xref: /openbmc/linux/arch/mips/lantiq/xway/sysctrl.c (revision 0edbfea5)
1 /*
2  *  This program is free software; you can redistribute it and/or modify it
3  *  under the terms of the GNU General Public License version 2 as published
4  *  by the Free Software Foundation.
5  *
6  *  Copyright (C) 2011-2012 John Crispin <john@phrozen.org>
7  *  Copyright (C) 2013-2015 Lantiq Beteiligungs-GmbH & Co.KG
8  */
9 
10 #include <linux/ioport.h>
11 #include <linux/export.h>
12 #include <linux/clkdev.h>
13 #include <linux/spinlock.h>
14 #include <linux/of.h>
15 #include <linux/of_platform.h>
16 #include <linux/of_address.h>
17 
18 #include <lantiq_soc.h>
19 
20 #include "../clk.h"
21 #include "../prom.h"
22 
23 /* clock control register for legacy */
24 #define CGU_IFCCR	0x0018
25 #define CGU_IFCCR_VR9	0x0024
26 /* system clock register for legacy */
27 #define CGU_SYS		0x0010
28 /* pci control register */
29 #define CGU_PCICR	0x0034
30 #define CGU_PCICR_VR9	0x0038
31 /* ephy configuration register */
32 #define CGU_EPHY	0x10
33 
34 /* Legacy PMU register for ar9, ase, danube */
35 /* power control register */
36 #define PMU_PWDCR	0x1C
37 /* power status register */
38 #define PMU_PWDSR	0x20
39 /* power control register */
40 #define PMU_PWDCR1	0x24
41 /* power status register */
42 #define PMU_PWDSR1	0x28
43 /* power control register */
44 #define PWDCR(x) ((x) ? (PMU_PWDCR1) : (PMU_PWDCR))
45 /* power status register */
46 #define PWDSR(x) ((x) ? (PMU_PWDSR1) : (PMU_PWDSR))
47 
48 
49 /* PMU register for ar10 and grx390 */
50 
51 /* First register set */
52 #define PMU_CLK_SR	0x20 /* status */
53 #define PMU_CLK_CR_A	0x24 /* Enable */
54 #define PMU_CLK_CR_B	0x28 /* Disable */
55 /* Second register set */
56 #define PMU_CLK_SR1	0x30 /* status */
57 #define PMU_CLK_CR1_A	0x34 /* Enable */
58 #define PMU_CLK_CR1_B	0x38 /* Disable */
59 /* Third register set */
60 #define PMU_ANA_SR	0x40 /* status */
61 #define PMU_ANA_CR_A	0x44 /* Enable */
62 #define PMU_ANA_CR_B	0x48 /* Disable */
63 
64 /* Status */
65 static u32 pmu_clk_sr[] = {
66 	PMU_CLK_SR,
67 	PMU_CLK_SR1,
68 	PMU_ANA_SR,
69 };
70 
71 /* Enable */
72 static u32 pmu_clk_cr_a[] = {
73 	PMU_CLK_CR_A,
74 	PMU_CLK_CR1_A,
75 	PMU_ANA_CR_A,
76 };
77 
78 /* Disable */
79 static u32 pmu_clk_cr_b[] = {
80 	PMU_CLK_CR_B,
81 	PMU_CLK_CR1_B,
82 	PMU_ANA_CR_B,
83 };
84 
85 #define PWDCR_EN_XRX(x)		(pmu_clk_cr_a[(x)])
86 #define PWDCR_DIS_XRX(x)	(pmu_clk_cr_b[(x)])
87 #define PWDSR_XRX(x)		(pmu_clk_sr[(x)])
88 
89 /* clock gates that we can en/disable */
90 #define PMU_USB0_P	BIT(0)
91 #define PMU_ASE_SDIO	BIT(2) /* ASE special */
92 #define PMU_PCI		BIT(4)
93 #define PMU_DMA		BIT(5)
94 #define PMU_USB0	BIT(6)
95 #define PMU_ASC0	BIT(7)
96 #define PMU_EPHY	BIT(7)	/* ase */
97 #define PMU_USIF	BIT(7) /* from vr9 until grx390 */
98 #define PMU_SPI		BIT(8)
99 #define PMU_DFE		BIT(9)
100 #define PMU_EBU		BIT(10)
101 #define PMU_STP		BIT(11)
102 #define PMU_GPT		BIT(12)
103 #define PMU_AHBS	BIT(13) /* vr9 */
104 #define PMU_FPI		BIT(14)
105 #define PMU_AHBM	BIT(15)
106 #define PMU_SDIO	BIT(16) /* danube, ar9, vr9 */
107 #define PMU_ASC1	BIT(17)
108 #define PMU_PPE_QSB	BIT(18)
109 #define PMU_PPE_SLL01	BIT(19)
110 #define PMU_DEU		BIT(20)
111 #define PMU_PPE_TC	BIT(21)
112 #define PMU_PPE_EMA	BIT(22)
113 #define PMU_PPE_DPLUM	BIT(23)
114 #define PMU_PPE_DP	BIT(23)
115 #define PMU_PPE_DPLUS	BIT(24)
116 #define PMU_USB1_P	BIT(26)
117 #define PMU_USB1	BIT(27)
118 #define PMU_SWITCH	BIT(28)
119 #define PMU_PPE_TOP	BIT(29)
120 #define PMU_GPHY	BIT(30)
121 #define PMU_PCIE_CLK	BIT(31)
122 
123 #define PMU1_PCIE_PHY	BIT(0)	/* vr9-specific,moved in ar10/grx390 */
124 #define PMU1_PCIE_CTL	BIT(1)
125 #define PMU1_PCIE_PDI	BIT(4)
126 #define PMU1_PCIE_MSI	BIT(5)
127 #define PMU1_CKE	BIT(6)
128 #define PMU1_PCIE1_CTL	BIT(17)
129 #define PMU1_PCIE1_PDI	BIT(20)
130 #define PMU1_PCIE1_MSI	BIT(21)
131 #define PMU1_PCIE2_CTL	BIT(25)
132 #define PMU1_PCIE2_PDI	BIT(26)
133 #define PMU1_PCIE2_MSI	BIT(27)
134 
135 #define PMU_ANALOG_USB0_P	BIT(0)
136 #define PMU_ANALOG_USB1_P	BIT(1)
137 #define PMU_ANALOG_PCIE0_P	BIT(8)
138 #define PMU_ANALOG_PCIE1_P	BIT(9)
139 #define PMU_ANALOG_PCIE2_P	BIT(10)
140 #define PMU_ANALOG_DSL_AFE	BIT(16)
141 #define PMU_ANALOG_DCDC_2V5	BIT(17)
142 #define PMU_ANALOG_DCDC_1VX	BIT(18)
143 #define PMU_ANALOG_DCDC_1V0	BIT(19)
144 
145 #define pmu_w32(x, y)	ltq_w32((x), pmu_membase + (y))
146 #define pmu_r32(x)	ltq_r32(pmu_membase + (x))
147 
148 #define XBAR_ALWAYS_LAST	0x430
149 #define XBAR_FPI_BURST_EN	BIT(1)
150 #define XBAR_AHB_BURST_EN	BIT(2)
151 
152 #define xbar_w32(x, y)	ltq_w32((x), ltq_xbar_membase + (y))
153 #define xbar_r32(x)	ltq_r32(ltq_xbar_membase + (x))
154 
155 static void __iomem *pmu_membase;
156 static void __iomem *ltq_xbar_membase;
157 void __iomem *ltq_cgu_membase;
158 void __iomem *ltq_ebu_membase;
159 
160 static u32 ifccr = CGU_IFCCR;
161 static u32 pcicr = CGU_PCICR;
162 
163 static DEFINE_SPINLOCK(g_pmu_lock);
164 
165 /* legacy function kept alive to ease clkdev transition */
166 void ltq_pmu_enable(unsigned int module)
167 {
168 	int retry = 1000000;
169 
170 	spin_lock(&g_pmu_lock);
171 	pmu_w32(pmu_r32(PMU_PWDCR) & ~module, PMU_PWDCR);
172 	do {} while (--retry && (pmu_r32(PMU_PWDSR) & module));
173 	spin_unlock(&g_pmu_lock);
174 
175 	if (!retry)
176 		panic("activating PMU module failed!");
177 }
178 EXPORT_SYMBOL(ltq_pmu_enable);
179 
180 /* legacy function kept alive to ease clkdev transition */
181 void ltq_pmu_disable(unsigned int module)
182 {
183 	int retry = 1000000;
184 
185 	spin_lock(&g_pmu_lock);
186 	pmu_w32(pmu_r32(PMU_PWDCR) | module, PMU_PWDCR);
187 	do {} while (--retry && (!(pmu_r32(PMU_PWDSR) & module)));
188 	spin_unlock(&g_pmu_lock);
189 
190 	if (!retry)
191 		pr_warn("deactivating PMU module failed!");
192 }
193 EXPORT_SYMBOL(ltq_pmu_disable);
194 
195 /* enable a hw clock */
196 static int cgu_enable(struct clk *clk)
197 {
198 	ltq_cgu_w32(ltq_cgu_r32(ifccr) | clk->bits, ifccr);
199 	return 0;
200 }
201 
202 /* disable a hw clock */
203 static void cgu_disable(struct clk *clk)
204 {
205 	ltq_cgu_w32(ltq_cgu_r32(ifccr) & ~clk->bits, ifccr);
206 }
207 
208 /* enable a clock gate */
209 static int pmu_enable(struct clk *clk)
210 {
211 	int retry = 1000000;
212 
213 	if (of_machine_is_compatible("lantiq,ar10")
214 	    || of_machine_is_compatible("lantiq,grx390")) {
215 		pmu_w32(clk->bits, PWDCR_EN_XRX(clk->module));
216 		do {} while (--retry &&
217 			     (!(pmu_r32(PWDSR_XRX(clk->module)) & clk->bits)));
218 
219 	} else {
220 		spin_lock(&g_pmu_lock);
221 		pmu_w32(pmu_r32(PWDCR(clk->module)) & ~clk->bits,
222 				PWDCR(clk->module));
223 		do {} while (--retry &&
224 			     (pmu_r32(PWDSR(clk->module)) & clk->bits));
225 		spin_unlock(&g_pmu_lock);
226 	}
227 
228 	if (!retry)
229 		panic("activating PMU module failed!");
230 
231 	return 0;
232 }
233 
234 /* disable a clock gate */
235 static void pmu_disable(struct clk *clk)
236 {
237 	int retry = 1000000;
238 
239 	if (of_machine_is_compatible("lantiq,ar10")
240 	    || of_machine_is_compatible("lantiq,grx390")) {
241 		pmu_w32(clk->bits, PWDCR_DIS_XRX(clk->module));
242 		do {} while (--retry &&
243 			     (pmu_r32(PWDSR_XRX(clk->module)) & clk->bits));
244 	} else {
245 		spin_lock(&g_pmu_lock);
246 		pmu_w32(pmu_r32(PWDCR(clk->module)) | clk->bits,
247 				PWDCR(clk->module));
248 		do {} while (--retry &&
249 			     (!(pmu_r32(PWDSR(clk->module)) & clk->bits)));
250 		spin_unlock(&g_pmu_lock);
251 	}
252 
253 	if (!retry)
254 		pr_warn("deactivating PMU module failed!");
255 }
256 
257 /* the pci enable helper */
258 static int pci_enable(struct clk *clk)
259 {
260 	unsigned int val = ltq_cgu_r32(ifccr);
261 	/* set bus clock speed */
262 	if (of_machine_is_compatible("lantiq,ar9") ||
263 			of_machine_is_compatible("lantiq,vr9")) {
264 		val &= ~0x1f00000;
265 		if (clk->rate == CLOCK_33M)
266 			val |= 0xe00000;
267 		else
268 			val |= 0x700000; /* 62.5M */
269 	} else {
270 		val &= ~0xf00000;
271 		if (clk->rate == CLOCK_33M)
272 			val |= 0x800000;
273 		else
274 			val |= 0x400000; /* 62.5M */
275 	}
276 	ltq_cgu_w32(val, ifccr);
277 	pmu_enable(clk);
278 	return 0;
279 }
280 
281 /* enable the external clock as a source */
282 static int pci_ext_enable(struct clk *clk)
283 {
284 	ltq_cgu_w32(ltq_cgu_r32(ifccr) & ~(1 << 16), ifccr);
285 	ltq_cgu_w32((1 << 30), pcicr);
286 	return 0;
287 }
288 
289 /* disable the external clock as a source */
290 static void pci_ext_disable(struct clk *clk)
291 {
292 	ltq_cgu_w32(ltq_cgu_r32(ifccr) | (1 << 16), ifccr);
293 	ltq_cgu_w32((1 << 31) | (1 << 30), pcicr);
294 }
295 
296 static void xbar_fpi_burst_disable(void)
297 {
298 	u32 reg;
299 
300 	/* bit 1 as 1 --burst; bit 1 as 0 -- single */
301 	reg = xbar_r32(XBAR_ALWAYS_LAST);
302 	reg &= ~XBAR_FPI_BURST_EN;
303 	xbar_w32(reg, XBAR_ALWAYS_LAST);
304 }
305 
306 /* enable a clockout source */
307 static int clkout_enable(struct clk *clk)
308 {
309 	int i;
310 
311 	/* get the correct rate */
312 	for (i = 0; i < 4; i++) {
313 		if (clk->rates[i] == clk->rate) {
314 			int shift = 14 - (2 * clk->module);
315 			int enable = 7 - clk->module;
316 			unsigned int val = ltq_cgu_r32(ifccr);
317 
318 			val &= ~(3 << shift);
319 			val |= i << shift;
320 			val |= enable;
321 			ltq_cgu_w32(val, ifccr);
322 			return 0;
323 		}
324 	}
325 	return -1;
326 }
327 
328 /* manage the clock gates via PMU */
329 static void clkdev_add_pmu(const char *dev, const char *con, bool deactivate,
330 			   unsigned int module, unsigned int bits)
331 {
332 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
333 
334 	clk->cl.dev_id = dev;
335 	clk->cl.con_id = con;
336 	clk->cl.clk = clk;
337 	clk->enable = pmu_enable;
338 	clk->disable = pmu_disable;
339 	clk->module = module;
340 	clk->bits = bits;
341 	if (deactivate) {
342 		/*
343 		 * Disable it during the initialization. Module should enable
344 		 * when used
345 		 */
346 		pmu_disable(clk);
347 	}
348 	clkdev_add(&clk->cl);
349 }
350 
351 /* manage the clock generator */
352 static void clkdev_add_cgu(const char *dev, const char *con,
353 					unsigned int bits)
354 {
355 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
356 
357 	clk->cl.dev_id = dev;
358 	clk->cl.con_id = con;
359 	clk->cl.clk = clk;
360 	clk->enable = cgu_enable;
361 	clk->disable = cgu_disable;
362 	clk->bits = bits;
363 	clkdev_add(&clk->cl);
364 }
365 
366 /* pci needs its own enable function as the setup is a bit more complex */
367 static unsigned long valid_pci_rates[] = {CLOCK_33M, CLOCK_62_5M, 0};
368 
369 static void clkdev_add_pci(void)
370 {
371 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
372 	struct clk *clk_ext = kzalloc(sizeof(struct clk), GFP_KERNEL);
373 
374 	/* main pci clock */
375 	clk->cl.dev_id = "17000000.pci";
376 	clk->cl.con_id = NULL;
377 	clk->cl.clk = clk;
378 	clk->rate = CLOCK_33M;
379 	clk->rates = valid_pci_rates;
380 	clk->enable = pci_enable;
381 	clk->disable = pmu_disable;
382 	clk->module = 0;
383 	clk->bits = PMU_PCI;
384 	clkdev_add(&clk->cl);
385 
386 	/* use internal/external bus clock */
387 	clk_ext->cl.dev_id = "17000000.pci";
388 	clk_ext->cl.con_id = "external";
389 	clk_ext->cl.clk = clk_ext;
390 	clk_ext->enable = pci_ext_enable;
391 	clk_ext->disable = pci_ext_disable;
392 	clkdev_add(&clk_ext->cl);
393 }
394 
395 /* xway socs can generate clocks on gpio pins */
396 static unsigned long valid_clkout_rates[4][5] = {
397 	{CLOCK_32_768K, CLOCK_1_536M, CLOCK_2_5M, CLOCK_12M, 0},
398 	{CLOCK_40M, CLOCK_12M, CLOCK_24M, CLOCK_48M, 0},
399 	{CLOCK_25M, CLOCK_40M, CLOCK_30M, CLOCK_60M, 0},
400 	{CLOCK_12M, CLOCK_50M, CLOCK_32_768K, CLOCK_25M, 0},
401 };
402 
403 static void clkdev_add_clkout(void)
404 {
405 	int i;
406 
407 	for (i = 0; i < 4; i++) {
408 		struct clk *clk;
409 		char *name;
410 
411 		name = kzalloc(sizeof("clkout0"), GFP_KERNEL);
412 		sprintf(name, "clkout%d", i);
413 
414 		clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
415 		clk->cl.dev_id = "1f103000.cgu";
416 		clk->cl.con_id = name;
417 		clk->cl.clk = clk;
418 		clk->rate = 0;
419 		clk->rates = valid_clkout_rates[i];
420 		clk->enable = clkout_enable;
421 		clk->module = i;
422 		clkdev_add(&clk->cl);
423 	}
424 }
425 
426 /* bring up all register ranges that we need for basic system control */
427 void __init ltq_soc_init(void)
428 {
429 	struct resource res_pmu, res_cgu, res_ebu;
430 	struct device_node *np_pmu =
431 			of_find_compatible_node(NULL, NULL, "lantiq,pmu-xway");
432 	struct device_node *np_cgu =
433 			of_find_compatible_node(NULL, NULL, "lantiq,cgu-xway");
434 	struct device_node *np_ebu =
435 			of_find_compatible_node(NULL, NULL, "lantiq,ebu-xway");
436 
437 	/* check if all the core register ranges are available */
438 	if (!np_pmu || !np_cgu || !np_ebu)
439 		panic("Failed to load core nodes from devicetree");
440 
441 	if (of_address_to_resource(np_pmu, 0, &res_pmu) ||
442 			of_address_to_resource(np_cgu, 0, &res_cgu) ||
443 			of_address_to_resource(np_ebu, 0, &res_ebu))
444 		panic("Failed to get core resources");
445 
446 	if (!request_mem_region(res_pmu.start, resource_size(&res_pmu),
447 				res_pmu.name) ||
448 		!request_mem_region(res_cgu.start, resource_size(&res_cgu),
449 				res_cgu.name) ||
450 		!request_mem_region(res_ebu.start, resource_size(&res_ebu),
451 				res_ebu.name))
452 		pr_err("Failed to request core resources");
453 
454 	pmu_membase = ioremap_nocache(res_pmu.start, resource_size(&res_pmu));
455 	ltq_cgu_membase = ioremap_nocache(res_cgu.start,
456 						resource_size(&res_cgu));
457 	ltq_ebu_membase = ioremap_nocache(res_ebu.start,
458 						resource_size(&res_ebu));
459 	if (!pmu_membase || !ltq_cgu_membase || !ltq_ebu_membase)
460 		panic("Failed to remap core resources");
461 
462 	if (of_machine_is_compatible("lantiq,vr9")) {
463 		struct resource res_xbar;
464 		struct device_node *np_xbar =
465 				of_find_compatible_node(NULL, NULL,
466 							"lantiq,xbar-xway");
467 
468 		if (!np_xbar)
469 			panic("Failed to load xbar nodes from devicetree");
470 		if (of_address_to_resource(np_pmu, 0, &res_xbar))
471 			panic("Failed to get xbar resources");
472 		if (request_mem_region(res_xbar.start, resource_size(&res_xbar),
473 			res_xbar.name) < 0)
474 			panic("Failed to get xbar resources");
475 
476 		ltq_xbar_membase = ioremap_nocache(res_xbar.start,
477 						   resource_size(&res_xbar));
478 		if (!ltq_xbar_membase)
479 			panic("Failed to remap xbar resources");
480 	}
481 
482 	/* make sure to unprotect the memory region where flash is located */
483 	ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0);
484 
485 	/* add our generic xway clocks */
486 	clkdev_add_pmu("10000000.fpi", NULL, 0, 0, PMU_FPI);
487 	clkdev_add_pmu("1e100400.serial", NULL, 0, 0, PMU_ASC0);
488 	clkdev_add_pmu("1e100a00.gptu", NULL, 1, 0, PMU_GPT);
489 	clkdev_add_pmu("1e100bb0.stp", NULL, 1, 0, PMU_STP);
490 	clkdev_add_pmu("1e104100.dma", NULL, 1, 0, PMU_DMA);
491 	clkdev_add_pmu("1e100800.spi", NULL, 1, 0, PMU_SPI);
492 	clkdev_add_pmu("1e105300.ebu", NULL, 0, 0, PMU_EBU);
493 	clkdev_add_clkout();
494 
495 	/* add the soc dependent clocks */
496 	if (of_machine_is_compatible("lantiq,vr9")) {
497 		ifccr = CGU_IFCCR_VR9;
498 		pcicr = CGU_PCICR_VR9;
499 	} else {
500 		clkdev_add_pmu("1e180000.etop", NULL, 1, 0, PMU_PPE);
501 	}
502 
503 	if (!of_machine_is_compatible("lantiq,ase")) {
504 		clkdev_add_pmu("1e100c00.serial", NULL, 0, 0, PMU_ASC1);
505 		clkdev_add_pci();
506 	}
507 
508 	if (of_machine_is_compatible("lantiq,grx390") ||
509 	    of_machine_is_compatible("lantiq,ar10")) {
510 		clkdev_add_pmu("1e101000.usb", "phy", 1, 2, PMU_ANALOG_USB0_P);
511 		clkdev_add_pmu("1e106000.usb", "phy", 1, 2, PMU_ANALOG_USB1_P);
512 		/* rc 0 */
513 		clkdev_add_pmu("1d900000.pcie", "phy", 1, 2, PMU_ANALOG_PCIE0_P);
514 		clkdev_add_pmu("1d900000.pcie", "msi", 1, 1, PMU1_PCIE_MSI);
515 		clkdev_add_pmu("1d900000.pcie", "pdi", 1, 1, PMU1_PCIE_PDI);
516 		clkdev_add_pmu("1d900000.pcie", "ctl", 1, 1, PMU1_PCIE_CTL);
517 		/* rc 1 */
518 		clkdev_add_pmu("19000000.pcie", "phy", 1, 2, PMU_ANALOG_PCIE1_P);
519 		clkdev_add_pmu("19000000.pcie", "msi", 1, 1, PMU1_PCIE1_MSI);
520 		clkdev_add_pmu("19000000.pcie", "pdi", 1, 1, PMU1_PCIE1_PDI);
521 		clkdev_add_pmu("19000000.pcie", "ctl", 1, 1, PMU1_PCIE1_CTL);
522 	}
523 
524 	if (of_machine_is_compatible("lantiq,ase")) {
525 		if (ltq_cgu_r32(CGU_SYS) & (1 << 5))
526 			clkdev_add_static(CLOCK_266M, CLOCK_133M,
527 						CLOCK_133M, CLOCK_266M);
528 		else
529 			clkdev_add_static(CLOCK_133M, CLOCK_133M,
530 						CLOCK_133M, CLOCK_133M);
531 		clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0);
532 		clkdev_add_pmu("1e101000.usb", "phy", 1, 0, PMU_USB0_P);
533 		clkdev_add_pmu("1e180000.etop", "ppe", 1, 0, PMU_PPE);
534 		clkdev_add_cgu("1e180000.etop", "ephycgu", CGU_EPHY);
535 		clkdev_add_pmu("1e180000.etop", "ephy", 1, 0, PMU_EPHY);
536 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_ASE_SDIO);
537 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
538 	} else if (of_machine_is_compatible("lantiq,grx390")) {
539 		clkdev_add_static(ltq_grx390_cpu_hz(), ltq_grx390_fpi_hz(),
540 				  ltq_grx390_fpi_hz(), ltq_grx390_pp32_hz());
541 		clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0);
542 		clkdev_add_pmu("1e106000.usb", "ctl", 1, 0, PMU_USB1);
543 		/* rc 2 */
544 		clkdev_add_pmu("1a800000.pcie", "phy", 1, 2, PMU_ANALOG_PCIE2_P);
545 		clkdev_add_pmu("1a800000.pcie", "msi", 1, 1, PMU1_PCIE2_MSI);
546 		clkdev_add_pmu("1a800000.pcie", "pdi", 1, 1, PMU1_PCIE2_PDI);
547 		clkdev_add_pmu("1a800000.pcie", "ctl", 1, 1, PMU1_PCIE2_CTL);
548 		clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH | PMU_PPE_DP);
549 		clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
550 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
551 	} else if (of_machine_is_compatible("lantiq,ar10")) {
552 		clkdev_add_static(ltq_ar10_cpu_hz(), ltq_ar10_fpi_hz(),
553 				  ltq_ar10_fpi_hz(), ltq_ar10_pp32_hz());
554 		clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0);
555 		clkdev_add_pmu("1e106000.usb", "ctl", 1, 0, PMU_USB1);
556 		clkdev_add_pmu("1e108000.eth", NULL, 1, 0, PMU_SWITCH |
557 			       PMU_PPE_DP | PMU_PPE_TC);
558 		clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
559 		clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY);
560 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
561 		clkdev_add_pmu("1e116000.mei", "afe", 1, 2, PMU_ANALOG_DSL_AFE);
562 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
563 	} else if (of_machine_is_compatible("lantiq,vr9")) {
564 		clkdev_add_static(ltq_vr9_cpu_hz(), ltq_vr9_fpi_hz(),
565 				ltq_vr9_fpi_hz(), ltq_vr9_pp32_hz());
566 		clkdev_add_pmu("1e101000.usb", "phy", 1, 0, PMU_USB0_P);
567 		clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0 | PMU_AHBM);
568 		clkdev_add_pmu("1e106000.usb", "phy", 1, 0, PMU_USB1_P);
569 		clkdev_add_pmu("1e106000.usb", "ctl", 1, 0, PMU_USB1 | PMU_AHBM);
570 		clkdev_add_pmu("1d900000.pcie", "phy", 1, 1, PMU1_PCIE_PHY);
571 		clkdev_add_pmu("1d900000.pcie", "bus", 1, 0, PMU_PCIE_CLK);
572 		clkdev_add_pmu("1d900000.pcie", "msi", 1, 1, PMU1_PCIE_MSI);
573 		clkdev_add_pmu("1d900000.pcie", "pdi", 1, 1, PMU1_PCIE_PDI);
574 		clkdev_add_pmu("1d900000.pcie", "ctl", 1, 1, PMU1_PCIE_CTL);
575 		clkdev_add_pmu(NULL, "ahb", 1, 0, PMU_AHBM | PMU_AHBS);
576 
577 		clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
578 		clkdev_add_pmu("1e108000.eth", NULL, 1, 0,
579 				PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
580 				PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
581 				PMU_PPE_QSB | PMU_PPE_TOP);
582 		clkdev_add_pmu("1f203000.rcu", "gphy", 1, 0, PMU_GPHY);
583 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
584 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
585 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
586 	} else if (of_machine_is_compatible("lantiq,ar9")) {
587 		clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(),
588 				ltq_ar9_fpi_hz(), CLOCK_250M);
589 		clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0);
590 		clkdev_add_pmu("1e101000.usb", "phy", 1, 0, PMU_USB0_P);
591 		clkdev_add_pmu("1e106000.usb", "ctl", 1, 0, PMU_USB1);
592 		clkdev_add_pmu("1e106000.usb", "phy", 1, 0, PMU_USB1_P);
593 		clkdev_add_pmu("1e180000.etop", "switch", 1, 0, PMU_SWITCH);
594 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
595 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
596 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
597 		clkdev_add_pmu("1e100400.serial", NULL, 1, 0, PMU_ASC0);
598 	} else {
599 		clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(),
600 				ltq_danube_fpi_hz(), ltq_danube_pp32_hz());
601 		clkdev_add_pmu("1e101000.usb", "ctl", 1, 0, PMU_USB0);
602 		clkdev_add_pmu("1e101000.usb", "phy", 1, 0, PMU_USB0_P);
603 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
604 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
605 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
606 		clkdev_add_pmu("1e100400.serial", NULL, 1, 0, PMU_ASC0);
607 	}
608 
609 	if (of_machine_is_compatible("lantiq,vr9"))
610 		xbar_fpi_burst_disable();
611 }
612