1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2021, Adrian Chadd <adrian@FreeBSD.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice unmodified, this list of conditions, and the following
11 * disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28 /* Driver for Qualcomm IPQ4018 clock and reset device */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
37 #include <sys/sglist.h>
38 #include <sys/random.h>
39 #include <sys/stdatomic.h>
40 #include <sys/mutex.h>
41
42 #include <machine/bus.h>
43 #include <machine/resource.h>
44 #include <sys/bus.h>
45
46 #include <dev/fdt/fdt_common.h>
47 #include <dev/ofw/ofw_bus.h>
48 #include <dev/ofw/ofw_bus_subr.h>
49
50 #include <dev/extres/clk/clk_div.h>
51 #include <dev/extres/clk/clk_fixed.h>
52 #include <dev/extres/clk/clk_mux.h>
53 #include <dev/extres/clk/clk_link.h>
54
55 #include <dt-bindings/clock/qcom,gcc-ipq4019.h>
56
57 #include <dev/qcom_clk/qcom_clk_freqtbl.h>
58 #include <dev/qcom_clk/qcom_clk_fepll.h>
59 #include <dev/qcom_clk/qcom_clk_fdiv.h>
60 #include <dev/qcom_clk/qcom_clk_apssdiv.h>
61 #include <dev/qcom_clk/qcom_clk_rcg2.h>
62 #include <dev/qcom_clk/qcom_clk_branch2.h>
63 #include <dev/qcom_clk/qcom_clk_ro_div.h>
64
65 #include "qcom_gcc_ipq4018_var.h"
66
67
68 /* Fixed rate clock. */
69 #define F_RATE(_id, cname, _freq) \
70 { \
71 .clkdef.id = _id, \
72 .clkdef.name = cname, \
73 .clkdef.parent_names = NULL, \
74 .clkdef.parent_cnt = 0, \
75 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
76 .freq = _freq, \
77 }
78
79 /* Linked clock. */
80 #define F_LINK(_id, _cname) \
81 { \
82 .clkdef.id = _id, \
83 .clkdef.name = _cname, \
84 .clkdef.parent_names = NULL, \
85 .clkdef.parent_cnt = 0, \
86 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
87 }
88
89
90 /* FEPLL clock */
91 #define F_FEPLL(_id, _cname, _parent, _reg, _fs, _fw, _rs, _rw) \
92 { \
93 .clkdef.id = _id, \
94 .clkdef.name = _cname, \
95 .clkdef.parent_names = (const char *[]){_parent}, \
96 .clkdef.parent_cnt = 1, \
97 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
98 .offset = _reg, \
99 .fdbkdiv_shift = _fs, \
100 .fdbkdiv_width = _fw, \
101 .refclkdiv_shift = _rs, \
102 .refclkdiv_width = _rw, \
103 }
104
105 /* Fixed divisor clock */
106 #define F_FDIV(_id, _cname, _parent, _divisor) \
107 { \
108 .clkdef.id = _id, \
109 .clkdef.name = _cname, \
110 .clkdef.parent_names = (const char *[]){_parent}, \
111 .clkdef.parent_cnt = 1, \
112 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
113 .divisor = _divisor, \
114 }
115
116 /* APSS DIV clock */
117 #define F_APSSDIV(_id, _cname, _parent, _doffset, _dshift, _dwidth, \
118 _eoffset, _eshift, _freqtbl) \
119 { \
120 .clkdef.id = _id, \
121 .clkdef.name = _cname, \
122 .clkdef.parent_names = (const char *[]){_parent}, \
123 .clkdef.parent_cnt = 1, \
124 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
125 .div_offset = _doffset, \
126 .div_width = _dwidth, \
127 .div_shift = _dshift, \
128 .enable_offset = _eoffset, \
129 .enable_shift = _eshift, \
130 .freq_tbl = _freqtbl, \
131 }
132
133 /* read-only div table */
134 #define F_RO_DIV(_id, _cname, _parent, _offset, _shift, _width, _tbl) \
135 { \
136 .clkdef.id = _id, \
137 .clkdef.name = _cname, \
138 .clkdef.parent_names = (const char *[]){_parent}, \
139 .clkdef.parent_cnt = 1, \
140 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
141 .offset = _offset, \
142 .width = _width, \
143 .shift = _shift, \
144 .div_tbl = _tbl, \
145 }
146
147 /* RCG2 clock */
148 #define F_RCG2(_id, _cname, _parents, _rcgr, _hid_width, _mnd_width, \
149 _safe_src_idx, _safe_pre_parent_idx, _cfg_offset, _flags, \
150 _freq_tbl) \
151 { \
152 .clkdef.id = _id, \
153 .clkdef.name = _cname, \
154 .clkdef.parent_names = _parents, \
155 .clkdef.parent_cnt = nitems(_parents), \
156 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
157 .cmd_rcgr = _rcgr, \
158 .hid_width = _hid_width, \
159 .mnd_width = _mnd_width, \
160 .safe_src_idx = _safe_src_idx, \
161 .flags= _flags, \
162 .safe_pre_parent_idx = _safe_pre_parent_idx, \
163 .freq_tbl = _freq_tbl, \
164 }
165
166 /* branch2 gate nodes */
167 #define F_BRANCH2(_id, _cname, _parent, _eo, _es, _hr, _hs, _haltreg, \
168 _type, _voted, _flags) \
169 { \
170 .clkdef.id = _id, \
171 .clkdef.name = _cname, \
172 .clkdef.parent_names = (const char *[]){_parent}, \
173 .clkdef.parent_cnt = 1, \
174 .clkdef.flags = CLK_NODE_STATIC_STRINGS, \
175 .enable_offset = _eo, \
176 .enable_shift = _es, \
177 .hwcg_reg = _hr, \
178 .hwcg_bit = _hs, \
179 .halt_reg = _haltreg, \
180 .halt_check_type = _type, \
181 .halt_check_voted = _voted, \
182 .flags = _flags, \
183 }
184
185 /*
186 * Fixed "gcc_fepll_vco" PLL derived sources:
187 *
188 * P_FEPLL125 - 125MHz
189 * P_FEPLL125DLY - 125MHz
190 * P_FEPLL200 - 200MHz
191 * "fepll500" - 500MHz
192 *
193 * Fixed "gcc_apps_ddrpll_vco" PLL derived sources:
194 *
195 * P_DDRPLL - 192MHz
196 */
197 static struct qcom_clk_fdiv_def fdiv_tbl[] = {
198 F_FDIV(GCC_FEPLL125_CLK, "fepll125", "gcc_fepll_vco", 32),
199 F_FDIV(GCC_FEPLL125DLY_CLK, "fepll125dly", "gcc_fepll_vco", 32),
200 F_FDIV(GCC_FEPLL200_CLK, "fepll200", "gcc_fepll_vco", 20),
201 F_FDIV(GCC_FEPLL500_CLK, "fepll500", "gcc_fepll_vco", 8),
202 F_FDIV(GCC_SDCC_PLLDIV_CLK, "ddrpllsdcc", "gcc_apps_ddrpll_vco", 28),
203 };
204
205 /*
206 * FEPLL - 48MHz (xo) input, 4GHz output
207 * DDRPLL - 48MHz (xo) input, 5.376GHz output
208 */
209 static struct qcom_clk_fepll_def fepll_tbl[] = {
210 F_FEPLL(GCC_FEPLL_VCO, "gcc_fepll_vco", "xo", 0x2f020, 16, 8, 24, 5),
211 F_FEPLL(GCC_APSS_DDRPLL_VCO, "gcc_apps_ddrpll_vco", "xo", 0x2e020,
212 16, 8, 24, 5),
213 };
214
215 /*
216 * Frequency table for the APSS PLL/DIV path for the CPU frequency.
217 *
218 * Note - the APSS DIV code only needs the frequency and pre-divisor,
219 * not the other fields.
220 */
221 static struct qcom_clk_freq_tbl apss_freq_tbl[] = {
222 { 384000000, "gcc_apps_ddrpll_vco", 0xd, 0, 0 },
223 { 413000000, "gcc_apps_ddrpll_vco", 0xc, 0, 0 },
224 { 448000000, "gcc_apps_ddrpll_vco", 0xb, 0, 0 },
225 { 488000000, "gcc_apps_ddrpll_vco", 0xa, 0, 0 },
226 { 512000000, "gcc_apps_ddrpll_vco", 0x9, 0, 0 },
227 { 537000000, "gcc_apps_ddrpll_vco", 0x8, 0, 0 },
228 { 565000000, "gcc_apps_ddrpll_vco", 0x7, 0, 0 },
229 { 597000000, "gcc_apps_ddrpll_vco", 0x6, 0, 0 },
230 { 632000000, "gcc_apps_ddrpll_vco", 0x5, 0, 0 },
231 { 672000000, "gcc_apps_ddrpll_vco", 0x4, 0, 0 },
232 { 716000000, "gcc_apps_ddrpll_vco", 0x3, 0, 0 },
233 { 768000000, "gcc_apps_ddrpll_vco", 0x2, 0, 0 },
234 { 823000000, "gcc_apps_ddrpll_vco", 0x1, 0, 0 },
235 { 896000000, "gcc_apps_ddrpll_vco", 0x0, 0, 0 },
236 { 0, }
237 };
238
239 /*
240 * APSS div/gate
241 */
242 static struct qcom_clk_apssdiv_def apssdiv_tbl[] = {
243 F_APSSDIV(GCC_APSS_CPU_PLLDIV_CLK, "ddrpllapss",
244 "gcc_apps_ddrpll_vco", 0x2e020,
245 4, 4, 0x2e000, 0, &apss_freq_tbl[0]),
246 };
247
248 /*
249 * Parent clocks for the apps_clk_src clock.
250 */
251 static const char * apps_clk_src_parents[] = {
252 "xo", "ddrpllapss", "fepll500", "fepll200"
253 };
254
255 /*
256 * Parents lists for a variety of blocks.
257 */
258 static const char * gcc_xo_200_parents[] = {
259 "xo", "fepll200"
260 };
261 static const char * gcc_xo_200_500_parents[] = {
262 "xo", "fepll200", "fepll500"
263 };
264 static const char * gcc_xo_200_spi_parents[] = {
265 "xo", NULL, "fepll200"
266 };
267 static const char * gcc_xo_sdcc1_500_parents[] = {
268 "xo", "ddrpllsdcc", "fepll500"
269 };
270
271 static const char * gcc_xo_125_dly_parents[] = {
272 "xo", "fepll125dly"
273 };
274
275 static const char * gcc_xo_wcss2g_parents[] = {
276 "xo", "fepllwcss2g"
277 };
278
279 static const char * gcc_xo_wcss5g_parents[] = {
280 "xo", "fepllwcss5g"
281 };
282
283 static struct qcom_clk_freq_tbl apps_clk_src_freq_tbl[] = {
284 { 48000000, "xo", 1, 0, 0 },
285 { 200000000, "fepll200", 1, 0, 0 },
286 { 384000000, "ddrpllapss", 1, 0, 0 },
287 { 413000000, "ddrpllapss", 1, 0, 0 },
288 { 448000000, "ddrpllapss", 1, 0, 0 },
289 { 488000000, "ddrpllapss", 1, 0, 0 },
290 { 500000000, "fepll500", 1, 0, 0 },
291 { 512000000, "ddrpllapss", 1, 0, 0 },
292 { 537000000, "ddrpllapss", 1, 0, 0 },
293 { 565000000, "ddrpllapss", 1, 0, 0 },
294 { 597000000, "ddrpllapss", 1, 0, 0 },
295 { 632000000, "ddrpllapss", 1, 0, 0 },
296 { 672000000, "ddrpllapss", 1, 0, 0 },
297 { 716000000, "ddrpllapss", 1, 0, 0 },
298 { 0,}
299
300 };
301
302 static struct qcom_clk_freq_tbl audio_clk_src_freq_tbl[] = {
303 { 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
304 { 200000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
305 { 0,}
306 };
307
308 static struct qcom_clk_freq_tbl blsp1_qup1_i2c_apps_clk_src_freq_tbl[] = {
309 { 19050000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(10.5), 1, 1 },
310 { 0,}
311 };
312
313 static struct qcom_clk_freq_tbl blsp1_qup1_spi_apps_clk_src_freq_tbl[] = {
314 { 960000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(12), 1, 4 },
315 { 4800000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 10 },
316 { 9600000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 5 },
317 { 15000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 3 },
318 { 19200000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 2, 5 },
319 { 24000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 2 },
320 { 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
321 { 0,}
322 };
323
324 static struct qcom_clk_freq_tbl gcc_pcnoc_ahb_clk_src_freq_tbl[] = {
325 { 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
326 { 100000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(2), 0, 0 },
327 { 0, }
328 };
329
330 static struct qcom_clk_freq_tbl blsp1_uart1_apps_clk_src_freq_tbl[] = {
331 { 1843200, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 144, 15625 },
332 { 3686400, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 288, 15625 },
333 { 7372800, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 576, 15625 },
334 { 14745600, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1152, 15625 },
335 { 16000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 2, 25 },
336 { 24000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 2 },
337 { 32000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 4, 25 },
338 { 40000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 5 },
339 { 46400000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 29, 125 },
340 { 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
341 { 0, }
342 };
343
344 static struct qcom_clk_freq_tbl gp1_clk_src_freq_tbl[] = {
345 { 1250000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 16, 0 },
346 { 2500000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 8, 0 },
347 { 5000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 4, 0 },
348 { 0, }
349 };
350
351 static struct qcom_clk_freq_tbl sdcc1_apps_clk_src_freq_tbl[] = {
352 { 144000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 3, 240 },
353 { 400000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 0 },
354 { 20000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 25 },
355 { 25000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 20 },
356 { 50000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 10 },
357 { 100000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 5 },
358 { 192000000, "ddrpllsdcc", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
359 { 0, }
360 };
361
362 static struct qcom_clk_freq_tbl apps_ahb_clk_src_freq_tbl[] = {
363 { 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
364 { 100000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(2), 0, 0 },
365 { 0, }
366 };
367
368 static struct qcom_clk_freq_tbl usb30_mock_utmi_clk_src_freq_tbl[] = {
369 { 2000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(10), 0, 0 },
370 { 0, }
371 };
372
373 static struct qcom_clk_freq_tbl fephy_125m_dly_clk_src_freq_tbl[] = {
374 { 125000000, "fepll125dly", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
375 { 0, }
376 };
377
378 static struct qcom_clk_freq_tbl wcss2g_clk_src_freq_tbl[] = {
379 { 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
380 { 250000000, "fepllwcss2g", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
381 { 0, }
382 };
383
384 static struct qcom_clk_freq_tbl wcss5g_clk_src_freq_tbl[] = {
385 { 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
386 { 250000000, "fepllwcss5g", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
387 { 0, }
388 };
389
390 /*
391 * Divisor table for the 2g/5g wifi clock divisors.
392 */
393 static struct qcom_clk_ro_div_tbl fepllwcss_clk_div_tbl[] = {
394 { 0, 15 },
395 { 1, 16 },
396 { 2, 18 },
397 { 3, 20 },
398 { 0, 0 }
399 };
400
401 /*
402 * Read-only divisor table clocks.
403 */
404 static struct qcom_clk_ro_div_def ro_div_tbl[] = {
405 F_RO_DIV(GCC_FEPLL_WCSS2G_CLK, "fepllwcss2g", "gcc_fepll_vco",
406 0x2f020, 8, 2, &fepllwcss_clk_div_tbl[0]),
407 F_RO_DIV(GCC_FEPLL_WCSS5G_CLK, "fepllwcss5g", "gcc_fepll_vco",
408 0x2f020, 12, 2, &fepllwcss_clk_div_tbl[0]),
409 };
410
411 /*
412 * RCG2 clocks
413 */
414 static struct qcom_clk_rcg2_def rcg2_tbl[] = {
415 F_RCG2(AUDIO_CLK_SRC, "audio_clk_src", gcc_xo_200_parents,
416 0x1b000, 5, 0, -1, -1, 0, 0, &audio_clk_src_freq_tbl[0]),
417 F_RCG2(BLSP1_QUP1_I2C_APPS_CLK_SRC, "blsp1_qup1_i2c_apps_clk_src",
418 gcc_xo_200_parents, 0x200c, 5, 0, -1, -1, 0, 0,
419 &blsp1_qup1_i2c_apps_clk_src_freq_tbl[0]),
420 F_RCG2(BLSP1_QUP2_I2C_APPS_CLK_SRC, "blsp1_qup2_i2c_apps_clk_src",
421 gcc_xo_200_parents, 0x3000, 5, 0, -1, -1, 0, 0,
422 &blsp1_qup1_i2c_apps_clk_src_freq_tbl[0]),
423 F_RCG2(BLSP1_QUP1_SPI_APPS_CLK_SRC, "blsp1_qup1_spi_apps_clk_src",
424 gcc_xo_200_spi_parents, 0x2024, 5, 8, -1, -1, 0, 0,
425 &blsp1_qup1_spi_apps_clk_src_freq_tbl[0]),
426 F_RCG2(BLSP1_QUP2_SPI_APPS_CLK_SRC, "blsp1_qup2_spi_apps_clk_src",
427 gcc_xo_200_spi_parents, 0x3014, 5, 8, -1, -1, 0, 0,
428 &blsp1_qup1_spi_apps_clk_src_freq_tbl[0]),
429 F_RCG2(BLSP1_UART1_APPS_CLK_SRC, "blsp1_uart1_apps_clk_src",
430 gcc_xo_200_spi_parents, 0x2044, 5, 16, -1, -1, 0, 0,
431 &blsp1_uart1_apps_clk_src_freq_tbl[0]),
432 F_RCG2(BLSP1_UART2_APPS_CLK_SRC, "blsp1_uart2_apps_clk_src",
433 gcc_xo_200_spi_parents, 0x3034, 5, 16, -1, -1, 0, 0,
434 &blsp1_uart1_apps_clk_src_freq_tbl[0]),
435 F_RCG2(GP1_CLK_SRC, "gp1_clk_src", gcc_xo_200_parents, 0x8004,
436 5, 8, -1, -1, 0, 0,
437 &gp1_clk_src_freq_tbl[0]),
438 F_RCG2(GP2_CLK_SRC, "gp2_clk_src", gcc_xo_200_parents, 0x9004,
439 5, 8, -1, -1, 0, 0,
440 &gp1_clk_src_freq_tbl[0]),
441 F_RCG2(GP3_CLK_SRC, "gp3_clk_src", gcc_xo_200_parents, 0xa004,
442 5, 8, -1, -1, 0, 0,
443 &gp1_clk_src_freq_tbl[0]),
444 F_RCG2(SDCC1_APPS_CLK_SRC, "sdcc1_apps_clk_src",
445 gcc_xo_sdcc1_500_parents, 0x18004, 5, 0, -1, -1, 0, 0,
446 &sdcc1_apps_clk_src_freq_tbl[0]),
447 F_RCG2(GCC_APPS_CLK_SRC, "apps_clk_src", apps_clk_src_parents,
448 0x1900c, 5, 0, -1, 2, 0,
449 QCOM_CLK_RCG2_FLAGS_SET_RATE_PARENT,
450 &apps_clk_src_freq_tbl[0]),
451 F_RCG2(GCC_APPS_AHB_CLK_SRC, "apps_ahb_clk_src",
452 gcc_xo_200_500_parents, 0x19014, 5, 0, -1, -1, 0,
453 0, &apps_ahb_clk_src_freq_tbl[0]),
454 F_RCG2(GCC_USB3_MOCK_UTMI_CLK_SRC, "usb30_mock_utmi_clk_src",
455 gcc_xo_200_parents, 0x1e000, 5, 0, -1, -1, 0, 0,
456 &usb30_mock_utmi_clk_src_freq_tbl[0]),
457 F_RCG2(FEPHY_125M_DLY_CLK_SRC, "fephy_125m_dly_clk_src",
458 gcc_xo_125_dly_parents, 0x12000, 5, 0, -1, -1, 0, 0,
459 &fephy_125m_dly_clk_src_freq_tbl[0]),
460 F_RCG2(WCSS2G_CLK_SRC, "wcss2g_clk_src", gcc_xo_wcss2g_parents,
461 0x1f000, 5, 0, -1, -1, 0, 0,
462 &wcss2g_clk_src_freq_tbl[0]),
463 F_RCG2(WCSS5G_CLK_SRC, "wcss5g_clk_src", gcc_xo_wcss5g_parents,
464 0x20000, 5, 0, -1, -1, 0, 0,
465 &wcss5g_clk_src_freq_tbl[0]),
466 F_RCG2(GCC_PCNOC_AHB_CLK_SRC, "gcc_pcnoc_ahb_clk_src",
467 gcc_xo_200_500_parents, 0x21024, 5, 0, -1, -1, 0, 0,
468 &gcc_pcnoc_ahb_clk_src_freq_tbl[0]),
469 };
470
471 /*
472 * branch2 clocks
473 */
474 static struct qcom_clk_branch2_def branch2_tbl[] = {
475 F_BRANCH2(GCC_AUDIO_AHB_CLK, "gcc_audio_ahb_clk", "pcnoc_clk_src",
476 0x1b010, 0, 0, 0, 0x1b010, QCOM_CLK_BRANCH2_BRANCH_HALT,
477 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
478 F_BRANCH2(GCC_AUDIO_PWM_CLK, "gcc_audio_pwm_clk", "audio_clk_src",
479 0x1b00c, 0, 0, 0, 0x1b00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
480 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
481 F_BRANCH2(GCC_BLSP1_QUP1_I2C_APPS_CLK, "gcc_blsp1_qup1_i2c_apps_clk",
482 "blsp1_qup1_i2c_apps_clk_src",
483 0x2008, 0, 0, 0, 0x2008, QCOM_CLK_BRANCH2_BRANCH_HALT,
484 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
485 F_BRANCH2(GCC_BLSP1_QUP2_I2C_APPS_CLK, "gcc_blsp1_qup2_i2c_apps_clk",
486 "blsp1_qup2_i2c_apps_clk_src",
487 0x3010, 0, 0, 0, 0x3010, QCOM_CLK_BRANCH2_BRANCH_HALT,
488 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
489 F_BRANCH2(GCC_BLSP1_QUP1_SPI_APPS_CLK, "gcc_blsp1_qup1_spi_apps_clk",
490 "blsp1_qup1_spi_apps_clk_src",
491 0x2004, 0, 0, 0, 0x2004, QCOM_CLK_BRANCH2_BRANCH_HALT,
492 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
493 F_BRANCH2(GCC_BLSP1_QUP2_SPI_APPS_CLK, "gcc_blsp1_qup2_spi_apps_clk",
494 "blsp1_qup2_spi_apps_clk_src",
495 0x300c, 0, 0, 0, 0x300c, QCOM_CLK_BRANCH2_BRANCH_HALT,
496 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
497 F_BRANCH2(GCC_BLSP1_UART1_APPS_CLK, "gcc_blsp1_uart1_apps_clk",
498 "blsp1_uart1_apps_clk_src",
499 0x203c, 0, 0, 0, 0x203c, QCOM_CLK_BRANCH2_BRANCH_HALT,
500 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
501 F_BRANCH2(GCC_BLSP1_UART2_APPS_CLK, "gcc_blsp1_uart2_apps_clk",
502 "blsp1_uart2_apps_clk_src",
503 0x302c, 0, 0, 0, 0x302c, QCOM_CLK_BRANCH2_BRANCH_HALT,
504 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
505 F_BRANCH2(GCC_GP1_CLK, "gcc_gp1_clk", "gp1_clk_src",
506 0x8000, 0, 0, 0, 0x8000, QCOM_CLK_BRANCH2_BRANCH_HALT,
507 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
508 F_BRANCH2(GCC_GP2_CLK, "gcc_gp2_clk", "gp2_clk_src",
509 0x9000, 0, 0, 0, 0x9000, QCOM_CLK_BRANCH2_BRANCH_HALT,
510 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
511 F_BRANCH2(GCC_GP3_CLK, "gcc_gp3_clk", "gp3_clk_src",
512 0xa000, 0, 0, 0, 0xa000, QCOM_CLK_BRANCH2_BRANCH_HALT,
513 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
514 /* BRANCH_HALT_VOTED; note the different enable/halt */
515 F_BRANCH2(GCC_APPS_AHB_CLK_SRC, "gcc_apss_ahb_clk",
516 "apps_ahb_clk_src",
517 0x6000, 14, 0, 0, 0x19004, QCOM_CLK_BRANCH2_BRANCH_HALT,
518 true, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
519 F_BRANCH2(GCC_BLSP1_AHB_CLK, "gcc_blsp1_ahb_clk",
520 "pcnoc_clk_src",
521 0x6000, 10, 0, 0, 0x1008, QCOM_CLK_BRANCH2_BRANCH_HALT,
522 true, 0), /* BRANCH_HALT_VOTED */
523 F_BRANCH2(GCC_DCD_XO_CLK, "gcc_dcd_xo_clk", "xo",
524 0x2103c, 0, 0, 0, 0x2103c, QCOM_CLK_BRANCH2_BRANCH_HALT,
525 false, 0),
526 F_BRANCH2(GCC_BOOT_ROM_AHB_CLK, "gcc_boot_rom_ahb_clk",
527 "pcnoc_clk_src", 0x1300c, 0, 0, 0, 0x1300c,
528 QCOM_CLK_BRANCH2_BRANCH_HALT,
529 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
530 F_BRANCH2(GCC_CRYPTO_AHB_CLK, "gcc_crypto_ahb_clk",
531 "pcnoc_clk_src", 0x6000, 0, 0, 0, 0x16024,
532 QCOM_CLK_BRANCH2_BRANCH_HALT,
533 true, 0), /* BRANCH_HALT_VOTED */
534 F_BRANCH2(GCC_CRYPTO_AXI_CLK, "gcc_crypto_axi_clk",
535 "fepll125", 0x6000, 1, 0, 0, 0x16020,
536 QCOM_CLK_BRANCH2_BRANCH_HALT,
537 true, 0), /* BRANCH_HALT_VOTED */
538 F_BRANCH2(GCC_CRYPTO_CLK, "gcc_crypto_clk", "fepll125",
539 0x6000, 2, 0, 0, 0x1601c, QCOM_CLK_BRANCH2_BRANCH_HALT,
540 true, 0), /* BRANCH_HALT_VOTED */
541 F_BRANCH2(GCC_ESS_CLK, "gcc_ess_clk", "fephy_125m_dly_clk_src",
542 0x12010, 0, 0, 0, 0x12010, QCOM_CLK_BRANCH2_BRANCH_HALT,
543 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
544 /* BRANCH_HALT_VOTED */
545 F_BRANCH2(GCC_IMEM_AXI_CLK, "gcc_imem_axi_clk", "fepll200",
546 0x6000, 17, 0, 0, 0xe004, QCOM_CLK_BRANCH2_BRANCH_HALT,
547 true, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
548 F_BRANCH2(GCC_IMEM_CFG_AHB_CLK, "gcc_imem_cfg_ahb_clk",
549 "pcnoc_clk_src",
550 0xe008, 0, 0, 0, 0xe008, QCOM_CLK_BRANCH2_BRANCH_HALT,
551 false, 0),
552 F_BRANCH2(GCC_PCIE_AHB_CLK, "gcc_pcie_ahb_clk", "pcnoc_clk_src",
553 0x1d00c, 0, 0, 0, 0x1d00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
554 false, 0),
555 F_BRANCH2(GCC_PCIE_AXI_M_CLK, "gcc_pcie_axi_m_clk", "fepll200",
556 0x1d004, 0, 0, 0, 0x1d004, QCOM_CLK_BRANCH2_BRANCH_HALT,
557 false, 0),
558 F_BRANCH2(GCC_PCIE_AXI_S_CLK, "gcc_pcie_axi_s_clk", "fepll200",
559 0x1d008, 0, 0, 0, 0x1d008, QCOM_CLK_BRANCH2_BRANCH_HALT,
560 false, 0),
561 F_BRANCH2(GCC_PRNG_AHB_CLK, "gcc_prng_ahb_clk", "pcnoc_clk_src",
562 0x6000, 8, 0, 0, 0x13004, QCOM_CLK_BRANCH2_BRANCH_HALT,
563 true, 0), /* BRANCH_HALT_VOTED */
564 F_BRANCH2(GCC_QPIC_AHB_CLK, "gcc_qpic_ahb_clk", "pcnoc_clk_src",
565 0x1c008, 0, 0, 0, 0x1c008, QCOM_CLK_BRANCH2_BRANCH_HALT,
566 false, 0),
567 F_BRANCH2(GCC_QPIC_CLK, "gcc_qpic_clk", "pcnoc_clk_src",
568 0x1c004, 0, 0, 0, 0x1c004, QCOM_CLK_BRANCH2_BRANCH_HALT,
569 false, 0),
570 F_BRANCH2(GCC_SDCC1_AHB_CLK, "gcc_sdcc1_ahb_clk", "pcnoc_clk_src",
571 0x18010, 0, 0, 0, 0x18010, QCOM_CLK_BRANCH2_BRANCH_HALT,
572 false, 0),
573 F_BRANCH2(GCC_SDCC1_APPS_CLK, "gcc_sdcc1_apps_clk",
574 "sdcc1_apps_clk_src", 0x1800c, 0, 0, 0, 0x1800c,
575 QCOM_CLK_BRANCH2_BRANCH_HALT,
576 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
577 F_BRANCH2(GCC_TLMM_AHB_CLK, "gcc_tlmm_ahb_clk", "pcnoc_clk_src",
578 0x6000, 5, 0, 0, 0x5004, QCOM_CLK_BRANCH2_BRANCH_HALT,
579 true, 0), /* BRANCH_HALT_VOTED */
580 F_BRANCH2(GCC_USB2_MASTER_CLK, "gcc_usb2_master_clk", "pcnoc_clk_src",
581 0x1e00c, 0, 0, 0, 0x1e00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
582 false, 0),
583 F_BRANCH2(GCC_USB2_SLEEP_CLK, "gcc_usb2_sleep_clk",
584 "gcc_sleep_clk_src", 0x1e010, 0, 0, 0, 0x1e010,
585 QCOM_CLK_BRANCH2_BRANCH_HALT,
586 false, 0),
587 F_BRANCH2(GCC_USB2_MOCK_UTMI_CLK, "gcc_usb2_mock_utmi_clk",
588 "usb30_mock_utmi_clk_src", 0x1e014, 0, 0, 0, 0x1e014,
589 QCOM_CLK_BRANCH2_BRANCH_HALT,
590 false, 0),
591 F_BRANCH2(GCC_USB3_MASTER_CLK, "gcc_usb3_master_clk", "fepll125",
592 0x1e028, 0, 0, 0, 0x1e028, QCOM_CLK_BRANCH2_BRANCH_HALT,
593 false, 0),
594 F_BRANCH2(GCC_USB3_SLEEP_CLK, "gcc_usb3_sleep_clk", "gcc_sleep_clk_src",
595 0x1e02c, 0, 0, 0, 0x1e02c, QCOM_CLK_BRANCH2_BRANCH_HALT,
596 false, 0),
597 F_BRANCH2(GCC_USB3_MOCK_UTMI_CLK, "gcc_usb3_mock_utmi_clk",
598 "usb30_mock_utmi_clk_src",
599 0x1e030, 0, 0, 0, 0x1e030, QCOM_CLK_BRANCH2_BRANCH_HALT,
600 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
601 /* Note - yes, these two have the same registers in linux */
602 F_BRANCH2(GCC_WCSS2G_CLK, "gcc_wcss2g_clk", "wcss2g_clk_src",
603 0x1f00c, 0, 0, 0, 0x1f00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
604 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
605 F_BRANCH2(GCC_WCSS2G_REF_CLK, "gcc_wcss2g_ref_clk", "xo",
606 0x1f00c, 0, 0, 0, 0x1f00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
607 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
608 F_BRANCH2(GCC_WCSS2G_RTC_CLK, "gcc_wcss2g_rtc_clk", "gcc_sleep_clk_src",
609 0x1f010, 0, 0, 0, 0x1f010, QCOM_CLK_BRANCH2_BRANCH_HALT,
610 false, 0),
611
612 /* Note - yes, these two have the same registers in linux */
613 F_BRANCH2(GCC_WCSS5G_CLK, "gcc_wcss5g_clk", "wcss5g_clk_src",
614 0x1f00c, 0, 0, 0, 0x2000c, QCOM_CLK_BRANCH2_BRANCH_HALT,
615 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
616 F_BRANCH2(GCC_WCSS5G_REF_CLK, "gcc_wcss5g_ref_clk", "xo",
617 0x1f00c, 0, 0, 0, 0x2000c, QCOM_CLK_BRANCH2_BRANCH_HALT,
618 false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
619 F_BRANCH2(GCC_WCSS5G_RTC_CLK, "gcc_wcss5g_rtc_clk", "gcc_sleep_clk_src",
620 0x1f010, 0, 0, 0, 0x20010, QCOM_CLK_BRANCH2_BRANCH_HALT,
621 false, 0),
622
623 F_BRANCH2(GCC_PCNOC_AHB_CLK, "pcnoc_clk_src", "gcc_pcnoc_ahb_clk_src",
624 0x21030, 0, 0, 0, 0x21030, QCOM_CLK_BRANCH2_BRANCH_HALT, false,
625 QCOM_CLK_BRANCH2_FLAGS_CRITICAL |
626 QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
627 };
628
629 static void
630 qcom_gcc_ipq4018_clock_init_fepll(struct qcom_gcc_ipq4018_softc *sc)
631 {
632 int i, rv;
633
634 for (i = 0; i < nitems(fepll_tbl); i++) {
635 rv = qcom_clk_fepll_register(sc->clkdom, fepll_tbl + i);
636 if (rv != 0)
637 panic("qcom_clk_fepll_register failed");
638 }
639 }
640
641 static void
642 qcom_gcc_ipq4018_clock_init_fdiv(struct qcom_gcc_ipq4018_softc *sc)
643 {
644 int i, rv;
645
646 for (i = 0; i < nitems(fdiv_tbl); i++) {
647 rv = qcom_clk_fdiv_register(sc->clkdom, fdiv_tbl + i);
648 if (rv != 0)
649 panic("qcom_clk_fdiv_register failed");
650 }
651 }
652
653 static void
654 qcom_gcc_ipq4018_clock_init_apssdiv(struct qcom_gcc_ipq4018_softc *sc)
655 {
656 int i, rv;
657
658 for (i = 0; i < nitems(apssdiv_tbl); i++) {
659 rv = qcom_clk_apssdiv_register(sc->clkdom, apssdiv_tbl + i);
660 if (rv != 0)
661 panic("qcom_clk_apssdiv_register failed");
662 }
663 }
664
665 static void
666 qcom_gcc_ipq4018_clock_init_rcg2(struct qcom_gcc_ipq4018_softc *sc)
667 {
668 int i, rv;
669
670 for (i = 0; i < nitems(rcg2_tbl); i++) {
671 rv = qcom_clk_rcg2_register(sc->clkdom, rcg2_tbl + i);
672 if (rv != 0)
673 panic("qcom_clk_rcg2_register failed");
674 }
675 }
676
677 static void
678 qcom_gcc_ipq4018_clock_init_branch2(struct qcom_gcc_ipq4018_softc *sc)
679 {
680 int i, rv;
681
682 for (i = 0; i < nitems(branch2_tbl); i++) {
683 rv = qcom_clk_branch2_register(sc->clkdom, branch2_tbl + i);
684 if (rv != 0)
685 panic("qcom_clk_branch2_register failed");
686 }
687 }
688
689 static void
690 qcom_gcc_ipq4018_clock_init_ro_div(struct qcom_gcc_ipq4018_softc *sc)
691 {
692 int i, rv;
693
694 for (i = 0; i < nitems(ro_div_tbl); i++) {
695 rv = qcom_clk_ro_div_register(sc->clkdom, ro_div_tbl + i);
696 if (rv != 0)
697 panic("qcom_clk_ro_div_register failed");
698 }
699 }
700
701 int
702 qcom_gcc_ipq4018_clock_read(device_t dev, bus_addr_t addr, uint32_t *val)
703 {
704 struct qcom_gcc_ipq4018_softc *sc;
705
706 sc = device_get_softc(dev);
707 *val = bus_read_4(sc->reg, addr);
708 return (0);
709 }
710
711 int
712 qcom_gcc_ipq4018_clock_write(device_t dev, bus_addr_t addr, uint32_t val)
713 {
714 struct qcom_gcc_ipq4018_softc *sc;
715
716 sc = device_get_softc(dev);
717 bus_write_4(sc->reg, addr, val);
718 return (0);
719 }
720
721 int
722 qcom_gcc_ipq4018_clock_modify(device_t dev, bus_addr_t addr,
723 uint32_t clear_mask, uint32_t set_mask)
724 {
725 struct qcom_gcc_ipq4018_softc *sc;
726 uint32_t reg;
727
728 sc = device_get_softc(dev);
729 reg = bus_read_4(sc->reg, addr);
730 reg &= clear_mask;
731 reg |= set_mask;
732 bus_write_4(sc->reg, addr, reg);
733 return (0);
734 }
735
736 void
737 qcom_gcc_ipq4018_clock_setup(struct qcom_gcc_ipq4018_softc *sc)
738 {
739
740 sc->clkdom = clkdom_create(sc->dev);
741
742 /* Setup stuff */
743 qcom_gcc_ipq4018_clock_init_fepll(sc);
744 qcom_gcc_ipq4018_clock_init_fdiv(sc);
745 qcom_gcc_ipq4018_clock_init_apssdiv(sc);
746 qcom_gcc_ipq4018_clock_init_rcg2(sc);
747 qcom_gcc_ipq4018_clock_init_branch2(sc);
748 qcom_gcc_ipq4018_clock_init_ro_div(sc);
749
750 /* Finalise clock tree */
751 clkdom_finit(sc->clkdom);
752 }
753
754 void
755 qcom_gcc_ipq4018_clock_lock(device_t dev)
756 {
757 struct qcom_gcc_ipq4018_softc *sc;
758
759 sc = device_get_softc(dev);
760 mtx_lock(&sc->mtx);
761 }
762
763 void
764 qcom_gcc_ipq4018_clock_unlock(device_t dev)
765 {
766 struct qcom_gcc_ipq4018_softc *sc;
767
768 sc = device_get_softc(dev);
769 mtx_unlock(&sc->mtx);
770 }
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