xref: /openbmc/linux/drivers/clk/ux500/u8500_of_clk.c (revision 4f727ece)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Clock definitions for u8500 platform.
4  *
5  * Copyright (C) 2012 ST-Ericsson SA
6  * Author: Ulf Hansson <ulf.hansson@linaro.org>
7  */
8 
9 #include <linux/of.h>
10 #include <linux/of_address.h>
11 #include <linux/clk-provider.h>
12 #include <linux/mfd/dbx500-prcmu.h>
13 #include "clk.h"
14 
15 #define PRCC_NUM_PERIPH_CLUSTERS 6
16 #define PRCC_PERIPHS_PER_CLUSTER 32
17 
18 static struct clk *prcmu_clk[PRCMU_NUM_CLKS];
19 static struct clk *prcc_pclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
20 static struct clk *prcc_kclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
21 
22 #define PRCC_SHOW(clk, base, bit) \
23 	clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit]
24 #define PRCC_PCLK_STORE(clk, base, bit)	\
25 	prcc_pclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
26 #define PRCC_KCLK_STORE(clk, base, bit)        \
27 	prcc_kclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
28 
29 static struct clk *ux500_twocell_get(struct of_phandle_args *clkspec,
30 				     void *data)
31 {
32 	struct clk **clk_data = data;
33 	unsigned int base, bit;
34 
35 	if (clkspec->args_count != 2)
36 		return  ERR_PTR(-EINVAL);
37 
38 	base = clkspec->args[0];
39 	bit = clkspec->args[1];
40 
41 	if (base != 1 && base != 2 && base != 3 && base != 5 && base != 6) {
42 		pr_err("%s: invalid PRCC base %d\n", __func__, base);
43 		return ERR_PTR(-EINVAL);
44 	}
45 
46 	return PRCC_SHOW(clk_data, base, bit);
47 }
48 
49 /* CLKRST4 is missing making it hard to index things */
50 enum clkrst_index {
51 	CLKRST1_INDEX = 0,
52 	CLKRST2_INDEX,
53 	CLKRST3_INDEX,
54 	CLKRST5_INDEX,
55 	CLKRST6_INDEX,
56 	CLKRST_MAX,
57 };
58 
59 static void u8500_clk_init(struct device_node *np)
60 {
61 	struct prcmu_fw_version *fw_version;
62 	struct device_node *child = NULL;
63 	const char *sgaclk_parent = NULL;
64 	struct clk *clk, *rtc_clk, *twd_clk;
65 	u32 bases[CLKRST_MAX];
66 	int i;
67 
68 	for (i = 0; i < ARRAY_SIZE(bases); i++) {
69 		struct resource r;
70 
71 		if (of_address_to_resource(np, i, &r))
72 			/* Not much choice but to continue */
73 			pr_err("failed to get CLKRST %d base address\n",
74 			       i + 1);
75 		bases[i] = r.start;
76 	}
77 
78 	/* Clock sources */
79 	clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
80 				CLK_IGNORE_UNUSED);
81 	prcmu_clk[PRCMU_PLLSOC0] = clk;
82 
83 	clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
84 				CLK_IGNORE_UNUSED);
85 	prcmu_clk[PRCMU_PLLSOC1] = clk;
86 
87 	clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
88 				CLK_IGNORE_UNUSED);
89 	prcmu_clk[PRCMU_PLLDDR] = clk;
90 
91 	/* FIXME: Add sys, ulp and int clocks here. */
92 
93 	rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
94 				CLK_IGNORE_UNUSED,
95 				32768);
96 
97 	/* PRCMU clocks */
98 	fw_version = prcmu_get_fw_version();
99 	if (fw_version != NULL) {
100 		switch (fw_version->project) {
101 		case PRCMU_FW_PROJECT_U8500_C2:
102 		case PRCMU_FW_PROJECT_U8520:
103 		case PRCMU_FW_PROJECT_U8420:
104 			sgaclk_parent = "soc0_pll";
105 			break;
106 		default:
107 			break;
108 		}
109 	}
110 
111 	if (sgaclk_parent)
112 		clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
113 					PRCMU_SGACLK, 0);
114 	else
115 		clk = clk_reg_prcmu_gate("sgclk", NULL, PRCMU_SGACLK, 0);
116 	prcmu_clk[PRCMU_SGACLK] = clk;
117 
118 	clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0);
119 	prcmu_clk[PRCMU_UARTCLK] = clk;
120 
121 	clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, 0);
122 	prcmu_clk[PRCMU_MSP02CLK] = clk;
123 
124 	clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0);
125 	prcmu_clk[PRCMU_MSP1CLK] = clk;
126 
127 	clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0);
128 	prcmu_clk[PRCMU_I2CCLK] = clk;
129 
130 	clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0);
131 	prcmu_clk[PRCMU_SLIMCLK] = clk;
132 
133 	clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0);
134 	prcmu_clk[PRCMU_PER1CLK] = clk;
135 
136 	clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0);
137 	prcmu_clk[PRCMU_PER2CLK] = clk;
138 
139 	clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0);
140 	prcmu_clk[PRCMU_PER3CLK] = clk;
141 
142 	clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0);
143 	prcmu_clk[PRCMU_PER5CLK] = clk;
144 
145 	clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0);
146 	prcmu_clk[PRCMU_PER6CLK] = clk;
147 
148 	clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0);
149 	prcmu_clk[PRCMU_PER7CLK] = clk;
150 
151 	clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
152 				CLK_SET_RATE_GATE);
153 	prcmu_clk[PRCMU_LCDCLK] = clk;
154 
155 	clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0);
156 	prcmu_clk[PRCMU_BMLCLK] = clk;
157 
158 	clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
159 				CLK_SET_RATE_GATE);
160 	prcmu_clk[PRCMU_HSITXCLK] = clk;
161 
162 	clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
163 				CLK_SET_RATE_GATE);
164 	prcmu_clk[PRCMU_HSIRXCLK] = clk;
165 
166 	clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
167 				CLK_SET_RATE_GATE);
168 	prcmu_clk[PRCMU_HDMICLK] = clk;
169 
170 	clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0);
171 	prcmu_clk[PRCMU_APEATCLK] = clk;
172 
173 	clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
174 				CLK_SET_RATE_GATE);
175 	prcmu_clk[PRCMU_APETRACECLK] = clk;
176 
177 	clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0);
178 	prcmu_clk[PRCMU_MCDECLK] = clk;
179 
180 	clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0);
181 	prcmu_clk[PRCMU_IPI2CCLK] = clk;
182 
183 	clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0);
184 	prcmu_clk[PRCMU_DSIALTCLK] = clk;
185 
186 	clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0);
187 	prcmu_clk[PRCMU_DMACLK] = clk;
188 
189 	clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0);
190 	prcmu_clk[PRCMU_B2R2CLK] = clk;
191 
192 	clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
193 				CLK_SET_RATE_GATE);
194 	prcmu_clk[PRCMU_TVCLK] = clk;
195 
196 	clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0);
197 	prcmu_clk[PRCMU_SSPCLK] = clk;
198 
199 	clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0);
200 	prcmu_clk[PRCMU_RNGCLK] = clk;
201 
202 	clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0);
203 	prcmu_clk[PRCMU_UICCCLK] = clk;
204 
205 	clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0);
206 	prcmu_clk[PRCMU_TIMCLK] = clk;
207 
208 	clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0);
209 	prcmu_clk[PRCMU_SYSCLK] = clk;
210 
211 	clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
212 					100000000, CLK_SET_RATE_GATE);
213 	prcmu_clk[PRCMU_SDMMCCLK] = clk;
214 
215 	clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
216 				PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
217 	prcmu_clk[PRCMU_PLLDSI] = clk;
218 
219 	clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
220 				PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
221 	prcmu_clk[PRCMU_DSI0CLK] = clk;
222 
223 	clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
224 				PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
225 	prcmu_clk[PRCMU_DSI1CLK] = clk;
226 
227 	clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
228 				PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
229 	prcmu_clk[PRCMU_DSI0ESCCLK] = clk;
230 
231 	clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
232 				PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
233 	prcmu_clk[PRCMU_DSI1ESCCLK] = clk;
234 
235 	clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
236 				PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
237 	prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
238 
239 	clk = clk_reg_prcmu_scalable_rate("armss", NULL,
240 				PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED);
241 	prcmu_clk[PRCMU_ARMSS] = clk;
242 
243 	twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
244 				CLK_IGNORE_UNUSED, 1, 2);
245 
246 	/*
247 	 * FIXME: Add special handled PRCMU clocks here:
248 	 * 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
249 	 * 2. ab9540_clkout1yuv, see clkout0yuv
250 	 */
251 
252 	/* PRCC P-clocks */
253 	clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", bases[CLKRST1_INDEX],
254 				BIT(0), 0);
255 	PRCC_PCLK_STORE(clk, 1, 0);
256 
257 	clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", bases[CLKRST1_INDEX],
258 				BIT(1), 0);
259 	PRCC_PCLK_STORE(clk, 1, 1);
260 
261 	clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", bases[CLKRST1_INDEX],
262 				BIT(2), 0);
263 	PRCC_PCLK_STORE(clk, 1, 2);
264 
265 	clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", bases[CLKRST1_INDEX],
266 				BIT(3), 0);
267 	PRCC_PCLK_STORE(clk, 1, 3);
268 
269 	clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", bases[CLKRST1_INDEX],
270 				BIT(4), 0);
271 	PRCC_PCLK_STORE(clk, 1, 4);
272 
273 	clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", bases[CLKRST1_INDEX],
274 				BIT(5), 0);
275 	PRCC_PCLK_STORE(clk, 1, 5);
276 
277 	clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", bases[CLKRST1_INDEX],
278 				BIT(6), 0);
279 	PRCC_PCLK_STORE(clk, 1, 6);
280 
281 	clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", bases[CLKRST1_INDEX],
282 				BIT(7), 0);
283 	PRCC_PCLK_STORE(clk, 1, 7);
284 
285 	clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", bases[CLKRST1_INDEX],
286 				BIT(8), 0);
287 	PRCC_PCLK_STORE(clk, 1, 8);
288 
289 	clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", bases[CLKRST1_INDEX],
290 				BIT(9), 0);
291 	PRCC_PCLK_STORE(clk, 1, 9);
292 
293 	clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", bases[CLKRST1_INDEX],
294 				BIT(10), 0);
295 	PRCC_PCLK_STORE(clk, 1, 10);
296 
297 	clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", bases[CLKRST1_INDEX],
298 				BIT(11), 0);
299 	PRCC_PCLK_STORE(clk, 1, 11);
300 
301 	clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", bases[CLKRST2_INDEX],
302 				BIT(0), 0);
303 	PRCC_PCLK_STORE(clk, 2, 0);
304 
305 	clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", bases[CLKRST2_INDEX],
306 				BIT(1), 0);
307 	PRCC_PCLK_STORE(clk, 2, 1);
308 
309 	clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", bases[CLKRST2_INDEX],
310 				BIT(2), 0);
311 	PRCC_PCLK_STORE(clk, 2, 2);
312 
313 	clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", bases[CLKRST2_INDEX],
314 				BIT(3), 0);
315 	PRCC_PCLK_STORE(clk, 2, 3);
316 
317 	clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", bases[CLKRST2_INDEX],
318 				BIT(4), 0);
319 	PRCC_PCLK_STORE(clk, 2, 4);
320 
321 	clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", bases[CLKRST2_INDEX],
322 				BIT(5), 0);
323 	PRCC_PCLK_STORE(clk, 2, 5);
324 
325 	clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", bases[CLKRST2_INDEX],
326 				BIT(6), 0);
327 	PRCC_PCLK_STORE(clk, 2, 6);
328 
329 	clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", bases[CLKRST2_INDEX],
330 				BIT(7), 0);
331 	PRCC_PCLK_STORE(clk, 2, 7);
332 
333 	clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", bases[CLKRST2_INDEX],
334 				BIT(8), 0);
335 	PRCC_PCLK_STORE(clk, 2, 8);
336 
337 	clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", bases[CLKRST2_INDEX],
338 				BIT(9), 0);
339 	PRCC_PCLK_STORE(clk, 2, 9);
340 
341 	clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", bases[CLKRST2_INDEX],
342 				BIT(10), 0);
343 	PRCC_PCLK_STORE(clk, 2, 10);
344 
345 	clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", bases[CLKRST2_INDEX],
346 				BIT(11), 0);
347 	PRCC_PCLK_STORE(clk, 2, 11);
348 
349 	clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", bases[CLKRST2_INDEX],
350 				BIT(12), 0);
351 	PRCC_PCLK_STORE(clk, 2, 12);
352 
353 	clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", bases[CLKRST3_INDEX],
354 				BIT(0), 0);
355 	PRCC_PCLK_STORE(clk, 3, 0);
356 
357 	clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", bases[CLKRST3_INDEX],
358 				BIT(1), 0);
359 	PRCC_PCLK_STORE(clk, 3, 1);
360 
361 	clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", bases[CLKRST3_INDEX],
362 				BIT(2), 0);
363 	PRCC_PCLK_STORE(clk, 3, 2);
364 
365 	clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", bases[CLKRST3_INDEX],
366 				BIT(3), 0);
367 	PRCC_PCLK_STORE(clk, 3, 3);
368 
369 	clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", bases[CLKRST3_INDEX],
370 				BIT(4), 0);
371 	PRCC_PCLK_STORE(clk, 3, 4);
372 
373 	clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", bases[CLKRST3_INDEX],
374 				BIT(5), 0);
375 	PRCC_PCLK_STORE(clk, 3, 5);
376 
377 	clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", bases[CLKRST3_INDEX],
378 				BIT(6), 0);
379 	PRCC_PCLK_STORE(clk, 3, 6);
380 
381 	clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", bases[CLKRST3_INDEX],
382 				BIT(7), 0);
383 	PRCC_PCLK_STORE(clk, 3, 7);
384 
385 	clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", bases[CLKRST3_INDEX],
386 				BIT(8), 0);
387 	PRCC_PCLK_STORE(clk, 3, 8);
388 
389 	clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", bases[CLKRST5_INDEX],
390 				BIT(0), 0);
391 	PRCC_PCLK_STORE(clk, 5, 0);
392 
393 	clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", bases[CLKRST5_INDEX],
394 				BIT(1), 0);
395 	PRCC_PCLK_STORE(clk, 5, 1);
396 
397 	clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", bases[CLKRST6_INDEX],
398 				BIT(0), 0);
399 	PRCC_PCLK_STORE(clk, 6, 0);
400 
401 	clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", bases[CLKRST6_INDEX],
402 				BIT(1), 0);
403 	PRCC_PCLK_STORE(clk, 6, 1);
404 
405 	clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", bases[CLKRST6_INDEX],
406 				BIT(2), 0);
407 	PRCC_PCLK_STORE(clk, 6, 2);
408 
409 	clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", bases[CLKRST6_INDEX],
410 				BIT(3), 0);
411 	PRCC_PCLK_STORE(clk, 6, 3);
412 
413 	clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", bases[CLKRST6_INDEX],
414 				BIT(4), 0);
415 	PRCC_PCLK_STORE(clk, 6, 4);
416 
417 	clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", bases[CLKRST6_INDEX],
418 				BIT(5), 0);
419 	PRCC_PCLK_STORE(clk, 6, 5);
420 
421 	clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", bases[CLKRST6_INDEX],
422 				BIT(6), 0);
423 	PRCC_PCLK_STORE(clk, 6, 6);
424 
425 	clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", bases[CLKRST6_INDEX],
426 				BIT(7), 0);
427 	PRCC_PCLK_STORE(clk, 6, 7);
428 
429 	/* PRCC K-clocks
430 	 *
431 	 * FIXME: Some drivers requires PERPIH[n| to be automatically enabled
432 	 * by enabling just the K-clock, even if it is not a valid parent to
433 	 * the K-clock. Until drivers get fixed we might need some kind of
434 	 * "parent muxed join".
435 	 */
436 
437 	/* Periph1 */
438 	clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
439 			bases[CLKRST1_INDEX], BIT(0), CLK_SET_RATE_GATE);
440 	PRCC_KCLK_STORE(clk, 1, 0);
441 
442 	clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
443 			bases[CLKRST1_INDEX], BIT(1), CLK_SET_RATE_GATE);
444 	PRCC_KCLK_STORE(clk, 1, 1);
445 
446 	clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
447 			bases[CLKRST1_INDEX], BIT(2), CLK_SET_RATE_GATE);
448 	PRCC_KCLK_STORE(clk, 1, 2);
449 
450 	clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
451 			bases[CLKRST1_INDEX], BIT(3), CLK_SET_RATE_GATE);
452 	PRCC_KCLK_STORE(clk, 1, 3);
453 
454 	clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
455 			bases[CLKRST1_INDEX], BIT(4), CLK_SET_RATE_GATE);
456 	PRCC_KCLK_STORE(clk, 1, 4);
457 
458 	clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
459 			bases[CLKRST1_INDEX], BIT(5), CLK_SET_RATE_GATE);
460 	PRCC_KCLK_STORE(clk, 1, 5);
461 
462 	clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
463 			bases[CLKRST1_INDEX], BIT(6), CLK_SET_RATE_GATE);
464 	PRCC_KCLK_STORE(clk, 1, 6);
465 
466 	clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
467 			bases[CLKRST1_INDEX], BIT(8), CLK_SET_RATE_GATE);
468 	PRCC_KCLK_STORE(clk, 1, 8);
469 
470 	clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
471 			bases[CLKRST1_INDEX], BIT(9), CLK_SET_RATE_GATE);
472 	PRCC_KCLK_STORE(clk, 1, 9);
473 
474 	clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
475 			bases[CLKRST1_INDEX], BIT(10), CLK_SET_RATE_GATE);
476 	PRCC_KCLK_STORE(clk, 1, 10);
477 
478 	/* Periph2 */
479 	clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
480 			bases[CLKRST2_INDEX], BIT(0), CLK_SET_RATE_GATE);
481 	PRCC_KCLK_STORE(clk, 2, 0);
482 
483 	clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
484 			bases[CLKRST2_INDEX], BIT(2), CLK_SET_RATE_GATE);
485 	PRCC_KCLK_STORE(clk, 2, 2);
486 
487 	clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
488 			bases[CLKRST2_INDEX], BIT(3), CLK_SET_RATE_GATE);
489 	PRCC_KCLK_STORE(clk, 2, 3);
490 
491 	clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
492 			bases[CLKRST2_INDEX], BIT(4), CLK_SET_RATE_GATE);
493 	PRCC_KCLK_STORE(clk, 2, 4);
494 
495 	clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
496 			bases[CLKRST2_INDEX], BIT(5), CLK_SET_RATE_GATE);
497 	PRCC_KCLK_STORE(clk, 2, 5);
498 
499 	/* Note that rate is received from parent. */
500 	clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
501 			bases[CLKRST2_INDEX], BIT(6),
502 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
503 	PRCC_KCLK_STORE(clk, 2, 6);
504 
505 	clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
506 			bases[CLKRST2_INDEX], BIT(7),
507 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
508 	PRCC_KCLK_STORE(clk, 2, 7);
509 
510 	/* Periph3 */
511 	clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
512 			bases[CLKRST3_INDEX], BIT(1), CLK_SET_RATE_GATE);
513 	PRCC_KCLK_STORE(clk, 3, 1);
514 
515 	clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
516 			bases[CLKRST3_INDEX], BIT(2), CLK_SET_RATE_GATE);
517 	PRCC_KCLK_STORE(clk, 3, 2);
518 
519 	clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
520 			bases[CLKRST3_INDEX], BIT(3), CLK_SET_RATE_GATE);
521 	PRCC_KCLK_STORE(clk, 3, 3);
522 
523 	clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
524 			bases[CLKRST3_INDEX], BIT(4), CLK_SET_RATE_GATE);
525 	PRCC_KCLK_STORE(clk, 3, 4);
526 
527 	clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
528 			bases[CLKRST3_INDEX], BIT(5), CLK_SET_RATE_GATE);
529 	PRCC_KCLK_STORE(clk, 3, 5);
530 
531 	clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
532 			bases[CLKRST3_INDEX], BIT(6), CLK_SET_RATE_GATE);
533 	PRCC_KCLK_STORE(clk, 3, 6);
534 
535 	clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
536 			bases[CLKRST3_INDEX], BIT(7), CLK_SET_RATE_GATE);
537 	PRCC_KCLK_STORE(clk, 3, 7);
538 
539 	/* Periph6 */
540 	clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
541 			bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE);
542 	PRCC_KCLK_STORE(clk, 6, 0);
543 
544 	for_each_child_of_node(np, child) {
545 		static struct clk_onecell_data clk_data;
546 
547 		if (of_node_name_eq(child, "prcmu-clock")) {
548 			clk_data.clks = prcmu_clk;
549 			clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
550 			of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
551 		}
552 		if (of_node_name_eq(child, "prcc-periph-clock"))
553 			of_clk_add_provider(child, ux500_twocell_get, prcc_pclk);
554 
555 		if (of_node_name_eq(child, "prcc-kernel-clock"))
556 			of_clk_add_provider(child, ux500_twocell_get, prcc_kclk);
557 
558 		if (of_node_name_eq(child, "rtc32k-clock"))
559 			of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
560 
561 		if (of_node_name_eq(child, "smp-twd-clock"))
562 			of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
563 	}
564 }
565 CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init);
566