_PD, "infra_devapc_pd", "hd_faxi", 4),
335 GATE_INFRA(CLK_INFRA_APXGPT_PD, "infra_apxgpt_pd", "infrao_10m", 18),
336 GATE_INFRA(CLK_INFRA_SEJ_PD, "infra_sej_pd", "infrao_10m", 19),
337};
338
339static const struct mtk_fixed_clk top_fixed_clks[] = {
340 FIXED_CLK(CLK_TOP_TO_U2_PHY, "to_u2_phy", "clkxtal",
341 31250000),
342 FIXED_CLK(CLK_TOP_TO_U2_PHY_1P, "to_u2_phy_1p", "clkxtal",
343 31250000),
344 FIXED_CLK(CLK_TOP_PCIE0_PIPE_EN, "pcie0_pipe_en", "clkxtal",
345 125000000),
346 FIXED_CLK(CLK_TOP_PCIE1_PIPE_EN, "pcie1_pipe_en", "clkxtal",
347 125000000),
348 FIXED_CLK(CLK_TOP_SSUSB_TX250M, "ssusb_tx250m", "clkxtal",
349 250000000),
350 FIXED_CLK(CLK_TOP_SSUSB_EQ_RX250M, "ssusb_eq_rx250m", "clkxtal",
351 250000000),
352 FIXED_CLK(CLK_TOP_SSUSB_CDR_REF, "ssusb_cdr_ref", "clkxtal",
353 33333333),
354 FIXED_CLK(CLK_TOP_SSUSB_CDR_FB, "ssusb_cdr_fb", "clkxtal",
355 50000000),
356 FIXED_CLK(CLK_TOP_SATA_ASIC, "sata_asic", "clkxtal",
357 50000000),
358 FIXED_CLK(CLK_TOP_SATA_RBC, "sata_rbc", "clkxtal",
359 50000000),
360};
361
362static const struct mtk_fixed_factor top_divs[] = {
363 FACTOR(CLK_TOP_TO_USB3_SYS, "to_usb3_sys", "eth1pll", 1, 4),
364 FACTOR(CLK_TOP_P1_1MHZ, "p1_1mhz", "eth1pll", 1, 500),
365 FACTOR(CLK_TOP_4MHZ, "free_run_4mhz", "eth1pll", 1, 125),
366 FACTOR(CLK_TOP_P0_1MHZ, "p0_1mhz", "eth1pll", 1, 500),
367 FACTOR(CLK_TOP_ETH_500M, "eth_500m", "eth1pll", 1, 1),
368 FACTOR(CLK_TOP_TXCLK_SRC_PRE, "txclk_src_pre", "sgmiipll_d2", 1, 1),
369 FACTOR(CLK_TOP_RTC, "rtc", "clkxtal", 1, 1024),
370 FACTOR(CLK_TOP_PWM_QTR_26M, "pwm_qtr_26m", "clkxtal", 1, 1),
371 FACTOR(CLK_TOP_CPUM_TCK_IN, "cpum_tck_in", "cpum_tck", 1, 1),
372 FACTOR(CLK_TOP_TO_USB3_DA_TOP, "to_usb3_da_top", "clkxtal", 1, 1),
373 FACTOR(CLK_TOP_MEMPLL, "mempll", "clkxtal", 32, 1),
374 FACTOR(CLK_TOP_DMPLL, "dmpll_ck", "mempll", 1, 1),
375 FACTOR(CLK_TOP_DMPLL_D4, "dmpll_d4", "mempll", 1, 4),
376 FACTOR(CLK_TOP_DMPLL_D8, "dmpll_d8", "mempll", 1, 8),
377 FACTOR(CLK_TOP_SYSPLL_D2, "syspll_d2", "mainpll", 1, 2),
378 FACTOR(CLK_TOP_SYSPLL1_D2, "syspll1_d2", "mainpll", 1, 4),
379 FACTOR(CLK_TOP_SYSPLL1_D4, "syspll1_d4", "mainpll", 1, 8),
380 FACTOR(CLK_TOP_SYSPLL1_D8, "syspll1_d8", "mainpll", 1, 16),
381 FACTOR(CLK_TOP_SYSPLL1_D16, "syspll1_d16", "mainpll", 1, 32),
382 FACTOR(CLK_TOP_SYSPLL2_D2, "syspll2_d2", "mainpll", 1, 6),
383 FACTOR(CLK_TOP_SYSPLL2_D4, "syspll2_d4", "mainpll", 1, 12),
384 FACTOR(CLK_TOP_SYSPLL2_D8, "syspll2_d8", "mainpll", 1, 24),
385 FACTOR(CLK_TOP_SYSPLL_D5, "syspll_d5", "mainpll", 1, 5),
386 FACTOR(CLK_TOP_SYSPLL3_D2, "syspll3_d2", "mainpll", 1, 10),
387 FACTOR(CLK_TOP_SYSPLL3_D4, "syspll3_d4", "mainpll", 1, 20),
388 FACTOR(CLK_TOP_SYSPLL_D7, "syspll_d7", "mainpll", 1, 7),
389 FACTOR(CLK_TOP_SYSPLL4_D2, "syspll4_d2", "mainpll", 1, 14),
390 FACTOR(CLK_TOP_SYSPLL4_D4, "syspll4_d4", "mainpll", 1, 28),
391 FACTOR(CLK_TOP_SYSPLL4_D16, "syspll4_d16", "mainpll", 1, 112),
392 FACTOR(CLK_TOP_UNIVPLL, "univpll", "univ2pll", 1, 2),
393 FACTOR(CLK_TOP_UNIVPLL1_D2, "univpll1_d2", "univpll", 1, 4),
394 FACTOR(CLK_TOP_UNIVPLL1_D4, "univpll1_d4", "univpll", 1, 8),
395 FACTOR(CLK_TOP_UNIVPLL1_D8, "univpll1_d8", "univpll", 1, 16),
396 FACTOR(CLK_TOP_UNIVPLL_D3, "univpll_d3", "univpll", 1, 3),
397 FACTOR(CLK_TOP_UNIVPLL2_D2, "univpll2_d2", "univpll", 1, 6),
398 FACTOR(CLK_TOP_UNIVPLL2_D4, "univpll2_d4", "univpll", 1, 12),
399 FACTOR(CLK_TOP_UNIVPLL2_D8, "univpll2_d8", "univpll", 1, 24),
400 FACTOR(CLK_TOP_UNIVPLL2_D16, "univpll2_d16", "univpll", 1, 48),
401 FACTOR(CLK_TOP_UNIVPLL_D5, "univpll_d5", "univpll", 1, 5),
402 FACTOR(CLK_TOP_UNIVPLL3_D2, "univpll3_d2", "univpll", 1, 10),
403 FACTOR(CLK_TOP_UNIVPLL3_D4, "univpll3_d4", "univpll", 1, 20),
404 FACTOR(CLK_TOP_UNIVPLL3_D16, "univpll3_d16", "univpll", 1, 80),
405 FACTOR(CLK_TOP_UNIVPLL_D7, "univpll_d7", "univpll", 1, 7),
406 FACTOR(CLK_TOP_UNIVPLL_D80_D4, "univpll_d80_d4", "univpll", 1, 320),
407 FACTOR(CLK_TOP_UNIV48M, "univ48m", "univpll", 1, 25),
408 FACTOR(CLK_TOP_SGMIIPLL_D2, "sgmiipll_d2", "sgmipll", 1, 2),
409 FACTOR(CLK_TOP_CLKXTAL_D4, "clkxtal_d4", "clkxtal", 1, 4),
410 FACTOR(CLK_TOP_HD_FAXI, "hd_faxi", "axi_sel", 1, 1),
411 FACTOR(CLK_TOP_FAXI, "faxi", "axi_sel", 1, 1),
412 FACTOR(CLK_TOP_F_FAUD_INTBUS, "f_faud_intbus", "aud_intbus_sel", 1, 1),
413 FACTOR(CLK_TOP_AP2WBHIF_HCLK, "ap2wbhif_hclk", "syspll1_d8", 1, 1),
414 FACTOR(CLK_TOP_10M_INFRAO, "infrao_10m", "gpt10m_sel", 1, 1),
415 FACTOR(CLK_TOP_MSDC30_1, "msdc30_1", "msdc30_1_sel", 1, 1),
416 FACTOR(CLK_TOP_SPI, "spi", "spi0_sel", 1, 1),
417 FACTOR(CLK_TOP_SF, "sf", "nfi_infra_sel", 1, 1),
418 FACTOR(CLK_TOP_FLASH, "flash", "flash_sel", 1, 1),
419 FACTOR(CLK_TOP_TO_USB3_REF, "to_usb3_ref", "sata_sel", 1, 4),
420 FACTOR(CLK_TOP_TO_USB3_MCU, "to_usb3_mcu", "axi_sel", 1, 1),
421 FACTOR(CLK_TOP_TO_USB3_DMA, "to_usb3_dma", "hif_sel", 1, 1),
422 FACTOR(CLK_TOP_FROM_TOP_AHB, "from_top_ahb", "axi_sel", 1, 1),
423 FACTOR(CLK_TOP_FROM_TOP_AXI, "from_top_axi", "hif_sel", 1, 1),
424 FACTOR(CLK_TOP_PCIE1_MAC_EN, "pcie1_mac_en", "sata_sel", 1, 1),
425 FACTOR(CLK_TOP_PCIE0_MAC_EN, "pcie0_mac_en", "sata_sel", 1, 1),
426};
427
428static const struct mtk_gate peri_clks[] = {
429 /* PERI0 */
430 GATE_PERI0(CLK_PERI_PWM1_PD, "peri_pwm1_pd", "pwm_qtr_26m", 2),
431 GATE_PERI0(CLK_PERI_PWM2_PD, "peri_pwm2_pd", "pwm_qtr_26m", 3),
432 GATE_PERI0(CLK_PERI_PWM3_PD, "peri_pwm3_pd", "pwm_qtr_26m", 4),
433 GATE_PERI0(CLK_PERI_PWM4_PD, "peri_pwm4_pd", "pwm_qtr_26m", 5),
434 GATE_PERI0(CLK_PERI_PWM5_PD, "peri_pwm5_pd", "pwm_qtr_26m", 6),
435 GATE_PERI0(CLK_PERI_PWM6_PD, "peri_pwm6_pd", "pwm_qtr_26m", 7),
436 GATE_PERI0(CLK_PERI_PWM7_PD, "peri_pwm7_pd", "pwm_qtr_26m", 8),
437 GATE_PERI0(CLK_PERI_PWM_PD, "peri_pwm_pd", "pwm_qtr_26m", 9),
438 GATE_PERI0(CLK_PERI_AP_DMA_PD, "peri_ap_dma_pd", "faxi", 12),
439 GATE_PERI0(CLK_PERI_MSDC30_1_PD, "peri_msdc30_1", "msdc30_1", 14),
440 GATE_PERI0(CLK_PERI_UART0_PD, "peri_uart0_pd", "faxi", 17),
441 GATE_PERI0(CLK_PERI_UART1_PD, "peri_uart1_pd", "faxi", 18),
442 GATE_PERI0(CLK_PERI_UART2_PD, "peri_uart2_pd", "faxi", 19),
443 GATE_PERI0(CLK_PERI_UART3_PD, "peri_uart3_pd", "faxi", 20),
444 GATE_PERI0(CLK_PERI_BTIF_PD, "peri_btif_pd", "faxi", 22),
445 GATE_PERI0(CLK_PERI_I2C0_PD, "peri_i2c0_pd", "faxi", 23),
446 GATE_PERI0(CLK_PERI_SPI0_PD, "peri_spi0_pd", "spi", 28),
447 GATE_PERI0(CLK_PERI_SNFI_PD, "peri_snfi_pd", "sf", 29),
448 GATE_PERI0(CLK_PERI_NFI_PD, "peri_nfi_pd", "faxi", 30),
449 GATE_PERI0(CLK_PERI_NFIECC_PD, "peri_nfiecc_pd", "faxi", 31),
450 /* PERI1 */
451 GATE_PERI1(CLK_PERI_FLASH_PD, "peri_flash_pd", "flash", 1),
452};
453
454static struct mtk_composite infra_muxes[] = {
455 /* INFRA_TOPCKGEN_CKMUXSEL */
456 MUX(CLK_INFRA_MUX1_SEL, "infra_mux1_sel", infra_mux1_parents, 0x000,
457 2, 2),
458};
459
460static struct mtk_composite top_muxes[] = {
461 /* CLK_CFG_0 */
462 MUX_GATE(CLK_TOP_AXI_SEL, "axi_sel", axi_parents,
463 0x040, 0, 3, 7),
464 MUX_GATE(CLK_TOP_MEM_SEL, "mem_sel", mem_parents,
465 0x040, 8, 1, 15),
466 MUX_GATE(CLK_TOP_DDRPHYCFG_SEL, "ddrphycfg_sel", ddrphycfg_parents,
467 0x040, 16, 1, 23),
468 MUX_GATE(CLK_TOP_ETH_SEL, "eth_sel", eth_parents,
469 0x040, 24, 3, 31),
470 /* CLK_CFG_1 */
471 MUX_GATE(CLK_TOP_PWM_SEL, "pwm_sel", pwm_parents,
472 0x050, 0, 2, 7),
473 MUX_GATE(CLK_TOP_F10M_REF_SEL, "f10m_ref_sel", f10m_ref_parents,
474 0x050, 8, 1, 15),
475 MUX_GATE(CLK_TOP_NFI_INFRA_SEL, "nfi_infra_sel", nfi_infra_parents,
476 0x050, 16, 4, 23),
477 MUX_GATE(CLK_TOP_FLASH_SEL, "flash_sel", flash_parents,
478 0x050, 24, 3, 31),
479 /* CLK_CFG_2 */
480 MUX_GATE(CLK_TOP_UART_SEL, "uart_sel", uart_parents,
481 0x060, 0, 1, 7),
482 MUX_GATE(CLK_TOP_SPI0_SEL, "spi0_sel", spi0_parents,
483 0x060, 8, 3, 15),
484 MUX_GATE(CLK_TOP_SPI1_SEL, "spi1_sel", spi1_parents,
485 0x060, 16, 3, 23),
486 MUX_GATE(CLK_TOP_MSDC50_0_SEL, "msdc50_0_sel", uart_parents,
487 0x060, 24, 3, 31),
488 /* CLK_CFG_3 */
489 MUX_GATE(CLK_TOP_MSDC30_0_SEL, "msdc30_0_sel", msdc30_0_parents,
490 0x070, 0, 3, 7),
491 MUX_GATE(CLK_TOP_MSDC30_1_SEL, "msdc30_1_sel", msdc30_1_parents,
492 0x070, 8, 3, 15),
493 MUX_GATE(CLK_TOP_AP2WBMCU_SEL, "ap2wbmcu_sel", ap2wbmcu_parents,
494 0x070, 16, 3, 23),
495 MUX_GATE(CLK_TOP_AP2WBHIF_SEL, "ap2wbhif_sel", ap2wbmcu_parents,
496 0x070, 24, 3, 31),
497 /* CLK_CFG_4 */
498 MUX_GATE(CLK_TOP_AUDIO_SEL, "audio_sel", audio_parents,
499 0x080, 0, 2, 7),
500 MUX_GATE(CLK_TOP_AUD_INTBUS_SEL, "aud_intbus_sel", aud_intbus_parents,
501 0x080, 8, 2, 15),
502 MUX_GATE(CLK_TOP_PMICSPI_SEL, "pmicspi_sel", pmicspi_parents,
503 0x080, 16, 3, 23),
504 MUX_GATE(CLK_TOP_SCP_SEL, "scp_sel", scp_parents,
505 0x080, 24, 2, 31),
506 /* CLK_CFG_5 */
507 MUX_GATE(CLK_TOP_ATB_SEL, "atb_sel", atb_parents,
508 0x090, 0, 2, 7),
509 MUX_GATE(CLK_TOP_HIF_SEL, "hif_sel", hif_parents,
510 0x090, 8, 3, 15),
511 MUX_GATE(CLK_TOP_SATA_SEL, "sata_sel", sata_parents,
512 0x090, 16, 1, 23),
513 MUX_GATE(CLK_TOP_U2_SEL, "usb20_sel", usb20_parents,
514 0x090, 24, 2, 31),
515 /* CLK_CFG_6 */
516 MUX_GATE(CLK_TOP_AUD1_SEL, "aud1_sel", aud1_parents,
517 0x0A0, 0, 1, 7),
518 MUX_GATE(CLK_TOP_AUD2_SEL, "aud2_sel", aud1_parents,
519 0x0A0, 8, 1, 15),
520 MUX_GATE(CLK_TOP_IRRX_SEL, "irrx_sel", irrx_parents,
521 0x0A0, 16, 1, 23),
522 MUX_GATE(CLK_TOP_IRTX_SEL, "irtx_sel", irrx_parents,
523 0x0A0, 24, 1, 31),
524 /* CLK_CFG_7 */
525 MUX_GATE(CLK_TOP_SATA_MCU_SEL, "sata_mcu_sel", scp_parents,
526 0x0B0, 0, 2, 7),
527 MUX_GATE(CLK_TOP_PCIE0_MCU_SEL, "pcie0_mcu_sel", scp_parents,
528 0x0B0, 8, 2, 15),
529 MUX_GATE(CLK_TOP_PCIE1_MCU_SEL, "pcie1_mcu_sel", scp_parents,
530 0x0B0, 16, 2, 23),
531 MUX_GATE(CLK_TOP_SSUSB_MCU_SEL, "ssusb_mcu_sel", scp_parents,
532 0x0B0, 24, 2, 31),
533 /* CLK_CFG_8 */
534 MUX_GATE(CLK_TOP_CRYPTO_SEL, "crypto_sel", crypto_parents,
535 0x0C0, 0, 3, 7),
536 MUX_GATE(CLK_TOP_SGMII_REF_1_SEL, "sgmii_ref_1_sel", f10m_ref_parents,
537 0x0C0, 8, 1, 15),
538 MUX_GATE(CLK_TOP_10M_SEL, "gpt10m_sel", gpt10m_parents,
539 0x0C0, 16, 1, 23),
540};
541
542static struct mtk_composite peri_muxes[] = {
543 /* PERI_GLOBALCON_CKSEL */
544 MUX(CLK_PERIBUS_SEL, "peribus_ck_sel", peribus_ck_parents, 0x05C, 0, 1),
545};
546
547static int mtk_topckgen_init(struct platform_device *pdev)
548{
549 struct clk_hw_onecell_data *clk_data;
550 void __iomem *base;
551 struct device_node *node = pdev->dev.of_node;
552
553 base = devm_platform_ioremap_resource(pdev, index: 0);
554 if (IS_ERR(ptr: base))
555 return PTR_ERR(ptr: base);
556
557 clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
558 if (!clk_data)
559 return -ENOMEM;
560
561 mtk_clk_register_fixed_clks(clks: top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
562 clk_data);
563
564 mtk_clk_register_factors(clks: top_divs, ARRAY_SIZE(top_divs),
565 clk_data);
566
567 mtk_clk_register_composites(dev: &pdev->dev, mcs: top_muxes,
568 ARRAY_SIZE(top_muxes), base,
569 lock: &mt7629_clk_lock, clk_data);
570
571 clk_prepare_enable(clk: clk_data->hws[CLK_TOP_AXI_SEL]->clk);
572 clk_prepare_enable(clk: clk_data->hws[CLK_TOP_MEM_SEL]->clk);
573 clk_prepare_enable(clk: clk_data->hws[CLK_TOP_DDRPHYCFG_SEL]->clk);
574
575 return of_clk_add_hw_provider(np: node, get: of_clk_hw_onecell_get, data: clk_data);
576}
577
578static int mtk_infrasys_init(struct platform_device *pdev)
579{
580 struct device_node *node = pdev->dev.of_node;
581 struct clk_hw_onecell_data *clk_data;
582
583 clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK);
584 if (!clk_data)
585 return -ENOMEM;
586
587 mtk_clk_register_gates(dev: &pdev->dev, node, clks: infra_clks,
588 ARRAY_SIZE(infra_clks), clk_data);
589
590 mtk_clk_register_cpumuxes(dev: &pdev->dev, node, clks: infra_muxes,
591 ARRAY_SIZE(infra_muxes), clk_data);
592
593 return of_clk_add_hw_provider(np: node, get: of_clk_hw_onecell_get,
594 data: clk_data);
595}
596
597static int mtk_pericfg_init(struct platform_device *pdev)
598{
599 struct clk_hw_onecell_data *clk_data;
600 void __iomem *base;
601 int r;
602 struct device_node *node = pdev->dev.of_node;
603
604 base = devm_platform_ioremap_resource(pdev, index: 0);
605 if (IS_ERR(ptr: base))
606 return PTR_ERR(ptr: base);
607
608 clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK);
609 if (!clk_data)
610 return -ENOMEM;
611
612 mtk_clk_register_gates(dev: &pdev->dev, node, clks: peri_clks,
613 ARRAY_SIZE(peri_clks), clk_data);
614
615 mtk_clk_register_composites(dev: &pdev->dev, mcs: peri_muxes,
616 ARRAY_SIZE(peri_muxes), base,
617 lock: &mt7629_clk_lock, clk_data);
618
619 r = of_clk_add_hw_provider(np: node, get: of_clk_hw_onecell_get, data: clk_data);
620 if (r)
621 return r;
622
623 clk_prepare_enable(clk: clk_data->hws[CLK_PERI_UART0_PD]->clk);
624
625 return 0;
626}
627
628static int mtk_apmixedsys_init(struct platform_device *pdev)
629{
630 struct clk_hw_onecell_data *clk_data;
631 struct device_node *node = pdev->dev.of_node;
632
633 clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
634 if (!clk_data)
635 return -ENOMEM;
636
637 mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls),
638 clk_data);
639
640 mtk_clk_register_gates(dev: &pdev->dev, node, clks: apmixed_clks,
641 ARRAY_SIZE(apmixed_clks), clk_data);
642
643 clk_prepare_enable(clk: clk_data->hws[CLK_APMIXED_ARMPLL]->clk);
644 clk_prepare_enable(clk: clk_data->hws[CLK_APMIXED_MAIN_CORE_EN]->clk);
645
646 return of_clk_add_hw_provider(np: node, get: of_clk_hw_onecell_get, data: clk_data);
647}
648
649
650static const struct of_device_id of_match_clk_mt7629[] = {
651 {
652 .compatible = "mediatek,mt7629-apmixedsys",
653 .data = mtk_apmixedsys_init,
654 }, {
655 .compatible = "mediatek,mt7629-infracfg",
656 .data = mtk_infrasys_init,
657 }, {
658 .compatible = "mediatek,mt7629-topckgen",
659 .data = mtk_topckgen_init,
660 }, {
661 .compatible = "mediatek,mt7629-pericfg",
662 .data = mtk_pericfg_init,
663 }, {
664 /* sentinel */
665 }
666};
667MODULE_DEVICE_TABLE(of, of_match_clk_mt7629);
668
669static int clk_mt7629_probe(struct platform_device *pdev)
670{
671 int (*clk_init)(struct platform_device *);
672 int r;
673
674 clk_init = of_device_get_match_data(dev: &pdev->dev);
675 if (!clk_init)
676 return -EINVAL;
677
678 r = clk_init(pdev);
679 if (r)
680 dev_err(&pdev->dev,
681 "could not register clock provider: %s: %d\n",
682 pdev->name, r);
683
684 return r;
685}
686
687static struct platform_driver clk_mt7629_drv = {
688 .probe = clk_mt7629_probe,
689 .driver = {
690 .name = "clk-mt7629",
691 .of_match_table = of_match_clk_mt7629,
692 },
693};
694
695static int clk_mt7629_init(void)
696{
697 return platform_driver_register(&clk_mt7629_drv);
698}
699
700arch_initcall(clk_mt7629_init);
701MODULE_LICENSE("GPL");
702

source code of linux/drivers/clk/mediatek/clk-mt7629.c