arch/arm/mach-omap2/opp4xxx_data.c

   1 /*
   2  * OMAP4 OPP table definitions.
   3  *
   4  * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
   5  *      Nishanth Menon
   6  *      Kevin Hilman
   7  *      Thara Gopinath
   8  * Copyright (C) 2010-2011 Nokia Corporation.
   9  *      Eduardo Valentin
  10  *      Paul Walmsley
  11  *
  12  * This program is free software; you can redistribute it and/or modify
  13  * it under the terms of the GNU General Public License version 2 as
  14  * published by the Free Software Foundation.
  15  *
  16  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
  17  * kind, whether express or implied; without even the implied warranty
  18  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  */
  21 #include <linux/module.h>
  22
  23 #include <plat/cpu.h>
  24
  25 #include "control.h"
  26 #include "omap_opp_data.h"
  27
  28 /*
  29  * Structures containing OMAP4430 voltage supported and various
  30  * voltage dependent data for each VDD.
  31  */
  32
  33 #define OMAP4430_VDD_MPU_OPP50_UV               930000
  34 #define OMAP4430_VDD_MPU_OPP100_UV              1100000
  35 #define OMAP4430_VDD_MPU_OPPTURBO_UV            1260000
  36 #define OMAP4430_VDD_MPU_OPPNITRO_UV            1350000
  37
  38 struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
  39         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
  40         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
  41         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
  42         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
  43         VOLT_DATA_DEFINE(0, 0, 0, 0),
  44 };
  45
  46 #define OMAP4430_VDD_IVA_OPP50_UV               930000
  47 #define OMAP4430_VDD_IVA_OPP100_UV              1100000
  48 #define OMAP4430_VDD_IVA_OPPTURBO_UV            1260000
  49
  50 struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
  51         VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
  52         VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
  53         VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
  54         VOLT_DATA_DEFINE(0, 0, 0, 0),
  55 };
  56
  57 #define OMAP4430_VDD_CORE_OPP50_UV              930000
  58 #define OMAP4430_VDD_CORE_OPP100_UV             1100000
  59
  60 struct omap_volt_data omap44xx_vdd_core_volt_data[] = {
  61         VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
  62         VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
  63         VOLT_DATA_DEFINE(0, 0, 0, 0),
  64 };
  65
  66
  67 static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
  68         /* MPU OPP1 - OPP50 */
  69         OPP_INITIALIZER("mpu", true, 300000000, OMAP4430_VDD_MPU_OPP50_UV),
  70         /* MPU OPP2 - OPP100 */
  71         OPP_INITIALIZER("mpu", true, 600000000, OMAP4430_VDD_MPU_OPP100_UV),
  72         /* MPU OPP3 - OPP-Turbo */
  73         OPP_INITIALIZER("mpu", false, 800000000, OMAP4430_VDD_MPU_OPPTURBO_UV),
  74         /* MPU OPP4 - OPP-SB */
  75         OPP_INITIALIZER("mpu", false, 1008000000, OMAP4430_VDD_MPU_OPPNITRO_UV),
  76         /* L3 OPP1 - OPP50 */
  77         OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4430_VDD_CORE_OPP50_UV),
  78         /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
  79         OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4430_VDD_CORE_OPP100_UV),
  80         /* TODO: add IVA, DSP, aess, fdif, gpu */
  81 };
  82
  83 /**
  84  * omap4_opp_init() - initialize omap4 opp table
  85  */
  86 static int __init omap4_opp_init(void)
  87 {
  88         int r = -ENODEV;
  89
  90         if (!cpu_is_omap44xx())
  91                 return r;
  92
  93         r = omap_init_opp_table(omap44xx_opp_def_list,
  94                         ARRAY_SIZE(omap44xx_opp_def_list));
  95
  96         return r;
  97 }
  98 device_initcall(omap4_opp_init);