xref: /freebsd/sys/dev/qcom_gcc/qcom_gcc_ipq4018_clock.c (revision 725a9f47324d42037db93c27ceb40d4956872f3e)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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/param.h>
31 #include <sys/kernel.h>
32 #include <sys/malloc.h>
33 #include <sys/module.h>
34 #include <sys/sglist.h>
35 #include <sys/random.h>
36 #include <sys/stdatomic.h>
37 #include <sys/mutex.h>
38 
39 #include <machine/bus.h>
40 #include <machine/resource.h>
41 #include <sys/bus.h>
42 
43 #include <dev/fdt/fdt_common.h>
44 #include <dev/ofw/ofw_bus.h>
45 #include <dev/ofw/ofw_bus_subr.h>
46 
47 #include <dev/clk/clk_div.h>
48 #include <dev/clk/clk_fixed.h>
49 #include <dev/clk/clk_mux.h>
50 #include <dev/clk/clk_link.h>
51 
52 #include <dt-bindings/clock/qcom,gcc-ipq4019.h>
53 
54 #include <dev/qcom_clk/qcom_clk_freqtbl.h>
55 #include <dev/qcom_clk/qcom_clk_fepll.h>
56 #include <dev/qcom_clk/qcom_clk_fdiv.h>
57 #include <dev/qcom_clk/qcom_clk_apssdiv.h>
58 #include <dev/qcom_clk/qcom_clk_rcg2.h>
59 #include <dev/qcom_clk/qcom_clk_branch2.h>
60 #include <dev/qcom_clk/qcom_clk_ro_div.h>
61 
62 #include "qcom_gcc_ipq4018_var.h"
63 
64 
65 /* Fixed rate clock. */
66 #define F_RATE(_id, cname, _freq)					\
67 {									\
68 	.clkdef.id = _id,						\
69 	.clkdef.name = cname,						\
70 	.clkdef.parent_names = NULL,					\
71 	.clkdef.parent_cnt = 0,						\
72 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
73 	.freq = _freq,							\
74 }
75 
76 /* Linked clock. */
77 #define F_LINK(_id, _cname)						\
78 {									\
79 	.clkdef.id = _id,						\
80 	.clkdef.name = _cname,						\
81 	.clkdef.parent_names = NULL,					\
82 	.clkdef.parent_cnt = 0,						\
83 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
84 }
85 
86 
87 /* FEPLL clock */
88 #define F_FEPLL(_id, _cname, _parent, _reg, _fs, _fw, _rs, _rw)		\
89 {									\
90 	.clkdef.id = _id,						\
91 	.clkdef.name = _cname,						\
92 	.clkdef.parent_names = (const char *[]){_parent},		\
93 	.clkdef.parent_cnt = 1,						\
94 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
95 	.offset = _reg,							\
96 	.fdbkdiv_shift = _fs,						\
97 	.fdbkdiv_width = _fw,						\
98 	.refclkdiv_shift = _rs,						\
99 	.refclkdiv_width = _rw,						\
100 }
101 
102 /* Fixed divisor clock */
103 #define F_FDIV(_id, _cname, _parent, _divisor)				\
104 {									\
105 	.clkdef.id = _id,						\
106 	.clkdef.name = _cname,						\
107 	.clkdef.parent_names = (const char *[]){_parent},		\
108 	.clkdef.parent_cnt = 1,						\
109 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
110 	.divisor = _divisor,						\
111 }
112 
113 /* APSS DIV clock */
114 #define F_APSSDIV(_id, _cname, _parent, _doffset, _dshift, _dwidth,	\
115     _eoffset, _eshift, _freqtbl)					\
116 {									\
117 	.clkdef.id = _id,						\
118 	.clkdef.name = _cname,						\
119 	.clkdef.parent_names = (const char *[]){_parent},		\
120 	.clkdef.parent_cnt = 1,						\
121 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
122 	.div_offset = _doffset,						\
123 	.div_width = _dwidth,						\
124 	.div_shift = _dshift,						\
125 	.enable_offset = _eoffset,					\
126 	.enable_shift = _eshift,					\
127 	.freq_tbl = _freqtbl,						\
128 }
129 
130 /* read-only div table */
131 #define	F_RO_DIV(_id, _cname, _parent, _offset, _shift, _width, _tbl)	\
132 {									\
133 	.clkdef.id = _id,						\
134 	.clkdef.name = _cname,						\
135 	.clkdef.parent_names = (const char *[]){_parent},		\
136 	.clkdef.parent_cnt = 1,						\
137 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
138 	.offset = _offset,						\
139 	.width = _width,						\
140 	.shift = _shift,						\
141 	.div_tbl = _tbl,						\
142 }
143 
144 /* RCG2 clock */
145 #define F_RCG2(_id, _cname, _parents, _rcgr, _hid_width, _mnd_width,	\
146     _safe_src_idx, _safe_pre_parent_idx, _cfg_offset, _flags,		\
147     _freq_tbl)								\
148 {									\
149 	.clkdef.id = _id,						\
150 	.clkdef.name = _cname,						\
151 	.clkdef.parent_names = _parents,				\
152 	.clkdef.parent_cnt = nitems(_parents),				\
153 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
154 	.cmd_rcgr = _rcgr,						\
155 	.hid_width = _hid_width,					\
156 	.mnd_width = _mnd_width,					\
157 	.safe_src_idx = _safe_src_idx,					\
158 	.flags= _flags,							\
159 	.safe_pre_parent_idx = _safe_pre_parent_idx,			\
160 	.freq_tbl = _freq_tbl,						\
161 }
162 
163 /* branch2 gate nodes */
164 #define	F_BRANCH2(_id, _cname, _parent, _eo, _es, _hr, _hs, _haltreg,	\
165     _type, _voted, _flags)						\
166 {									\
167 	.clkdef.id = _id,						\
168 	.clkdef.name = _cname,						\
169 	.clkdef.parent_names = (const char *[]){_parent},		\
170 	.clkdef.parent_cnt = 1,						\
171 	.clkdef.flags = CLK_NODE_STATIC_STRINGS,			\
172 	.enable_offset = _eo,						\
173 	.enable_shift = _es,						\
174 	.hwcg_reg = _hr,						\
175 	.hwcg_bit = _hs,						\
176 	.halt_reg = _haltreg,						\
177 	.halt_check_type = _type,					\
178 	.halt_check_voted = _voted,					\
179 	.flags = _flags,						\
180 }
181 
182 /*
183  * Fixed "gcc_fepll_vco" PLL derived sources:
184  *
185  * P_FEPLL125 - 125MHz
186  * P_FEPLL125DLY - 125MHz
187  * P_FEPLL200 - 200MHz
188  * "fepll500" - 500MHz
189  *
190  * Fixed "gcc_apps_ddrpll_vco" PLL derived sources:
191  *
192  * P_DDRPLL - 192MHz
193  */
194 static struct qcom_clk_fdiv_def fdiv_tbl[] = {
195 	F_FDIV(GCC_FEPLL125_CLK, "fepll125", "gcc_fepll_vco", 32),
196 	F_FDIV(GCC_FEPLL125DLY_CLK, "fepll125dly", "gcc_fepll_vco", 32),
197 	F_FDIV(GCC_FEPLL200_CLK, "fepll200", "gcc_fepll_vco", 20),
198 	F_FDIV(GCC_FEPLL500_CLK, "fepll500", "gcc_fepll_vco", 8),
199 	F_FDIV(GCC_SDCC_PLLDIV_CLK, "ddrpllsdcc", "gcc_apps_ddrpll_vco", 28),
200 };
201 
202 /*
203  * FEPLL - 48MHz (xo) input, 4GHz output
204  * DDRPLL - 48MHz (xo) input, 5.376GHz output
205  */
206 static struct qcom_clk_fepll_def fepll_tbl[] = {
207 	F_FEPLL(GCC_FEPLL_VCO, "gcc_fepll_vco", "xo", 0x2f020, 16, 8, 24, 5),
208 	F_FEPLL(GCC_APSS_DDRPLL_VCO, "gcc_apps_ddrpll_vco", "xo", 0x2e020,
209 	    16, 8, 24, 5),
210 };
211 
212 /*
213  * Frequency table for the APSS PLL/DIV path for the CPU frequency.
214  *
215  * Note - the APSS DIV code only needs the frequency and pre-divisor,
216  * not the other fields.
217  */
218 static struct qcom_clk_freq_tbl apss_freq_tbl[] = {
219 	{ 384000000, "gcc_apps_ddrpll_vco", 0xd, 0, 0 },
220 	{ 413000000, "gcc_apps_ddrpll_vco", 0xc, 0, 0 },
221 	{ 448000000, "gcc_apps_ddrpll_vco", 0xb, 0, 0 },
222 	{ 488000000, "gcc_apps_ddrpll_vco", 0xa, 0, 0 },
223 	{ 512000000, "gcc_apps_ddrpll_vco", 0x9, 0, 0 },
224 	{ 537000000, "gcc_apps_ddrpll_vco", 0x8, 0, 0 },
225 	{ 565000000, "gcc_apps_ddrpll_vco", 0x7, 0, 0 },
226 	{ 597000000, "gcc_apps_ddrpll_vco", 0x6, 0, 0 },
227 	{ 632000000, "gcc_apps_ddrpll_vco", 0x5, 0, 0 },
228 	{ 672000000, "gcc_apps_ddrpll_vco", 0x4, 0, 0 },
229 	{ 716000000, "gcc_apps_ddrpll_vco", 0x3, 0, 0 },
230 	{ 768000000, "gcc_apps_ddrpll_vco", 0x2, 0, 0 },
231 	{ 823000000, "gcc_apps_ddrpll_vco", 0x1, 0, 0 },
232 	{ 896000000, "gcc_apps_ddrpll_vco", 0x0, 0, 0 },
233 	{ 0, }
234 };
235 
236 /*
237  * APSS div/gate
238  */
239 static struct qcom_clk_apssdiv_def apssdiv_tbl[] = {
240 	F_APSSDIV(GCC_APSS_CPU_PLLDIV_CLK, "ddrpllapss",
241 	    "gcc_apps_ddrpll_vco", 0x2e020,
242 	    4, 4, 0x2e000, 0, &apss_freq_tbl[0]),
243 };
244 
245 /*
246  * Parent clocks for the apps_clk_src clock.
247  */
248 static const char * apps_clk_src_parents[] = {
249 	"xo", "ddrpllapss", "fepll500", "fepll200"
250 };
251 
252 /*
253  * Parents lists for a variety of blocks.
254  */
255 static const char * gcc_xo_200_parents[] = {
256 	"xo", "fepll200"
257 };
258 static const char * gcc_xo_200_500_parents[] = {
259 	"xo", "fepll200", "fepll500"
260 };
261 static const char * gcc_xo_200_spi_parents[] = {
262 	"xo", NULL, "fepll200"
263 };
264 static const char * gcc_xo_sdcc1_500_parents[] = {
265 	"xo", "ddrpllsdcc", "fepll500"
266 };
267 
268 static const char * gcc_xo_125_dly_parents[] = {
269 	"xo", "fepll125dly"
270 };
271 
272 static const char * gcc_xo_wcss2g_parents[] = {
273 	"xo", "fepllwcss2g"
274 };
275 
276 static const char * gcc_xo_wcss5g_parents[] = {
277 	"xo", "fepllwcss5g"
278 };
279 
280 static struct qcom_clk_freq_tbl apps_clk_src_freq_tbl[] = {
281 	{ 48000000, "xo", 1, 0, 0 },
282 	{ 200000000, "fepll200", 1, 0, 0 },
283 	{ 384000000, "ddrpllapss", 1, 0, 0 },
284 	{ 413000000, "ddrpllapss", 1, 0, 0 },
285 	{ 448000000, "ddrpllapss", 1, 0, 0 },
286 	{ 488000000, "ddrpllapss", 1, 0, 0 },
287 	{ 500000000, "fepll500", 1, 0, 0 },
288 	{ 512000000, "ddrpllapss", 1, 0, 0 },
289 	{ 537000000, "ddrpllapss", 1, 0, 0 },
290 	{ 565000000, "ddrpllapss", 1, 0, 0 },
291 	{ 597000000, "ddrpllapss", 1, 0, 0 },
292 	{ 632000000, "ddrpllapss", 1, 0, 0 },
293 	{ 672000000, "ddrpllapss", 1, 0, 0 },
294 	{ 716000000, "ddrpllapss", 1, 0, 0 },
295 	{ 0,}
296 
297 };
298 
299 static struct qcom_clk_freq_tbl audio_clk_src_freq_tbl[] = {
300 	{ 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
301 	{ 200000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
302 	{ 0,}
303 };
304 
305 static struct qcom_clk_freq_tbl blsp1_qup1_i2c_apps_clk_src_freq_tbl[] = {
306 	{ 19050000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(10.5), 1, 1 },
307 	{ 0,}
308 };
309 
310 static struct qcom_clk_freq_tbl blsp1_qup1_spi_apps_clk_src_freq_tbl[] = {
311 	{ 960000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(12), 1, 4 },
312 	{ 4800000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 10 },
313 	{ 9600000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 5 },
314 	{ 15000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 3 },
315 	{ 19200000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 2, 5 },
316 	{ 24000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 2 },
317 	{ 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
318 	{ 0,}
319 };
320 
321 static struct qcom_clk_freq_tbl gcc_pcnoc_ahb_clk_src_freq_tbl[] = {
322 	{ 48000000,  "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
323 	{ 100000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(2), 0, 0 },
324 	{ 0, }
325 };
326 
327 static struct qcom_clk_freq_tbl blsp1_uart1_apps_clk_src_freq_tbl[] = {
328 	{ 1843200, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 144, 15625 },
329 	{ 3686400, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 288, 15625 },
330 	{ 7372800, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 576, 15625 },
331 	{ 14745600, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1152, 15625 },
332 	{ 16000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 2, 25 },
333 	{ 24000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 2 },
334 	{ 32000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 4, 25 },
335 	{ 40000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 5 },
336 	{ 46400000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 29, 125 },
337 	{ 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
338 	{ 0, }
339 };
340 
341 static struct qcom_clk_freq_tbl gp1_clk_src_freq_tbl[] = {
342 	{ 1250000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 16, 0 },
343 	{ 2500000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1),  8, 0 },
344 	{ 5000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(1),  4, 0 },
345 	{ 0, }
346 };
347 
348 static struct qcom_clk_freq_tbl sdcc1_apps_clk_src_freq_tbl[] = {
349 	{ 144000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 3, 240 },
350 	{ 400000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 0 },
351 	{ 20000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 25 },
352 	{ 25000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 20 },
353 	{ 50000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 10 },
354 	{ 100000000, "fepll500", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 1, 5 },
355 	{ 192000000, "ddrpllsdcc", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
356 	{ 0, }
357 };
358 
359 static struct qcom_clk_freq_tbl apps_ahb_clk_src_freq_tbl[] = {
360 	{ 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
361 	{ 100000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(2), 0, 0 },
362 	{ 0, }
363 };
364 
365 static struct qcom_clk_freq_tbl usb30_mock_utmi_clk_src_freq_tbl[] = {
366 	{ 2000000, "fepll200", QCOM_CLK_FREQTBL_PREDIV_RCG2(10), 0, 0 },
367 	{ 0, }
368 };
369 
370 static struct qcom_clk_freq_tbl fephy_125m_dly_clk_src_freq_tbl[] = {
371 	{ 125000000, "fepll125dly", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
372 	{ 0, }
373 };
374 
375 static struct qcom_clk_freq_tbl wcss2g_clk_src_freq_tbl[] = {
376 	{ 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
377 	{ 250000000, "fepllwcss2g", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
378 	{ 0, }
379 };
380 
381 static struct qcom_clk_freq_tbl wcss5g_clk_src_freq_tbl[] = {
382 	{ 48000000, "xo", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
383 	{ 250000000, "fepllwcss5g", QCOM_CLK_FREQTBL_PREDIV_RCG2(1), 0, 0 },
384 	{ 0, }
385 };
386 
387 /*
388  * Divisor table for the 2g/5g wifi clock divisors.
389  */
390 static struct qcom_clk_ro_div_tbl fepllwcss_clk_div_tbl[] = {
391 	{ 0, 15 },
392 	{ 1, 16 },
393 	{ 2, 18 },
394 	{ 3, 20 },
395 	{ 0, 0 }
396 };
397 
398 /*
399  * Read-only divisor table clocks.
400  */
401 static struct qcom_clk_ro_div_def ro_div_tbl[] = {
402 	F_RO_DIV(GCC_FEPLL_WCSS2G_CLK, "fepllwcss2g", "gcc_fepll_vco",
403 	     0x2f020, 8, 2, &fepllwcss_clk_div_tbl[0]),
404 	F_RO_DIV(GCC_FEPLL_WCSS5G_CLK, "fepllwcss5g", "gcc_fepll_vco",
405 	     0x2f020, 12, 2, &fepllwcss_clk_div_tbl[0]),
406 };
407 
408 /*
409  * RCG2 clocks
410  */
411 static struct qcom_clk_rcg2_def rcg2_tbl[] = {
412 	F_RCG2(AUDIO_CLK_SRC, "audio_clk_src", gcc_xo_200_parents,
413 	    0x1b000, 5, 0, -1, -1, 0, 0, &audio_clk_src_freq_tbl[0]),
414 	F_RCG2(BLSP1_QUP1_I2C_APPS_CLK_SRC, "blsp1_qup1_i2c_apps_clk_src",
415 	    gcc_xo_200_parents, 0x200c, 5, 0, -1, -1, 0, 0,
416 	    &blsp1_qup1_i2c_apps_clk_src_freq_tbl[0]),
417 	F_RCG2(BLSP1_QUP2_I2C_APPS_CLK_SRC, "blsp1_qup2_i2c_apps_clk_src",
418 	    gcc_xo_200_parents, 0x3000, 5, 0, -1, -1, 0, 0,
419 	    &blsp1_qup1_i2c_apps_clk_src_freq_tbl[0]),
420 	F_RCG2(BLSP1_QUP1_SPI_APPS_CLK_SRC, "blsp1_qup1_spi_apps_clk_src",
421 	    gcc_xo_200_spi_parents, 0x2024, 5, 8, -1, -1, 0, 0,
422 	    &blsp1_qup1_spi_apps_clk_src_freq_tbl[0]),
423 	F_RCG2(BLSP1_QUP2_SPI_APPS_CLK_SRC, "blsp1_qup2_spi_apps_clk_src",
424 	    gcc_xo_200_spi_parents, 0x3014, 5, 8, -1, -1, 0, 0,
425 	    &blsp1_qup1_spi_apps_clk_src_freq_tbl[0]),
426 	F_RCG2(BLSP1_UART1_APPS_CLK_SRC, "blsp1_uart1_apps_clk_src",
427 	    gcc_xo_200_spi_parents, 0x2044, 5, 16, -1, -1, 0, 0,
428 	    &blsp1_uart1_apps_clk_src_freq_tbl[0]),
429 	F_RCG2(BLSP1_UART2_APPS_CLK_SRC, "blsp1_uart2_apps_clk_src",
430 	    gcc_xo_200_spi_parents, 0x3034, 5, 16, -1, -1, 0, 0,
431 	    &blsp1_uart1_apps_clk_src_freq_tbl[0]),
432 	F_RCG2(GP1_CLK_SRC, "gp1_clk_src", gcc_xo_200_parents, 0x8004,
433 	    5, 8, -1, -1, 0, 0,
434 	    &gp1_clk_src_freq_tbl[0]),
435 	F_RCG2(GP2_CLK_SRC, "gp2_clk_src", gcc_xo_200_parents, 0x9004,
436 	    5, 8, -1, -1, 0, 0,
437 	    &gp1_clk_src_freq_tbl[0]),
438 	F_RCG2(GP3_CLK_SRC, "gp3_clk_src", gcc_xo_200_parents, 0xa004,
439 	    5, 8, -1, -1, 0, 0,
440 	    &gp1_clk_src_freq_tbl[0]),
441 	F_RCG2(SDCC1_APPS_CLK_SRC, "sdcc1_apps_clk_src",
442 	    gcc_xo_sdcc1_500_parents, 0x18004, 5, 0, -1, -1, 0, 0,
443 	    &sdcc1_apps_clk_src_freq_tbl[0]),
444 	F_RCG2(GCC_APPS_CLK_SRC, "apps_clk_src", apps_clk_src_parents,
445 	    0x1900c, 5, 0, -1, 2, 0,
446 	    QCOM_CLK_RCG2_FLAGS_SET_RATE_PARENT,
447 	    &apps_clk_src_freq_tbl[0]),
448 	F_RCG2(GCC_APPS_AHB_CLK_SRC, "apps_ahb_clk_src",
449 	    gcc_xo_200_500_parents, 0x19014, 5, 0, -1, -1, 0,
450 	    0, &apps_ahb_clk_src_freq_tbl[0]),
451 	F_RCG2(GCC_USB3_MOCK_UTMI_CLK_SRC, "usb30_mock_utmi_clk_src",
452 	    gcc_xo_200_parents, 0x1e000, 5, 0, -1, -1, 0, 0,
453 	    &usb30_mock_utmi_clk_src_freq_tbl[0]),
454 	F_RCG2(FEPHY_125M_DLY_CLK_SRC, "fephy_125m_dly_clk_src",
455 	    gcc_xo_125_dly_parents, 0x12000, 5, 0, -1, -1, 0, 0,
456 	    &fephy_125m_dly_clk_src_freq_tbl[0]),
457 	F_RCG2(WCSS2G_CLK_SRC, "wcss2g_clk_src", gcc_xo_wcss2g_parents,
458 	    0x1f000, 5, 0, -1, -1, 0, 0,
459 	    &wcss2g_clk_src_freq_tbl[0]),
460 	F_RCG2(WCSS5G_CLK_SRC, "wcss5g_clk_src", gcc_xo_wcss5g_parents,
461 	    0x20000, 5, 0, -1, -1, 0, 0,
462 	    &wcss5g_clk_src_freq_tbl[0]),
463 	F_RCG2(GCC_PCNOC_AHB_CLK_SRC, "gcc_pcnoc_ahb_clk_src",
464 	    gcc_xo_200_500_parents, 0x21024, 5, 0, -1, -1, 0, 0,
465 	    &gcc_pcnoc_ahb_clk_src_freq_tbl[0]),
466 };
467 
468 /*
469  * branch2 clocks
470  */
471 static struct qcom_clk_branch2_def branch2_tbl[] = {
472 	F_BRANCH2(GCC_AUDIO_AHB_CLK, "gcc_audio_ahb_clk", "pcnoc_clk_src",
473 	    0x1b010, 0, 0, 0, 0x1b010, QCOM_CLK_BRANCH2_BRANCH_HALT,
474 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
475 	F_BRANCH2(GCC_AUDIO_PWM_CLK, "gcc_audio_pwm_clk", "audio_clk_src",
476 	    0x1b00c, 0, 0, 0, 0x1b00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
477 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
478 	F_BRANCH2(GCC_BLSP1_QUP1_I2C_APPS_CLK, "gcc_blsp1_qup1_i2c_apps_clk",
479 	    "blsp1_qup1_i2c_apps_clk_src",
480 	    0x2008, 0, 0, 0, 0x2008, QCOM_CLK_BRANCH2_BRANCH_HALT,
481 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
482 	F_BRANCH2(GCC_BLSP1_QUP2_I2C_APPS_CLK, "gcc_blsp1_qup2_i2c_apps_clk",
483 	    "blsp1_qup2_i2c_apps_clk_src",
484 	    0x3010, 0, 0, 0, 0x3010, QCOM_CLK_BRANCH2_BRANCH_HALT,
485 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
486 	F_BRANCH2(GCC_BLSP1_QUP1_SPI_APPS_CLK, "gcc_blsp1_qup1_spi_apps_clk",
487 	    "blsp1_qup1_spi_apps_clk_src",
488 	    0x2004, 0, 0, 0, 0x2004, QCOM_CLK_BRANCH2_BRANCH_HALT,
489 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
490 	F_BRANCH2(GCC_BLSP1_QUP2_SPI_APPS_CLK, "gcc_blsp1_qup2_spi_apps_clk",
491 	    "blsp1_qup2_spi_apps_clk_src",
492 	    0x300c, 0, 0, 0, 0x300c, QCOM_CLK_BRANCH2_BRANCH_HALT,
493 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
494 	F_BRANCH2(GCC_BLSP1_UART1_APPS_CLK, "gcc_blsp1_uart1_apps_clk",
495 	    "blsp1_uart1_apps_clk_src",
496 	    0x203c, 0, 0, 0, 0x203c, QCOM_CLK_BRANCH2_BRANCH_HALT,
497 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
498 	F_BRANCH2(GCC_BLSP1_UART2_APPS_CLK, "gcc_blsp1_uart2_apps_clk",
499 	    "blsp1_uart2_apps_clk_src",
500 	    0x302c, 0, 0, 0, 0x302c, QCOM_CLK_BRANCH2_BRANCH_HALT,
501 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
502 	F_BRANCH2(GCC_GP1_CLK, "gcc_gp1_clk", "gp1_clk_src",
503 	    0x8000, 0, 0, 0, 0x8000, QCOM_CLK_BRANCH2_BRANCH_HALT,
504 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
505 	F_BRANCH2(GCC_GP2_CLK, "gcc_gp2_clk", "gp2_clk_src",
506 	    0x9000, 0, 0, 0, 0x9000, QCOM_CLK_BRANCH2_BRANCH_HALT,
507 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
508 	F_BRANCH2(GCC_GP3_CLK, "gcc_gp3_clk", "gp3_clk_src",
509 	    0xa000, 0, 0, 0, 0xa000, QCOM_CLK_BRANCH2_BRANCH_HALT,
510 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
511 	/* BRANCH_HALT_VOTED; note the different enable/halt */
512 	F_BRANCH2(GCC_APPS_AHB_CLK_SRC, "gcc_apss_ahb_clk",
513 	    "apps_ahb_clk_src",
514 	    0x6000, 14, 0, 0, 0x19004, QCOM_CLK_BRANCH2_BRANCH_HALT,
515 	    true, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
516 	F_BRANCH2(GCC_BLSP1_AHB_CLK, "gcc_blsp1_ahb_clk",
517 	    "pcnoc_clk_src",
518 	    0x6000, 10, 0, 0, 0x1008, QCOM_CLK_BRANCH2_BRANCH_HALT,
519 	    true, 0), /* BRANCH_HALT_VOTED */
520 	F_BRANCH2(GCC_DCD_XO_CLK, "gcc_dcd_xo_clk", "xo",
521 	    0x2103c, 0, 0, 0, 0x2103c, QCOM_CLK_BRANCH2_BRANCH_HALT,
522 	    false, 0),
523 	F_BRANCH2(GCC_BOOT_ROM_AHB_CLK, "gcc_boot_rom_ahb_clk",
524 	    "pcnoc_clk_src", 0x1300c, 0, 0, 0, 0x1300c,
525 	    QCOM_CLK_BRANCH2_BRANCH_HALT,
526 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
527 	F_BRANCH2(GCC_CRYPTO_AHB_CLK, "gcc_crypto_ahb_clk",
528 	    "pcnoc_clk_src", 0x6000, 0, 0, 0, 0x16024,
529 	    QCOM_CLK_BRANCH2_BRANCH_HALT,
530 	    true, 0), /* BRANCH_HALT_VOTED */
531 	F_BRANCH2(GCC_CRYPTO_AXI_CLK, "gcc_crypto_axi_clk",
532 	    "fepll125", 0x6000, 1, 0, 0, 0x16020,
533 	    QCOM_CLK_BRANCH2_BRANCH_HALT,
534 	    true, 0), /* BRANCH_HALT_VOTED */
535 	F_BRANCH2(GCC_CRYPTO_CLK, "gcc_crypto_clk", "fepll125",
536 	    0x6000, 2, 0, 0, 0x1601c, QCOM_CLK_BRANCH2_BRANCH_HALT,
537 	    true, 0), /* BRANCH_HALT_VOTED */
538 	F_BRANCH2(GCC_ESS_CLK, "gcc_ess_clk", "fephy_125m_dly_clk_src",
539 	    0x12010, 0, 0, 0, 0x12010, QCOM_CLK_BRANCH2_BRANCH_HALT,
540 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
541 	/* BRANCH_HALT_VOTED */
542 	F_BRANCH2(GCC_IMEM_AXI_CLK, "gcc_imem_axi_clk", "fepll200",
543 	    0x6000, 17, 0, 0, 0xe004, QCOM_CLK_BRANCH2_BRANCH_HALT,
544 	    true, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
545 	F_BRANCH2(GCC_IMEM_CFG_AHB_CLK, "gcc_imem_cfg_ahb_clk",
546 	    "pcnoc_clk_src",
547 	    0xe008, 0, 0, 0, 0xe008, QCOM_CLK_BRANCH2_BRANCH_HALT,
548 	    false, 0),
549 	F_BRANCH2(GCC_PCIE_AHB_CLK, "gcc_pcie_ahb_clk", "pcnoc_clk_src",
550 	    0x1d00c, 0, 0, 0, 0x1d00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
551 	    false, 0),
552 	F_BRANCH2(GCC_PCIE_AXI_M_CLK, "gcc_pcie_axi_m_clk", "fepll200",
553 	    0x1d004, 0, 0, 0, 0x1d004, QCOM_CLK_BRANCH2_BRANCH_HALT,
554 	    false, 0),
555 	F_BRANCH2(GCC_PCIE_AXI_S_CLK, "gcc_pcie_axi_s_clk", "fepll200",
556 	    0x1d008, 0, 0, 0, 0x1d008, QCOM_CLK_BRANCH2_BRANCH_HALT,
557 	    false, 0),
558 	F_BRANCH2(GCC_PRNG_AHB_CLK, "gcc_prng_ahb_clk", "pcnoc_clk_src",
559 	    0x6000, 8, 0, 0, 0x13004, QCOM_CLK_BRANCH2_BRANCH_HALT,
560 	    true, 0), /* BRANCH_HALT_VOTED */
561 	F_BRANCH2(GCC_QPIC_AHB_CLK, "gcc_qpic_ahb_clk", "pcnoc_clk_src",
562 	    0x1c008, 0, 0, 0, 0x1c008, QCOM_CLK_BRANCH2_BRANCH_HALT,
563 	    false, 0),
564 	F_BRANCH2(GCC_QPIC_CLK, "gcc_qpic_clk", "pcnoc_clk_src",
565 	    0x1c004, 0, 0, 0, 0x1c004, QCOM_CLK_BRANCH2_BRANCH_HALT,
566 	    false, 0),
567 	F_BRANCH2(GCC_SDCC1_AHB_CLK, "gcc_sdcc1_ahb_clk", "pcnoc_clk_src",
568 	    0x18010, 0, 0, 0, 0x18010, QCOM_CLK_BRANCH2_BRANCH_HALT,
569 	    false, 0),
570 	F_BRANCH2(GCC_SDCC1_APPS_CLK, "gcc_sdcc1_apps_clk",
571 	    "sdcc1_apps_clk_src", 0x1800c, 0, 0, 0, 0x1800c,
572 	    QCOM_CLK_BRANCH2_BRANCH_HALT,
573 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
574 	F_BRANCH2(GCC_TLMM_AHB_CLK, "gcc_tlmm_ahb_clk", "pcnoc_clk_src",
575 	    0x6000, 5, 0, 0, 0x5004, QCOM_CLK_BRANCH2_BRANCH_HALT,
576 	    true, 0), /* BRANCH_HALT_VOTED */
577 	F_BRANCH2(GCC_USB2_MASTER_CLK, "gcc_usb2_master_clk", "pcnoc_clk_src",
578 	    0x1e00c, 0, 0, 0, 0x1e00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
579 	    false, 0),
580 	F_BRANCH2(GCC_USB2_SLEEP_CLK, "gcc_usb2_sleep_clk",
581 	    "gcc_sleep_clk_src", 0x1e010, 0, 0, 0, 0x1e010,
582 	    QCOM_CLK_BRANCH2_BRANCH_HALT,
583 	    false, 0),
584 	F_BRANCH2(GCC_USB2_MOCK_UTMI_CLK, "gcc_usb2_mock_utmi_clk",
585 	    "usb30_mock_utmi_clk_src", 0x1e014, 0, 0, 0, 0x1e014,
586 	    QCOM_CLK_BRANCH2_BRANCH_HALT,
587 	    false, 0),
588 	F_BRANCH2(GCC_USB3_MASTER_CLK, "gcc_usb3_master_clk", "fepll125",
589 	    0x1e028, 0, 0, 0, 0x1e028, QCOM_CLK_BRANCH2_BRANCH_HALT,
590 	    false, 0),
591 	F_BRANCH2(GCC_USB3_SLEEP_CLK, "gcc_usb3_sleep_clk", "gcc_sleep_clk_src",
592 	    0x1e02c, 0, 0, 0, 0x1e02c, QCOM_CLK_BRANCH2_BRANCH_HALT,
593 	    false, 0),
594 	F_BRANCH2(GCC_USB3_MOCK_UTMI_CLK, "gcc_usb3_mock_utmi_clk",
595 	    "usb30_mock_utmi_clk_src",
596 	    0x1e030, 0, 0, 0, 0x1e030, QCOM_CLK_BRANCH2_BRANCH_HALT,
597 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
598 	/* Note - yes, these two have the same registers in linux */
599 	F_BRANCH2(GCC_WCSS2G_CLK, "gcc_wcss2g_clk", "wcss2g_clk_src",
600 	    0x1f00c, 0, 0, 0, 0x1f00c, QCOM_CLK_BRANCH2_BRANCH_HALT,
601 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
602 	F_BRANCH2(GCC_WCSS2G_REF_CLK, "gcc_wcss2g_ref_clk", "xo",
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_RTC_CLK, "gcc_wcss2g_rtc_clk", "gcc_sleep_clk_src",
606 	    0x1f010, 0, 0, 0, 0x1f010, QCOM_CLK_BRANCH2_BRANCH_HALT,
607 	    false, 0),
608 
609 	/* Note - yes, these two have the same registers in linux */
610 	F_BRANCH2(GCC_WCSS5G_CLK, "gcc_wcss5g_clk", "wcss5g_clk_src",
611 	    0x1f00c, 0, 0, 0, 0x2000c, QCOM_CLK_BRANCH2_BRANCH_HALT,
612 	    false, QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
613 	F_BRANCH2(GCC_WCSS5G_REF_CLK, "gcc_wcss5g_ref_clk", "xo",
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_RTC_CLK, "gcc_wcss5g_rtc_clk", "gcc_sleep_clk_src",
617 	    0x1f010, 0, 0, 0, 0x20010, QCOM_CLK_BRANCH2_BRANCH_HALT,
618 	    false, 0),
619 
620 	F_BRANCH2(GCC_PCNOC_AHB_CLK, "pcnoc_clk_src", "gcc_pcnoc_ahb_clk_src",
621 	    0x21030, 0, 0, 0, 0x21030, QCOM_CLK_BRANCH2_BRANCH_HALT, false,
622 	    QCOM_CLK_BRANCH2_FLAGS_CRITICAL |
623 	    QCOM_CLK_BRANCH2_FLAGS_SET_RATE_PARENT),
624 };
625 
626 static void
627 qcom_gcc_ipq4018_clock_init_fepll(struct qcom_gcc_ipq4018_softc *sc)
628 {
629 	int i, rv;
630 
631 	for (i = 0; i < nitems(fepll_tbl); i++) {
632 		rv = qcom_clk_fepll_register(sc->clkdom, fepll_tbl + i);
633 		if (rv != 0)
634 			panic("qcom_clk_fepll_register failed");
635 	}
636 }
637 
638 static void
639 qcom_gcc_ipq4018_clock_init_fdiv(struct qcom_gcc_ipq4018_softc *sc)
640 {
641 	int i, rv;
642 
643 	for (i = 0; i < nitems(fdiv_tbl); i++) {
644 		rv = qcom_clk_fdiv_register(sc->clkdom, fdiv_tbl + i);
645 		if (rv != 0)
646 			panic("qcom_clk_fdiv_register failed");
647 	}
648 }
649 
650 static void
651 qcom_gcc_ipq4018_clock_init_apssdiv(struct qcom_gcc_ipq4018_softc *sc)
652 {
653 	int i, rv;
654 
655 	for (i = 0; i < nitems(apssdiv_tbl); i++) {
656 		rv = qcom_clk_apssdiv_register(sc->clkdom, apssdiv_tbl + i);
657 		if (rv != 0)
658 			panic("qcom_clk_apssdiv_register failed");
659 	}
660 }
661 
662 static void
663 qcom_gcc_ipq4018_clock_init_rcg2(struct qcom_gcc_ipq4018_softc *sc)
664 {
665 	int i, rv;
666 
667 	for (i = 0; i < nitems(rcg2_tbl); i++) {
668 		rv = qcom_clk_rcg2_register(sc->clkdom, rcg2_tbl + i);
669 		if (rv != 0)
670 			panic("qcom_clk_rcg2_register failed");
671 	}
672 }
673 
674 static void
675 qcom_gcc_ipq4018_clock_init_branch2(struct qcom_gcc_ipq4018_softc *sc)
676 {
677 	int i, rv;
678 
679 	for (i = 0; i < nitems(branch2_tbl); i++) {
680 		rv = qcom_clk_branch2_register(sc->clkdom, branch2_tbl + i);
681 		if (rv != 0)
682 			panic("qcom_clk_branch2_register failed");
683 	}
684 }
685 
686 static void
687 qcom_gcc_ipq4018_clock_init_ro_div(struct qcom_gcc_ipq4018_softc *sc)
688 {
689 	int i, rv;
690 
691 	for (i = 0; i < nitems(ro_div_tbl); i++) {
692 		rv = qcom_clk_ro_div_register(sc->clkdom, ro_div_tbl + i);
693 		if (rv != 0)
694 			panic("qcom_clk_ro_div_register failed");
695 	}
696 }
697 
698 int
699 qcom_gcc_ipq4018_clock_read(device_t dev, bus_addr_t addr, uint32_t *val)
700 {
701 	struct qcom_gcc_ipq4018_softc *sc;
702 
703 	sc = device_get_softc(dev);
704 	*val = bus_read_4(sc->reg, addr);
705 	return (0);
706 }
707 
708 int
709 qcom_gcc_ipq4018_clock_write(device_t dev, bus_addr_t addr, uint32_t val)
710 {
711 	struct qcom_gcc_ipq4018_softc *sc;
712 
713 	sc = device_get_softc(dev);
714 	bus_write_4(sc->reg, addr, val);
715 	return (0);
716 }
717 
718 int
719 qcom_gcc_ipq4018_clock_modify(device_t dev, bus_addr_t addr,
720      uint32_t clear_mask, uint32_t set_mask)
721 {
722 	struct qcom_gcc_ipq4018_softc *sc;
723 	uint32_t reg;
724 
725 	sc = device_get_softc(dev);
726 	reg = bus_read_4(sc->reg, addr);
727 	reg &= clear_mask;
728 	reg |= set_mask;
729 	bus_write_4(sc->reg, addr, reg);
730 	return (0);
731 }
732 
733 void
734 qcom_gcc_ipq4018_clock_setup(struct qcom_gcc_ipq4018_softc *sc)
735 {
736 
737 	sc->clkdom = clkdom_create(sc->dev);
738 
739 	/* Setup stuff */
740 	qcom_gcc_ipq4018_clock_init_fepll(sc);
741 	qcom_gcc_ipq4018_clock_init_fdiv(sc);
742 	qcom_gcc_ipq4018_clock_init_apssdiv(sc);
743 	qcom_gcc_ipq4018_clock_init_rcg2(sc);
744 	qcom_gcc_ipq4018_clock_init_branch2(sc);
745 	qcom_gcc_ipq4018_clock_init_ro_div(sc);
746 
747 	/* Finalise clock tree */
748 	clkdom_finit(sc->clkdom);
749 }
750 
751 void
752 qcom_gcc_ipq4018_clock_lock(device_t dev)
753 {
754 	struct qcom_gcc_ipq4018_softc *sc;
755 
756 	sc = device_get_softc(dev);
757 	mtx_lock(&sc->mtx);
758 }
759 
760 void
761 qcom_gcc_ipq4018_clock_unlock(device_t dev)
762 {
763 	struct qcom_gcc_ipq4018_softc *sc;
764 
765 	sc = device_get_softc(dev);
766 	mtx_unlock(&sc->mtx);
767 }
768