| 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); |