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438a09e1 BD |
1 | /* arch/arm/mach-s3c2410/pll.c |
2 | * | |
e02f8664 | 3 | * Copyright (c) 2006-2007 Simtec Electronics |
438a09e1 BD |
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); |