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1 /*
2  * arch/arm/mach-spear13xx/spear1340_clock.c
3  *
4  * SPEAr1340 machine clock framework source file
5  *
6  * Copyright (C) 2012 ST Microelectronics
7  * Viresh Kumar <viresh.linux@gmail.com>
8  *
9  * This file is licensed under the terms of the GNU General Public
10  * License version 2. This program is licensed "as is" without any
11  * warranty of any kind, whether express or implied.
12  */
13
14 #include <linux/clk.h>
15 #include <linux/clkdev.h>
16 #include <linux/err.h>
17 #include <linux/io.h>
18 #include <linux/of_platform.h>
19 #include <linux/spinlock_types.h>
20 #include <mach/spear.h>
21 #include "clk.h"
22
23 /* Clock Configuration Registers */
24 #define SPEAR1340_SYS_CLK_CTRL                  (VA_MISC_BASE + 0x200)
25         #define SPEAR1340_HCLK_SRC_SEL_SHIFT    27
26         #define SPEAR1340_HCLK_SRC_SEL_MASK     1
27         #define SPEAR1340_SCLK_SRC_SEL_SHIFT    23
28         #define SPEAR1340_SCLK_SRC_SEL_MASK     3
29
30 /* PLL related registers and bit values */
31 #define SPEAR1340_PLL_CFG                       (VA_MISC_BASE + 0x210)
32         /* PLL_CFG bit values */
33         #define SPEAR1340_CLCD_SYNT_CLK_MASK            1
34         #define SPEAR1340_CLCD_SYNT_CLK_SHIFT           31
35         #define SPEAR1340_GEN_SYNT2_3_CLK_SHIFT         29
36         #define SPEAR1340_GEN_SYNT_CLK_MASK             2
37         #define SPEAR1340_GEN_SYNT0_1_CLK_SHIFT         27
38         #define SPEAR1340_PLL_CLK_MASK                  2
39         #define SPEAR1340_PLL3_CLK_SHIFT                24
40         #define SPEAR1340_PLL2_CLK_SHIFT                22
41         #define SPEAR1340_PLL1_CLK_SHIFT                20
42
43 #define SPEAR1340_PLL1_CTR                      (VA_MISC_BASE + 0x214)
44 #define SPEAR1340_PLL1_FRQ                      (VA_MISC_BASE + 0x218)
45 #define SPEAR1340_PLL2_CTR                      (VA_MISC_BASE + 0x220)
46 #define SPEAR1340_PLL2_FRQ                      (VA_MISC_BASE + 0x224)
47 #define SPEAR1340_PLL3_CTR                      (VA_MISC_BASE + 0x22C)
48 #define SPEAR1340_PLL3_FRQ                      (VA_MISC_BASE + 0x230)
49 #define SPEAR1340_PLL4_CTR                      (VA_MISC_BASE + 0x238)
50 #define SPEAR1340_PLL4_FRQ                      (VA_MISC_BASE + 0x23C)
51 #define SPEAR1340_PERIP_CLK_CFG                 (VA_MISC_BASE + 0x244)
52         /* PERIP_CLK_CFG bit values */
53         #define SPEAR1340_SPDIF_CLK_MASK                1
54         #define SPEAR1340_SPDIF_OUT_CLK_SHIFT           15
55         #define SPEAR1340_SPDIF_IN_CLK_SHIFT            14
56         #define SPEAR1340_GPT3_CLK_SHIFT                13
57         #define SPEAR1340_GPT2_CLK_SHIFT                12
58         #define SPEAR1340_GPT_CLK_MASK                  1
59         #define SPEAR1340_GPT1_CLK_SHIFT                9
60         #define SPEAR1340_GPT0_CLK_SHIFT                8
61         #define SPEAR1340_UART_CLK_MASK                 2
62         #define SPEAR1340_UART1_CLK_SHIFT               6
63         #define SPEAR1340_UART0_CLK_SHIFT               4
64         #define SPEAR1340_CLCD_CLK_MASK                 2
65         #define SPEAR1340_CLCD_CLK_SHIFT                2
66         #define SPEAR1340_C3_CLK_MASK                   1
67         #define SPEAR1340_C3_CLK_SHIFT                  1
68
69 #define SPEAR1340_GMAC_CLK_CFG                  (VA_MISC_BASE + 0x248)
70         #define SPEAR1340_GMAC_PHY_CLK_MASK             1
71         #define SPEAR1340_GMAC_PHY_CLK_SHIFT            2
72         #define SPEAR1340_GMAC_PHY_INPUT_CLK_MASK       2
73         #define SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT      0
74
75 #define SPEAR1340_I2S_CLK_CFG                   (VA_MISC_BASE + 0x24C)
76         /* I2S_CLK_CFG register mask */
77         #define SPEAR1340_I2S_SCLK_X_MASK               0x1F
78         #define SPEAR1340_I2S_SCLK_X_SHIFT              27
79         #define SPEAR1340_I2S_SCLK_Y_MASK               0x1F
80         #define SPEAR1340_I2S_SCLK_Y_SHIFT              22
81         #define SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT         21
82         #define SPEAR1340_I2S_SCLK_SYNTH_ENB            20
83         #define SPEAR1340_I2S_PRS1_CLK_X_MASK           0xFF
84         #define SPEAR1340_I2S_PRS1_CLK_X_SHIFT          12
85         #define SPEAR1340_I2S_PRS1_CLK_Y_MASK           0xFF
86         #define SPEAR1340_I2S_PRS1_CLK_Y_SHIFT          4
87         #define SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT         3
88         #define SPEAR1340_I2S_REF_SEL_MASK              1
89         #define SPEAR1340_I2S_REF_SHIFT                 2
90         #define SPEAR1340_I2S_SRC_CLK_MASK              2
91         #define SPEAR1340_I2S_SRC_CLK_SHIFT             0
92
93 #define SPEAR1340_C3_CLK_SYNT                   (VA_MISC_BASE + 0x250)
94 #define SPEAR1340_UART0_CLK_SYNT                (VA_MISC_BASE + 0x254)
95 #define SPEAR1340_UART1_CLK_SYNT                (VA_MISC_BASE + 0x258)
96 #define SPEAR1340_GMAC_CLK_SYNT                 (VA_MISC_BASE + 0x25C)
97 #define SPEAR1340_SDHCI_CLK_SYNT                (VA_MISC_BASE + 0x260)
98 #define SPEAR1340_CFXD_CLK_SYNT                 (VA_MISC_BASE + 0x264)
99 #define SPEAR1340_ADC_CLK_SYNT                  (VA_MISC_BASE + 0x270)
100 #define SPEAR1340_AMBA_CLK_SYNT                 (VA_MISC_BASE + 0x274)
101 #define SPEAR1340_CLCD_CLK_SYNT                 (VA_MISC_BASE + 0x27C)
102 #define SPEAR1340_SYS_CLK_SYNT                  (VA_MISC_BASE + 0x284)
103 #define SPEAR1340_GEN_CLK_SYNT0                 (VA_MISC_BASE + 0x28C)
104 #define SPEAR1340_GEN_CLK_SYNT1                 (VA_MISC_BASE + 0x294)
105 #define SPEAR1340_GEN_CLK_SYNT2                 (VA_MISC_BASE + 0x29C)
106 #define SPEAR1340_GEN_CLK_SYNT3                 (VA_MISC_BASE + 0x304)
107 #define SPEAR1340_PERIP1_CLK_ENB                (VA_MISC_BASE + 0x30C)
108         #define SPEAR1340_RTC_CLK_ENB                   31
109         #define SPEAR1340_ADC_CLK_ENB                   30
110         #define SPEAR1340_C3_CLK_ENB                    29
111         #define SPEAR1340_CLCD_CLK_ENB                  27
112         #define SPEAR1340_DMA_CLK_ENB                   25
113         #define SPEAR1340_GPIO1_CLK_ENB                 24
114         #define SPEAR1340_GPIO0_CLK_ENB                 23
115         #define SPEAR1340_GPT1_CLK_ENB                  22
116         #define SPEAR1340_GPT0_CLK_ENB                  21
117         #define SPEAR1340_I2S_PLAY_CLK_ENB              20
118         #define SPEAR1340_I2S_REC_CLK_ENB               19
119         #define SPEAR1340_I2C0_CLK_ENB                  18
120         #define SPEAR1340_SSP_CLK_ENB                   17
121         #define SPEAR1340_UART0_CLK_ENB                 15
122         #define SPEAR1340_PCIE_SATA_CLK_ENB             12
123         #define SPEAR1340_UOC_CLK_ENB                   11
124         #define SPEAR1340_UHC1_CLK_ENB                  10
125         #define SPEAR1340_UHC0_CLK_ENB                  9
126         #define SPEAR1340_GMAC_CLK_ENB                  8
127         #define SPEAR1340_CFXD_CLK_ENB                  7
128         #define SPEAR1340_SDHCI_CLK_ENB                 6
129         #define SPEAR1340_SMI_CLK_ENB                   5
130         #define SPEAR1340_FSMC_CLK_ENB                  4
131         #define SPEAR1340_SYSRAM0_CLK_ENB               3
132         #define SPEAR1340_SYSRAM1_CLK_ENB               2
133         #define SPEAR1340_SYSROM_CLK_ENB                1
134         #define SPEAR1340_BUS_CLK_ENB                   0
135
136 #define SPEAR1340_PERIP2_CLK_ENB                (VA_MISC_BASE + 0x310)
137         #define SPEAR1340_THSENS_CLK_ENB                8
138         #define SPEAR1340_I2S_REF_PAD_CLK_ENB           7
139         #define SPEAR1340_ACP_CLK_ENB                   6
140         #define SPEAR1340_GPT3_CLK_ENB                  5
141         #define SPEAR1340_GPT2_CLK_ENB                  4
142         #define SPEAR1340_KBD_CLK_ENB                   3
143         #define SPEAR1340_CPU_DBG_CLK_ENB               2
144         #define SPEAR1340_DDR_CORE_CLK_ENB              1
145         #define SPEAR1340_DDR_CTRL_CLK_ENB              0
146
147 #define SPEAR1340_PERIP3_CLK_ENB                (VA_MISC_BASE + 0x314)
148         #define SPEAR1340_PLGPIO_CLK_ENB                18
149         #define SPEAR1340_VIDEO_DEC_CLK_ENB             16
150         #define SPEAR1340_VIDEO_ENC_CLK_ENB             15
151         #define SPEAR1340_SPDIF_OUT_CLK_ENB             13
152         #define SPEAR1340_SPDIF_IN_CLK_ENB              12
153         #define SPEAR1340_VIDEO_IN_CLK_ENB              11
154         #define SPEAR1340_CAM0_CLK_ENB                  10
155         #define SPEAR1340_CAM1_CLK_ENB                  9
156         #define SPEAR1340_CAM2_CLK_ENB                  8
157         #define SPEAR1340_CAM3_CLK_ENB                  7
158         #define SPEAR1340_MALI_CLK_ENB                  6
159         #define SPEAR1340_CEC0_CLK_ENB                  5
160         #define SPEAR1340_CEC1_CLK_ENB                  4
161         #define SPEAR1340_PWM_CLK_ENB                   3
162         #define SPEAR1340_I2C1_CLK_ENB                  2
163         #define SPEAR1340_UART1_CLK_ENB                 1
164
165 static DEFINE_SPINLOCK(_lock);
166
167 /* pll rate configuration table, in ascending order of rates */
168 static struct pll_rate_tbl pll_rtbl[] = {
169         /* PCLK 24MHz */
170         {.mode = 0, .m = 0x83, .n = 0x04, .p = 0x5}, /* vco 1572, pll 49.125 MHz */
171         {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x3}, /* vco 1000, pll 125 MHz */
172         {.mode = 0, .m = 0x64, .n = 0x06, .p = 0x1}, /* vco 800, pll 400 MHz */
173         {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x1}, /* vco 1000, pll 500 MHz */
174         {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x1}, /* vco 1328, pll 664 MHz */
175         {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x1}, /* vco 1600, pll 800 MHz */
176         {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
177         {.mode = 0, .m = 0x96, .n = 0x06, .p = 0x0}, /* vco 1200, pll 1200 MHz */
178 };
179
180 /* vco-pll4 rate configuration table, in ascending order of rates */
181 static struct pll_rate_tbl pll4_rtbl[] = {
182         {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x2}, /* vco 1000, pll 250 MHz */
183         {.mode = 0, .m = 0xA6, .n = 0x06, .p = 0x2}, /* vco 1328, pll 332 MHz */
184         {.mode = 0, .m = 0xC8, .n = 0x06, .p = 0x2}, /* vco 1600, pll 400 MHz */
185         {.mode = 0, .m = 0x7D, .n = 0x06, .p = 0x0}, /* vco 1, pll 1 GHz */
186 };
187
188 /*
189  * All below entries generate 166 MHz for
190  * different values of vco1div2
191  */
192 static struct frac_rate_tbl amba_synth_rtbl[] = {
193         {.div = 0x073A8}, /* for vco1div2 = 600 MHz */
194         {.div = 0x06062}, /* for vco1div2 = 500 MHz */
195         {.div = 0x04D1B}, /* for vco1div2 = 400 MHz */
196         {.div = 0x04000}, /* for vco1div2 = 332 MHz */
197         {.div = 0x03031}, /* for vco1div2 = 250 MHz */
198         {.div = 0x0268D}, /* for vco1div2 = 200 MHz */
199 };
200
201 /*
202  * Synthesizer Clock derived from vcodiv2. This clock is one of the
203  * possible clocks to feed cpu directly.
204  * We can program this synthesizer to make cpu run on different clock
205  * frequencies.
206  * Following table provides configuration values to let cpu run on 200,
207  * 250, 332, 400 or 500 MHz considering different possibilites of input
208  * (vco1div2) clock.
209  *
210  * --------------------------------------------------------------------
211  * vco1div2(Mhz)        fout(Mhz)       cpuclk = fout/2         div
212  * --------------------------------------------------------------------
213  * 400                  200             100                     0x04000
214  * 400                  250             125                     0x03333
215  * 400                  332             166                     0x0268D
216  * 400                  400             200                     0x02000
217  * --------------------------------------------------------------------
218  * 500                  200             100                     0x05000
219  * 500                  250             125                     0x04000
220  * 500                  332             166                     0x03031
221  * 500                  400             200                     0x02800
222  * 500                  500             250                     0x02000
223  * --------------------------------------------------------------------
224  * 600                  200             100                     0x06000
225  * 600                  250             125                     0x04CCE
226  * 600                  332             166                     0x039D5
227  * 600                  400             200                     0x03000
228  * 600                  500             250                     0x02666
229  * --------------------------------------------------------------------
230  * 664                  200             100                     0x06a38
231  * 664                  250             125                     0x054FD
232  * 664                  332             166                     0x04000
233  * 664                  400             200                     0x0351E
234  * 664                  500             250                     0x02A7E
235  * --------------------------------------------------------------------
236  * 800                  200             100                     0x08000
237  * 800                  250             125                     0x06666
238  * 800                  332             166                     0x04D18
239  * 800                  400             200                     0x04000
240  * 800                  500             250                     0x03333
241  * --------------------------------------------------------------------
242  * sys rate configuration table is in descending order of divisor.
243  */
244 static struct frac_rate_tbl sys_synth_rtbl[] = {
245         {.div = 0x08000},
246         {.div = 0x06a38},
247         {.div = 0x06666},
248         {.div = 0x06000},
249         {.div = 0x054FD},
250         {.div = 0x05000},
251         {.div = 0x04D18},
252         {.div = 0x04CCE},
253         {.div = 0x04000},
254         {.div = 0x039D5},
255         {.div = 0x0351E},
256         {.div = 0x03333},
257         {.div = 0x03031},
258         {.div = 0x03000},
259         {.div = 0x02A7E},
260         {.div = 0x02800},
261         {.div = 0x0268D},
262         {.div = 0x02666},
263         {.div = 0x02000},
264 };
265
266 /* aux rate configuration table, in ascending order of rates */
267 static struct aux_rate_tbl aux_rtbl[] = {
268         /* 12.29MHz for vic1div2=600MHz and 10.24MHz for VCO1div2=500MHz */
269         {.xscale = 5, .yscale = 122, .eq = 0},
270         /* 14.70MHz for vic1div2=600MHz and 12.29MHz for VCO1div2=500MHz */
271         {.xscale = 10, .yscale = 204, .eq = 0},
272         /* 48MHz for vic1div2=600MHz and 40 MHz for VCO1div2=500MHz */
273         {.xscale = 4, .yscale = 25, .eq = 0},
274         /* 57.14MHz for vic1div2=600MHz and 48 MHz for VCO1div2=500MHz */
275         {.xscale = 4, .yscale = 21, .eq = 0},
276         /* 83.33MHz for vic1div2=600MHz and 69.44MHz for VCO1div2=500MHz */
277         {.xscale = 5, .yscale = 18, .eq = 0},
278         /* 100MHz for vic1div2=600MHz and 83.33 MHz for VCO1div2=500MHz */
279         {.xscale = 2, .yscale = 6, .eq = 0},
280         /* 125MHz for vic1div2=600MHz and 104.1MHz for VCO1div2=500MHz */
281         {.xscale = 5, .yscale = 12, .eq = 0},
282         /* 150MHz for vic1div2=600MHz and 125MHz for VCO1div2=500MHz */
283         {.xscale = 2, .yscale = 4, .eq = 0},
284         /* 166MHz for vic1div2=600MHz and 138.88MHz for VCO1div2=500MHz */
285         {.xscale = 5, .yscale = 18, .eq = 1},
286         /* 200MHz for vic1div2=600MHz and 166MHz for VCO1div2=500MHz */
287         {.xscale = 1, .yscale = 3, .eq = 1},
288         /* 250MHz for vic1div2=600MHz and 208.33MHz for VCO1div2=500MHz */
289         {.xscale = 5, .yscale = 12, .eq = 1},
290         /* 300MHz for vic1div2=600MHz and 250MHz for VCO1div2=500MHz */
291         {.xscale = 1, .yscale = 2, .eq = 1},
292 };
293
294 /* gmac rate configuration table, in ascending order of rates */
295 static struct aux_rate_tbl gmac_rtbl[] = {
296         /* For gmac phy input clk */
297         {.xscale = 2, .yscale = 6, .eq = 0}, /* divided by 6 */
298         {.xscale = 2, .yscale = 4, .eq = 0}, /* divided by 4 */
299         {.xscale = 1, .yscale = 3, .eq = 1}, /* divided by 3 */
300         {.xscale = 1, .yscale = 2, .eq = 1}, /* divided by 2 */
301 };
302
303 /* clcd rate configuration table, in ascending order of rates */
304 static struct frac_rate_tbl clcd_rtbl[] = {
305         {.div = 0x18000}, /* 25 Mhz , for vc01div4 = 300 MHz*/
306         {.div = 0x1638E}, /* 27 Mhz , for vc01div4 = 300 MHz*/
307         {.div = 0x14000}, /* 25 Mhz , for vc01div4 = 250 MHz*/
308         {.div = 0x1284B}, /* 27 Mhz , for vc01div4 = 250 MHz*/
309         {.div = 0x0D8D3}, /* 58 Mhz , for vco1div4 = 393 MHz */
310         {.div = 0x0B72C}, /* 58 Mhz , for vco1div4 = 332 MHz */
311         {.div = 0x0A584}, /* 58 Mhz , for vco1div4 = 300 MHz */
312         {.div = 0x093B1}, /* 65 Mhz , for vc01div4 = 300 MHz*/
313         {.div = 0x089EE}, /* 58 Mhz , for vc01div4 = 250 MHz*/
314         {.div = 0x081BA}, /* 74 Mhz , for vc01div4 = 300 MHz*/
315         {.div = 0x07BA0}, /* 65 Mhz , for vc01div4 = 250 MHz*/
316         {.div = 0x06f1C}, /* 72 Mhz , for vc01div4 = 250 MHz*/
317         {.div = 0x06E58}, /* 58 Mhz , for vco1div4 = 200 MHz */
318         {.div = 0x06c1B}, /* 74 Mhz , for vc01div4 = 250 MHz*/
319         {.div = 0x058E3}, /* 108 Mhz , for vc01div4 = 300 MHz*/
320         {.div = 0x04A12}, /* 108 Mhz , for vc01div4 = 250 MHz*/
321         {.div = 0x040A5}, /* 148.5 Mhz , for vc01div4 = 300 MHz*/
322         {.div = 0x0378E}, /* 144 Mhz , for vc01div4 = 250 MHz*/
323         {.div = 0x0360D}, /* 148 Mhz , for vc01div4 = 250 MHz*/
324         {.div = 0x035E0}, /* 148.5 MHz, for vc01div4 = 250 MHz*/
325 };
326
327 /* i2s prescaler1 masks */
328 static struct aux_clk_masks i2s_prs1_masks = {
329         .eq_sel_mask = AUX_EQ_SEL_MASK,
330         .eq_sel_shift = SPEAR1340_I2S_PRS1_EQ_SEL_SHIFT,
331         .eq1_mask = AUX_EQ1_SEL,
332         .eq2_mask = AUX_EQ2_SEL,
333         .xscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_X_MASK,
334         .xscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_X_SHIFT,
335         .yscale_sel_mask = SPEAR1340_I2S_PRS1_CLK_Y_MASK,
336         .yscale_sel_shift = SPEAR1340_I2S_PRS1_CLK_Y_SHIFT,
337 };
338
339 /* i2s sclk (bit clock) syynthesizers masks */
340 static struct aux_clk_masks i2s_sclk_masks = {
341         .eq_sel_mask = AUX_EQ_SEL_MASK,
342         .eq_sel_shift = SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT,
343         .eq1_mask = AUX_EQ1_SEL,
344         .eq2_mask = AUX_EQ2_SEL,
345         .xscale_sel_mask = SPEAR1340_I2S_SCLK_X_MASK,
346         .xscale_sel_shift = SPEAR1340_I2S_SCLK_X_SHIFT,
347         .yscale_sel_mask = SPEAR1340_I2S_SCLK_Y_MASK,
348         .yscale_sel_shift = SPEAR1340_I2S_SCLK_Y_SHIFT,
349         .enable_bit = SPEAR1340_I2S_SCLK_SYNTH_ENB,
350 };
351
352 /* i2s prs1 aux rate configuration table, in ascending order of rates */
353 static struct aux_rate_tbl i2s_prs1_rtbl[] = {
354         /* For parent clk = 49.152 MHz */
355         {.xscale = 1, .yscale = 12, .eq = 0}, /* 2.048 MHz, smp freq = 8Khz */
356         {.xscale = 11, .yscale = 96, .eq = 0}, /* 2.816 MHz, smp freq = 11Khz */
357         {.xscale = 1, .yscale = 6, .eq = 0}, /* 4.096 MHz, smp freq = 16Khz */
358         {.xscale = 11, .yscale = 48, .eq = 0}, /* 5.632 MHz, smp freq = 22Khz */
359
360         /*
361          * with parent clk = 49.152, freq gen is 8.192 MHz, smp freq = 32Khz
362          * with parent clk = 12.288, freq gen is 2.048 MHz, smp freq = 8Khz
363          */
364         {.xscale = 1, .yscale = 3, .eq = 0},
365
366         /* For parent clk = 49.152 MHz */
367         {.xscale = 17, .yscale = 37, .eq = 0}, /* 11.289 MHz, smp freq = 44Khz*/
368         {.xscale = 1, .yscale = 2, .eq = 0}, /* 12.288 MHz, smp freq = 48Khz*/
369 };
370
371 /* i2s sclk aux rate configuration table, in ascending order of rates */
372 static struct aux_rate_tbl i2s_sclk_rtbl[] = {
373         /* For sclk = ref_clk * x/2/y */
374         {.xscale = 1, .yscale = 4, .eq = 0},
375         {.xscale = 1, .yscale = 2, .eq = 0},
376 };
377
378 /* adc rate configuration table, in ascending order of rates */
379 /* possible adc range is 2.5 MHz to 20 MHz. */
380 static struct aux_rate_tbl adc_rtbl[] = {
381         /* For ahb = 166.67 MHz */
382         {.xscale = 1, .yscale = 31, .eq = 0}, /* 2.68 MHz */
383         {.xscale = 2, .yscale = 21, .eq = 0}, /* 7.94 MHz */
384         {.xscale = 4, .yscale = 21, .eq = 0}, /* 15.87 MHz */
385         {.xscale = 10, .yscale = 42, .eq = 0}, /* 19.84 MHz */
386 };
387
388 /* General synth rate configuration table, in ascending order of rates */
389 static struct frac_rate_tbl gen_rtbl[] = {
390         {.div = 0x1A92B}, /* 22.5792 MHz for vco1div4=300 MHz*/
391         {.div = 0x186A0}, /* 24.576 MHz for vco1div4=300 MHz*/
392         {.div = 0x18000}, /* 25 MHz for vco1div4=300 MHz*/
393         {.div = 0x1624E}, /* 22.5792 MHz for vco1div4=250 MHz*/
394         {.div = 0x14585}, /* 24.576 MHz for vco1div4=250 MHz*/
395         {.div = 0x14000}, /* 25 MHz for vco1div4=250 MHz*/
396         {.div = 0x0D495}, /* 45.1584 MHz for vco1div4=300 MHz*/
397         {.div = 0x0C000}, /* 50 MHz for vco1div4=300 MHz*/
398         {.div = 0x0B127}, /* 45.1584 MHz for vco1div4=250 MHz*/
399         {.div = 0x0A000}, /* 50 MHz for vco1div4=250 MHz*/
400         {.div = 0x07530}, /* 81.92 MHz for vco1div4=300 MHz*/
401         {.div = 0x061A8}, /* 81.92 MHz for vco1div4=250 MHz*/
402         {.div = 0x06000}, /* 100 MHz for vco1div4=300 MHz*/
403         {.div = 0x05000}, /* 100 MHz for vco1div4=250 MHz*/
404         {.div = 0x03000}, /* 200 MHz for vco1div4=300 MHz*/
405         {.div = 0x02DB6}, /* 210 MHz for vco1div4=300 MHz*/
406         {.div = 0x02BA2}, /* 220 MHz for vco1div4=300 MHz*/
407         {.div = 0x029BD}, /* 230 MHz for vco1div4=300 MHz*/
408         {.div = 0x02800}, /* 200 MHz for vco1div4=250 MHz*/
409         {.div = 0x02666}, /* 250 MHz for vco1div4=300 MHz*/
410         {.div = 0x02620}, /* 210 MHz for vco1div4=250 MHz*/
411         {.div = 0x02460}, /* 220 MHz for vco1div4=250 MHz*/
412         {.div = 0x022C0}, /* 230 MHz for vco1div4=250 MHz*/
413         {.div = 0x02160}, /* 240 MHz for vco1div4=250 MHz*/
414         {.div = 0x02000}, /* 250 MHz for vco1div4=250 MHz*/
415 };
416
417 /* clock parents */
418 static const char *vco_parents[] = { "osc_24m_clk", "osc_25m_clk", };
419 static const char *sys_parents[] = { "pll1_clk", "pll1_clk", "pll1_clk",
420         "pll1_clk", "sys_syn_clk", "sys_syn_clk", "pll2_clk", "pll3_clk", };
421 static const char *ahb_parents[] = { "cpu_div3_clk", "amba_syn_clk", };
422 static const char *gpt_parents[] = { "osc_24m_clk", "apb_clk", };
423 static const char *uart0_parents[] = { "pll5_clk", "osc_24m_clk",
424         "uart0_syn_gclk", };
425 static const char *uart1_parents[] = { "pll5_clk", "osc_24m_clk",
426         "uart1_syn_gclk", };
427 static const char *c3_parents[] = { "pll5_clk", "c3_syn_gclk", };
428 static const char *gmac_phy_input_parents[] = { "gmii_pad_clk", "pll2_clk",
429         "osc_25m_clk", };
430 static const char *gmac_phy_parents[] = { "phy_input_mclk", "phy_syn_gclk", };
431 static const char *clcd_synth_parents[] = { "vco1div4_clk", "pll2_clk", };
432 static const char *clcd_pixel_parents[] = { "pll5_clk", "clcd_syn_clk", };
433 static const char *i2s_src_parents[] = { "vco1div2_clk", "pll2_clk", "pll3_clk",
434         "i2s_src_pad_clk", };
435 static const char *i2s_ref_parents[] = { "i2s_src_mclk", "i2s_prs1_clk", };
436 static const char *spdif_out_parents[] = { "i2s_src_pad_clk", "gen_syn2_clk", };
437 static const char *spdif_in_parents[] = { "pll2_clk", "gen_syn3_clk", };
438
439 static const char *gen_synth0_1_parents[] = { "vco1div4_clk", "vco3div2_clk",
440         "pll3_clk", };
441 static const char *gen_synth2_3_parents[] = { "vco1div4_clk", "vco2div2_clk",
442         "pll2_clk", };
443
444 void __init spear1340_clk_init(void)
445 {
446         struct clk *clk, *clk1;
447
448         clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
449                         32000);
450         clk_register_clkdev(clk, "osc_32k_clk", NULL);
451
452         clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
453                         24000000);
454         clk_register_clkdev(clk, "osc_24m_clk", NULL);
455
456         clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, CLK_IS_ROOT,
457                         25000000);
458         clk_register_clkdev(clk, "osc_25m_clk", NULL);
459
460         clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, CLK_IS_ROOT,
461                         125000000);
462         clk_register_clkdev(clk, "gmii_pad_clk", NULL);
463
464         clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL,
465                         CLK_IS_ROOT, 12288000);
466         clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);
467
468         /* clock derived from 32 KHz osc clk */
469         clk = clk_register_gate(NULL, "rtc-spear", "osc_32k_clk", 0,
470                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_RTC_CLK_ENB, 0,
471                         &_lock);
472         clk_register_clkdev(clk, NULL, "e0580000.rtc");
473
474         /* clock derived from 24 or 25 MHz osc clk */
475         /* vco-pll */
476         clk = clk_register_mux(NULL, "vco1_mclk", vco_parents,
477                         ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG,
478                         SPEAR1340_PLL1_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0,
479                         &_lock);
480         clk_register_clkdev(clk, "vco1_mclk", NULL);
481         clk = clk_register_vco_pll("vco1_clk", "pll1_clk", NULL, "vco1_mclk", 0,
482                         SPEAR1340_PLL1_CTR, SPEAR1340_PLL1_FRQ, pll_rtbl,
483                         ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
484         clk_register_clkdev(clk, "vco1_clk", NULL);
485         clk_register_clkdev(clk1, "pll1_clk", NULL);
486
487         clk = clk_register_mux(NULL, "vco2_mclk", vco_parents,
488                         ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG,
489                         SPEAR1340_PLL2_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0,
490                         &_lock);
491         clk_register_clkdev(clk, "vco2_mclk", NULL);
492         clk = clk_register_vco_pll("vco2_clk", "pll2_clk", NULL, "vco2_mclk", 0,
493                         SPEAR1340_PLL2_CTR, SPEAR1340_PLL2_FRQ, pll_rtbl,
494                         ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
495         clk_register_clkdev(clk, "vco2_clk", NULL);
496         clk_register_clkdev(clk1, "pll2_clk", NULL);
497
498         clk = clk_register_mux(NULL, "vco3_mclk", vco_parents,
499                         ARRAY_SIZE(vco_parents), 0, SPEAR1340_PLL_CFG,
500                         SPEAR1340_PLL3_CLK_SHIFT, SPEAR1340_PLL_CLK_MASK, 0,
501                         &_lock);
502         clk_register_clkdev(clk, "vco3_mclk", NULL);
503         clk = clk_register_vco_pll("vco3_clk", "pll3_clk", NULL, "vco3_mclk", 0,
504                         SPEAR1340_PLL3_CTR, SPEAR1340_PLL3_FRQ, pll_rtbl,
505                         ARRAY_SIZE(pll_rtbl), &_lock, &clk1, NULL);
506         clk_register_clkdev(clk, "vco3_clk", NULL);
507         clk_register_clkdev(clk1, "pll3_clk", NULL);
508
509         clk = clk_register_vco_pll("vco4_clk", "pll4_clk", NULL, "osc_24m_clk",
510                         0, SPEAR1340_PLL4_CTR, SPEAR1340_PLL4_FRQ, pll4_rtbl,
511                         ARRAY_SIZE(pll4_rtbl), &_lock, &clk1, NULL);
512         clk_register_clkdev(clk, "vco4_clk", NULL);
513         clk_register_clkdev(clk1, "pll4_clk", NULL);
514
515         clk = clk_register_fixed_rate(NULL, "pll5_clk", "osc_24m_clk", 0,
516                         48000000);
517         clk_register_clkdev(clk, "pll5_clk", NULL);
518
519         clk = clk_register_fixed_rate(NULL, "pll6_clk", "osc_25m_clk", 0,
520                         25000000);
521         clk_register_clkdev(clk, "pll6_clk", NULL);
522
523         /* vco div n clocks */
524         clk = clk_register_fixed_factor(NULL, "vco1div2_clk", "vco1_clk", 0, 1,
525                         2);
526         clk_register_clkdev(clk, "vco1div2_clk", NULL);
527
528         clk = clk_register_fixed_factor(NULL, "vco1div4_clk", "vco1_clk", 0, 1,
529                         4);
530         clk_register_clkdev(clk, "vco1div4_clk", NULL);
531
532         clk = clk_register_fixed_factor(NULL, "vco2div2_clk", "vco2_clk", 0, 1,
533                         2);
534         clk_register_clkdev(clk, "vco2div2_clk", NULL);
535
536         clk = clk_register_fixed_factor(NULL, "vco3div2_clk", "vco3_clk", 0, 1,
537                         2);
538         clk_register_clkdev(clk, "vco3div2_clk", NULL);
539
540         /* peripherals */
541         clk_register_fixed_factor(NULL, "thermal_clk", "osc_24m_clk", 0, 1,
542                         128);
543         clk = clk_register_gate(NULL, "thermal_gclk", "thermal_clk", 0,
544                         SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_THSENS_CLK_ENB, 0,
545                         &_lock);
546         clk_register_clkdev(clk, NULL, "e07008c4.thermal");
547
548         /* clock derived from pll4 clk */
549         clk = clk_register_fixed_factor(NULL, "ddr_clk", "pll4_clk", 0, 1,
550                         1);
551         clk_register_clkdev(clk, "ddr_clk", NULL);
552
553         /* clock derived from pll1 clk */
554         clk = clk_register_frac("sys_syn_clk", "vco1div2_clk", 0,
555                         SPEAR1340_SYS_CLK_SYNT, sys_synth_rtbl,
556                         ARRAY_SIZE(sys_synth_rtbl), &_lock);
557         clk_register_clkdev(clk, "sys_syn_clk", NULL);
558
559         clk = clk_register_frac("amba_syn_clk", "vco1div2_clk", 0,
560                         SPEAR1340_AMBA_CLK_SYNT, amba_synth_rtbl,
561                         ARRAY_SIZE(amba_synth_rtbl), &_lock);
562         clk_register_clkdev(clk, "amba_syn_clk", NULL);
563
564         clk = clk_register_mux(NULL, "sys_mclk", sys_parents,
565                         ARRAY_SIZE(sys_parents), 0, SPEAR1340_SYS_CLK_CTRL,
566                         SPEAR1340_SCLK_SRC_SEL_SHIFT,
567                         SPEAR1340_SCLK_SRC_SEL_MASK, 0, &_lock);
568         clk_register_clkdev(clk, "sys_mclk", NULL);
569
570         clk = clk_register_fixed_factor(NULL, "cpu_clk", "sys_mclk", 0, 1,
571                         2);
572         clk_register_clkdev(clk, "cpu_clk", NULL);
573
574         clk = clk_register_fixed_factor(NULL, "cpu_div3_clk", "cpu_clk", 0, 1,
575                         3);
576         clk_register_clkdev(clk, "cpu_div3_clk", NULL);
577
578         clk = clk_register_fixed_factor(NULL, "wdt_clk", "cpu_clk", 0, 1,
579                         2);
580         clk_register_clkdev(clk, NULL, "ec800620.wdt");
581
582         clk = clk_register_fixed_factor(NULL, "smp_twd_clk", "cpu_clk", 0, 1,
583                         2);
584         clk_register_clkdev(clk, NULL, "smp_twd");
585
586         clk = clk_register_mux(NULL, "ahb_clk", ahb_parents,
587                         ARRAY_SIZE(ahb_parents), 0, SPEAR1340_SYS_CLK_CTRL,
588                         SPEAR1340_HCLK_SRC_SEL_SHIFT,
589                         SPEAR1340_HCLK_SRC_SEL_MASK, 0, &_lock);
590         clk_register_clkdev(clk, "ahb_clk", NULL);
591
592         clk = clk_register_fixed_factor(NULL, "apb_clk", "ahb_clk", 0, 1,
593                         2);
594         clk_register_clkdev(clk, "apb_clk", NULL);
595
596         /* gpt clocks */
597         clk = clk_register_mux(NULL, "gpt0_mclk", gpt_parents,
598                         ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
599                         SPEAR1340_GPT0_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
600                         &_lock);
601         clk_register_clkdev(clk, "gpt0_mclk", NULL);
602         clk = clk_register_gate(NULL, "gpt0_clk", "gpt0_mclk", 0,
603                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT0_CLK_ENB, 0,
604                         &_lock);
605         clk_register_clkdev(clk, NULL, "gpt0");
606
607         clk = clk_register_mux(NULL, "gpt1_mclk", gpt_parents,
608                         ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
609                         SPEAR1340_GPT1_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
610                         &_lock);
611         clk_register_clkdev(clk, "gpt1_mclk", NULL);
612         clk = clk_register_gate(NULL, "gpt1_clk", "gpt1_mclk", 0,
613                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPT1_CLK_ENB, 0,
614                         &_lock);
615         clk_register_clkdev(clk, NULL, "gpt1");
616
617         clk = clk_register_mux(NULL, "gpt2_mclk", gpt_parents,
618                         ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
619                         SPEAR1340_GPT2_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
620                         &_lock);
621         clk_register_clkdev(clk, "gpt2_mclk", NULL);
622         clk = clk_register_gate(NULL, "gpt2_clk", "gpt2_mclk", 0,
623                         SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT2_CLK_ENB, 0,
624                         &_lock);
625         clk_register_clkdev(clk, NULL, "gpt2");
626
627         clk = clk_register_mux(NULL, "gpt3_mclk", gpt_parents,
628                         ARRAY_SIZE(gpt_parents), 0, SPEAR1340_PERIP_CLK_CFG,
629                         SPEAR1340_GPT3_CLK_SHIFT, SPEAR1340_GPT_CLK_MASK, 0,
630                         &_lock);
631         clk_register_clkdev(clk, "gpt3_mclk", NULL);
632         clk = clk_register_gate(NULL, "gpt3_clk", "gpt3_mclk", 0,
633                         SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_GPT3_CLK_ENB, 0,
634                         &_lock);
635         clk_register_clkdev(clk, NULL, "gpt3");
636
637         /* others */
638         clk = clk_register_aux("uart0_syn_clk", "uart0_syn_gclk",
639                         "vco1div2_clk", 0, SPEAR1340_UART0_CLK_SYNT, NULL,
640                         aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
641         clk_register_clkdev(clk, "uart0_syn_clk", NULL);
642         clk_register_clkdev(clk1, "uart0_syn_gclk", NULL);
643
644         clk = clk_register_mux(NULL, "uart0_mclk", uart0_parents,
645                         ARRAY_SIZE(uart0_parents), CLK_SET_RATE_PARENT,
646                         SPEAR1340_PERIP_CLK_CFG, SPEAR1340_UART0_CLK_SHIFT,
647                         SPEAR1340_UART_CLK_MASK, 0, &_lock);
648         clk_register_clkdev(clk, "uart0_mclk", NULL);
649
650         clk = clk_register_gate(NULL, "uart0_clk", "uart0_mclk",
651                         CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
652                         SPEAR1340_UART0_CLK_ENB, 0, &_lock);
653         clk_register_clkdev(clk, NULL, "e0000000.serial");
654
655         clk = clk_register_aux("uart1_syn_clk", "uart1_syn_gclk",
656                         "vco1div2_clk", 0, SPEAR1340_UART1_CLK_SYNT, NULL,
657                         aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
658         clk_register_clkdev(clk, "uart1_syn_clk", NULL);
659         clk_register_clkdev(clk1, "uart1_syn_gclk", NULL);
660
661         clk = clk_register_mux(NULL, "uart1_mclk", uart1_parents,
662                         ARRAY_SIZE(uart1_parents), 0, SPEAR1340_PERIP_CLK_CFG,
663                         SPEAR1340_UART1_CLK_SHIFT, SPEAR1340_UART_CLK_MASK, 0,
664                         &_lock);
665         clk_register_clkdev(clk, "uart1_mclk", NULL);
666
667         clk = clk_register_gate(NULL, "uart1_clk", "uart1_mclk", 0,
668                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_UART1_CLK_ENB, 0,
669                         &_lock);
670         clk_register_clkdev(clk, NULL, "b4100000.serial");
671
672         clk = clk_register_aux("sdhci_syn_clk", "sdhci_syn_gclk",
673                         "vco1div2_clk", 0, SPEAR1340_SDHCI_CLK_SYNT, NULL,
674                         aux_rtbl, ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
675         clk_register_clkdev(clk, "sdhci_syn_clk", NULL);
676         clk_register_clkdev(clk1, "sdhci_syn_gclk", NULL);
677
678         clk = clk_register_gate(NULL, "sdhci_clk", "sdhci_syn_gclk",
679                         CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
680                         SPEAR1340_SDHCI_CLK_ENB, 0, &_lock);
681         clk_register_clkdev(clk, NULL, "b3000000.sdhci");
682
683         clk = clk_register_aux("cfxd_syn_clk", "cfxd_syn_gclk", "vco1div2_clk",
684                         0, SPEAR1340_CFXD_CLK_SYNT, NULL, aux_rtbl,
685                         ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
686         clk_register_clkdev(clk, "cfxd_syn_clk", NULL);
687         clk_register_clkdev(clk1, "cfxd_syn_gclk", NULL);
688
689         clk = clk_register_gate(NULL, "cfxd_clk", "cfxd_syn_gclk",
690                         CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
691                         SPEAR1340_CFXD_CLK_ENB, 0, &_lock);
692         clk_register_clkdev(clk, NULL, "b2800000.cf");
693         clk_register_clkdev(clk, NULL, "arasan_xd");
694
695         clk = clk_register_aux("c3_syn_clk", "c3_syn_gclk", "vco1div2_clk", 0,
696                         SPEAR1340_C3_CLK_SYNT, NULL, aux_rtbl,
697                         ARRAY_SIZE(aux_rtbl), &_lock, &clk1);
698         clk_register_clkdev(clk, "c3_syn_clk", NULL);
699         clk_register_clkdev(clk1, "c3_syn_gclk", NULL);
700
701         clk = clk_register_mux(NULL, "c3_mclk", c3_parents,
702                         ARRAY_SIZE(c3_parents), CLK_SET_RATE_PARENT,
703                         SPEAR1340_PERIP_CLK_CFG, SPEAR1340_C3_CLK_SHIFT,
704                         SPEAR1340_C3_CLK_MASK, 0, &_lock);
705         clk_register_clkdev(clk, "c3_mclk", NULL);
706
707         clk = clk_register_gate(NULL, "c3_clk", "c3_mclk", CLK_SET_RATE_PARENT,
708                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_C3_CLK_ENB, 0,
709                         &_lock);
710         clk_register_clkdev(clk, NULL, "e1800000.c3");
711
712         /* gmac */
713         clk = clk_register_mux(NULL, "phy_input_mclk", gmac_phy_input_parents,
714                         ARRAY_SIZE(gmac_phy_input_parents), 0,
715                         SPEAR1340_GMAC_CLK_CFG,
716                         SPEAR1340_GMAC_PHY_INPUT_CLK_SHIFT,
717                         SPEAR1340_GMAC_PHY_INPUT_CLK_MASK, 0, &_lock);
718         clk_register_clkdev(clk, "phy_input_mclk", NULL);
719
720         clk = clk_register_aux("phy_syn_clk", "phy_syn_gclk", "phy_input_mclk",
721                         0, SPEAR1340_GMAC_CLK_SYNT, NULL, gmac_rtbl,
722                         ARRAY_SIZE(gmac_rtbl), &_lock, &clk1);
723         clk_register_clkdev(clk, "phy_syn_clk", NULL);
724         clk_register_clkdev(clk1, "phy_syn_gclk", NULL);
725
726         clk = clk_register_mux(NULL, "phy_mclk", gmac_phy_parents,
727                         ARRAY_SIZE(gmac_phy_parents), 0,
728                         SPEAR1340_PERIP_CLK_CFG, SPEAR1340_GMAC_PHY_CLK_SHIFT,
729                         SPEAR1340_GMAC_PHY_CLK_MASK, 0, &_lock);
730         clk_register_clkdev(clk, "stmmacphy.0", NULL);
731
732         /* clcd */
733         clk = clk_register_mux(NULL, "clcd_syn_mclk", clcd_synth_parents,
734                         ARRAY_SIZE(clcd_synth_parents), 0,
735                         SPEAR1340_CLCD_CLK_SYNT, SPEAR1340_CLCD_SYNT_CLK_SHIFT,
736                         SPEAR1340_CLCD_SYNT_CLK_MASK, 0, &_lock);
737         clk_register_clkdev(clk, "clcd_syn_mclk", NULL);
738
739         clk = clk_register_frac("clcd_syn_clk", "clcd_syn_mclk", 0,
740                         SPEAR1340_CLCD_CLK_SYNT, clcd_rtbl,
741                         ARRAY_SIZE(clcd_rtbl), &_lock);
742         clk_register_clkdev(clk, "clcd_syn_clk", NULL);
743
744         clk = clk_register_mux(NULL, "clcd_pixel_mclk", clcd_pixel_parents,
745                         ARRAY_SIZE(clcd_pixel_parents), CLK_SET_RATE_PARENT,
746                         SPEAR1340_PERIP_CLK_CFG, SPEAR1340_CLCD_CLK_SHIFT,
747                         SPEAR1340_CLCD_CLK_MASK, 0, &_lock);
748         clk_register_clkdev(clk, "clcd_pixel_mclk", NULL);
749
750         clk = clk_register_gate(NULL, "clcd_clk", "clcd_pixel_mclk", 0,
751                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_CLCD_CLK_ENB, 0,
752                         &_lock);
753         clk_register_clkdev(clk, NULL, "e1000000.clcd");
754
755         /* i2s */
756         clk = clk_register_mux(NULL, "i2s_src_mclk", i2s_src_parents,
757                         ARRAY_SIZE(i2s_src_parents), 0, SPEAR1340_I2S_CLK_CFG,
758                         SPEAR1340_I2S_SRC_CLK_SHIFT, SPEAR1340_I2S_SRC_CLK_MASK,
759                         0, &_lock);
760         clk_register_clkdev(clk, "i2s_src_mclk", NULL);
761
762         clk = clk_register_aux("i2s_prs1_clk", NULL, "i2s_src_mclk",
763                         CLK_SET_RATE_PARENT, SPEAR1340_I2S_CLK_CFG,
764                         &i2s_prs1_masks, i2s_prs1_rtbl,
765                         ARRAY_SIZE(i2s_prs1_rtbl), &_lock, NULL);
766         clk_register_clkdev(clk, "i2s_prs1_clk", NULL);
767
768         clk = clk_register_mux(NULL, "i2s_ref_mclk", i2s_ref_parents,
769                         ARRAY_SIZE(i2s_ref_parents), CLK_SET_RATE_PARENT,
770                         SPEAR1340_I2S_CLK_CFG, SPEAR1340_I2S_REF_SHIFT,
771                         SPEAR1340_I2S_REF_SEL_MASK, 0, &_lock);
772         clk_register_clkdev(clk, "i2s_ref_mclk", NULL);
773
774         clk = clk_register_gate(NULL, "i2s_ref_pad_clk", "i2s_ref_mclk", 0,
775                         SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_I2S_REF_PAD_CLK_ENB,
776                         0, &_lock);
777         clk_register_clkdev(clk, "i2s_ref_pad_clk", NULL);
778
779         clk = clk_register_aux("i2s_sclk_clk", "i2s_sclk_gclk", "i2s_ref_mclk",
780                         0, SPEAR1340_I2S_CLK_CFG, &i2s_sclk_masks,
781                         i2s_sclk_rtbl, ARRAY_SIZE(i2s_sclk_rtbl), &_lock,
782                         &clk1);
783         clk_register_clkdev(clk, "i2s_sclk_clk", NULL);
784         clk_register_clkdev(clk1, "i2s_sclk_gclk", NULL);
785
786         /* clock derived from ahb clk */
787         clk = clk_register_gate(NULL, "i2c0_clk", "ahb_clk", 0,
788                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2C0_CLK_ENB, 0,
789                         &_lock);
790         clk_register_clkdev(clk, NULL, "e0280000.i2c");
791
792         clk = clk_register_gate(NULL, "i2c1_clk", "ahb_clk", 0,
793                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_I2C1_CLK_ENB, 0,
794                         &_lock);
795         clk_register_clkdev(clk, NULL, "b4000000.i2c");
796
797         clk = clk_register_gate(NULL, "dma_clk", "ahb_clk", 0,
798                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_DMA_CLK_ENB, 0,
799                         &_lock);
800         clk_register_clkdev(clk, NULL, "ea800000.dma");
801         clk_register_clkdev(clk, NULL, "eb000000.dma");
802
803         clk = clk_register_gate(NULL, "gmac_clk", "ahb_clk", 0,
804                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GMAC_CLK_ENB, 0,
805                         &_lock);
806         clk_register_clkdev(clk, NULL, "e2000000.eth");
807
808         clk = clk_register_gate(NULL, "fsmc_clk", "ahb_clk", 0,
809                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_FSMC_CLK_ENB, 0,
810                         &_lock);
811         clk_register_clkdev(clk, NULL, "b0000000.flash");
812
813         clk = clk_register_gate(NULL, "smi_clk", "ahb_clk", 0,
814                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SMI_CLK_ENB, 0,
815                         &_lock);
816         clk_register_clkdev(clk, NULL, "ea000000.flash");
817
818         clk = clk_register_gate(NULL, "usbh0_clk", "ahb_clk", 0,
819                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC0_CLK_ENB, 0,
820                         &_lock);
821         clk_register_clkdev(clk, NULL, "e4000000.ohci");
822         clk_register_clkdev(clk, NULL, "e4800000.ehci");
823
824         clk = clk_register_gate(NULL, "usbh1_clk", "ahb_clk", 0,
825                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UHC1_CLK_ENB, 0,
826                         &_lock);
827         clk_register_clkdev(clk, NULL, "e5000000.ohci");
828         clk_register_clkdev(clk, NULL, "e5800000.ehci");
829
830         clk = clk_register_gate(NULL, "uoc_clk", "ahb_clk", 0,
831                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_UOC_CLK_ENB, 0,
832                         &_lock);
833         clk_register_clkdev(clk, NULL, "e3800000.otg");
834
835         clk = clk_register_gate(NULL, "pcie_sata_clk", "ahb_clk", 0,
836                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_PCIE_SATA_CLK_ENB,
837                         0, &_lock);
838         clk_register_clkdev(clk, NULL, "dw_pcie");
839         clk_register_clkdev(clk, NULL, "b1000000.ahci");
840
841         clk = clk_register_gate(NULL, "sysram0_clk", "ahb_clk", 0,
842                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM0_CLK_ENB, 0,
843                         &_lock);
844         clk_register_clkdev(clk, "sysram0_clk", NULL);
845
846         clk = clk_register_gate(NULL, "sysram1_clk", "ahb_clk", 0,
847                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SYSRAM1_CLK_ENB, 0,
848                         &_lock);
849         clk_register_clkdev(clk, "sysram1_clk", NULL);
850
851         clk = clk_register_aux("adc_syn_clk", "adc_syn_gclk", "ahb_clk",
852                         0, SPEAR1340_ADC_CLK_SYNT, NULL, adc_rtbl,
853                         ARRAY_SIZE(adc_rtbl), &_lock, &clk1);
854         clk_register_clkdev(clk, "adc_syn_clk", NULL);
855         clk_register_clkdev(clk1, "adc_syn_gclk", NULL);
856
857         clk = clk_register_gate(NULL, "adc_clk", "adc_syn_gclk",
858                         CLK_SET_RATE_PARENT, SPEAR1340_PERIP1_CLK_ENB,
859                         SPEAR1340_ADC_CLK_ENB, 0, &_lock);
860         clk_register_clkdev(clk, NULL, "e0080000.adc");
861
862         /* clock derived from apb clk */
863         clk = clk_register_gate(NULL, "ssp_clk", "apb_clk", 0,
864                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_SSP_CLK_ENB, 0,
865                         &_lock);
866         clk_register_clkdev(clk, NULL, "e0100000.spi");
867
868         clk = clk_register_gate(NULL, "gpio0_clk", "apb_clk", 0,
869                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO0_CLK_ENB, 0,
870                         &_lock);
871         clk_register_clkdev(clk, NULL, "e0600000.gpio");
872
873         clk = clk_register_gate(NULL, "gpio1_clk", "apb_clk", 0,
874                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_GPIO1_CLK_ENB, 0,
875                         &_lock);
876         clk_register_clkdev(clk, NULL, "e0680000.gpio");
877
878         clk = clk_register_gate(NULL, "i2s_play_clk", "apb_clk", 0,
879                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_PLAY_CLK_ENB, 0,
880                         &_lock);
881         clk_register_clkdev(clk, NULL, "b2400000.i2s-play");
882
883         clk = clk_register_gate(NULL, "i2s_rec_clk", "apb_clk", 0,
884                         SPEAR1340_PERIP1_CLK_ENB, SPEAR1340_I2S_REC_CLK_ENB, 0,
885                         &_lock);
886         clk_register_clkdev(clk, NULL, "b2000000.i2s-rec");
887
888         clk = clk_register_gate(NULL, "kbd_clk", "apb_clk", 0,
889                         SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_KBD_CLK_ENB, 0,
890                         &_lock);
891         clk_register_clkdev(clk, NULL, "e0300000.kbd");
892
893         /* RAS clks */
894         clk = clk_register_mux(NULL, "gen_syn0_1_mclk", gen_synth0_1_parents,
895                         ARRAY_SIZE(gen_synth0_1_parents), 0, SPEAR1340_PLL_CFG,
896                         SPEAR1340_GEN_SYNT0_1_CLK_SHIFT,
897                         SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
898         clk_register_clkdev(clk, "gen_syn0_1_mclk", NULL);
899
900         clk = clk_register_mux(NULL, "gen_syn2_3_mclk", gen_synth2_3_parents,
901                         ARRAY_SIZE(gen_synth2_3_parents), 0, SPEAR1340_PLL_CFG,
902                         SPEAR1340_GEN_SYNT2_3_CLK_SHIFT,
903                         SPEAR1340_GEN_SYNT_CLK_MASK, 0, &_lock);
904         clk_register_clkdev(clk, "gen_syn2_3_mclk", NULL);
905
906         clk = clk_register_frac("gen_syn0_clk", "gen_syn0_1_mclk", 0,
907                         SPEAR1340_GEN_CLK_SYNT0, gen_rtbl, ARRAY_SIZE(gen_rtbl),
908                         &_lock);
909         clk_register_clkdev(clk, "gen_syn0_clk", NULL);
910
911         clk = clk_register_frac("gen_syn1_clk", "gen_syn0_1_mclk", 0,
912                         SPEAR1340_GEN_CLK_SYNT1, gen_rtbl, ARRAY_SIZE(gen_rtbl),
913                         &_lock);
914         clk_register_clkdev(clk, "gen_syn1_clk", NULL);
915
916         clk = clk_register_frac("gen_syn2_clk", "gen_syn2_3_mclk", 0,
917                         SPEAR1340_GEN_CLK_SYNT2, gen_rtbl, ARRAY_SIZE(gen_rtbl),
918                         &_lock);
919         clk_register_clkdev(clk, "gen_syn2_clk", NULL);
920
921         clk = clk_register_frac("gen_syn3_clk", "gen_syn2_3_mclk", 0,
922                         SPEAR1340_GEN_CLK_SYNT3, gen_rtbl, ARRAY_SIZE(gen_rtbl),
923                         &_lock);
924         clk_register_clkdev(clk, "gen_syn3_clk", NULL);
925
926         clk = clk_register_gate(NULL, "mali_clk", "gen_syn3_clk",
927                         CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
928                         SPEAR1340_MALI_CLK_ENB, 0, &_lock);
929         clk_register_clkdev(clk, NULL, "mali");
930
931         clk = clk_register_gate(NULL, "cec0_clk", "ahb_clk", 0,
932                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC0_CLK_ENB, 0,
933                         &_lock);
934         clk_register_clkdev(clk, NULL, "spear_cec.0");
935
936         clk = clk_register_gate(NULL, "cec1_clk", "ahb_clk", 0,
937                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CEC1_CLK_ENB, 0,
938                         &_lock);
939         clk_register_clkdev(clk, NULL, "spear_cec.1");
940
941         clk = clk_register_mux(NULL, "spdif_out_mclk", spdif_out_parents,
942                         ARRAY_SIZE(spdif_out_parents), CLK_SET_RATE_PARENT,
943                         SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_OUT_CLK_SHIFT,
944                         SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
945         clk_register_clkdev(clk, "spdif_out_mclk", NULL);
946
947         clk = clk_register_gate(NULL, "spdif_out_clk", "spdif_out_mclk",
948                         CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
949                         SPEAR1340_SPDIF_OUT_CLK_ENB, 0, &_lock);
950         clk_register_clkdev(clk, NULL, "d0000000.spdif-out");
951
952         clk = clk_register_mux(NULL, "spdif_in_mclk", spdif_in_parents,
953                         ARRAY_SIZE(spdif_in_parents), CLK_SET_RATE_PARENT,
954                         SPEAR1340_PERIP_CLK_CFG, SPEAR1340_SPDIF_IN_CLK_SHIFT,
955                         SPEAR1340_SPDIF_CLK_MASK, 0, &_lock);
956         clk_register_clkdev(clk, "spdif_in_mclk", NULL);
957
958         clk = clk_register_gate(NULL, "spdif_in_clk", "spdif_in_mclk",
959                         CLK_SET_RATE_PARENT, SPEAR1340_PERIP3_CLK_ENB,
960                         SPEAR1340_SPDIF_IN_CLK_ENB, 0, &_lock);
961         clk_register_clkdev(clk, NULL, "d0100000.spdif-in");
962
963         clk = clk_register_gate(NULL, "acp_clk", "acp_mclk", 0,
964                         SPEAR1340_PERIP2_CLK_ENB, SPEAR1340_ACP_CLK_ENB, 0,
965                         &_lock);
966         clk_register_clkdev(clk, NULL, "acp_clk");
967
968         clk = clk_register_gate(NULL, "plgpio_clk", "plgpio_mclk", 0,
969                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PLGPIO_CLK_ENB, 0,
970                         &_lock);
971         clk_register_clkdev(clk, NULL, "e2800000.gpio");
972
973         clk = clk_register_gate(NULL, "video_dec_clk", "video_dec_mclk", 0,
974                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_DEC_CLK_ENB,
975                         0, &_lock);
976         clk_register_clkdev(clk, NULL, "video_dec");
977
978         clk = clk_register_gate(NULL, "video_enc_clk", "video_enc_mclk", 0,
979                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_ENC_CLK_ENB,
980                         0, &_lock);
981         clk_register_clkdev(clk, NULL, "video_enc");
982
983         clk = clk_register_gate(NULL, "video_in_clk", "video_in_mclk", 0,
984                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_VIDEO_IN_CLK_ENB, 0,
985                         &_lock);
986         clk_register_clkdev(clk, NULL, "spear_vip");
987
988         clk = clk_register_gate(NULL, "cam0_clk", "cam0_mclk", 0,
989                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM0_CLK_ENB, 0,
990                         &_lock);
991         clk_register_clkdev(clk, NULL, "d0200000.cam0");
992
993         clk = clk_register_gate(NULL, "cam1_clk", "cam1_mclk", 0,
994                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM1_CLK_ENB, 0,
995                         &_lock);
996         clk_register_clkdev(clk, NULL, "d0300000.cam1");
997
998         clk = clk_register_gate(NULL, "cam2_clk", "cam2_mclk", 0,
999                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM2_CLK_ENB, 0,
1000                         &_lock);
1001         clk_register_clkdev(clk, NULL, "d0400000.cam2");
1002
1003         clk = clk_register_gate(NULL, "cam3_clk", "cam3_mclk", 0,
1004                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_CAM3_CLK_ENB, 0,
1005                         &_lock);
1006         clk_register_clkdev(clk, NULL, "d0500000.cam3");
1007
1008         clk = clk_register_gate(NULL, "pwm_clk", "ahb_clk", 0,
1009                         SPEAR1340_PERIP3_CLK_ENB, SPEAR1340_PWM_CLK_ENB, 0,
1010                         &_lock);
1011         clk_register_clkdev(clk, NULL, "e0180000.pwm");
1012 }