aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c')
-rw-r--r--arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c127
1 files changed, 127 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c b/arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c
new file mode 100644
index 000000000000..7679af13a94d
--- /dev/null
+++ b/arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c
@@ -0,0 +1,127 @@
1/* arch/arm/plat-s3c24xx/s3c2440-pll-16934400.c
2 *
3 * Copyright (c) 2006-2008 Simtec Electronics
4 * http://armlinux.simtec.co.uk/
5 * Ben Dooks <ben@simtec.co.uk>
6 * Vincent Sanders <vince@arm.linux.org.uk>
7 *
8 * S3C2440/S3C2442 CPU PLL tables (16.93444MHz Crystal)
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 version 2 as
12 * published by the Free Software Foundation.
13*/
14
15#include <linux/types.h>
16#include <linux/kernel.h>
17#include <linux/sysdev.h>
18#include <linux/clk.h>
19#include <linux/err.h>
20
21#include <plat/cpu.h>
22#include <plat/cpu-freq-core.h>
23
24static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = {
25 { .frequency = 78019200, .index = PLLVAL(121, 5, 3), }, /* FVco 624.153600 */
26 { .frequency = 84067200, .index = PLLVAL(131, 5, 3), }, /* FVco 672.537600 */
27 { .frequency = 90115200, .index = PLLVAL(141, 5, 3), }, /* FVco 720.921600 */
28 { .frequency = 96163200, .index = PLLVAL(151, 5, 3), }, /* FVco 769.305600 */
29 { .frequency = 102135600, .index = PLLVAL(185, 6, 3), }, /* FVco 817.084800 */
30 { .frequency = 108259200, .index = PLLVAL(171, 5, 3), }, /* FVco 866.073600 */
31 { .frequency = 114307200, .index = PLLVAL(127, 3, 3), }, /* FVco 914.457600 */
32 { .frequency = 120234240, .index = PLLVAL(134, 3, 3), }, /* FVco 961.873920 */
33 { .frequency = 126161280, .index = PLLVAL(141, 3, 3), }, /* FVco 1009.290240 */
34 { .frequency = 132088320, .index = PLLVAL(148, 3, 3), }, /* FVco 1056.706560 */
35 { .frequency = 138015360, .index = PLLVAL(155, 3, 3), }, /* FVco 1104.122880 */
36 { .frequency = 144789120, .index = PLLVAL(163, 3, 3), }, /* FVco 1158.312960 */
37 { .frequency = 150100363, .index = PLLVAL(187, 9, 2), }, /* FVco 600.401454 */
38 { .frequency = 156038400, .index = PLLVAL(121, 5, 2), }, /* FVco 624.153600 */
39 { .frequency = 162086400, .index = PLLVAL(126, 5, 2), }, /* FVco 648.345600 */
40 { .frequency = 168134400, .index = PLLVAL(131, 5, 2), }, /* FVco 672.537600 */
41 { .frequency = 174048000, .index = PLLVAL(177, 7, 2), }, /* FVco 696.192000 */
42 { .frequency = 180230400, .index = PLLVAL(141, 5, 2), }, /* FVco 720.921600 */
43 { .frequency = 186278400, .index = PLLVAL(124, 4, 2), }, /* FVco 745.113600 */
44 { .frequency = 192326400, .index = PLLVAL(151, 5, 2), }, /* FVco 769.305600 */
45 { .frequency = 198132480, .index = PLLVAL(109, 3, 2), }, /* FVco 792.529920 */
46 { .frequency = 204271200, .index = PLLVAL(185, 6, 2), }, /* FVco 817.084800 */
47 { .frequency = 210268800, .index = PLLVAL(141, 4, 2), }, /* FVco 841.075200 */
48 { .frequency = 216518400, .index = PLLVAL(171, 5, 2), }, /* FVco 866.073600 */
49 { .frequency = 222264000, .index = PLLVAL(97, 2, 2), }, /* FVco 889.056000 */
50 { .frequency = 228614400, .index = PLLVAL(127, 3, 2), }, /* FVco 914.457600 */
51 { .frequency = 234259200, .index = PLLVAL(158, 4, 2), }, /* FVco 937.036800 */
52 { .frequency = 240468480, .index = PLLVAL(134, 3, 2), }, /* FVco 961.873920 */
53 { .frequency = 246960000, .index = PLLVAL(167, 4, 2), }, /* FVco 987.840000 */
54 { .frequency = 252322560, .index = PLLVAL(141, 3, 2), }, /* FVco 1009.290240 */
55 { .frequency = 258249600, .index = PLLVAL(114, 2, 2), }, /* FVco 1032.998400 */
56 { .frequency = 264176640, .index = PLLVAL(148, 3, 2), }, /* FVco 1056.706560 */
57 { .frequency = 270950400, .index = PLLVAL(120, 2, 2), }, /* FVco 1083.801600 */
58 { .frequency = 276030720, .index = PLLVAL(155, 3, 2), }, /* FVco 1104.122880 */
59 { .frequency = 282240000, .index = PLLVAL(92, 1, 2), }, /* FVco 1128.960000 */
60 { .frequency = 289578240, .index = PLLVAL(163, 3, 2), }, /* FVco 1158.312960 */
61 { .frequency = 294235200, .index = PLLVAL(131, 2, 2), }, /* FVco 1176.940800 */
62 { .frequency = 300200727, .index = PLLVAL(187, 9, 1), }, /* FVco 600.401454 */
63 { .frequency = 306358690, .index = PLLVAL(191, 9, 1), }, /* FVco 612.717380 */
64 { .frequency = 312076800, .index = PLLVAL(121, 5, 1), }, /* FVco 624.153600 */
65 { .frequency = 318366720, .index = PLLVAL(86, 3, 1), }, /* FVco 636.733440 */
66 { .frequency = 324172800, .index = PLLVAL(126, 5, 1), }, /* FVco 648.345600 */
67 { .frequency = 330220800, .index = PLLVAL(109, 4, 1), }, /* FVco 660.441600 */
68 { .frequency = 336268800, .index = PLLVAL(131, 5, 1), }, /* FVco 672.537600 */
69 { .frequency = 342074880, .index = PLLVAL(93, 3, 1), }, /* FVco 684.149760 */
70 { .frequency = 348096000, .index = PLLVAL(177, 7, 1), }, /* FVco 696.192000 */
71 { .frequency = 355622400, .index = PLLVAL(118, 4, 1), }, /* FVco 711.244800 */
72 { .frequency = 360460800, .index = PLLVAL(141, 5, 1), }, /* FVco 720.921600 */
73 { .frequency = 366206400, .index = PLLVAL(165, 6, 1), }, /* FVco 732.412800 */
74 { .frequency = 372556800, .index = PLLVAL(124, 4, 1), }, /* FVco 745.113600 */
75 { .frequency = 378201600, .index = PLLVAL(126, 4, 1), }, /* FVco 756.403200 */
76 { .frequency = 384652800, .index = PLLVAL(151, 5, 1), }, /* FVco 769.305600 */
77 { .frequency = 391608000, .index = PLLVAL(177, 6, 1), }, /* FVco 783.216000 */
78 { .frequency = 396264960, .index = PLLVAL(109, 3, 1), }, /* FVco 792.529920 */
79 { .frequency = 402192000, .index = PLLVAL(87, 2, 1), }, /* FVco 804.384000 */
80};
81
82static int s3c2440_plls169344_add(struct sys_device *dev)
83{
84 struct clk *xtal_clk;
85 unsigned long xtal;
86
87 xtal_clk = clk_get(NULL, "xtal");
88 if (IS_ERR(xtal_clk))
89 return PTR_ERR(xtal_clk);
90
91 xtal = clk_get_rate(xtal_clk);
92 clk_put(xtal_clk);
93
94 if (xtal == 169344000) {
95 printk(KERN_INFO "Using PLL table for 16.9344MHz crystal\n");
96 return s3c_plltab_register(s3c2440_plls_169344,
97 ARRAY_SIZE(s3c2440_plls_169344));
98 }
99
100 return 0;
101}
102
103static struct sysdev_driver s3c2440_plls169344_drv = {
104 .add = s3c2440_plls169344_add,
105};
106
107static int __init s3c2440_pll_16934400(void)
108{
109 return sysdev_driver_register(&s3c2440_sysclass,
110 &s3c2440_plls169344_drv);
111
112}
113
114arch_initcall(s3c2440_pll_16934400);
115
116static struct sysdev_driver s3c2442_plls169344_drv = {
117 .add = s3c2440_plls169344_add,
118};
119
120static int __init s3c2442_pll_16934400(void)
121{
122 return sysdev_driver_register(&s3c2442_sysclass,
123 &s3c2442_plls169344_drv);
124
125}
126
127arch_initcall(s3c2442_pll_16934400);
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-04 16:55:23 -0500