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  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
 18static struct clk *prcmu_clk[PRCMU_NUM_CLKS];
 19static struct clk *prcc_pclk[(PRCC_NUM_PERIPH_CLUSTERS + 1) * PRCC_PERIPHS_PER_CLUSTER];
 20static 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
 29static 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 */
 50enum clkrst_index {
 51	CLKRST1_INDEX = 0,
 52	CLKRST2_INDEX,
 53	CLKRST3_INDEX,
 54	CLKRST5_INDEX,
 55	CLKRST6_INDEX,
 56	CLKRST_MAX,
 57};
 58
 59static 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}
567CLK_OF_DECLARE(u8500_clks, "stericsson,u8500-clks", u8500_clk_init);