xref: /openbmc/linux/drivers/clk/ux500/u8500_of_clk.c (revision 25b892b5)
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_SSG1:
103 		case PRCMU_FW_PROJECT_U8520:
104 		case PRCMU_FW_PROJECT_U8420:
105 		case PRCMU_FW_PROJECT_U8420_SYSCLK:
106 		case PRCMU_FW_PROJECT_U8500_SSG2:
107 			sgaclk_parent = "soc0_pll";
108 			break;
109 		default:
110 			break;
111 		}
112 	}
113 
114 	if (sgaclk_parent)
115 		clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
116 					PRCMU_SGACLK, 0);
117 	else
118 		clk = clk_reg_prcmu_gate("sgclk", NULL, PRCMU_SGACLK, 0);
119 	prcmu_clk[PRCMU_SGACLK] = clk;
120 
121 	clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0);
122 	prcmu_clk[PRCMU_UARTCLK] = clk;
123 
124 	clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, 0);
125 	prcmu_clk[PRCMU_MSP02CLK] = clk;
126 
127 	clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0);
128 	prcmu_clk[PRCMU_MSP1CLK] = clk;
129 
130 	clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0);
131 	prcmu_clk[PRCMU_I2CCLK] = clk;
132 
133 	clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0);
134 	prcmu_clk[PRCMU_SLIMCLK] = clk;
135 
136 	clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0);
137 	prcmu_clk[PRCMU_PER1CLK] = clk;
138 
139 	clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0);
140 	prcmu_clk[PRCMU_PER2CLK] = clk;
141 
142 	clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0);
143 	prcmu_clk[PRCMU_PER3CLK] = clk;
144 
145 	clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0);
146 	prcmu_clk[PRCMU_PER5CLK] = clk;
147 
148 	clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0);
149 	prcmu_clk[PRCMU_PER6CLK] = clk;
150 
151 	clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0);
152 	prcmu_clk[PRCMU_PER7CLK] = clk;
153 
154 	clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
155 				CLK_SET_RATE_GATE);
156 	prcmu_clk[PRCMU_LCDCLK] = clk;
157 
158 	clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0);
159 	prcmu_clk[PRCMU_BMLCLK] = clk;
160 
161 	clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
162 				CLK_SET_RATE_GATE);
163 	prcmu_clk[PRCMU_HSITXCLK] = clk;
164 
165 	clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
166 				CLK_SET_RATE_GATE);
167 	prcmu_clk[PRCMU_HSIRXCLK] = clk;
168 
169 	clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
170 				CLK_SET_RATE_GATE);
171 	prcmu_clk[PRCMU_HDMICLK] = clk;
172 
173 	clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0);
174 	prcmu_clk[PRCMU_APEATCLK] = clk;
175 
176 	clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
177 				CLK_SET_RATE_GATE);
178 	prcmu_clk[PRCMU_APETRACECLK] = clk;
179 
180 	clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0);
181 	prcmu_clk[PRCMU_MCDECLK] = clk;
182 
183 	clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0);
184 	prcmu_clk[PRCMU_IPI2CCLK] = clk;
185 
186 	clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0);
187 	prcmu_clk[PRCMU_DSIALTCLK] = clk;
188 
189 	clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0);
190 	prcmu_clk[PRCMU_DMACLK] = clk;
191 
192 	clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0);
193 	prcmu_clk[PRCMU_B2R2CLK] = clk;
194 
195 	clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
196 				CLK_SET_RATE_GATE);
197 	prcmu_clk[PRCMU_TVCLK] = clk;
198 
199 	clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0);
200 	prcmu_clk[PRCMU_SSPCLK] = clk;
201 
202 	clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0);
203 	prcmu_clk[PRCMU_RNGCLK] = clk;
204 
205 	clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0);
206 	prcmu_clk[PRCMU_UICCCLK] = clk;
207 
208 	clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0);
209 	prcmu_clk[PRCMU_TIMCLK] = clk;
210 
211 	clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0);
212 	prcmu_clk[PRCMU_SYSCLK] = clk;
213 
214 	clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
215 					100000000, CLK_SET_RATE_GATE);
216 	prcmu_clk[PRCMU_SDMMCCLK] = clk;
217 
218 	clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
219 				PRCMU_PLLDSI, 0, CLK_SET_RATE_GATE);
220 	prcmu_clk[PRCMU_PLLDSI] = clk;
221 
222 	clk = clk_reg_prcmu_scalable("dsi0clk", "dsi_pll",
223 				PRCMU_DSI0CLK, 0, CLK_SET_RATE_GATE);
224 	prcmu_clk[PRCMU_DSI0CLK] = clk;
225 
226 	clk = clk_reg_prcmu_scalable("dsi1clk", "dsi_pll",
227 				PRCMU_DSI1CLK, 0, CLK_SET_RATE_GATE);
228 	prcmu_clk[PRCMU_DSI1CLK] = clk;
229 
230 	clk = clk_reg_prcmu_scalable("dsi0escclk", "tvclk",
231 				PRCMU_DSI0ESCCLK, 0, CLK_SET_RATE_GATE);
232 	prcmu_clk[PRCMU_DSI0ESCCLK] = clk;
233 
234 	clk = clk_reg_prcmu_scalable("dsi1escclk", "tvclk",
235 				PRCMU_DSI1ESCCLK, 0, CLK_SET_RATE_GATE);
236 	prcmu_clk[PRCMU_DSI1ESCCLK] = clk;
237 
238 	clk = clk_reg_prcmu_scalable("dsi2escclk", "tvclk",
239 				PRCMU_DSI2ESCCLK, 0, CLK_SET_RATE_GATE);
240 	prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
241 
242 	clk = clk_reg_prcmu_scalable_rate("armss", NULL,
243 				PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED);
244 	prcmu_clk[PRCMU_ARMSS] = clk;
245 
246 	twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
247 				CLK_IGNORE_UNUSED, 1, 2);
248 
249 	/*
250 	 * FIXME: Add special handled PRCMU clocks here:
251 	 * 1. clkout0yuv, use PRCMU as parent + need regulator + pinctrl.
252 	 * 2. ab9540_clkout1yuv, see clkout0yuv
253 	 */
254 
255 	/* PRCC P-clocks */
256 	clk = clk_reg_prcc_pclk("p1_pclk0", "per1clk", bases[CLKRST1_INDEX],
257 				BIT(0), 0);
258 	PRCC_PCLK_STORE(clk, 1, 0);
259 
260 	clk = clk_reg_prcc_pclk("p1_pclk1", "per1clk", bases[CLKRST1_INDEX],
261 				BIT(1), 0);
262 	PRCC_PCLK_STORE(clk, 1, 1);
263 
264 	clk = clk_reg_prcc_pclk("p1_pclk2", "per1clk", bases[CLKRST1_INDEX],
265 				BIT(2), 0);
266 	PRCC_PCLK_STORE(clk, 1, 2);
267 
268 	clk = clk_reg_prcc_pclk("p1_pclk3", "per1clk", bases[CLKRST1_INDEX],
269 				BIT(3), 0);
270 	PRCC_PCLK_STORE(clk, 1, 3);
271 
272 	clk = clk_reg_prcc_pclk("p1_pclk4", "per1clk", bases[CLKRST1_INDEX],
273 				BIT(4), 0);
274 	PRCC_PCLK_STORE(clk, 1, 4);
275 
276 	clk = clk_reg_prcc_pclk("p1_pclk5", "per1clk", bases[CLKRST1_INDEX],
277 				BIT(5), 0);
278 	PRCC_PCLK_STORE(clk, 1, 5);
279 
280 	clk = clk_reg_prcc_pclk("p1_pclk6", "per1clk", bases[CLKRST1_INDEX],
281 				BIT(6), 0);
282 	PRCC_PCLK_STORE(clk, 1, 6);
283 
284 	clk = clk_reg_prcc_pclk("p1_pclk7", "per1clk", bases[CLKRST1_INDEX],
285 				BIT(7), 0);
286 	PRCC_PCLK_STORE(clk, 1, 7);
287 
288 	clk = clk_reg_prcc_pclk("p1_pclk8", "per1clk", bases[CLKRST1_INDEX],
289 				BIT(8), 0);
290 	PRCC_PCLK_STORE(clk, 1, 8);
291 
292 	clk = clk_reg_prcc_pclk("p1_pclk9", "per1clk", bases[CLKRST1_INDEX],
293 				BIT(9), 0);
294 	PRCC_PCLK_STORE(clk, 1, 9);
295 
296 	clk = clk_reg_prcc_pclk("p1_pclk10", "per1clk", bases[CLKRST1_INDEX],
297 				BIT(10), 0);
298 	PRCC_PCLK_STORE(clk, 1, 10);
299 
300 	clk = clk_reg_prcc_pclk("p1_pclk11", "per1clk", bases[CLKRST1_INDEX],
301 				BIT(11), 0);
302 	PRCC_PCLK_STORE(clk, 1, 11);
303 
304 	clk = clk_reg_prcc_pclk("p2_pclk0", "per2clk", bases[CLKRST2_INDEX],
305 				BIT(0), 0);
306 	PRCC_PCLK_STORE(clk, 2, 0);
307 
308 	clk = clk_reg_prcc_pclk("p2_pclk1", "per2clk", bases[CLKRST2_INDEX],
309 				BIT(1), 0);
310 	PRCC_PCLK_STORE(clk, 2, 1);
311 
312 	clk = clk_reg_prcc_pclk("p2_pclk2", "per2clk", bases[CLKRST2_INDEX],
313 				BIT(2), 0);
314 	PRCC_PCLK_STORE(clk, 2, 2);
315 
316 	clk = clk_reg_prcc_pclk("p2_pclk3", "per2clk", bases[CLKRST2_INDEX],
317 				BIT(3), 0);
318 	PRCC_PCLK_STORE(clk, 2, 3);
319 
320 	clk = clk_reg_prcc_pclk("p2_pclk4", "per2clk", bases[CLKRST2_INDEX],
321 				BIT(4), 0);
322 	PRCC_PCLK_STORE(clk, 2, 4);
323 
324 	clk = clk_reg_prcc_pclk("p2_pclk5", "per2clk", bases[CLKRST2_INDEX],
325 				BIT(5), 0);
326 	PRCC_PCLK_STORE(clk, 2, 5);
327 
328 	clk = clk_reg_prcc_pclk("p2_pclk6", "per2clk", bases[CLKRST2_INDEX],
329 				BIT(6), 0);
330 	PRCC_PCLK_STORE(clk, 2, 6);
331 
332 	clk = clk_reg_prcc_pclk("p2_pclk7", "per2clk", bases[CLKRST2_INDEX],
333 				BIT(7), 0);
334 	PRCC_PCLK_STORE(clk, 2, 7);
335 
336 	clk = clk_reg_prcc_pclk("p2_pclk8", "per2clk", bases[CLKRST2_INDEX],
337 				BIT(8), 0);
338 	PRCC_PCLK_STORE(clk, 2, 8);
339 
340 	clk = clk_reg_prcc_pclk("p2_pclk9", "per2clk", bases[CLKRST2_INDEX],
341 				BIT(9), 0);
342 	PRCC_PCLK_STORE(clk, 2, 9);
343 
344 	clk = clk_reg_prcc_pclk("p2_pclk10", "per2clk", bases[CLKRST2_INDEX],
345 				BIT(10), 0);
346 	PRCC_PCLK_STORE(clk, 2, 10);
347 
348 	clk = clk_reg_prcc_pclk("p2_pclk11", "per2clk", bases[CLKRST2_INDEX],
349 				BIT(11), 0);
350 	PRCC_PCLK_STORE(clk, 2, 11);
351 
352 	clk = clk_reg_prcc_pclk("p2_pclk12", "per2clk", bases[CLKRST2_INDEX],
353 				BIT(12), 0);
354 	PRCC_PCLK_STORE(clk, 2, 12);
355 
356 	clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", bases[CLKRST3_INDEX],
357 				BIT(0), 0);
358 	PRCC_PCLK_STORE(clk, 3, 0);
359 
360 	clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", bases[CLKRST3_INDEX],
361 				BIT(1), 0);
362 	PRCC_PCLK_STORE(clk, 3, 1);
363 
364 	clk = clk_reg_prcc_pclk("p3_pclk2", "per3clk", bases[CLKRST3_INDEX],
365 				BIT(2), 0);
366 	PRCC_PCLK_STORE(clk, 3, 2);
367 
368 	clk = clk_reg_prcc_pclk("p3_pclk3", "per3clk", bases[CLKRST3_INDEX],
369 				BIT(3), 0);
370 	PRCC_PCLK_STORE(clk, 3, 3);
371 
372 	clk = clk_reg_prcc_pclk("p3_pclk4", "per3clk", bases[CLKRST3_INDEX],
373 				BIT(4), 0);
374 	PRCC_PCLK_STORE(clk, 3, 4);
375 
376 	clk = clk_reg_prcc_pclk("p3_pclk5", "per3clk", bases[CLKRST3_INDEX],
377 				BIT(5), 0);
378 	PRCC_PCLK_STORE(clk, 3, 5);
379 
380 	clk = clk_reg_prcc_pclk("p3_pclk6", "per3clk", bases[CLKRST3_INDEX],
381 				BIT(6), 0);
382 	PRCC_PCLK_STORE(clk, 3, 6);
383 
384 	clk = clk_reg_prcc_pclk("p3_pclk7", "per3clk", bases[CLKRST3_INDEX],
385 				BIT(7), 0);
386 	PRCC_PCLK_STORE(clk, 3, 7);
387 
388 	clk = clk_reg_prcc_pclk("p3_pclk8", "per3clk", bases[CLKRST3_INDEX],
389 				BIT(8), 0);
390 	PRCC_PCLK_STORE(clk, 3, 8);
391 
392 	clk = clk_reg_prcc_pclk("p5_pclk0", "per5clk", bases[CLKRST5_INDEX],
393 				BIT(0), 0);
394 	PRCC_PCLK_STORE(clk, 5, 0);
395 
396 	clk = clk_reg_prcc_pclk("p5_pclk1", "per5clk", bases[CLKRST5_INDEX],
397 				BIT(1), 0);
398 	PRCC_PCLK_STORE(clk, 5, 1);
399 
400 	clk = clk_reg_prcc_pclk("p6_pclk0", "per6clk", bases[CLKRST6_INDEX],
401 				BIT(0), 0);
402 	PRCC_PCLK_STORE(clk, 6, 0);
403 
404 	clk = clk_reg_prcc_pclk("p6_pclk1", "per6clk", bases[CLKRST6_INDEX],
405 				BIT(1), 0);
406 	PRCC_PCLK_STORE(clk, 6, 1);
407 
408 	clk = clk_reg_prcc_pclk("p6_pclk2", "per6clk", bases[CLKRST6_INDEX],
409 				BIT(2), 0);
410 	PRCC_PCLK_STORE(clk, 6, 2);
411 
412 	clk = clk_reg_prcc_pclk("p6_pclk3", "per6clk", bases[CLKRST6_INDEX],
413 				BIT(3), 0);
414 	PRCC_PCLK_STORE(clk, 6, 3);
415 
416 	clk = clk_reg_prcc_pclk("p6_pclk4", "per6clk", bases[CLKRST6_INDEX],
417 				BIT(4), 0);
418 	PRCC_PCLK_STORE(clk, 6, 4);
419 
420 	clk = clk_reg_prcc_pclk("p6_pclk5", "per6clk", bases[CLKRST6_INDEX],
421 				BIT(5), 0);
422 	PRCC_PCLK_STORE(clk, 6, 5);
423 
424 	clk = clk_reg_prcc_pclk("p6_pclk6", "per6clk", bases[CLKRST6_INDEX],
425 				BIT(6), 0);
426 	PRCC_PCLK_STORE(clk, 6, 6);
427 
428 	clk = clk_reg_prcc_pclk("p6_pclk7", "per6clk", bases[CLKRST6_INDEX],
429 				BIT(7), 0);
430 	PRCC_PCLK_STORE(clk, 6, 7);
431 
432 	/* PRCC K-clocks
433 	 *
434 	 * FIXME: Some drivers requires PERPIH[n| to be automatically enabled
435 	 * by enabling just the K-clock, even if it is not a valid parent to
436 	 * the K-clock. Until drivers get fixed we might need some kind of
437 	 * "parent muxed join".
438 	 */
439 
440 	/* Periph1 */
441 	clk = clk_reg_prcc_kclk("p1_uart0_kclk", "uartclk",
442 			bases[CLKRST1_INDEX], BIT(0), CLK_SET_RATE_GATE);
443 	PRCC_KCLK_STORE(clk, 1, 0);
444 
445 	clk = clk_reg_prcc_kclk("p1_uart1_kclk", "uartclk",
446 			bases[CLKRST1_INDEX], BIT(1), CLK_SET_RATE_GATE);
447 	PRCC_KCLK_STORE(clk, 1, 1);
448 
449 	clk = clk_reg_prcc_kclk("p1_i2c1_kclk", "i2cclk",
450 			bases[CLKRST1_INDEX], BIT(2), CLK_SET_RATE_GATE);
451 	PRCC_KCLK_STORE(clk, 1, 2);
452 
453 	clk = clk_reg_prcc_kclk("p1_msp0_kclk", "msp02clk",
454 			bases[CLKRST1_INDEX], BIT(3), CLK_SET_RATE_GATE);
455 	PRCC_KCLK_STORE(clk, 1, 3);
456 
457 	clk = clk_reg_prcc_kclk("p1_msp1_kclk", "msp1clk",
458 			bases[CLKRST1_INDEX], BIT(4), CLK_SET_RATE_GATE);
459 	PRCC_KCLK_STORE(clk, 1, 4);
460 
461 	clk = clk_reg_prcc_kclk("p1_sdi0_kclk", "sdmmcclk",
462 			bases[CLKRST1_INDEX], BIT(5), CLK_SET_RATE_GATE);
463 	PRCC_KCLK_STORE(clk, 1, 5);
464 
465 	clk = clk_reg_prcc_kclk("p1_i2c2_kclk", "i2cclk",
466 			bases[CLKRST1_INDEX], BIT(6), CLK_SET_RATE_GATE);
467 	PRCC_KCLK_STORE(clk, 1, 6);
468 
469 	clk = clk_reg_prcc_kclk("p1_slimbus0_kclk", "slimclk",
470 			bases[CLKRST1_INDEX], BIT(8), CLK_SET_RATE_GATE);
471 	PRCC_KCLK_STORE(clk, 1, 8);
472 
473 	clk = clk_reg_prcc_kclk("p1_i2c4_kclk", "i2cclk",
474 			bases[CLKRST1_INDEX], BIT(9), CLK_SET_RATE_GATE);
475 	PRCC_KCLK_STORE(clk, 1, 9);
476 
477 	clk = clk_reg_prcc_kclk("p1_msp3_kclk", "msp1clk",
478 			bases[CLKRST1_INDEX], BIT(10), CLK_SET_RATE_GATE);
479 	PRCC_KCLK_STORE(clk, 1, 10);
480 
481 	/* Periph2 */
482 	clk = clk_reg_prcc_kclk("p2_i2c3_kclk", "i2cclk",
483 			bases[CLKRST2_INDEX], BIT(0), CLK_SET_RATE_GATE);
484 	PRCC_KCLK_STORE(clk, 2, 0);
485 
486 	clk = clk_reg_prcc_kclk("p2_sdi4_kclk", "sdmmcclk",
487 			bases[CLKRST2_INDEX], BIT(2), CLK_SET_RATE_GATE);
488 	PRCC_KCLK_STORE(clk, 2, 2);
489 
490 	clk = clk_reg_prcc_kclk("p2_msp2_kclk", "msp02clk",
491 			bases[CLKRST2_INDEX], BIT(3), CLK_SET_RATE_GATE);
492 	PRCC_KCLK_STORE(clk, 2, 3);
493 
494 	clk = clk_reg_prcc_kclk("p2_sdi1_kclk", "sdmmcclk",
495 			bases[CLKRST2_INDEX], BIT(4), CLK_SET_RATE_GATE);
496 	PRCC_KCLK_STORE(clk, 2, 4);
497 
498 	clk = clk_reg_prcc_kclk("p2_sdi3_kclk", "sdmmcclk",
499 			bases[CLKRST2_INDEX], BIT(5), CLK_SET_RATE_GATE);
500 	PRCC_KCLK_STORE(clk, 2, 5);
501 
502 	/* Note that rate is received from parent. */
503 	clk = clk_reg_prcc_kclk("p2_ssirx_kclk", "hsirxclk",
504 			bases[CLKRST2_INDEX], BIT(6),
505 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
506 	PRCC_KCLK_STORE(clk, 2, 6);
507 
508 	clk = clk_reg_prcc_kclk("p2_ssitx_kclk", "hsitxclk",
509 			bases[CLKRST2_INDEX], BIT(7),
510 			CLK_SET_RATE_GATE|CLK_SET_RATE_PARENT);
511 	PRCC_KCLK_STORE(clk, 2, 7);
512 
513 	/* Periph3 */
514 	clk = clk_reg_prcc_kclk("p3_ssp0_kclk", "sspclk",
515 			bases[CLKRST3_INDEX], BIT(1), CLK_SET_RATE_GATE);
516 	PRCC_KCLK_STORE(clk, 3, 1);
517 
518 	clk = clk_reg_prcc_kclk("p3_ssp1_kclk", "sspclk",
519 			bases[CLKRST3_INDEX], BIT(2), CLK_SET_RATE_GATE);
520 	PRCC_KCLK_STORE(clk, 3, 2);
521 
522 	clk = clk_reg_prcc_kclk("p3_i2c0_kclk", "i2cclk",
523 			bases[CLKRST3_INDEX], BIT(3), CLK_SET_RATE_GATE);
524 	PRCC_KCLK_STORE(clk, 3, 3);
525 
526 	clk = clk_reg_prcc_kclk("p3_sdi2_kclk", "sdmmcclk",
527 			bases[CLKRST3_INDEX], BIT(4), CLK_SET_RATE_GATE);
528 	PRCC_KCLK_STORE(clk, 3, 4);
529 
530 	clk = clk_reg_prcc_kclk("p3_ske_kclk", "rtc32k",
531 			bases[CLKRST3_INDEX], BIT(5), CLK_SET_RATE_GATE);
532 	PRCC_KCLK_STORE(clk, 3, 5);
533 
534 	clk = clk_reg_prcc_kclk("p3_uart2_kclk", "uartclk",
535 			bases[CLKRST3_INDEX], BIT(6), CLK_SET_RATE_GATE);
536 	PRCC_KCLK_STORE(clk, 3, 6);
537 
538 	clk = clk_reg_prcc_kclk("p3_sdi5_kclk", "sdmmcclk",
539 			bases[CLKRST3_INDEX], BIT(7), CLK_SET_RATE_GATE);
540 	PRCC_KCLK_STORE(clk, 3, 7);
541 
542 	/* Periph6 */
543 	clk = clk_reg_prcc_kclk("p3_rng_kclk", "rngclk",
544 			bases[CLKRST6_INDEX], BIT(0), CLK_SET_RATE_GATE);
545 	PRCC_KCLK_STORE(clk, 6, 0);
546 
547 	for_each_child_of_node(np, child) {
548 		static struct clk_onecell_data clk_data;
549 
550 		if (of_node_name_eq(child, "prcmu-clock")) {
551 			clk_data.clks = prcmu_clk;
552 			clk_data.clk_num = ARRAY_SIZE(prcmu_clk);
553 			of_clk_add_provider(child, of_clk_src_onecell_get, &clk_data);
554 		}
555 		if (of_node_name_eq(child, "prcc-periph-clock"))
556 			of_clk_add_provider(child, ux500_twocell_get, prcc_pclk);
557 
558 		if (of_node_name_eq(child, "prcc-kernel-clock"))
559 			of_clk_add_provider(child, ux500_twocell_get, prcc_kclk);
560 
561 		if (of_node_name_eq(child, "rtc32k-clock"))
562 			of_clk_add_provider(child, of_clk_src_simple_get, rtc_clk);
563 
564 		if (of_node_name_eq(child, "smp-twd-clock"))
565 			of_clk_add_provider(child, of_clk_src_simple_get, twd_clk);
566 	}
567 }
568 CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init);
569