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s3c2440-pll-16934400.c

/* arch/arm/mach-s3c2440/s3c2440-pll-16934400.c
 *
 * Copyright (c) 2006-2008 Simtec Electronics
 *    http://armlinux.simtec.co.uk/
 *    Ben Dooks <ben@simtec.co.uk>
 *    Vincent Sanders <vince@arm.linux.org.uk>
 *
 * S3C2440/S3C2442 CPU PLL tables (16.93444MHz Crystal)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
*/

#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sysdev.h>
#include <linux/clk.h>
#include <linux/err.h>

#include <plat/cpu.h>
#include <plat/cpu-freq-core.h>

static struct cpufreq_frequency_table s3c2440_plls_169344[] __initdata = {
      { .frequency = 78019200,      .index = PLLVAL(121, 5, 3),   },    /* FVco 624.153600 */
      { .frequency = 84067200,      .index = PLLVAL(131, 5, 3),   },    /* FVco 672.537600 */
      { .frequency = 90115200,      .index = PLLVAL(141, 5, 3),   },    /* FVco 720.921600 */
      { .frequency = 96163200,      .index = PLLVAL(151, 5, 3),   },    /* FVco 769.305600 */
      { .frequency = 102135600,     .index = PLLVAL(185, 6, 3),   },    /* FVco 817.084800 */
      { .frequency = 108259200,     .index = PLLVAL(171, 5, 3),   },    /* FVco 866.073600 */
      { .frequency = 114307200,     .index = PLLVAL(127, 3, 3),   },    /* FVco 914.457600 */
      { .frequency = 120234240,     .index = PLLVAL(134, 3, 3),   },    /* FVco 961.873920 */
      { .frequency = 126161280,     .index = PLLVAL(141, 3, 3),   },    /* FVco 1009.290240 */
      { .frequency = 132088320,     .index = PLLVAL(148, 3, 3),   },    /* FVco 1056.706560 */
      { .frequency = 138015360,     .index = PLLVAL(155, 3, 3),   },    /* FVco 1104.122880 */
      { .frequency = 144789120,     .index = PLLVAL(163, 3, 3),   },    /* FVco 1158.312960 */
      { .frequency = 150100363,     .index = PLLVAL(187, 9, 2),   },    /* FVco 600.401454 */
      { .frequency = 156038400,     .index = PLLVAL(121, 5, 2),   },    /* FVco 624.153600 */
      { .frequency = 162086400,     .index = PLLVAL(126, 5, 2),   },    /* FVco 648.345600 */
      { .frequency = 168134400,     .index = PLLVAL(131, 5, 2),   },    /* FVco 672.537600 */
      { .frequency = 174048000,     .index = PLLVAL(177, 7, 2),   },    /* FVco 696.192000 */
      { .frequency = 180230400,     .index = PLLVAL(141, 5, 2),   },    /* FVco 720.921600 */
      { .frequency = 186278400,     .index = PLLVAL(124, 4, 2),   },    /* FVco 745.113600 */
      { .frequency = 192326400,     .index = PLLVAL(151, 5, 2),   },    /* FVco 769.305600 */
      { .frequency = 198132480,     .index = PLLVAL(109, 3, 2),   },    /* FVco 792.529920 */
      { .frequency = 204271200,     .index = PLLVAL(185, 6, 2),   },    /* FVco 817.084800 */
      { .frequency = 210268800,     .index = PLLVAL(141, 4, 2),   },    /* FVco 841.075200 */
      { .frequency = 216518400,     .index = PLLVAL(171, 5, 2),   },    /* FVco 866.073600 */
      { .frequency = 222264000,     .index = PLLVAL(97, 2, 2),    },    /* FVco 889.056000 */
      { .frequency = 228614400,     .index = PLLVAL(127, 3, 2),   },    /* FVco 914.457600 */
      { .frequency = 234259200,     .index = PLLVAL(158, 4, 2),   },    /* FVco 937.036800 */
      { .frequency = 240468480,     .index = PLLVAL(134, 3, 2),   },    /* FVco 961.873920 */
      { .frequency = 246960000,     .index = PLLVAL(167, 4, 2),   },    /* FVco 987.840000 */
      { .frequency = 252322560,     .index = PLLVAL(141, 3, 2),   },    /* FVco 1009.290240 */
      { .frequency = 258249600,     .index = PLLVAL(114, 2, 2),   },    /* FVco 1032.998400 */
      { .frequency = 264176640,     .index = PLLVAL(148, 3, 2),   },    /* FVco 1056.706560 */
      { .frequency = 270950400,     .index = PLLVAL(120, 2, 2),   },    /* FVco 1083.801600 */
      { .frequency = 276030720,     .index = PLLVAL(155, 3, 2),   },    /* FVco 1104.122880 */
      { .frequency = 282240000,     .index = PLLVAL(92, 1, 2),    },    /* FVco 1128.960000 */
      { .frequency = 289578240,     .index = PLLVAL(163, 3, 2),   },    /* FVco 1158.312960 */
      { .frequency = 294235200,     .index = PLLVAL(131, 2, 2),   },    /* FVco 1176.940800 */
      { .frequency = 300200727,     .index = PLLVAL(187, 9, 1),   },    /* FVco 600.401454 */
      { .frequency = 306358690,     .index = PLLVAL(191, 9, 1),   },    /* FVco 612.717380 */
      { .frequency = 312076800,     .index = PLLVAL(121, 5, 1),   },    /* FVco 624.153600 */
      { .frequency = 318366720,     .index = PLLVAL(86, 3, 1),    },    /* FVco 636.733440 */
      { .frequency = 324172800,     .index = PLLVAL(126, 5, 1),   },    /* FVco 648.345600 */
      { .frequency = 330220800,     .index = PLLVAL(109, 4, 1),   },    /* FVco 660.441600 */
      { .frequency = 336268800,     .index = PLLVAL(131, 5, 1),   },    /* FVco 672.537600 */
      { .frequency = 342074880,     .index = PLLVAL(93, 3, 1),    },    /* FVco 684.149760 */
      { .frequency = 348096000,     .index = PLLVAL(177, 7, 1),   },    /* FVco 696.192000 */
      { .frequency = 355622400,     .index = PLLVAL(118, 4, 1),   },    /* FVco 711.244800 */
      { .frequency = 360460800,     .index = PLLVAL(141, 5, 1),   },    /* FVco 720.921600 */
      { .frequency = 366206400,     .index = PLLVAL(165, 6, 1),   },    /* FVco 732.412800 */
      { .frequency = 372556800,     .index = PLLVAL(124, 4, 1),   },    /* FVco 745.113600 */
      { .frequency = 378201600,     .index = PLLVAL(126, 4, 1),   },    /* FVco 756.403200 */
      { .frequency = 384652800,     .index = PLLVAL(151, 5, 1),   },    /* FVco 769.305600 */
      { .frequency = 391608000,     .index = PLLVAL(177, 6, 1),   },    /* FVco 783.216000 */
      { .frequency = 396264960,     .index = PLLVAL(109, 3, 1),   },    /* FVco 792.529920 */
      { .frequency = 402192000,     .index = PLLVAL(87, 2, 1),    },    /* FVco 804.384000 */
};

static int s3c2440_plls169344_add(struct sys_device *dev)
{
      struct clk *xtal_clk;
      unsigned long xtal;

      xtal_clk = clk_get(NULL, "xtal");
      if (IS_ERR(xtal_clk))
            return PTR_ERR(xtal_clk);

      xtal = clk_get_rate(xtal_clk);
      clk_put(xtal_clk);

      if (xtal == 169344000) {
            printk(KERN_INFO "Using PLL table for 16.9344MHz crystal\n");
            return s3c_plltab_register(s3c2440_plls_169344,
                                 ARRAY_SIZE(s3c2440_plls_169344));
      }

      return 0;
}

static struct sysdev_driver s3c2440_plls169344_drv = {
      .add  = s3c2440_plls169344_add,
};

static int __init s3c2440_pll_16934400(void)
{
      return sysdev_driver_register(&s3c2440_sysclass,
                              &s3c2440_plls169344_drv);

}

arch_initcall(s3c2440_pll_16934400);

static struct sysdev_driver s3c2442_plls169344_drv = {
      .add  = s3c2440_plls169344_add,
};

static int __init s3c2442_pll_16934400(void)
{
      return sysdev_driver_register(&s3c2442_sysclass,
                              &s3c2442_plls169344_drv);

}

arch_initcall(s3c2442_pll_16934400);

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