xref: /openbmc/linux/drivers/clk/ux500/u8500_of_clk.c (revision 791d3ef2)
1 /*
2  * Clock definitions for u8500 platform.
3  *
4  * Copyright (C) 2012 ST-Ericsson SA
5  * Author: Ulf Hansson <ulf.hansson@linaro.org>
6  *
7  * License terms: GNU General Public License (GPL) version 2
8  */
9 
10 #include <linux/of.h>
11 #include <linux/of_address.h>
12 #include <linux/clk-provider.h>
13 #include <linux/mfd/dbx500-prcmu.h>
14 #include "clk.h"
15 
16 #define PRCC_NUM_PERIPH_CLUSTERS 6
17 #define PRCC_PERIPHS_PER_CLUSTER 32
18 
19 static struct clk *prcmu_clk[PRCMU_NUM_CLKS];
20 static struct clk *prcc_pclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
21 static struct clk *prcc_kclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
22 
23 #define PRCC_SHOW(clk, base, bit) \
24 	clk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit]
25 #define PRCC_PCLK_STORE(clk, base, bit)	\
26 	prcc_pclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
27 #define PRCC_KCLK_STORE(clk, base, bit)        \
28 	prcc_kclk[(base * PRCC_PERIPHS_PER_CLUSTER) + bit] = clk
29 
30 static struct clk *ux500_twocell_get(struct of_phandle_args *clkspec,
31 				     void *data)
32 {
33 	struct clk **clk_data = data;
34 	unsigned int base, bit;
35 
36 	if (clkspec->args_count != 2)
37 		return  ERR_PTR(-EINVAL);
38 
39 	base = clkspec->args[0];
40 	bit = clkspec->args[1];
41 
42 	if (base != 1 && base != 2 && base != 3 && base != 5 && base != 6) {
43 		pr_err("%s: invalid PRCC base %d\n", __func__, base);
44 		return ERR_PTR(-EINVAL);
45 	}
46 
47 	return PRCC_SHOW(clk_data, base, bit);
48 }
49 
50 /* CLKRST4 is missing making it hard to index things */
51 enum clkrst_index {
52 	CLKRST1_INDEX = 0,
53 	CLKRST2_INDEX,
54 	CLKRST3_INDEX,
55 	CLKRST5_INDEX,
56 	CLKRST6_INDEX,
57 	CLKRST_MAX,
58 };
59 
60 static void u8500_clk_init(struct device_node *np)
61 {
62 	struct prcmu_fw_version *fw_version;
63 	struct device_node *child = NULL;
64 	const char *sgaclk_parent = NULL;
65 	struct clk *clk, *rtc_clk, *twd_clk;
66 	u32 bases[CLKRST_MAX];
67 	int i;
68 
69 	for (i = 0; i < ARRAY_SIZE(bases); i++) {
70 		struct resource r;
71 
72 		if (of_address_to_resource(np, i, &r))
73 			/* Not much choice but to continue */
74 			pr_err("failed to get CLKRST %d base address\n",
75 			       i + 1);
76 		bases[i] = r.start;
77 	}
78 
79 	/* Clock sources */
80 	clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
81 				CLK_IGNORE_UNUSED);
82 	prcmu_clk[PRCMU_PLLSOC0] = clk;
83 
84 	clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
85 				CLK_IGNORE_UNUSED);
86 	prcmu_clk[PRCMU_PLLSOC1] = clk;
87 
88 	clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
89 				CLK_IGNORE_UNUSED);
90 	prcmu_clk[PRCMU_PLLDDR] = clk;
91 
92 	/* FIXME: Add sys, ulp and int clocks here. */
93 
94 	rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
95 				CLK_IGNORE_UNUSED,
96 				32768);
97 
98 	/* PRCMU clocks */
99 	fw_version = prcmu_get_fw_version();
100 	if (fw_version != NULL) {
101 		switch (fw_version->project) {
102 		case PRCMU_FW_PROJECT_U8500_C2:
103 		case PRCMU_FW_PROJECT_U8520:
104 		case PRCMU_FW_PROJECT_U8420:
105 			sgaclk_parent = "soc0_pll";
106 			break;
107 		default:
108 			break;
109 		}
110 	}
111 
112 	if (sgaclk_parent)
113 		clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
114 					PRCMU_SGACLK, 0);
115 	else
116 		clk = clk_reg_prcmu_gate("sgclk", NULL, PRCMU_SGACLK, 0);
117 	prcmu_clk[PRCMU_SGACLK] = clk;
118 
119 	clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0);
120 	prcmu_clk[PRCMU_UARTCLK] = clk;
121 
122 	clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, 0);
123 	prcmu_clk[PRCMU_MSP02CLK] = clk;
124 
125 	clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0);
126 	prcmu_clk[PRCMU_MSP1CLK] = clk;
127 
128 	clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0);
129 	prcmu_clk[PRCMU_I2CCLK] = clk;
130 
131 	clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0);
132 	prcmu_clk[PRCMU_SLIMCLK] = clk;
133 
134 	clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0);
135 	prcmu_clk[PRCMU_PER1CLK] = clk;
136 
137 	clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0);
138 	prcmu_clk[PRCMU_PER2CLK] = clk;
139 
140 	clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0);
141 	prcmu_clk[PRCMU_PER3CLK] = clk;
142 
143 	clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0);
144 	prcmu_clk[PRCMU_PER5CLK] = clk;
145 
146 	clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0);
147 	prcmu_clk[PRCMU_PER6CLK] = clk;
148 
149 	clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0);
150 	prcmu_clk[PRCMU_PER7CLK] = clk;
151 
152 	clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
153 				CLK_SET_RATE_GATE);
154 	prcmu_clk[PRCMU_LCDCLK] = clk;
155 
156 	clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0);
157 	prcmu_clk[PRCMU_BMLCLK] = clk;
158 
159 	clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
160 				CLK_SET_RATE_GATE);
161 	prcmu_clk[PRCMU_HSITXCLK] = clk;
162 
163 	clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
164 				CLK_SET_RATE_GATE);
165 	prcmu_clk[PRCMU_HSIRXCLK] = clk;
166 
167 	clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
168 				CLK_SET_RATE_GATE);
169 	prcmu_clk[PRCMU_HDMICLK] = clk;
170 
171 	clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0);
172 	prcmu_clk[PRCMU_APEATCLK] = clk;
173 
174 	clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
175 				CLK_SET_RATE_GATE);
176 	prcmu_clk[PRCMU_APETRACECLK] = clk;
177 
178 	clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0);
179 	prcmu_clk[PRCMU_MCDECLK] = clk;
180 
181 	clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0);
182 	prcmu_clk[PRCMU_IPI2CCLK] = clk;
183 
184 	clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0);
185 	prcmu_clk[PRCMU_DSIALTCLK] = clk;
186 
187 	clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0);
188 	prcmu_clk[PRCMU_DMACLK] = clk;
189 
190 	clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0);
191 	prcmu_clk[PRCMU_B2R2CLK] = clk;
192 
193 	clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
194 				CLK_SET_RATE_GATE);
195 	prcmu_clk[PRCMU_TVCLK] = clk;
196 
197 	clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0);
198 	prcmu_clk[PRCMU_SSPCLK] = clk;
199 
200 	clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0);
201 	prcmu_clk[PRCMU_RNGCLK] = clk;
202 
203 	clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0);
204 	prcmu_clk[PRCMU_UICCCLK] = clk;
205 
206 	clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0);
207 	prcmu_clk[PRCMU_TIMCLK] = clk;
208 
209 	clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0);
210 	prcmu_clk[PRCMU_SYSCLK] = clk;
211 
212 	clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
213 					100000000, CLK_SET_RATE_GATE);
214 	prcmu_clk[PRCMU_SDMMCCLK] = clk;
215 
216 	clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
217 				PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
218 	prcmu_clk[PRCMU_PLLDSI] = clk;
219 
220 	clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
221 				PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
222 	prcmu_clk[PRCMU_DSI0CLK] = clk;
223 
224 	clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
225 				PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
226 	prcmu_clk[PRCMU_DSI1CLK] = clk;
227 
228 	clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
229 				PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
230 	prcmu_clk[PRCMU_DSI0ESCCLK] = clk;
231 
232 	clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
233 				PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
234 	prcmu_clk[PRCMU_DSI1ESCCLK] = clk;
235 
236 	clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
237 				PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
238 	prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
239 
240 	clk = clk_reg_prcmu_scalable_rate("armss", NULL,
241 				PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED);
242 	prcmu_clk[PRCMU_ARMSS] = clk;
243 
244 	twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
245 				CLK_IGNORE_UNUSED, 1, 2);
246 
247 	/*
248 	 * FIXME: Add special handled PRCMU clocks here:
249 	 * 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
250 	 * 2. ab9540_clkout1yuv, see clkout0yuv
251 	 */
252 
253 	/* PRCC P-clocks */
254 	clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", bases[CLKRST1_INDEX],
255 				BIT(0), 0);
256 	PRCC_PCLK_STORE(clk, 1, 0);
257 
258 	clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", bases[CLKRST1_INDEX],
259 				BIT(1), 0);
260 	PRCC_PCLK_STORE(clk, 1, 1);
261 
262 	clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", bases[CLKRST1_INDEX],
263 				BIT(2), 0);
264 	PRCC_PCLK_STORE(clk, 1, 2);
265 
266 	clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", bases[CLKRST1_INDEX],
267 				BIT(3), 0);
268 	PRCC_PCLK_STORE(clk, 1, 3);
269 
270 	clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", bases[CLKRST1_INDEX],
271 				BIT(4), 0);
272 	PRCC_PCLK_STORE(clk, 1, 4);
273 
274 	clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", bases[CLKRST1_INDEX],
275 				BIT(5), 0);
276 	PRCC_PCLK_STORE(clk, 1, 5);
277 
278 	clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", bases[CLKRST1_INDEX],
279 				BIT(6), 0);
280 	PRCC_PCLK_STORE(clk, 1, 6);
281 
282 	clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", bases[CLKRST1_INDEX],
283 				BIT(7), 0);
284 	PRCC_PCLK_STORE(clk, 1, 7);
285 
286 	clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", bases[CLKRST1_INDEX],
287 				BIT(8), 0);
288 	PRCC_PCLK_STORE(clk, 1, 8);
289 
290 	clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", bases[CLKRST1_INDEX],
291 				BIT(9), 0);
292 	PRCC_PCLK_STORE(clk, 1, 9);
293 
294 	clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", bases[CLKRST1_INDEX],
295 				BIT(10), 0);
296 	PRCC_PCLK_STORE(clk, 1, 10);
297 
298 	clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", bases[CLKRST1_INDEX],
299 				BIT(11), 0);
300 	PRCC_PCLK_STORE(clk, 1, 11);
301 
302 	clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", bases[CLKRST2_INDEX],
303 				BIT(0), 0);
304 	PRCC_PCLK_STORE(clk, 2, 0);
305 
306 	clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", bases[CLKRST2_INDEX],
307 				BIT(1), 0);
308 	PRCC_PCLK_STORE(clk, 2, 1);
309 
310 	clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", bases[CLKRST2_INDEX],
311 				BIT(2), 0);
312 	PRCC_PCLK_STORE(clk, 2, 2);
313 
314 	clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", bases[CLKRST2_INDEX],
315 				BIT(3), 0);
316 	PRCC_PCLK_STORE(clk, 2, 3);
317 
318 	clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", bases[CLKRST2_INDEX],
319 				BIT(4), 0);
320 	PRCC_PCLK_STORE(clk, 2, 4);
321 
322 	clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", bases[CLKRST2_INDEX],
323 				BIT(5), 0);
324 	PRCC_PCLK_STORE(clk, 2, 5);
325 
326 	clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", bases[CLKRST2_INDEX],
327 				BIT(6), 0);
328 	PRCC_PCLK_STORE(clk, 2, 6);
329 
330 	clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", bases[CLKRST2_INDEX],
331 				BIT(7), 0);
332 	PRCC_PCLK_STORE(clk, 2, 7);
333 
334 	clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", bases[CLKRST2_INDEX],
335 				BIT(8), 0);
336 	PRCC_PCLK_STORE(clk, 2, 8);
337 
338 	clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", bases[CLKRST2_INDEX],
339 				BIT(9), 0);
340 	PRCC_PCLK_STORE(clk, 2, 9);
341 
342 	clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", bases[CLKRST2_INDEX],
343 				BIT(10), 0);
344 	PRCC_PCLK_STORE(clk, 2, 10);
345 
346 	clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", bases[CLKRST2_INDEX],
347 				BIT(11), 0);
348 	PRCC_PCLK_STORE(clk, 2, 11);
349 
350 	clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", bases[CLKRST2_INDEX],
351 				BIT(12), 0);
352 	PRCC_PCLK_STORE(clk, 2, 12);
353 
354 	clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", bases[CLKRST3_INDEX],
355 				BIT(0), 0);
356 	PRCC_PCLK_STORE(clk, 3, 0);
357 
358 	clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", bases[CLKRST3_INDEX],
359 				BIT(1), 0);
360 	PRCC_PCLK_STORE(clk, 3, 1);
361 
362 	clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", bases[CLKRST3_INDEX],
363 				BIT(2), 0);
364 	PRCC_PCLK_STORE(clk, 3, 2);
365 
366 	clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", bases[CLKRST3_INDEX],
367 				BIT(3), 0);
368 	PRCC_PCLK_STORE(clk, 3, 3);
369 
370 	clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", bases[CLKRST3_INDEX],
371 				BIT(4), 0);
372 	PRCC_PCLK_STORE(clk, 3, 4);
373 
374 	clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", bases[CLKRST3_INDEX],
375 				BIT(5), 0);
376 	PRCC_PCLK_STORE(clk, 3, 5);
377 
378 	clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", bases[CLKRST3_INDEX],
379 				BIT(6), 0);
380 	PRCC_PCLK_STORE(clk, 3, 6);
381 
382 	clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", bases[CLKRST3_INDEX],
383 				BIT(7), 0);
384 	PRCC_PCLK_STORE(clk, 3, 7);
385 
386 	clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", bases[CLKRST3_INDEX],
387 				BIT(8), 0);
388 	PRCC_PCLK_STORE(clk, 3, 8);
389 
390 	clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", bases[CLKRST5_INDEX],
391 				BIT(0), 0);
392 	PRCC_PCLK_STORE(clk, 5, 0);
393 
394 	clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", bases[CLKRST5_INDEX],
395 				BIT(1), 0);
396 	PRCC_PCLK_STORE(clk, 5, 1);
397 
398 	clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", bases[CLKRST6_INDEX],
399 				BIT(0), 0);
400 	PRCC_PCLK_STORE(clk, 6, 0);
401 
402 	clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", bases[CLKRST6_INDEX],
403 				BIT(1), 0);
404 	PRCC_PCLK_STORE(clk, 6, 1);
405 
406 	clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", bases[CLKRST6_INDEX],
407 				BIT(2), 0);
408 	PRCC_PCLK_STORE(clk, 6, 2);
409 
410 	clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", bases[CLKRST6_INDEX],
411 				BIT(3), 0);
412 	PRCC_PCLK_STORE(clk, 6, 3);
413 
414 	clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", bases[CLKRST6_INDEX],
415 				BIT(4), 0);
416 	PRCC_PCLK_STORE(clk, 6, 4);
417 
418 	clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", bases[CLKRST6_INDEX],
419 				BIT(5), 0);
420 	PRCC_PCLK_STORE(clk, 6, 5);
421 
422 	clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", bases[CLKRST6_INDEX],
423 				BIT(6), 0);
424 	PRCC_PCLK_STORE(clk, 6, 6);
425 
426 	clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", bases[CLKRST6_INDEX],
427 				BIT(7), 0);
428 	PRCC_PCLK_STORE(clk, 6, 7);
429 
430 	/* PRCC K-clocks
431 	 *
432 	 * FIXME: Some drivers requires PERPIH[n| to be automatically enabled
433 	 * by enabling just the K-clock, even if it is not a valid parent to
434 	 * the K-clock. Until drivers get fixed we might need some kind of
435 	 * "parent muxed join".
436 	 */
437 
438 	/* Periph1 */
439 	clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
440 			bases[CLKRST1_INDEX], BIT(0), CLK_SET_RATE_GATE);
441 	PRCC_KCLK_STORE(clk, 1, 0);
442 
443 	clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
444 			bases[CLKRST1_INDEX], BIT(1), CLK_SET_RATE_GATE);
445 	PRCC_KCLK_STORE(clk, 1, 1);
446 
447 	clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
448 			bases[CLKRST1_INDEX], BIT(2), CLK_SET_RATE_GATE);
449 	PRCC_KCLK_STORE(clk, 1, 2);
450 
451 	clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
452 			bases[CLKRST1_INDEX], BIT(3), CLK_SET_RATE_GATE);
453 	PRCC_KCLK_STORE(clk, 1, 3);
454 
455 	clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
456 			bases[CLKRST1_INDEX], BIT(4), CLK_SET_RATE_GATE);
457 	PRCC_KCLK_STORE(clk, 1, 4);
458 
459 	clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
460 			bases[CLKRST1_INDEX], BIT(5), CLK_SET_RATE_GATE);
461 	PRCC_KCLK_STORE(clk, 1, 5);
462 
463 	clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
464 			bases[CLKRST1_INDEX], BIT(6), CLK_SET_RATE_GATE);
465 	PRCC_KCLK_STORE(clk, 1, 6);
466 
467 	clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
468 			bases[CLKRST1_INDEX], BIT(8), CLK_SET_RATE_GATE);
469 	PRCC_KCLK_STORE(clk, 1, 8);
470 
471 	clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
472 			bases[CLKRST1_INDEX], BIT(9), CLK_SET_RATE_GATE);
473 	PRCC_KCLK_STORE(clk, 1, 9);
474 
475 	clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
476 			bases[CLKRST1_INDEX], BIT(10), CLK_SET_RATE_GATE);
477 	PRCC_KCLK_STORE(clk, 1, 10);
478 
479 	/* Periph2 */
480 	clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
481 			bases[CLKRST2_INDEX], BIT(0), CLK_SET_RATE_GATE);
482 	PRCC_KCLK_STORE(clk, 2, 0);
483 
484 	clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
485 			bases[CLKRST2_INDEX], BIT(2), CLK_SET_RATE_GATE);
486 	PRCC_KCLK_STORE(clk, 2, 2);
487 
488 	clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
489 			bases[CLKRST2_INDEX], BIT(3), CLK_SET_RATE_GATE);
490 	PRCC_KCLK_STORE(clk, 2, 3);
491 
492 	clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
493 			bases[CLKRST2_INDEX], BIT(4), CLK_SET_RATE_GATE);
494 	PRCC_KCLK_STORE(clk, 2, 4);
495 
496 	clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
497 			bases[CLKRST2_INDEX], BIT(5), CLK_SET_RATE_GATE);
498 	PRCC_KCLK_STORE(clk, 2, 5);
499 
500 	/* Note that rate is received from parent. */
501 	clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
502 			bases[CLKRST2_INDEX], BIT(6),
503 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
504 	PRCC_KCLK_STORE(clk, 2, 6);
505 
506 	clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
507 			bases[CLKRST2_INDEX], BIT(7),
508 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
509 	PRCC_KCLK_STORE(clk, 2, 7);
510 
511 	/* Periph3 */
512 	clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
513 			bases[CLKRST3_INDEX], BIT(1), CLK_SET_RATE_GATE);
514 	PRCC_KCLK_STORE(clk, 3, 1);
515 
516 	clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
517 			bases[CLKRST3_INDEX], BIT(2), CLK_SET_RATE_GATE);
518 	PRCC_KCLK_STORE(clk, 3, 2);
519 
520 	clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
521 			bases[CLKRST3_INDEX], BIT(3), CLK_SET_RATE_GATE);
522 	PRCC_KCLK_STORE(clk, 3, 3);
523 
524 	clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
525 			bases[CLKRST3_INDEX], BIT(4), CLK_SET_RATE_GATE);
526 	PRCC_KCLK_STORE(clk, 3, 4);
527 
528 	clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
529 			bases[CLKRST3_INDEX], BIT(5), CLK_SET_RATE_GATE);
530 	PRCC_KCLK_STORE(clk, 3, 5);
531 
532 	clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
533 			bases[CLKRST3_INDEX], BIT(6), CLK_SET_RATE_GATE);
534 	PRCC_KCLK_STORE(clk, 3, 6);
535 
536 	clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
537 			bases[CLKRST3_INDEX], BIT(7), CLK_SET_RATE_GATE);
538 	PRCC_KCLK_STORE(clk, 3, 7);
539 
540 	/* Periph6 */
541 	clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
542 			bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE);
543 	PRCC_KCLK_STORE(clk, 6, 0);
544 
545 	for_each_child_of_node(np, child) {
546 		static struct clk_onecell_data clk_data;
547 
548 		if (!of_node_cmp(child->name, "prcmu-clock")) {
549 			clk_data.clks = prcmu_clk;
550 			clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
551 			of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
552 		}
553 		if (!of_node_cmp(child->name, "prcc-periph-clock"))
554 			of_clk_add_provider(child, ux500_twocell_get, prcc_pclk);
555 
556 		if (!of_node_cmp(child->name, "prcc-kernel-clock"))
557 			of_clk_add_provider(child, ux500_twocell_get, prcc_kclk);
558 
559 		if (!of_node_cmp(child->name, "rtc32k-clock"))
560 			of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
561 
562 		if (!of_node_cmp(child->name, "smp-twd-clock"))
563 			of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
564 	}
565 }
566 CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init);
567