xref: /openbmc/linux/drivers/clk/ux500/u8500_of_clk.c (revision e7bae9bb)
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_U8500_MBL:
103 		case PRCMU_FW_PROJECT_U8520:
104 		case PRCMU_FW_PROJECT_U8420:
105 		case PRCMU_FW_PROJECT_U8420_SYSCLK:
106 			sgaclk_parent = "soc0_pll";
107 			break;
108 		default:
109 			break;
110 		}
111 	}
112 
113 	if (sgaclk_parent)
114 		clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
115 					PRCMU_SGACLK, 0);
116 	else
117 		clk = clk_reg_prcmu_gate("sgclk", NULL, PRCMU_SGACLK, 0);
118 	prcmu_clk[PRCMU_SGACLK] = clk;
119 
120 	clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0);
121 	prcmu_clk[PRCMU_UARTCLK] = clk;
122 
123 	clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, 0);
124 	prcmu_clk[PRCMU_MSP02CLK] = clk;
125 
126 	clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0);
127 	prcmu_clk[PRCMU_MSP1CLK] = clk;
128 
129 	clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0);
130 	prcmu_clk[PRCMU_I2CCLK] = clk;
131 
132 	clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0);
133 	prcmu_clk[PRCMU_SLIMCLK] = clk;
134 
135 	clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0);
136 	prcmu_clk[PRCMU_PER1CLK] = clk;
137 
138 	clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0);
139 	prcmu_clk[PRCMU_PER2CLK] = clk;
140 
141 	clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0);
142 	prcmu_clk[PRCMU_PER3CLK] = clk;
143 
144 	clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0);
145 	prcmu_clk[PRCMU_PER5CLK] = clk;
146 
147 	clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0);
148 	prcmu_clk[PRCMU_PER6CLK] = clk;
149 
150 	clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0);
151 	prcmu_clk[PRCMU_PER7CLK] = clk;
152 
153 	clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
154 				CLK_SET_RATE_GATE);
155 	prcmu_clk[PRCMU_LCDCLK] = clk;
156 
157 	clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0);
158 	prcmu_clk[PRCMU_BMLCLK] = clk;
159 
160 	clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
161 				CLK_SET_RATE_GATE);
162 	prcmu_clk[PRCMU_HSITXCLK] = clk;
163 
164 	clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
165 				CLK_SET_RATE_GATE);
166 	prcmu_clk[PRCMU_HSIRXCLK] = clk;
167 
168 	clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
169 				CLK_SET_RATE_GATE);
170 	prcmu_clk[PRCMU_HDMICLK] = clk;
171 
172 	clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0);
173 	prcmu_clk[PRCMU_APEATCLK] = clk;
174 
175 	clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
176 				CLK_SET_RATE_GATE);
177 	prcmu_clk[PRCMU_APETRACECLK] = clk;
178 
179 	clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0);
180 	prcmu_clk[PRCMU_MCDECLK] = clk;
181 
182 	clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0);
183 	prcmu_clk[PRCMU_IPI2CCLK] = clk;
184 
185 	clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0);
186 	prcmu_clk[PRCMU_DSIALTCLK] = clk;
187 
188 	clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0);
189 	prcmu_clk[PRCMU_DMACLK] = clk;
190 
191 	clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0);
192 	prcmu_clk[PRCMU_B2R2CLK] = clk;
193 
194 	clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
195 				CLK_SET_RATE_GATE);
196 	prcmu_clk[PRCMU_TVCLK] = clk;
197 
198 	clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0);
199 	prcmu_clk[PRCMU_SSPCLK] = clk;
200 
201 	clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0);
202 	prcmu_clk[PRCMU_RNGCLK] = clk;
203 
204 	clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0);
205 	prcmu_clk[PRCMU_UICCCLK] = clk;
206 
207 	clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0);
208 	prcmu_clk[PRCMU_TIMCLK] = clk;
209 
210 	clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0);
211 	prcmu_clk[PRCMU_SYSCLK] = clk;
212 
213 	clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
214 					100000000, CLK_SET_RATE_GATE);
215 	prcmu_clk[PRCMU_SDMMCCLK] = clk;
216 
217 	clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
218 				PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
219 	prcmu_clk[PRCMU_PLLDSI] = clk;
220 
221 	clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
222 				PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
223 	prcmu_clk[PRCMU_DSI0CLK] = clk;
224 
225 	clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
226 				PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
227 	prcmu_clk[PRCMU_DSI1CLK] = clk;
228 
229 	clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
230 				PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
231 	prcmu_clk[PRCMU_DSI0ESCCLK] = clk;
232 
233 	clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
234 				PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
235 	prcmu_clk[PRCMU_DSI1ESCCLK] = clk;
236 
237 	clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
238 				PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
239 	prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
240 
241 	clk = clk_reg_prcmu_scalable_rate("armss", NULL,
242 				PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED);
243 	prcmu_clk[PRCMU_ARMSS] = clk;
244 
245 	twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
246 				CLK_IGNORE_UNUSED, 1, 2);
247 
248 	/*
249 	 * FIXME: Add special handled PRCMU clocks here:
250 	 * 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
251 	 * 2. ab9540_clkout1yuv, see clkout0yuv
252 	 */
253 
254 	/* PRCC P-clocks */
255 	clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", bases[CLKRST1_INDEX],
256 				BIT(0), 0);
257 	PRCC_PCLK_STORE(clk, 1, 0);
258 
259 	clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", bases[CLKRST1_INDEX],
260 				BIT(1), 0);
261 	PRCC_PCLK_STORE(clk, 1, 1);
262 
263 	clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", bases[CLKRST1_INDEX],
264 				BIT(2), 0);
265 	PRCC_PCLK_STORE(clk, 1, 2);
266 
267 	clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", bases[CLKRST1_INDEX],
268 				BIT(3), 0);
269 	PRCC_PCLK_STORE(clk, 1, 3);
270 
271 	clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", bases[CLKRST1_INDEX],
272 				BIT(4), 0);
273 	PRCC_PCLK_STORE(clk, 1, 4);
274 
275 	clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", bases[CLKRST1_INDEX],
276 				BIT(5), 0);
277 	PRCC_PCLK_STORE(clk, 1, 5);
278 
279 	clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", bases[CLKRST1_INDEX],
280 				BIT(6), 0);
281 	PRCC_PCLK_STORE(clk, 1, 6);
282 
283 	clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", bases[CLKRST1_INDEX],
284 				BIT(7), 0);
285 	PRCC_PCLK_STORE(clk, 1, 7);
286 
287 	clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", bases[CLKRST1_INDEX],
288 				BIT(8), 0);
289 	PRCC_PCLK_STORE(clk, 1, 8);
290 
291 	clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", bases[CLKRST1_INDEX],
292 				BIT(9), 0);
293 	PRCC_PCLK_STORE(clk, 1, 9);
294 
295 	clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", bases[CLKRST1_INDEX],
296 				BIT(10), 0);
297 	PRCC_PCLK_STORE(clk, 1, 10);
298 
299 	clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", bases[CLKRST1_INDEX],
300 				BIT(11), 0);
301 	PRCC_PCLK_STORE(clk, 1, 11);
302 
303 	clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", bases[CLKRST2_INDEX],
304 				BIT(0), 0);
305 	PRCC_PCLK_STORE(clk, 2, 0);
306 
307 	clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", bases[CLKRST2_INDEX],
308 				BIT(1), 0);
309 	PRCC_PCLK_STORE(clk, 2, 1);
310 
311 	clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", bases[CLKRST2_INDEX],
312 				BIT(2), 0);
313 	PRCC_PCLK_STORE(clk, 2, 2);
314 
315 	clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", bases[CLKRST2_INDEX],
316 				BIT(3), 0);
317 	PRCC_PCLK_STORE(clk, 2, 3);
318 
319 	clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", bases[CLKRST2_INDEX],
320 				BIT(4), 0);
321 	PRCC_PCLK_STORE(clk, 2, 4);
322 
323 	clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", bases[CLKRST2_INDEX],
324 				BIT(5), 0);
325 	PRCC_PCLK_STORE(clk, 2, 5);
326 
327 	clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", bases[CLKRST2_INDEX],
328 				BIT(6), 0);
329 	PRCC_PCLK_STORE(clk, 2, 6);
330 
331 	clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", bases[CLKRST2_INDEX],
332 				BIT(7), 0);
333 	PRCC_PCLK_STORE(clk, 2, 7);
334 
335 	clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", bases[CLKRST2_INDEX],
336 				BIT(8), 0);
337 	PRCC_PCLK_STORE(clk, 2, 8);
338 
339 	clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", bases[CLKRST2_INDEX],
340 				BIT(9), 0);
341 	PRCC_PCLK_STORE(clk, 2, 9);
342 
343 	clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", bases[CLKRST2_INDEX],
344 				BIT(10), 0);
345 	PRCC_PCLK_STORE(clk, 2, 10);
346 
347 	clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", bases[CLKRST2_INDEX],
348 				BIT(11), 0);
349 	PRCC_PCLK_STORE(clk, 2, 11);
350 
351 	clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", bases[CLKRST2_INDEX],
352 				BIT(12), 0);
353 	PRCC_PCLK_STORE(clk, 2, 12);
354 
355 	clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", bases[CLKRST3_INDEX],
356 				BIT(0), 0);
357 	PRCC_PCLK_STORE(clk, 3, 0);
358 
359 	clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", bases[CLKRST3_INDEX],
360 				BIT(1), 0);
361 	PRCC_PCLK_STORE(clk, 3, 1);
362 
363 	clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", bases[CLKRST3_INDEX],
364 				BIT(2), 0);
365 	PRCC_PCLK_STORE(clk, 3, 2);
366 
367 	clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", bases[CLKRST3_INDEX],
368 				BIT(3), 0);
369 	PRCC_PCLK_STORE(clk, 3, 3);
370 
371 	clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", bases[CLKRST3_INDEX],
372 				BIT(4), 0);
373 	PRCC_PCLK_STORE(clk, 3, 4);
374 
375 	clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", bases[CLKRST3_INDEX],
376 				BIT(5), 0);
377 	PRCC_PCLK_STORE(clk, 3, 5);
378 
379 	clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", bases[CLKRST3_INDEX],
380 				BIT(6), 0);
381 	PRCC_PCLK_STORE(clk, 3, 6);
382 
383 	clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", bases[CLKRST3_INDEX],
384 				BIT(7), 0);
385 	PRCC_PCLK_STORE(clk, 3, 7);
386 
387 	clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", bases[CLKRST3_INDEX],
388 				BIT(8), 0);
389 	PRCC_PCLK_STORE(clk, 3, 8);
390 
391 	clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", bases[CLKRST5_INDEX],
392 				BIT(0), 0);
393 	PRCC_PCLK_STORE(clk, 5, 0);
394 
395 	clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", bases[CLKRST5_INDEX],
396 				BIT(1), 0);
397 	PRCC_PCLK_STORE(clk, 5, 1);
398 
399 	clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", bases[CLKRST6_INDEX],
400 				BIT(0), 0);
401 	PRCC_PCLK_STORE(clk, 6, 0);
402 
403 	clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", bases[CLKRST6_INDEX],
404 				BIT(1), 0);
405 	PRCC_PCLK_STORE(clk, 6, 1);
406 
407 	clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", bases[CLKRST6_INDEX],
408 				BIT(2), 0);
409 	PRCC_PCLK_STORE(clk, 6, 2);
410 
411 	clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", bases[CLKRST6_INDEX],
412 				BIT(3), 0);
413 	PRCC_PCLK_STORE(clk, 6, 3);
414 
415 	clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", bases[CLKRST6_INDEX],
416 				BIT(4), 0);
417 	PRCC_PCLK_STORE(clk, 6, 4);
418 
419 	clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", bases[CLKRST6_INDEX],
420 				BIT(5), 0);
421 	PRCC_PCLK_STORE(clk, 6, 5);
422 
423 	clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", bases[CLKRST6_INDEX],
424 				BIT(6), 0);
425 	PRCC_PCLK_STORE(clk, 6, 6);
426 
427 	clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", bases[CLKRST6_INDEX],
428 				BIT(7), 0);
429 	PRCC_PCLK_STORE(clk, 6, 7);
430 
431 	/* PRCC K-clocks
432 	 *
433 	 * FIXME: Some drivers requires PERPIH[n| to be automatically enabled
434 	 * by enabling just the K-clock, even if it is not a valid parent to
435 	 * the K-clock. Until drivers get fixed we might need some kind of
436 	 * "parent muxed join".
437 	 */
438 
439 	/* Periph1 */
440 	clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
441 			bases[CLKRST1_INDEX], BIT(0), CLK_SET_RATE_GATE);
442 	PRCC_KCLK_STORE(clk, 1, 0);
443 
444 	clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
445 			bases[CLKRST1_INDEX], BIT(1), CLK_SET_RATE_GATE);
446 	PRCC_KCLK_STORE(clk, 1, 1);
447 
448 	clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
449 			bases[CLKRST1_INDEX], BIT(2), CLK_SET_RATE_GATE);
450 	PRCC_KCLK_STORE(clk, 1, 2);
451 
452 	clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
453 			bases[CLKRST1_INDEX], BIT(3), CLK_SET_RATE_GATE);
454 	PRCC_KCLK_STORE(clk, 1, 3);
455 
456 	clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
457 			bases[CLKRST1_INDEX], BIT(4), CLK_SET_RATE_GATE);
458 	PRCC_KCLK_STORE(clk, 1, 4);
459 
460 	clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
461 			bases[CLKRST1_INDEX], BIT(5), CLK_SET_RATE_GATE);
462 	PRCC_KCLK_STORE(clk, 1, 5);
463 
464 	clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
465 			bases[CLKRST1_INDEX], BIT(6), CLK_SET_RATE_GATE);
466 	PRCC_KCLK_STORE(clk, 1, 6);
467 
468 	clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
469 			bases[CLKRST1_INDEX], BIT(8), CLK_SET_RATE_GATE);
470 	PRCC_KCLK_STORE(clk, 1, 8);
471 
472 	clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
473 			bases[CLKRST1_INDEX], BIT(9), CLK_SET_RATE_GATE);
474 	PRCC_KCLK_STORE(clk, 1, 9);
475 
476 	clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
477 			bases[CLKRST1_INDEX], BIT(10), CLK_SET_RATE_GATE);
478 	PRCC_KCLK_STORE(clk, 1, 10);
479 
480 	/* Periph2 */
481 	clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
482 			bases[CLKRST2_INDEX], BIT(0), CLK_SET_RATE_GATE);
483 	PRCC_KCLK_STORE(clk, 2, 0);
484 
485 	clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
486 			bases[CLKRST2_INDEX], BIT(2), CLK_SET_RATE_GATE);
487 	PRCC_KCLK_STORE(clk, 2, 2);
488 
489 	clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
490 			bases[CLKRST2_INDEX], BIT(3), CLK_SET_RATE_GATE);
491 	PRCC_KCLK_STORE(clk, 2, 3);
492 
493 	clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
494 			bases[CLKRST2_INDEX], BIT(4), CLK_SET_RATE_GATE);
495 	PRCC_KCLK_STORE(clk, 2, 4);
496 
497 	clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
498 			bases[CLKRST2_INDEX], BIT(5), CLK_SET_RATE_GATE);
499 	PRCC_KCLK_STORE(clk, 2, 5);
500 
501 	/* Note that rate is received from parent. */
502 	clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
503 			bases[CLKRST2_INDEX], BIT(6),
504 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
505 	PRCC_KCLK_STORE(clk, 2, 6);
506 
507 	clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
508 			bases[CLKRST2_INDEX], BIT(7),
509 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
510 	PRCC_KCLK_STORE(clk, 2, 7);
511 
512 	/* Periph3 */
513 	clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
514 			bases[CLKRST3_INDEX], BIT(1), CLK_SET_RATE_GATE);
515 	PRCC_KCLK_STORE(clk, 3, 1);
516 
517 	clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
518 			bases[CLKRST3_INDEX], BIT(2), CLK_SET_RATE_GATE);
519 	PRCC_KCLK_STORE(clk, 3, 2);
520 
521 	clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
522 			bases[CLKRST3_INDEX], BIT(3), CLK_SET_RATE_GATE);
523 	PRCC_KCLK_STORE(clk, 3, 3);
524 
525 	clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
526 			bases[CLKRST3_INDEX], BIT(4), CLK_SET_RATE_GATE);
527 	PRCC_KCLK_STORE(clk, 3, 4);
528 
529 	clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
530 			bases[CLKRST3_INDEX], BIT(5), CLK_SET_RATE_GATE);
531 	PRCC_KCLK_STORE(clk, 3, 5);
532 
533 	clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
534 			bases[CLKRST3_INDEX], BIT(6), CLK_SET_RATE_GATE);
535 	PRCC_KCLK_STORE(clk, 3, 6);
536 
537 	clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
538 			bases[CLKRST3_INDEX], BIT(7), CLK_SET_RATE_GATE);
539 	PRCC_KCLK_STORE(clk, 3, 7);
540 
541 	/* Periph6 */
542 	clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
543 			bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE);
544 	PRCC_KCLK_STORE(clk, 6, 0);
545 
546 	for_each_child_of_node(np, child) {
547 		static struct clk_onecell_data clk_data;
548 
549 		if (of_node_name_eq(child, "prcmu-clock")) {
550 			clk_data.clks = prcmu_clk;
551 			clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
552 			of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
553 		}
554 		if (of_node_name_eq(child, "prcc-periph-clock"))
555 			of_clk_add_provider(child, ux500_twocell_get, prcc_pclk);
556 
557 		if (of_node_name_eq(child, "prcc-kernel-clock"))
558 			of_clk_add_provider(child, ux500_twocell_get, prcc_kclk);
559 
560 		if (of_node_name_eq(child, "rtc32k-clock"))
561 			of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
562 
563 		if (of_node_name_eq(child, "smp-twd-clock"))
564 			of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
565 	}
566 }
567 CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init);
568