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visorbus: switch from ioremap_cache to memremap
[linux/fpc-iii.git] / drivers / clk / spear / spear3xx_clock.c
blob404a55edd613d102f00bda3e127f7125b07fed88
1 /*
2 * SPEAr3xx machines clock framework source file
3 *
4 * Copyright (C) 2012 ST Microelectronics
5 * Viresh Kumar <vireshk@kernel.org>
6 *
7 * This file is licensed under the terms of the GNU General Public
8 * License version 2. This program is licensed "as is" without any
9 * warranty of any kind, whether express or implied.
10 */
11
12 #include <linux/clk.h>
13 #include <linux/clkdev.h>
14 #include <linux/err.h>
15 #include <linux/io.h>
16 #include <linux/of_platform.h>
17 #include <linux/spinlock_types.h>
18 #include "clk.h"
19
20 static DEFINE_SPINLOCK(_lock);
21
22 #define PLL1_CTR (misc_base + 0x008)
23 #define PLL1_FRQ (misc_base + 0x00C)
24 #define PLL2_CTR (misc_base + 0x014)
25 #define PLL2_FRQ (misc_base + 0x018)
26 #define PLL_CLK_CFG (misc_base + 0x020)
27 /* PLL_CLK_CFG register masks */
28 #define MCTR_CLK_SHIFT 28
29 #define MCTR_CLK_MASK 3
30
31 #define CORE_CLK_CFG (misc_base + 0x024)
32 /* CORE CLK CFG register masks */
33 #define GEN_SYNTH2_3_CLK_SHIFT 18
34 #define GEN_SYNTH2_3_CLK_MASK 1
35
36 #define HCLK_RATIO_SHIFT 10
37 #define HCLK_RATIO_MASK 2
38 #define PCLK_RATIO_SHIFT 8
39 #define PCLK_RATIO_MASK 2
40
41 #define PERIP_CLK_CFG (misc_base + 0x028)
42 /* PERIP_CLK_CFG register masks */
43 #define UART_CLK_SHIFT 4
44 #define UART_CLK_MASK 1
45 #define FIRDA_CLK_SHIFT 5
46 #define FIRDA_CLK_MASK 2
47 #define GPT0_CLK_SHIFT 8
48 #define GPT1_CLK_SHIFT 11
49 #define GPT2_CLK_SHIFT 12
50 #define GPT_CLK_MASK 1
51
52 #define PERIP1_CLK_ENB (misc_base + 0x02C)
53 /* PERIP1_CLK_ENB register masks */
54 #define UART_CLK_ENB 3
55 #define SSP_CLK_ENB 5
56 #define I2C_CLK_ENB 7
57 #define JPEG_CLK_ENB 8
58 #define FIRDA_CLK_ENB 10
59 #define GPT1_CLK_ENB 11
60 #define GPT2_CLK_ENB 12
61 #define ADC_CLK_ENB 15
62 #define RTC_CLK_ENB 17
63 #define GPIO_CLK_ENB 18
64 #define DMA_CLK_ENB 19
65 #define SMI_CLK_ENB 21
66 #define GMAC_CLK_ENB 23
67 #define USBD_CLK_ENB 24
68 #define USBH_CLK_ENB 25
69 #define C3_CLK_ENB 31
70
71 #define RAS_CLK_ENB (misc_base + 0x034)
72 #define RAS_AHB_CLK_ENB 0
73 #define RAS_PLL1_CLK_ENB 1
74 #define RAS_APB_CLK_ENB 2
75 #define RAS_32K_CLK_ENB 3
76 #define RAS_24M_CLK_ENB 4
77 #define RAS_48M_CLK_ENB 5
78 #define RAS_PLL2_CLK_ENB 7
79 #define RAS_SYNT0_CLK_ENB 8
80 #define RAS_SYNT1_CLK_ENB 9
81 #define RAS_SYNT2_CLK_ENB 10
82 #define RAS_SYNT3_CLK_ENB 11
83
84 #define PRSC0_CLK_CFG (misc_base + 0x044)
85 #define PRSC1_CLK_CFG (misc_base + 0x048)
86 #define PRSC2_CLK_CFG (misc_base + 0x04C)
87 #define AMEM_CLK_CFG (misc_base + 0x050)
88 #define AMEM_CLK_ENB 0
89
90 #define CLCD_CLK_SYNT (misc_base + 0x05C)
91 #define FIRDA_CLK_SYNT (misc_base + 0x060)
92 #define UART_CLK_SYNT (misc_base + 0x064)
93 #define GMAC_CLK_SYNT (misc_base + 0x068)
94 #define GEN0_CLK_SYNT (misc_base + 0x06C)
95 #define GEN1_CLK_SYNT (misc_base + 0x070)
96 #define GEN2_CLK_SYNT (misc_base + 0x074)
97 #define GEN3_CLK_SYNT (misc_base + 0x078)
98
99 /* pll rate configuration table, in ascending order of rates */
100 static struct pll_rate_tbl pll_rtbl[] = {
101 {.mode = 0, .m = 0x53, .n = 0x0C, .p = 0x1}, /* vco 332 & pll 166 MHz */
102 {.mode = 0, .m = 0x85, .n = 0x0C, .p = 0x1}, /* vco 532 & pll 266 MHz */
103 {.mode = 0, .m = 0xA6, .n = 0x0C, .p = 0x1}, /* vco 664 & pll 332 MHz */
104 };
105
106 /* aux rate configuration table, in ascending order of rates */
107 static struct aux_rate_tbl aux_rtbl[] = {
108 /* For PLL1 = 332 MHz */
109 {.xscale = 1, .yscale = 81, .eq = 0}, /* 2.049 MHz */
110 {.xscale = 1, .yscale = 59, .eq = 0}, /* 2.822 MHz */
111 {.xscale = 2, .yscale = 81, .eq = 0}, /* 4.098 MHz */
112 {.xscale = 3, .yscale = 89, .eq = 0}, /* 5.644 MHz */
113 {.xscale = 4, .yscale = 81, .eq = 0}, /* 8.197 MHz */
114 {.xscale = 4, .yscale = 59, .eq = 0}, /* 11.254 MHz */
115 {.xscale = 2, .yscale = 27, .eq = 0}, /* 12.296 MHz */
116 {.xscale = 2, .yscale = 8, .eq = 0}, /* 41.5 MHz */
117 {.xscale = 2, .yscale = 4, .eq = 0}, /* 83 MHz */
118 {.xscale = 1, .yscale = 2, .eq = 1}, /* 166 MHz */
119 };
120
121 /* gpt rate configuration table, in ascending order of rates */
122 static struct gpt_rate_tbl gpt_rtbl[] = {
123 /* For pll1 = 332 MHz */
124 {.mscale = 4, .nscale = 0}, /* 41.5 MHz */
125 {.mscale = 2, .nscale = 0}, /* 55.3 MHz */
126 {.mscale = 1, .nscale = 0}, /* 83 MHz */
127 };
128
129 /* clock parents */
130 static const char *uart0_parents[] = { "pll3_clk", "uart_syn_gclk", };
131 static const char *firda_parents[] = { "pll3_clk", "firda_syn_gclk",
132 };
133 static const char *gpt0_parents[] = { "pll3_clk", "gpt0_syn_clk", };
134 static const char *gpt1_parents[] = { "pll3_clk", "gpt1_syn_clk", };
135 static const char *gpt2_parents[] = { "pll3_clk", "gpt2_syn_clk", };
136 static const char *gen2_3_parents[] = { "pll1_clk", "pll2_clk", };
137 static const char *ddr_parents[] = { "ahb_clk", "ahbmult2_clk", "none",
138 "pll2_clk", };
139
140 #ifdef CONFIG_MACH_SPEAR300
141 static void __init spear300_clk_init(void)
142 {
143 struct clk *clk;
144
145 clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0,
146 1, 1);
147 clk_register_clkdev(clk, NULL, "60000000.clcd");
148
149 clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
150 1);
151 clk_register_clkdev(clk, NULL, "94000000.flash");
152
153 clk = clk_register_fixed_factor(NULL, "sdhci_clk", "ras_ahb_clk", 0, 1,
154 1);
155 clk_register_clkdev(clk, NULL, "70000000.sdhci");
156
157 clk = clk_register_fixed_factor(NULL, "gpio1_clk", "ras_apb_clk", 0, 1,
158 1);
159 clk_register_clkdev(clk, NULL, "a9000000.gpio");
160
161 clk = clk_register_fixed_factor(NULL, "kbd_clk", "ras_apb_clk", 0, 1,
162 1);
163 clk_register_clkdev(clk, NULL, "a0000000.kbd");
164 }
165 #else
166 static inline void spear300_clk_init(void) { }
167 #endif
168
169 /* array of all spear 310 clock lookups */
170 #ifdef CONFIG_MACH_SPEAR310
171 static void __init spear310_clk_init(void)
172 {
173 struct clk *clk;
174
175 clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1,
176 1);
177 clk_register_clkdev(clk, "emi", NULL);
178
179 clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
180 1);
181 clk_register_clkdev(clk, NULL, "44000000.flash");
182
183 clk = clk_register_fixed_factor(NULL, "tdm_clk", "ras_ahb_clk", 0, 1,
184 1);
185 clk_register_clkdev(clk, NULL, "tdm");
186
187 clk = clk_register_fixed_factor(NULL, "uart1_clk", "ras_apb_clk", 0, 1,
188 1);
189 clk_register_clkdev(clk, NULL, "b2000000.serial");
190
191 clk = clk_register_fixed_factor(NULL, "uart2_clk", "ras_apb_clk", 0, 1,
192 1);
193 clk_register_clkdev(clk, NULL, "b2080000.serial");
194
195 clk = clk_register_fixed_factor(NULL, "uart3_clk", "ras_apb_clk", 0, 1,
196 1);
197 clk_register_clkdev(clk, NULL, "b2100000.serial");
198
199 clk = clk_register_fixed_factor(NULL, "uart4_clk", "ras_apb_clk", 0, 1,
200 1);
201 clk_register_clkdev(clk, NULL, "b2180000.serial");
202
203 clk = clk_register_fixed_factor(NULL, "uart5_clk", "ras_apb_clk", 0, 1,
204 1);
205 clk_register_clkdev(clk, NULL, "b2200000.serial");
206 }
207 #else
208 static inline void spear310_clk_init(void) { }
209 #endif
210
211 /* array of all spear 320 clock lookups */
212 #ifdef CONFIG_MACH_SPEAR320
213
214 #define SPEAR320_CONTROL_REG (soc_config_base + 0x0010)
215 #define SPEAR320_EXT_CTRL_REG (soc_config_base + 0x0018)
216
217 #define SPEAR320_UARTX_PCLK_MASK 0x1
218 #define SPEAR320_UART2_PCLK_SHIFT 8
219 #define SPEAR320_UART3_PCLK_SHIFT 9
220 #define SPEAR320_UART4_PCLK_SHIFT 10
221 #define SPEAR320_UART5_PCLK_SHIFT 11
222 #define SPEAR320_UART6_PCLK_SHIFT 12
223 #define SPEAR320_RS485_PCLK_SHIFT 13
224 #define SMII_PCLK_SHIFT 18
225 #define SMII_PCLK_MASK 2
226 #define SMII_PCLK_VAL_PAD 0x0
227 #define SMII_PCLK_VAL_PLL2 0x1
228 #define SMII_PCLK_VAL_SYNTH0 0x2
229 #define SDHCI_PCLK_SHIFT 15
230 #define SDHCI_PCLK_MASK 1
231 #define SDHCI_PCLK_VAL_48M 0x0
232 #define SDHCI_PCLK_VAL_SYNTH3 0x1
233 #define I2S_REF_PCLK_SHIFT 8
234 #define I2S_REF_PCLK_MASK 1
235 #define I2S_REF_PCLK_SYNTH_VAL 0x1
236 #define I2S_REF_PCLK_PLL2_VAL 0x0
237 #define UART1_PCLK_SHIFT 6
238 #define UART1_PCLK_MASK 1
239 #define SPEAR320_UARTX_PCLK_VAL_SYNTH1 0x0
240 #define SPEAR320_UARTX_PCLK_VAL_APB 0x1
241
242 static const char *i2s_ref_parents[] = { "ras_pll2_clk", "ras_syn2_gclk", };
243 static const char *sdhci_parents[] = { "ras_pll3_clk", "ras_syn3_gclk", };
244 static const char *smii0_parents[] = { "smii_125m_pad", "ras_pll2_clk",
245 "ras_syn0_gclk", };
246 static const char *uartx_parents[] = { "ras_syn1_gclk", "ras_apb_clk", };
247
248 static void __init spear320_clk_init(void __iomem *soc_config_base,
249 struct clk *ras_apb_clk)
250 {
251 struct clk *clk;
252
253 clk = clk_register_fixed_rate(NULL, "smii_125m_pad_clk", NULL,
254 CLK_IS_ROOT, 125000000);
255 clk_register_clkdev(clk, "smii_125m_pad", NULL);
256
257 clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0,
258 1, 1);
259 clk_register_clkdev(clk, NULL, "90000000.clcd");
260
261 clk = clk_register_fixed_factor(NULL, "emi_clk", "ras_ahb_clk", 0, 1,
262 1);
263 clk_register_clkdev(clk, "emi", NULL);
264
265 clk = clk_register_fixed_factor(NULL, "fsmc_clk", "ras_ahb_clk", 0, 1,
266 1);
267 clk_register_clkdev(clk, NULL, "4c000000.flash");
268
269 clk = clk_register_fixed_factor(NULL, "i2c1_clk", "ras_ahb_clk", 0, 1,
270 1);
271 clk_register_clkdev(clk, NULL, "a7000000.i2c");
272
273 clk = clk_register_fixed_factor(NULL, "pwm_clk", "ras_ahb_clk", 0, 1,
274 1);
275 clk_register_clkdev(clk, NULL, "a8000000.pwm");
276
277 clk = clk_register_fixed_factor(NULL, "ssp1_clk", "ras_ahb_clk", 0, 1,
278 1);
279 clk_register_clkdev(clk, NULL, "a5000000.spi");
280
281 clk = clk_register_fixed_factor(NULL, "ssp2_clk", "ras_ahb_clk", 0, 1,
282 1);
283 clk_register_clkdev(clk, NULL, "a6000000.spi");
284
285 clk = clk_register_fixed_factor(NULL, "can0_clk", "ras_apb_clk", 0, 1,
286 1);
287 clk_register_clkdev(clk, NULL, "c_can_platform.0");
288
289 clk = clk_register_fixed_factor(NULL, "can1_clk", "ras_apb_clk", 0, 1,
290 1);
291 clk_register_clkdev(clk, NULL, "c_can_platform.1");
292
293 clk = clk_register_fixed_factor(NULL, "i2s_clk", "ras_apb_clk", 0, 1,
294 1);
295 clk_register_clkdev(clk, NULL, "a9400000.i2s");
296
297 clk = clk_register_mux(NULL, "i2s_ref_clk", i2s_ref_parents,
298 ARRAY_SIZE(i2s_ref_parents),
299 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
300 SPEAR320_CONTROL_REG, I2S_REF_PCLK_SHIFT,
301 I2S_REF_PCLK_MASK, 0, &_lock);
302 clk_register_clkdev(clk, "i2s_ref_clk", NULL);
303
304 clk = clk_register_fixed_factor(NULL, "i2s_sclk", "i2s_ref_clk",
305 CLK_SET_RATE_PARENT, 1,
306 4);
307 clk_register_clkdev(clk, "i2s_sclk", NULL);
308
309 clk = clk_register_fixed_factor(NULL, "macb1_clk", "ras_apb_clk", 0, 1,
310 1);
311 clk_register_clkdev(clk, "hclk", "aa000000.eth");
312
313 clk = clk_register_fixed_factor(NULL, "macb2_clk", "ras_apb_clk", 0, 1,
314 1);
315 clk_register_clkdev(clk, "hclk", "ab000000.eth");
316
317 clk = clk_register_mux(NULL, "rs485_clk", uartx_parents,
318 ARRAY_SIZE(uartx_parents),
319 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
320 SPEAR320_EXT_CTRL_REG, SPEAR320_RS485_PCLK_SHIFT,
321 SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
322 clk_register_clkdev(clk, NULL, "a9300000.serial");
323
324 clk = clk_register_mux(NULL, "sdhci_clk", sdhci_parents,
325 ARRAY_SIZE(sdhci_parents),
326 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
327 SPEAR320_CONTROL_REG, SDHCI_PCLK_SHIFT, SDHCI_PCLK_MASK,
328 0, &_lock);
329 clk_register_clkdev(clk, NULL, "70000000.sdhci");
330
331 clk = clk_register_mux(NULL, "smii_pclk", smii0_parents,
332 ARRAY_SIZE(smii0_parents), CLK_SET_RATE_NO_REPARENT,
333 SPEAR320_CONTROL_REG, SMII_PCLK_SHIFT, SMII_PCLK_MASK,
334 0, &_lock);
335 clk_register_clkdev(clk, NULL, "smii_pclk");
336
337 clk = clk_register_fixed_factor(NULL, "smii_clk", "smii_pclk", 0, 1, 1);
338 clk_register_clkdev(clk, NULL, "smii");
339
340 clk = clk_register_mux(NULL, "uart1_clk", uartx_parents,
341 ARRAY_SIZE(uartx_parents),
342 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
343 SPEAR320_CONTROL_REG, UART1_PCLK_SHIFT, UART1_PCLK_MASK,
344 0, &_lock);
345 clk_register_clkdev(clk, NULL, "a3000000.serial");
346 /* Enforce ras_apb_clk */
347 clk_set_parent(clk, ras_apb_clk);
348
349 clk = clk_register_mux(NULL, "uart2_clk", uartx_parents,
350 ARRAY_SIZE(uartx_parents),
351 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
352 SPEAR320_EXT_CTRL_REG, SPEAR320_UART2_PCLK_SHIFT,
353 SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
354 clk_register_clkdev(clk, NULL, "a4000000.serial");
355 /* Enforce ras_apb_clk */
356 clk_set_parent(clk, ras_apb_clk);
357
358 clk = clk_register_mux(NULL, "uart3_clk", uartx_parents,
359 ARRAY_SIZE(uartx_parents),
360 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
361 SPEAR320_EXT_CTRL_REG, SPEAR320_UART3_PCLK_SHIFT,
362 SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
363 clk_register_clkdev(clk, NULL, "a9100000.serial");
364
365 clk = clk_register_mux(NULL, "uart4_clk", uartx_parents,
366 ARRAY_SIZE(uartx_parents),
367 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
368 SPEAR320_EXT_CTRL_REG, SPEAR320_UART4_PCLK_SHIFT,
369 SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
370 clk_register_clkdev(clk, NULL, "a9200000.serial");
371
372 clk = clk_register_mux(NULL, "uart5_clk", uartx_parents,
373 ARRAY_SIZE(uartx_parents),
374 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
375 SPEAR320_EXT_CTRL_REG, SPEAR320_UART5_PCLK_SHIFT,
376 SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
377 clk_register_clkdev(clk, NULL, "60000000.serial");
378
379 clk = clk_register_mux(NULL, "uart6_clk", uartx_parents,
380 ARRAY_SIZE(uartx_parents),
381 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
382 SPEAR320_EXT_CTRL_REG, SPEAR320_UART6_PCLK_SHIFT,
383 SPEAR320_UARTX_PCLK_MASK, 0, &_lock);
384 clk_register_clkdev(clk, NULL, "60100000.serial");
385 }
386 #else
387 static inline void spear320_clk_init(void __iomem *sb, struct clk *rc) { }
388 #endif
389
390 void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_base)
391 {
392 struct clk *clk, *clk1, *ras_apb_clk;
393
394 clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
395 32000);
396 clk_register_clkdev(clk, "osc_32k_clk", NULL);
397
398 clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
399 24000000);
400 clk_register_clkdev(clk, "osc_24m_clk", NULL);
401
402 /* clock derived from 32 KHz osc clk */
403 clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
404 PERIP1_CLK_ENB, RTC_CLK_ENB, 0, &_lock);
405 clk_register_clkdev(clk, NULL, "fc900000.rtc");
406
407 /* clock derived from 24 MHz osc clk */
408 clk = clk_register_fixed_rate(NULL, "pll3_clk", "osc_24m_clk", 0,
409 48000000);
410 clk_register_clkdev(clk, "pll3_clk", NULL);
411
412 clk = clk_register_fixed_factor(NULL, "wdt_clk", "osc_24m_clk", 0, 1,
413 1);
414 clk_register_clkdev(clk, NULL, "fc880000.wdt");
415
416 clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL,
417 "osc_24m_clk", 0, PLL1_CTR, PLL1_FRQ, pll_rtbl,
418 ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
419 clk_register_clkdev(clk, "vco1_clk", NULL);
420 clk_register_clkdev(clk1, "pll1_clk", NULL);
421
422 clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL,
423 "osc_24m_clk", 0, PLL2_CTR, PLL2_FRQ, pll_rtbl,
424 ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
425 clk_register_clkdev(clk, "vco2_clk", NULL);
426 clk_register_clkdev(clk1, "pll2_clk", NULL);
427
428 /* clock derived from pll1 clk */
429 clk = clk_register_fixed_factor(NULL, "cpu_clk", "pll1_clk",
430 CLK_SET_RATE_PARENT, 1, 1);
431 clk_register_clkdev(clk, "cpu_clk", NULL);
432
433 clk = clk_register_divider(NULL, "ahb_clk", "pll1_clk",
434 CLK_SET_RATE_PARENT, CORE_CLK_CFG, HCLK_RATIO_SHIFT,
435 HCLK_RATIO_MASK, 0, &_lock);
436 clk_register_clkdev(clk, "ahb_clk", NULL);
437
438 clk = clk_register_aux("uart_syn_clk", "uart_syn_gclk", "pll1_clk", 0,
439 UART_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
440 &_lock, &clk1);
441 clk_register_clkdev(clk, "uart_syn_clk", NULL);
442 clk_register_clkdev(clk1, "uart_syn_gclk", NULL);
443
444 clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
445 ARRAY_SIZE(uart0_parents),
446 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
447 PERIP_CLK_CFG, UART_CLK_SHIFT, UART_CLK_MASK, 0,
448 &_lock);
449 clk_register_clkdev(clk, "uart0_mclk", NULL);
450
451 clk = clk_register_gate(NULL, "uart0", "uart0_mclk",
452 CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, UART_CLK_ENB, 0,
453 &_lock);
454 clk_register_clkdev(clk, NULL, "d0000000.serial");
455
456 clk = clk_register_aux("firda_syn_clk", "firda_syn_gclk", "pll1_clk", 0,
457 FIRDA_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
458 &_lock, &clk1);
459 clk_register_clkdev(clk, "firda_syn_clk", NULL);
460 clk_register_clkdev(clk1, "firda_syn_gclk", NULL);
461
462 clk = clk_register_mux(NULL, "firda_mclk", firda_parents,
463 ARRAY_SIZE(firda_parents),
464 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
465 PERIP_CLK_CFG, FIRDA_CLK_SHIFT, FIRDA_CLK_MASK, 0,
466 &_lock);
467 clk_register_clkdev(clk, "firda_mclk", NULL);
468
469 clk = clk_register_gate(NULL, "firda_clk", "firda_mclk",
470 CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, FIRDA_CLK_ENB, 0,
471 &_lock);
472 clk_register_clkdev(clk, NULL, "firda");
473
474 /* gpt clocks */
475 clk_register_gpt("gpt0_syn_clk", "pll1_clk", 0, PRSC0_CLK_CFG, gpt_rtbl,
476 ARRAY_SIZE(gpt_rtbl), &_lock);
477 clk = clk_register_mux(NULL, "gpt0_clk", gpt0_parents,
478 ARRAY_SIZE(gpt0_parents),
479 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
480 PERIP_CLK_CFG, GPT0_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
481 clk_register_clkdev(clk, NULL, "gpt0");
482
483 clk_register_gpt("gpt1_syn_clk", "pll1_clk", 0, PRSC1_CLK_CFG, gpt_rtbl,
484 ARRAY_SIZE(gpt_rtbl), &_lock);
485 clk = clk_register_mux(NULL, "gpt1_mclk", gpt1_parents,
486 ARRAY_SIZE(gpt1_parents),
487 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
488 PERIP_CLK_CFG, GPT1_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
489 clk_register_clkdev(clk, "gpt1_mclk", NULL);
490 clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk",
491 CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT1_CLK_ENB, 0,
492 &_lock);
493 clk_register_clkdev(clk, NULL, "gpt1");
494
495 clk_register_gpt("gpt2_syn_clk", "pll1_clk", 0, PRSC2_CLK_CFG, gpt_rtbl,
496 ARRAY_SIZE(gpt_rtbl), &_lock);
497 clk = clk_register_mux(NULL, "gpt2_mclk", gpt2_parents,
498 ARRAY_SIZE(gpt2_parents),
499 CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT,
500 PERIP_CLK_CFG, GPT2_CLK_SHIFT, GPT_CLK_MASK, 0, &_lock);
501 clk_register_clkdev(clk, "gpt2_mclk", NULL);
502 clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk",
503 CLK_SET_RATE_PARENT, PERIP1_CLK_ENB, GPT2_CLK_ENB, 0,
504 &_lock);
505 clk_register_clkdev(clk, NULL, "gpt2");
506
507 /* general synths clocks */
508 clk = clk_register_aux("gen0_syn_clk", "gen0_syn_gclk", "pll1_clk",
509 0, GEN0_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
510 &_lock, &clk1);
511 clk_register_clkdev(clk, "gen0_syn_clk", NULL);
512 clk_register_clkdev(clk1, "gen0_syn_gclk", NULL);
513
514 clk = clk_register_aux("gen1_syn_clk", "gen1_syn_gclk", "pll1_clk",
515 0, GEN1_CLK_SYNT, NULL, aux_rtbl, ARRAY_SIZE(aux_rtbl),
516 &_lock, &clk1);
517 clk_register_clkdev(clk, "gen1_syn_clk", NULL);
518 clk_register_clkdev(clk1, "gen1_syn_gclk", NULL);
519
520 clk = clk_register_mux(NULL, "gen2_3_par_clk", gen2_3_parents,
521 ARRAY_SIZE(gen2_3_parents), CLK_SET_RATE_NO_REPARENT,
522 CORE_CLK_CFG, GEN_SYNTH2_3_CLK_SHIFT,
523 GEN_SYNTH2_3_CLK_MASK, 0, &_lock);
524 clk_register_clkdev(clk, "gen2_3_par_clk", NULL);
525
526 clk = clk_register_aux("gen2_syn_clk", "gen2_syn_gclk",
527 "gen2_3_par_clk", 0, GEN2_CLK_SYNT, NULL, aux_rtbl,
528 ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
529 clk_register_clkdev(clk, "gen2_syn_clk", NULL);
530 clk_register_clkdev(clk1, "gen2_syn_gclk", NULL);
531
532 clk = clk_register_aux("gen3_syn_clk", "gen3_syn_gclk",
533 "gen2_3_par_clk", 0, GEN3_CLK_SYNT, NULL, aux_rtbl,
534 ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
535 clk_register_clkdev(clk, "gen3_syn_clk", NULL);
536 clk_register_clkdev(clk1, "gen3_syn_gclk", NULL);
537
538 /* clock derived from pll3 clk */
539 clk = clk_register_gate(NULL, "usbh_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
540 USBH_CLK_ENB, 0, &_lock);
541 clk_register_clkdev(clk, NULL, "e1800000.ehci");
542 clk_register_clkdev(clk, NULL, "e1900000.ohci");
543 clk_register_clkdev(clk, NULL, "e2100000.ohci");
544
545 clk = clk_register_fixed_factor(NULL, "usbh.0_clk", "usbh_clk", 0, 1,
546 1);
547 clk_register_clkdev(clk, "usbh.0_clk", NULL);
548
549 clk = clk_register_fixed_factor(NULL, "usbh.1_clk", "usbh_clk", 0, 1,
550 1);
551 clk_register_clkdev(clk, "usbh.1_clk", NULL);
552
553 clk = clk_register_gate(NULL, "usbd_clk", "pll3_clk", 0, PERIP1_CLK_ENB,
554 USBD_CLK_ENB, 0, &_lock);
555 clk_register_clkdev(clk, NULL, "e1100000.usbd");
556
557 /* clock derived from ahb clk */
558 clk = clk_register_fixed_factor(NULL, "ahbmult2_clk", "ahb_clk", 0, 2,
559 1);
560 clk_register_clkdev(clk, "ahbmult2_clk", NULL);
561
562 clk = clk_register_mux(NULL, "ddr_clk", ddr_parents,
563 ARRAY_SIZE(ddr_parents), CLK_SET_RATE_NO_REPARENT,
564 PLL_CLK_CFG, MCTR_CLK_SHIFT, MCTR_CLK_MASK, 0, &_lock);
565 clk_register_clkdev(clk, "ddr_clk", NULL);
566
567 clk = clk_register_divider(NULL, "apb_clk", "ahb_clk",
568 CLK_SET_RATE_PARENT, CORE_CLK_CFG, PCLK_RATIO_SHIFT,
569 PCLK_RATIO_MASK, 0, &_lock);
570 clk_register_clkdev(clk, "apb_clk", NULL);
571
572 clk = clk_register_gate(NULL, "amem_clk", "ahb_clk", 0, AMEM_CLK_CFG,
573 AMEM_CLK_ENB, 0, &_lock);
574 clk_register_clkdev(clk, "amem_clk", NULL);
575
576 clk = clk_register_gate(NULL, "c3_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
577 C3_CLK_ENB, 0, &_lock);
578 clk_register_clkdev(clk, NULL, "c3_clk");
579
580 clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
581 DMA_CLK_ENB, 0, &_lock);
582 clk_register_clkdev(clk, NULL, "fc400000.dma");
583
584 clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
585 GMAC_CLK_ENB, 0, &_lock);
586 clk_register_clkdev(clk, NULL, "e0800000.eth");
587
588 clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
589 I2C_CLK_ENB, 0, &_lock);
590 clk_register_clkdev(clk, NULL, "d0180000.i2c");
591
592 clk = clk_register_gate(NULL, "jpeg_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
593 JPEG_CLK_ENB, 0, &_lock);
594 clk_register_clkdev(clk, NULL, "jpeg");
595
596 clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0, PERIP1_CLK_ENB,
597 SMI_CLK_ENB, 0, &_lock);
598 clk_register_clkdev(clk, NULL, "fc000000.flash");
599
600 /* clock derived from apb clk */
601 clk = clk_register_gate(NULL, "adc_clk", "apb_clk", 0, PERIP1_CLK_ENB,
602 ADC_CLK_ENB, 0, &_lock);
603 clk_register_clkdev(clk, NULL, "d0080000.adc");
604
605 clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
606 GPIO_CLK_ENB, 0, &_lock);
607 clk_register_clkdev(clk, NULL, "fc980000.gpio");
608
609 clk = clk_register_gate(NULL, "ssp0_clk", "apb_clk", 0, PERIP1_CLK_ENB,
610 SSP_CLK_ENB, 0, &_lock);
611 clk_register_clkdev(clk, NULL, "d0100000.spi");
612
613 /* RAS clk enable */
614 clk = clk_register_gate(NULL, "ras_ahb_clk", "ahb_clk", 0, RAS_CLK_ENB,
615 RAS_AHB_CLK_ENB, 0, &_lock);
616 clk_register_clkdev(clk, "ras_ahb_clk", NULL);
617
618 clk = clk_register_gate(NULL, "ras_apb_clk", "apb_clk", 0, RAS_CLK_ENB,
619 RAS_APB_CLK_ENB, 0, &_lock);
620 clk_register_clkdev(clk, "ras_apb_clk", NULL);
621 ras_apb_clk = clk;
622
623 clk = clk_register_gate(NULL, "ras_32k_clk", "osc_32k_clk", 0,
624 RAS_CLK_ENB, RAS_32K_CLK_ENB, 0, &_lock);
625 clk_register_clkdev(clk, "ras_32k_clk", NULL);
626
627 clk = clk_register_gate(NULL, "ras_24m_clk", "osc_24m_clk", 0,
628 RAS_CLK_ENB, RAS_24M_CLK_ENB, 0, &_lock);
629 clk_register_clkdev(clk, "ras_24m_clk", NULL);
630
631 clk = clk_register_gate(NULL, "ras_pll1_clk", "pll1_clk", 0,
632 RAS_CLK_ENB, RAS_PLL1_CLK_ENB, 0, &_lock);
633 clk_register_clkdev(clk, "ras_pll1_clk", NULL);
634
635 clk = clk_register_gate(NULL, "ras_pll2_clk", "pll2_clk", 0,
636 RAS_CLK_ENB, RAS_PLL2_CLK_ENB, 0, &_lock);
637 clk_register_clkdev(clk, "ras_pll2_clk", NULL);
638
639 clk = clk_register_gate(NULL, "ras_pll3_clk", "pll3_clk", 0,
640 RAS_CLK_ENB, RAS_48M_CLK_ENB, 0, &_lock);
641 clk_register_clkdev(clk, "ras_pll3_clk", NULL);
642
643 clk = clk_register_gate(NULL, "ras_syn0_gclk", "gen0_syn_gclk",
644 CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT0_CLK_ENB, 0,
645 &_lock);
646 clk_register_clkdev(clk, "ras_syn0_gclk", NULL);
647
648 clk = clk_register_gate(NULL, "ras_syn1_gclk", "gen1_syn_gclk",
649 CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT1_CLK_ENB, 0,
650 &_lock);
651 clk_register_clkdev(clk, "ras_syn1_gclk", NULL);
652
653 clk = clk_register_gate(NULL, "ras_syn2_gclk", "gen2_syn_gclk",
654 CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT2_CLK_ENB, 0,
655 &_lock);
656 clk_register_clkdev(clk, "ras_syn2_gclk", NULL);
657
658 clk = clk_register_gate(NULL, "ras_syn3_gclk", "gen3_syn_gclk",
659 CLK_SET_RATE_PARENT, RAS_CLK_ENB, RAS_SYNT3_CLK_ENB, 0,
660 &_lock);
661 clk_register_clkdev(clk, "ras_syn3_gclk", NULL);
662
663 if (of_machine_is_compatible("st,spear300"))
664 spear300_clk_init();
665 else if (of_machine_is_compatible("st,spear310"))
666 spear310_clk_init();
667 else if (of_machine_is_compatible("st,spear320"))
668 spear320_clk_init(soc_config_base, ras_apb_clk);
669 }
Linux with added FPC-III support