xref: /openbmc/linux/arch/mips/lantiq/xway/sysctrl.c (revision b9b77222)
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 static void __iomem *pmu_membase;
149 void __iomem *ltq_cgu_membase;
150 void __iomem *ltq_ebu_membase;
151 
152 static u32 ifccr = CGU_IFCCR;
153 static u32 pcicr = CGU_PCICR;
154 
155 static DEFINE_SPINLOCK(g_pmu_lock);
156 
157 /* legacy function kept alive to ease clkdev transition */
158 void ltq_pmu_enable(unsigned int module)
159 {
160 	int retry = 1000000;
161 
162 	spin_lock(&g_pmu_lock);
163 	pmu_w32(pmu_r32(PMU_PWDCR) & ~module, PMU_PWDCR);
164 	do {} while (--retry && (pmu_r32(PMU_PWDSR) & module));
165 	spin_unlock(&g_pmu_lock);
166 
167 	if (!retry)
168 		panic("activating PMU module failed!");
169 }
170 EXPORT_SYMBOL(ltq_pmu_enable);
171 
172 /* legacy function kept alive to ease clkdev transition */
173 void ltq_pmu_disable(unsigned int module)
174 {
175 	int retry = 1000000;
176 
177 	spin_lock(&g_pmu_lock);
178 	pmu_w32(pmu_r32(PMU_PWDCR) | module, PMU_PWDCR);
179 	do {} while (--retry && (!(pmu_r32(PMU_PWDSR) & module)));
180 	spin_unlock(&g_pmu_lock);
181 
182 	if (!retry)
183 		pr_warn("deactivating PMU module failed!");
184 }
185 EXPORT_SYMBOL(ltq_pmu_disable);
186 
187 /* enable a hw clock */
188 static int cgu_enable(struct clk *clk)
189 {
190 	ltq_cgu_w32(ltq_cgu_r32(ifccr) | clk->bits, ifccr);
191 	return 0;
192 }
193 
194 /* disable a hw clock */
195 static void cgu_disable(struct clk *clk)
196 {
197 	ltq_cgu_w32(ltq_cgu_r32(ifccr) & ~clk->bits, ifccr);
198 }
199 
200 /* enable a clock gate */
201 static int pmu_enable(struct clk *clk)
202 {
203 	int retry = 1000000;
204 
205 	if (of_machine_is_compatible("lantiq,ar10")
206 	    || of_machine_is_compatible("lantiq,grx390")) {
207 		pmu_w32(clk->bits, PWDCR_EN_XRX(clk->module));
208 		do {} while (--retry &&
209 			     (!(pmu_r32(PWDSR_XRX(clk->module)) & clk->bits)));
210 
211 	} else {
212 		spin_lock(&g_pmu_lock);
213 		pmu_w32(pmu_r32(PWDCR(clk->module)) & ~clk->bits,
214 				PWDCR(clk->module));
215 		do {} while (--retry &&
216 			     (pmu_r32(PWDSR(clk->module)) & clk->bits));
217 		spin_unlock(&g_pmu_lock);
218 	}
219 
220 	if (!retry)
221 		panic("activating PMU module failed!");
222 
223 	return 0;
224 }
225 
226 /* disable a clock gate */
227 static void pmu_disable(struct clk *clk)
228 {
229 	int retry = 1000000;
230 
231 	if (of_machine_is_compatible("lantiq,ar10")
232 	    || of_machine_is_compatible("lantiq,grx390")) {
233 		pmu_w32(clk->bits, PWDCR_DIS_XRX(clk->module));
234 		do {} while (--retry &&
235 			     (pmu_r32(PWDSR_XRX(clk->module)) & clk->bits));
236 	} else {
237 		spin_lock(&g_pmu_lock);
238 		pmu_w32(pmu_r32(PWDCR(clk->module)) | clk->bits,
239 				PWDCR(clk->module));
240 		do {} while (--retry &&
241 			     (!(pmu_r32(PWDSR(clk->module)) & clk->bits)));
242 		spin_unlock(&g_pmu_lock);
243 	}
244 
245 	if (!retry)
246 		pr_warn("deactivating PMU module failed!");
247 }
248 
249 /* the pci enable helper */
250 static int pci_enable(struct clk *clk)
251 {
252 	unsigned int val = ltq_cgu_r32(ifccr);
253 	/* set bus clock speed */
254 	if (of_machine_is_compatible("lantiq,ar9") ||
255 			of_machine_is_compatible("lantiq,vr9")) {
256 		val &= ~0x1f00000;
257 		if (clk->rate == CLOCK_33M)
258 			val |= 0xe00000;
259 		else
260 			val |= 0x700000; /* 62.5M */
261 	} else {
262 		val &= ~0xf00000;
263 		if (clk->rate == CLOCK_33M)
264 			val |= 0x800000;
265 		else
266 			val |= 0x400000; /* 62.5M */
267 	}
268 	ltq_cgu_w32(val, ifccr);
269 	pmu_enable(clk);
270 	return 0;
271 }
272 
273 /* enable the external clock as a source */
274 static int pci_ext_enable(struct clk *clk)
275 {
276 	ltq_cgu_w32(ltq_cgu_r32(ifccr) & ~(1 << 16), ifccr);
277 	ltq_cgu_w32((1 << 30), pcicr);
278 	return 0;
279 }
280 
281 /* disable the external clock as a source */
282 static void pci_ext_disable(struct clk *clk)
283 {
284 	ltq_cgu_w32(ltq_cgu_r32(ifccr) | (1 << 16), ifccr);
285 	ltq_cgu_w32((1 << 31) | (1 << 30), pcicr);
286 }
287 
288 /* enable a clockout source */
289 static int clkout_enable(struct clk *clk)
290 {
291 	int i;
292 
293 	/* get the correct rate */
294 	for (i = 0; i < 4; i++) {
295 		if (clk->rates[i] == clk->rate) {
296 			int shift = 14 - (2 * clk->module);
297 			int enable = 7 - clk->module;
298 			unsigned int val = ltq_cgu_r32(ifccr);
299 
300 			val &= ~(3 << shift);
301 			val |= i << shift;
302 			val |= enable;
303 			ltq_cgu_w32(val, ifccr);
304 			return 0;
305 		}
306 	}
307 	return -1;
308 }
309 
310 /* manage the clock gates via PMU */
311 static void clkdev_add_pmu(const char *dev, const char *con, bool deactivate,
312 			   unsigned int module, unsigned int bits)
313 {
314 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
315 
316 	clk->cl.dev_id = dev;
317 	clk->cl.con_id = con;
318 	clk->cl.clk = clk;
319 	clk->enable = pmu_enable;
320 	clk->disable = pmu_disable;
321 	clk->module = module;
322 	clk->bits = bits;
323 	if (deactivate) {
324 		/*
325 		 * Disable it during the initialization. Module should enable
326 		 * when used
327 		 */
328 		pmu_disable(clk);
329 	}
330 	clkdev_add(&clk->cl);
331 }
332 
333 /* manage the clock generator */
334 static void clkdev_add_cgu(const char *dev, const char *con,
335 					unsigned int bits)
336 {
337 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
338 
339 	clk->cl.dev_id = dev;
340 	clk->cl.con_id = con;
341 	clk->cl.clk = clk;
342 	clk->enable = cgu_enable;
343 	clk->disable = cgu_disable;
344 	clk->bits = bits;
345 	clkdev_add(&clk->cl);
346 }
347 
348 /* pci needs its own enable function as the setup is a bit more complex */
349 static unsigned long valid_pci_rates[] = {CLOCK_33M, CLOCK_62_5M, 0};
350 
351 static void clkdev_add_pci(void)
352 {
353 	struct clk *clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
354 	struct clk *clk_ext = kzalloc(sizeof(struct clk), GFP_KERNEL);
355 
356 	/* main pci clock */
357 	clk->cl.dev_id = "17000000.pci";
358 	clk->cl.con_id = NULL;
359 	clk->cl.clk = clk;
360 	clk->rate = CLOCK_33M;
361 	clk->rates = valid_pci_rates;
362 	clk->enable = pci_enable;
363 	clk->disable = pmu_disable;
364 	clk->module = 0;
365 	clk->bits = PMU_PCI;
366 	clkdev_add(&clk->cl);
367 
368 	/* use internal/external bus clock */
369 	clk_ext->cl.dev_id = "17000000.pci";
370 	clk_ext->cl.con_id = "external";
371 	clk_ext->cl.clk = clk_ext;
372 	clk_ext->enable = pci_ext_enable;
373 	clk_ext->disable = pci_ext_disable;
374 	clkdev_add(&clk_ext->cl);
375 }
376 
377 /* xway socs can generate clocks on gpio pins */
378 static unsigned long valid_clkout_rates[4][5] = {
379 	{CLOCK_32_768K, CLOCK_1_536M, CLOCK_2_5M, CLOCK_12M, 0},
380 	{CLOCK_40M, CLOCK_12M, CLOCK_24M, CLOCK_48M, 0},
381 	{CLOCK_25M, CLOCK_40M, CLOCK_30M, CLOCK_60M, 0},
382 	{CLOCK_12M, CLOCK_50M, CLOCK_32_768K, CLOCK_25M, 0},
383 };
384 
385 static void clkdev_add_clkout(void)
386 {
387 	int i;
388 
389 	for (i = 0; i < 4; i++) {
390 		struct clk *clk;
391 		char *name;
392 
393 		name = kzalloc(sizeof("clkout0"), GFP_KERNEL);
394 		sprintf(name, "clkout%d", i);
395 
396 		clk = kzalloc(sizeof(struct clk), GFP_KERNEL);
397 		clk->cl.dev_id = "1f103000.cgu";
398 		clk->cl.con_id = name;
399 		clk->cl.clk = clk;
400 		clk->rate = 0;
401 		clk->rates = valid_clkout_rates[i];
402 		clk->enable = clkout_enable;
403 		clk->module = i;
404 		clkdev_add(&clk->cl);
405 	}
406 }
407 
408 /* bring up all register ranges that we need for basic system control */
409 void __init ltq_soc_init(void)
410 {
411 	struct resource res_pmu, res_cgu, res_ebu;
412 	struct device_node *np_pmu =
413 			of_find_compatible_node(NULL, NULL, "lantiq,pmu-xway");
414 	struct device_node *np_cgu =
415 			of_find_compatible_node(NULL, NULL, "lantiq,cgu-xway");
416 	struct device_node *np_ebu =
417 			of_find_compatible_node(NULL, NULL, "lantiq,ebu-xway");
418 
419 	/* check if all the core register ranges are available */
420 	if (!np_pmu || !np_cgu || !np_ebu)
421 		panic("Failed to load core nodes from devicetree");
422 
423 	if (of_address_to_resource(np_pmu, 0, &res_pmu) ||
424 			of_address_to_resource(np_cgu, 0, &res_cgu) ||
425 			of_address_to_resource(np_ebu, 0, &res_ebu))
426 		panic("Failed to get core resources");
427 
428 	if (!request_mem_region(res_pmu.start, resource_size(&res_pmu),
429 				res_pmu.name) ||
430 		!request_mem_region(res_cgu.start, resource_size(&res_cgu),
431 				res_cgu.name) ||
432 		!request_mem_region(res_ebu.start, resource_size(&res_ebu),
433 				res_ebu.name))
434 		pr_err("Failed to request core resources");
435 
436 	pmu_membase = ioremap_nocache(res_pmu.start, resource_size(&res_pmu));
437 	ltq_cgu_membase = ioremap_nocache(res_cgu.start,
438 						resource_size(&res_cgu));
439 	ltq_ebu_membase = ioremap_nocache(res_ebu.start,
440 						resource_size(&res_ebu));
441 	if (!pmu_membase || !ltq_cgu_membase || !ltq_ebu_membase)
442 		panic("Failed to remap core resources");
443 
444 	/* make sure to unprotect the memory region where flash is located */
445 	ltq_ebu_w32(ltq_ebu_r32(LTQ_EBU_BUSCON0) & ~EBU_WRDIS, LTQ_EBU_BUSCON0);
446 
447 	/* add our generic xway clocks */
448 	clkdev_add_pmu("10000000.fpi", NULL, 0, 0, PMU_FPI);
449 	clkdev_add_pmu("1e100a00.gptu", NULL, 1, 0, PMU_GPT);
450 	clkdev_add_pmu("1e100bb0.stp", NULL, 1, 0, PMU_STP);
451 	clkdev_add_pmu("1e100c00.serial", NULL, 0, 0, PMU_ASC1);
452 	clkdev_add_pmu("1e104100.dma", NULL, 1, 0, PMU_DMA);
453 	clkdev_add_pmu("1e100800.spi", NULL, 1, 0, PMU_SPI);
454 	clkdev_add_pmu("1e105300.ebu", NULL, 0, 0, PMU_EBU);
455 	clkdev_add_clkout();
456 
457 	/* add the soc dependent clocks */
458 	if (of_machine_is_compatible("lantiq,vr9")) {
459 		ifccr = CGU_IFCCR_VR9;
460 		pcicr = CGU_PCICR_VR9;
461 	} else {
462 		clkdev_add_pmu("1e180000.etop", NULL, 1, 0, PMU_PPE);
463 	}
464 
465 	if (!of_machine_is_compatible("lantiq,ase"))
466 		clkdev_add_pci();
467 
468 	if (of_machine_is_compatible("lantiq,grx390") ||
469 	    of_machine_is_compatible("lantiq,ar10")) {
470 		clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 2, PMU_ANALOG_USB0_P);
471 		clkdev_add_pmu("1f203034.usb2-phy", "phy", 1, 2, PMU_ANALOG_USB1_P);
472 		/* rc 0 */
473 		clkdev_add_pmu("1d900000.pcie", "phy", 1, 2, PMU_ANALOG_PCIE0_P);
474 		clkdev_add_pmu("1d900000.pcie", "msi", 1, 1, PMU1_PCIE_MSI);
475 		clkdev_add_pmu("1d900000.pcie", "pdi", 1, 1, PMU1_PCIE_PDI);
476 		clkdev_add_pmu("1d900000.pcie", "ctl", 1, 1, PMU1_PCIE_CTL);
477 		/* rc 1 */
478 		clkdev_add_pmu("19000000.pcie", "phy", 1, 2, PMU_ANALOG_PCIE1_P);
479 		clkdev_add_pmu("19000000.pcie", "msi", 1, 1, PMU1_PCIE1_MSI);
480 		clkdev_add_pmu("19000000.pcie", "pdi", 1, 1, PMU1_PCIE1_PDI);
481 		clkdev_add_pmu("19000000.pcie", "ctl", 1, 1, PMU1_PCIE1_CTL);
482 	}
483 
484 	if (of_machine_is_compatible("lantiq,ase")) {
485 		if (ltq_cgu_r32(CGU_SYS) & (1 << 5))
486 			clkdev_add_static(CLOCK_266M, CLOCK_133M,
487 						CLOCK_133M, CLOCK_266M);
488 		else
489 			clkdev_add_static(CLOCK_133M, CLOCK_133M,
490 						CLOCK_133M, CLOCK_133M);
491 		clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0);
492 		clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
493 		clkdev_add_pmu("1e180000.etop", "ppe", 1, 0, PMU_PPE);
494 		clkdev_add_cgu("1e180000.etop", "ephycgu", CGU_EPHY);
495 		clkdev_add_pmu("1e180000.etop", "ephy", 1, 0, PMU_EPHY);
496 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_ASE_SDIO);
497 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
498 	} else if (of_machine_is_compatible("lantiq,grx390")) {
499 		clkdev_add_static(ltq_grx390_cpu_hz(), ltq_grx390_fpi_hz(),
500 				  ltq_grx390_fpi_hz(), ltq_grx390_pp32_hz());
501 		clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0);
502 		clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1);
503 		/* rc 2 */
504 		clkdev_add_pmu("1a800000.pcie", "phy", 1, 2, PMU_ANALOG_PCIE2_P);
505 		clkdev_add_pmu("1a800000.pcie", "msi", 1, 1, PMU1_PCIE2_MSI);
506 		clkdev_add_pmu("1a800000.pcie", "pdi", 1, 1, PMU1_PCIE2_PDI);
507 		clkdev_add_pmu("1a800000.pcie", "ctl", 1, 1, PMU1_PCIE2_CTL);
508 		clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH | PMU_PPE_DP);
509 		clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
510 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
511 	} else if (of_machine_is_compatible("lantiq,ar10")) {
512 		clkdev_add_static(ltq_ar10_cpu_hz(), ltq_ar10_fpi_hz(),
513 				  ltq_ar10_fpi_hz(), ltq_ar10_pp32_hz());
514 		clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0);
515 		clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1);
516 		clkdev_add_pmu("1e108000.eth", NULL, 0, 0, PMU_SWITCH |
517 			       PMU_PPE_DP | PMU_PPE_TC);
518 		clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
519 		clkdev_add_pmu("1f203020.gphy", NULL, 1, 0, PMU_GPHY);
520 		clkdev_add_pmu("1f203068.gphy", NULL, 1, 0, PMU_GPHY);
521 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
522 		clkdev_add_pmu("1e116000.mei", "afe", 1, 2, PMU_ANALOG_DSL_AFE);
523 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
524 	} else if (of_machine_is_compatible("lantiq,vr9")) {
525 		clkdev_add_static(ltq_vr9_cpu_hz(), ltq_vr9_fpi_hz(),
526 				ltq_vr9_fpi_hz(), ltq_vr9_pp32_hz());
527 		clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
528 		clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM);
529 		clkdev_add_pmu("1f203034.usb2-phy", "phy", 1, 0, PMU_USB1_P);
530 		clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1 | PMU_AHBM);
531 		clkdev_add_pmu("1d900000.pcie", "phy", 1, 1, PMU1_PCIE_PHY);
532 		clkdev_add_pmu("1d900000.pcie", "bus", 1, 0, PMU_PCIE_CLK);
533 		clkdev_add_pmu("1d900000.pcie", "msi", 1, 1, PMU1_PCIE_MSI);
534 		clkdev_add_pmu("1d900000.pcie", "pdi", 1, 1, PMU1_PCIE_PDI);
535 		clkdev_add_pmu("1d900000.pcie", "ctl", 1, 1, PMU1_PCIE_CTL);
536 		clkdev_add_pmu(NULL, "ahb", 1, 0, PMU_AHBM | PMU_AHBS);
537 
538 		clkdev_add_pmu("1da00000.usif", "NULL", 1, 0, PMU_USIF);
539 		clkdev_add_pmu("1e108000.eth", NULL, 0, 0,
540 				PMU_SWITCH | PMU_PPE_DPLUS | PMU_PPE_DPLUM |
541 				PMU_PPE_EMA | PMU_PPE_TC | PMU_PPE_SLL01 |
542 				PMU_PPE_QSB | PMU_PPE_TOP);
543 		clkdev_add_pmu("1f203020.gphy", NULL, 0, 0, PMU_GPHY);
544 		clkdev_add_pmu("1f203068.gphy", NULL, 0, 0, PMU_GPHY);
545 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
546 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
547 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
548 	} else if (of_machine_is_compatible("lantiq,ar9")) {
549 		clkdev_add_static(ltq_ar9_cpu_hz(), ltq_ar9_fpi_hz(),
550 				ltq_ar9_fpi_hz(), CLOCK_250M);
551 		clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
552 		clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM);
553 		clkdev_add_pmu("1f203034.usb2-phy", "phy", 1, 0, PMU_USB1_P);
554 		clkdev_add_pmu("1e106000.usb", "otg", 1, 0, PMU_USB1 | PMU_AHBM);
555 		clkdev_add_pmu("1e180000.etop", "switch", 1, 0, PMU_SWITCH);
556 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
557 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
558 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
559 		clkdev_add_pmu("1e100400.serial", NULL, 1, 0, PMU_ASC0);
560 	} else {
561 		clkdev_add_static(ltq_danube_cpu_hz(), ltq_danube_fpi_hz(),
562 				ltq_danube_fpi_hz(), ltq_danube_pp32_hz());
563 		clkdev_add_pmu("1e101000.usb", "otg", 1, 0, PMU_USB0 | PMU_AHBM);
564 		clkdev_add_pmu("1f203018.usb2-phy", "phy", 1, 0, PMU_USB0_P);
565 		clkdev_add_pmu("1e103000.sdio", NULL, 1, 0, PMU_SDIO);
566 		clkdev_add_pmu("1e103100.deu", NULL, 1, 0, PMU_DEU);
567 		clkdev_add_pmu("1e116000.mei", "dfe", 1, 0, PMU_DFE);
568 		clkdev_add_pmu("1e100400.serial", NULL, 1, 0, PMU_ASC0);
569 	}
570 }
571