| Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 1 | /* arch/arm/mach-s3c2410/pll.c | 
 | 2 |  * | 
| Ben Dooks | e02f866 | 2009-11-13 22:54:13 +0000 | [diff] [blame] | 3 |  * Copyright (c) 2006-2007 Simtec Electronics | 
| Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 4 |  *	http://armlinux.simtec.co.uk/ | 
 | 5 |  *	Ben Dooks <ben@simtec.co.uk> | 
 | 6 |  *	Vincent Sanders <vince@arm.linux.org.uk> | 
 | 7 |  * | 
 | 8 |  * S3C2410 CPU PLL tables | 
 | 9 |  * | 
 | 10 |  * This program is free software; you can redistribute it and/or modify | 
 | 11 |  * it under the terms of the GNU General Public License as published by | 
 | 12 |  * the Free Software Foundation; either version 2 of the License, or | 
 | 13 |  * (at your option) any later version. | 
 | 14 |  * | 
 | 15 |  * This program is distributed in the hope that it will be useful, | 
 | 16 |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
 | 17 |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
 | 18 |  * GNU General Public License for more details. | 
 | 19 |  * | 
 | 20 |  * You should have received a copy of the GNU General Public License | 
 | 21 |  * along with this program; if not, write to the Free Software | 
 | 22 |  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
 | 23 | */ | 
 | 24 |  | 
 | 25 | #include <linux/types.h> | 
 | 26 | #include <linux/kernel.h> | 
 | 27 | #include <linux/module.h> | 
 | 28 | #include <linux/sysdev.h> | 
 | 29 | #include <linux/list.h> | 
 | 30 | #include <linux/clk.h> | 
 | 31 | #include <linux/err.h> | 
 | 32 |  | 
 | 33 | #include <plat/cpu.h> | 
 | 34 | #include <plat/cpu-freq-core.h> | 
 | 35 |  | 
 | 36 | static struct cpufreq_frequency_table pll_vals_12MHz[] = { | 
 | 37 |     { .frequency = 34000000,  .index = PLLVAL(82, 2, 3),   }, | 
 | 38 |     { .frequency = 45000000,  .index = PLLVAL(82, 1, 3),   }, | 
 | 39 |     { .frequency = 51000000,  .index = PLLVAL(161, 3, 3),  }, | 
 | 40 |     { .frequency = 48000000,  .index = PLLVAL(120, 2, 3),  }, | 
 | 41 |     { .frequency = 56000000,  .index = PLLVAL(142, 2, 3),  }, | 
 | 42 |     { .frequency = 68000000,  .index = PLLVAL(82, 2, 2),   }, | 
 | 43 |     { .frequency = 79000000,  .index = PLLVAL(71, 1, 2),   }, | 
 | 44 |     { .frequency = 85000000,  .index = PLLVAL(105, 2, 2),  }, | 
 | 45 |     { .frequency = 90000000,  .index = PLLVAL(112, 2, 2),  }, | 
 | 46 |     { .frequency = 101000000, .index = PLLVAL(127, 2, 2),  }, | 
 | 47 |     { .frequency = 113000000, .index = PLLVAL(105, 1, 2),  }, | 
 | 48 |     { .frequency = 118000000, .index = PLLVAL(150, 2, 2),  }, | 
 | 49 |     { .frequency = 124000000, .index = PLLVAL(116, 1, 2),  }, | 
 | 50 |     { .frequency = 135000000, .index = PLLVAL(82, 2, 1),   }, | 
 | 51 |     { .frequency = 147000000, .index = PLLVAL(90, 2, 1),   }, | 
 | 52 |     { .frequency = 152000000, .index = PLLVAL(68, 1, 1),   }, | 
 | 53 |     { .frequency = 158000000, .index = PLLVAL(71, 1, 1),   }, | 
 | 54 |     { .frequency = 170000000, .index = PLLVAL(77, 1, 1),   }, | 
 | 55 |     { .frequency = 180000000, .index = PLLVAL(82, 1, 1),   }, | 
 | 56 |     { .frequency = 186000000, .index = PLLVAL(85, 1, 1),   }, | 
 | 57 |     { .frequency = 192000000, .index = PLLVAL(88, 1, 1),   }, | 
 | 58 |     { .frequency = 203000000, .index = PLLVAL(161, 3, 1),  }, | 
 | 59 |  | 
 | 60 |     /* 2410A extras */ | 
 | 61 |  | 
 | 62 |     { .frequency = 210000000, .index = PLLVAL(132, 2, 1),  }, | 
 | 63 |     { .frequency = 226000000, .index = PLLVAL(105, 1, 1),  }, | 
 | 64 |     { .frequency = 266000000, .index = PLLVAL(125, 1, 1),  }, | 
 | 65 |     { .frequency = 268000000, .index = PLLVAL(126, 1, 1),  }, | 
 | 66 |     { .frequency = 270000000, .index = PLLVAL(127, 1, 1),  }, | 
 | 67 | }; | 
 | 68 |  | 
 | 69 | static int s3c2410_plls_add(struct sys_device *dev) | 
 | 70 | { | 
 | 71 | 	return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz)); | 
 | 72 | } | 
 | 73 |  | 
 | 74 | static struct sysdev_driver s3c2410_plls_drv = { | 
 | 75 | 	.add	= s3c2410_plls_add, | 
 | 76 | }; | 
 | 77 |  | 
 | 78 | static int __init s3c2410_pll_init(void) | 
 | 79 | { | 
 | 80 | 	return sysdev_driver_register(&s3c2410_sysclass, &s3c2410_plls_drv); | 
 | 81 |  | 
 | 82 | } | 
 | 83 |  | 
 | 84 | arch_initcall(s3c2410_pll_init); | 
 | 85 |  | 
 | 86 | static struct sysdev_driver s3c2410a_plls_drv = { | 
 | 87 | 	.add	= s3c2410_plls_add, | 
 | 88 | }; | 
 | 89 |  | 
 | 90 | static int __init s3c2410a_pll_init(void) | 
 | 91 | { | 
 | 92 | 	return sysdev_driver_register(&s3c2410a_sysclass, &s3c2410a_plls_drv); | 
 | 93 | } | 
 | 94 |  | 
 | 95 | arch_initcall(s3c2410a_pll_init); |