arch/arm/mach-omap2/opp3xxx_data.c

   1 /*
   2  * OMAP3 OPP table definitions.
   3  *
   4  * Copyright (C) 2009-2010 Texas Instruments Incorporated - http://www.ti.com/
   5  *      Nishanth Menon
   6  *      Kevin Hilman
   7  * Copyright (C) 2010 Nokia Corporation.
   8  *      Eduardo Valentin
   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  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  15  * kind, whether express or implied; without even the implied warranty
  16  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  */
  19 #include <linux/module.h>
  20
  21 #include <plat/cpu.h>
  22
  23 #include "omap_opp_data.h"
  24
  25 static struct omap_opp_def __initdata omap34xx_opp_def_list[] = {
  26         /* MPU OPP1 */
  27         OPP_INITIALIZER("mpu", true, 125000000, 975000),
  28         /* MPU OPP2 */
  29         OPP_INITIALIZER("mpu", true, 250000000, 1075000),
  30         /* MPU OPP3 */
  31         OPP_INITIALIZER("mpu", true, 500000000, 1200000),
  32         /* MPU OPP4 */
  33         OPP_INITIALIZER("mpu", true, 550000000, 1270000),
  34         /* MPU OPP5 */
  35         OPP_INITIALIZER("mpu", true, 600000000, 1350000),
  36
  37         /*
  38          * L3 OPP1 - 41.5 MHz is disabled because: The voltage for that OPP is
  39          * almost the same than the one at 83MHz thus providing very little
  40          * gain for the power point of view. In term of energy it will even
  41          * increase the consumption due to the very negative performance
  42          * impact that frequency will do to the MPU and the whole system in
  43          * general.
  44          */
  45         OPP_INITIALIZER("l3_main", false, 41500000, 975000),
  46         /* L3 OPP2 */
  47         OPP_INITIALIZER("l3_main", true, 83000000, 1050000),
  48         /* L3 OPP3 */
  49         OPP_INITIALIZER("l3_main", true, 166000000, 1150000),
  50
  51         /* DSP OPP1 */
  52         OPP_INITIALIZER("iva", true, 90000000, 975000),
  53         /* DSP OPP2 */
  54         OPP_INITIALIZER("iva", true, 180000000, 1075000),
  55         /* DSP OPP3 */
  56         OPP_INITIALIZER("iva", true, 360000000, 1200000),
  57         /* DSP OPP4 */
  58         OPP_INITIALIZER("iva", true, 400000000, 1270000),
  59         /* DSP OPP5 */
  60         OPP_INITIALIZER("iva", true, 430000000, 1350000),
  61 };
  62
  63 static struct omap_opp_def __initdata omap36xx_opp_def_list[] = {
  64         /* MPU OPP1 - OPP50 */
  65         OPP_INITIALIZER("mpu", true,  300000000, 1012500),
  66         /* MPU OPP2 - OPP100 */
  67         OPP_INITIALIZER("mpu", true,  600000000, 1200000),
  68         /* MPU OPP3 - OPP-Turbo */
  69         OPP_INITIALIZER("mpu", false, 800000000, 1325000),
  70         /* MPU OPP4 - OPP-SB */
  71         OPP_INITIALIZER("mpu", false, 1000000000, 1375000),
  72
  73         /* L3 OPP1 - OPP50 */
  74         OPP_INITIALIZER("l3_main", true, 100000000, 1000000),
  75         /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
  76         OPP_INITIALIZER("l3_main", true, 200000000, 1200000),
  77
  78         /* DSP OPP1 - OPP50 */
  79         OPP_INITIALIZER("iva", true,  260000000, 1012500),
  80         /* DSP OPP2 - OPP100 */
  81         OPP_INITIALIZER("iva", true,  520000000, 1200000),
  82         /* DSP OPP3 - OPP-Turbo */
  83         OPP_INITIALIZER("iva", false, 660000000, 1325000),
  84         /* DSP OPP4 - OPP-SB */
  85         OPP_INITIALIZER("iva", false, 800000000, 1375000),
  86 };
  87
  88 /**
  89  * omap3_opp_init() - initialize omap3 opp table
  90  */
  91 static int __init omap3_opp_init(void)
  92 {
  93         int r = -ENODEV;
  94
  95         if (!cpu_is_omap34xx())
  96                 return r;
  97
  98         if (cpu_is_omap3630())
  99                 r = omap_init_opp_table(omap36xx_opp_def_list,
 100                         ARRAY_SIZE(omap36xx_opp_def_list));
 101         else
 102                 r = omap_init_opp_table(omap34xx_opp_def_list,
 103                         ARRAY_SIZE(omap34xx_opp_def_list));
 104
 105         return r;
 106 }
 107 device_initcall(omap3_opp_init);