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> |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 28 | #include <linux/device.h> |
Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 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 | |
Heiko Stuebner | 04511a6 | 2012-01-27 15:35:25 +0900 | [diff] [blame] | 69 | static int s3c2410_plls_add(struct device *dev, struct subsys_interface *sif) |
Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 70 | { |
| 71 | return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz)); |
| 72 | } |
| 73 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 74 | static struct subsys_interface s3c2410_plls_interface = { |
| 75 | .name = "s3c2410_plls", |
| 76 | .subsys = &s3c2410_subsys, |
| 77 | .add_dev = s3c2410_plls_add, |
Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 78 | }; |
| 79 | |
| 80 | static int __init s3c2410_pll_init(void) |
| 81 | { |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 82 | return subsys_interface_register(&s3c2410_plls_interface); |
Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 83 | |
| 84 | } |
| 85 | |
| 86 | arch_initcall(s3c2410_pll_init); |
| 87 | |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 88 | static struct subsys_interface s3c2410a_plls_interface = { |
| 89 | .name = "s3c2410a_plls", |
| 90 | .subsys = &s3c2410a_subsys, |
| 91 | .add_dev = s3c2410_plls_add, |
Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | static int __init s3c2410a_pll_init(void) |
| 95 | { |
Kay Sievers | 4a858cf | 2011-12-21 16:01:38 -0800 | [diff] [blame] | 96 | return subsys_interface_register(&s3c2410a_plls_interface); |
Ben Dooks | 438a09e | 2009-07-30 23:23:28 +0100 | [diff] [blame] | 97 | } |
| 98 | |
| 99 | arch_initcall(s3c2410a_pll_init); |