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Merge tag 'sunxi-fixes-for-4.4' of https://git.kernel.org/pub/scm/linux/kernel/git...
[karo-tx-linux.git] / arch / arm / mach-s3c24xx / pll-s3c2440-16934400.c
1 /*
2  * Copyright (c) 2006-2008 Simtec Electronics
3  *      http://armlinux.simtec.co.uk/
4  *      Ben Dooks <ben@simtec.co.uk>
5  *      Vincent Sanders <vince@arm.linux.org.uk>
6  *
7  * S3C2440/S3C2442 CPU PLL tables (16.93444MHz Crystal)
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12 */
13
14 #include <linux/types.h>
15 #include <linux/kernel.h>
16 #include <linux/device.h>
17 #include <linux/clk.h>
18 #include <linux/err.h>
19
20 #include <plat/cpu.h>
21 #include <plat/cpu-freq-core.h>
22
23 static struct cpufreq_frequency_table s3c2440_plls_169344[] = {
24         { .frequency = 78019200,        .driver_data = PLLVAL(121, 5, 3),       },      /* FVco 624.153600 */
25         { .frequency = 84067200,        .driver_data = PLLVAL(131, 5, 3),       },      /* FVco 672.537600 */
26         { .frequency = 90115200,        .driver_data = PLLVAL(141, 5, 3),       },      /* FVco 720.921600 */
27         { .frequency = 96163200,        .driver_data = PLLVAL(151, 5, 3),       },      /* FVco 769.305600 */
28         { .frequency = 102135600,       .driver_data = PLLVAL(185, 6, 3),       },      /* FVco 817.084800 */
29         { .frequency = 108259200,       .driver_data = PLLVAL(171, 5, 3),       },      /* FVco 866.073600 */
30         { .frequency = 114307200,       .driver_data = PLLVAL(127, 3, 3),       },      /* FVco 914.457600 */
31         { .frequency = 120234240,       .driver_data = PLLVAL(134, 3, 3),       },      /* FVco 961.873920 */
32         { .frequency = 126161280,       .driver_data = PLLVAL(141, 3, 3),       },      /* FVco 1009.290240 */
33         { .frequency = 132088320,       .driver_data = PLLVAL(148, 3, 3),       },      /* FVco 1056.706560 */
34         { .frequency = 138015360,       .driver_data = PLLVAL(155, 3, 3),       },      /* FVco 1104.122880 */
35         { .frequency = 144789120,       .driver_data = PLLVAL(163, 3, 3),       },      /* FVco 1158.312960 */
36         { .frequency = 150100363,       .driver_data = PLLVAL(187, 9, 2),       },      /* FVco 600.401454 */
37         { .frequency = 156038400,       .driver_data = PLLVAL(121, 5, 2),       },      /* FVco 624.153600 */
38         { .frequency = 162086400,       .driver_data = PLLVAL(126, 5, 2),       },      /* FVco 648.345600 */
39         { .frequency = 168134400,       .driver_data = PLLVAL(131, 5, 2),       },      /* FVco 672.537600 */
40         { .frequency = 174048000,       .driver_data = PLLVAL(177, 7, 2),       },      /* FVco 696.192000 */
41         { .frequency = 180230400,       .driver_data = PLLVAL(141, 5, 2),       },      /* FVco 720.921600 */
42         { .frequency = 186278400,       .driver_data = PLLVAL(124, 4, 2),       },      /* FVco 745.113600 */
43         { .frequency = 192326400,       .driver_data = PLLVAL(151, 5, 2),       },      /* FVco 769.305600 */
44         { .frequency = 198132480,       .driver_data = PLLVAL(109, 3, 2),       },      /* FVco 792.529920 */
45         { .frequency = 204271200,       .driver_data = PLLVAL(185, 6, 2),       },      /* FVco 817.084800 */
46         { .frequency = 210268800,       .driver_data = PLLVAL(141, 4, 2),       },      /* FVco 841.075200 */
47         { .frequency = 216518400,       .driver_data = PLLVAL(171, 5, 2),       },      /* FVco 866.073600 */
48         { .frequency = 222264000,       .driver_data = PLLVAL(97, 2, 2),        },      /* FVco 889.056000 */
49         { .frequency = 228614400,       .driver_data = PLLVAL(127, 3, 2),       },      /* FVco 914.457600 */
50         { .frequency = 234259200,       .driver_data = PLLVAL(158, 4, 2),       },      /* FVco 937.036800 */
51         { .frequency = 240468480,       .driver_data = PLLVAL(134, 3, 2),       },      /* FVco 961.873920 */
52         { .frequency = 246960000,       .driver_data = PLLVAL(167, 4, 2),       },      /* FVco 987.840000 */
53         { .frequency = 252322560,       .driver_data = PLLVAL(141, 3, 2),       },      /* FVco 1009.290240 */
54         { .frequency = 258249600,       .driver_data = PLLVAL(114, 2, 2),       },      /* FVco 1032.998400 */
55         { .frequency = 264176640,       .driver_data = PLLVAL(148, 3, 2),       },      /* FVco 1056.706560 */
56         { .frequency = 270950400,       .driver_data = PLLVAL(120, 2, 2),       },      /* FVco 1083.801600 */
57         { .frequency = 276030720,       .driver_data = PLLVAL(155, 3, 2),       },      /* FVco 1104.122880 */
58         { .frequency = 282240000,       .driver_data = PLLVAL(92, 1, 2),        },      /* FVco 1128.960000 */
59         { .frequency = 289578240,       .driver_data = PLLVAL(163, 3, 2),       },      /* FVco 1158.312960 */
60         { .frequency = 294235200,       .driver_data = PLLVAL(131, 2, 2),       },      /* FVco 1176.940800 */
61         { .frequency = 300200727,       .driver_data = PLLVAL(187, 9, 1),       },      /* FVco 600.401454 */
62         { .frequency = 306358690,       .driver_data = PLLVAL(191, 9, 1),       },      /* FVco 612.717380 */
63         { .frequency = 312076800,       .driver_data = PLLVAL(121, 5, 1),       },      /* FVco 624.153600 */
64         { .frequency = 318366720,       .driver_data = PLLVAL(86, 3, 1),        },      /* FVco 636.733440 */
65         { .frequency = 324172800,       .driver_data = PLLVAL(126, 5, 1),       },      /* FVco 648.345600 */
66         { .frequency = 330220800,       .driver_data = PLLVAL(109, 4, 1),       },      /* FVco 660.441600 */
67         { .frequency = 336268800,       .driver_data = PLLVAL(131, 5, 1),       },      /* FVco 672.537600 */
68         { .frequency = 342074880,       .driver_data = PLLVAL(93, 3, 1),        },      /* FVco 684.149760 */
69         { .frequency = 348096000,       .driver_data = PLLVAL(177, 7, 1),       },      /* FVco 696.192000 */
70         { .frequency = 355622400,       .driver_data = PLLVAL(118, 4, 1),       },      /* FVco 711.244800 */
71         { .frequency = 360460800,       .driver_data = PLLVAL(141, 5, 1),       },      /* FVco 720.921600 */
72         { .frequency = 366206400,       .driver_data = PLLVAL(165, 6, 1),       },      /* FVco 732.412800 */
73         { .frequency = 372556800,       .driver_data = PLLVAL(124, 4, 1),       },      /* FVco 745.113600 */
74         { .frequency = 378201600,       .driver_data = PLLVAL(126, 4, 1),       },      /* FVco 756.403200 */
75         { .frequency = 384652800,       .driver_data = PLLVAL(151, 5, 1),       },      /* FVco 769.305600 */
76         { .frequency = 391608000,       .driver_data = PLLVAL(177, 6, 1),       },      /* FVco 783.216000 */
77         { .frequency = 396264960,       .driver_data = PLLVAL(109, 3, 1),       },      /* FVco 792.529920 */
78         { .frequency = 402192000,       .driver_data = PLLVAL(87, 2, 1),        },      /* FVco 804.384000 */
79 };
80
81 static int s3c2440_plls169344_add(struct device *dev,
82                                   struct subsys_interface *sif)
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
103 static struct subsys_interface s3c2440_plls169344_interface = {
104         .name           = "s3c2440_plls169344",
105         .subsys         = &s3c2440_subsys,
106         .add_dev        = s3c2440_plls169344_add,
107 };
108
109 static int __init s3c2440_pll_16934400(void)
110 {
111         return subsys_interface_register(&s3c2440_plls169344_interface);
112 }
113 arch_initcall(s3c2440_pll_16934400);
114
115 static struct subsys_interface s3c2442_plls169344_interface = {
116         .name           = "s3c2442_plls169344",
117         .subsys         = &s3c2442_subsys,
118         .add_dev        = s3c2440_plls169344_add,
119 };
120
121 static int __init s3c2442_pll_16934400(void)
122 {
123         return subsys_interface_register(&s3c2442_plls169344_interface);
124 }
125 arch_initcall(s3c2442_pll_16934400);