arch/arm/mach-omap2/opp4xxx_data.c

   1 /*
   2  * OMAP4 OPP table definitions.
   3  *
   4  * Copyright (C) 2010-2012 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 "soc.h"
  24 #include "control.h"
  25 #include "omap_opp_data.h"
  26 #include "pm.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               1025000
  34 #define OMAP4430_VDD_MPU_OPP100_UV              1200000
  35 #define OMAP4430_VDD_MPU_OPPTURBO_UV            1313000
  36 #define OMAP4430_VDD_MPU_OPPNITRO_UV            1375000
  37
  38 struct omap_volt_data omap443x_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               1013000
  47 #define OMAP4430_VDD_IVA_OPP100_UV              1188000
  48 #define OMAP4430_VDD_IVA_OPPTURBO_UV            1300000
  49
  50 struct omap_volt_data omap443x_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              1025000
  58 #define OMAP4430_VDD_CORE_OPP100_UV             1200000
  59
  60 struct omap_volt_data omap443x_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 omap443x_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", true, 800000000, OMAP4430_VDD_MPU_OPPTURBO_UV),
  74         /* MPU OPP4 - OPP-SB */
  75         OPP_INITIALIZER("mpu", true, 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         /* IVA OPP1 - OPP50 */
  81         OPP_INITIALIZER("iva", true, 133000000, OMAP4430_VDD_IVA_OPP50_UV),
  82         /* IVA OPP2 - OPP100 */
  83         OPP_INITIALIZER("iva", true, 266100000, OMAP4430_VDD_IVA_OPP100_UV),
  84         /* IVA OPP3 - OPP-Turbo */
  85         OPP_INITIALIZER("iva", false, 332000000, OMAP4430_VDD_IVA_OPPTURBO_UV),
  86         /* TODO: add DSP, aess, fdif, gpu */
  87 };
  88
  89 #define OMAP4460_VDD_MPU_OPP50_UV               1025000
  90 #define OMAP4460_VDD_MPU_OPP100_UV              1200000
  91 #define OMAP4460_VDD_MPU_OPPTURBO_UV            1313000
  92 #define OMAP4460_VDD_MPU_OPPNITRO_UV            1375000
  93
  94 struct omap_volt_data omap446x_vdd_mpu_volt_data[] = {
  95         VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
  96         VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
  97         VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
  98         VOLT_DATA_DEFINE(OMAP4460_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
  99         VOLT_DATA_DEFINE(0, 0, 0, 0),
 100 };
 101
 102 #define OMAP4460_VDD_IVA_OPP50_UV               1025000
 103 #define OMAP4460_VDD_IVA_OPP100_UV              1200000
 104 #define OMAP4460_VDD_IVA_OPPTURBO_UV            1313000
 105 #define OMAP4460_VDD_IVA_OPPNITRO_UV            1375000
 106
 107 struct omap_volt_data omap446x_vdd_iva_volt_data[] = {
 108         VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
 109         VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
 110         VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
 111         VOLT_DATA_DEFINE(OMAP4460_VDD_IVA_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPNITRO, 0xfa, 0x23),
 112         VOLT_DATA_DEFINE(0, 0, 0, 0),
 113 };
 114
 115 #define OMAP4460_VDD_CORE_OPP50_UV              1025000
 116 #define OMAP4460_VDD_CORE_OPP100_UV             1200000
 117 #define OMAP4460_VDD_CORE_OPP100_OV_UV          1250000
 118
 119 struct omap_volt_data omap446x_vdd_core_volt_data[] = {
 120         VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
 121         VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
 122         VOLT_DATA_DEFINE(OMAP4460_VDD_CORE_OPP100_OV_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100OV, 0xf9, 0x16),
 123         VOLT_DATA_DEFINE(0, 0, 0, 0),
 124 };
 125
 126 static struct omap_opp_def __initdata omap446x_opp_def_list[] = {
 127         /* MPU OPP1 - OPP50 */
 128         OPP_INITIALIZER("mpu", true, 350000000, OMAP4460_VDD_MPU_OPP50_UV),
 129         /* MPU OPP2 - OPP100 */
 130         OPP_INITIALIZER("mpu", true, 700000000, OMAP4460_VDD_MPU_OPP100_UV),
 131         /* MPU OPP3 - OPP-Turbo */
 132         OPP_INITIALIZER("mpu", true, 920000000, OMAP4460_VDD_MPU_OPPTURBO_UV),
 133         /*
 134          * MPU OPP4 - OPP-Nitro + Disabled as the reference schematics
 135          * recommends TPS623631 - confirm and enable the opp in board file
 136          * XXX: May be we should enable these based on mpu capability and
 137          * Exception board files disable it...
 138          */
 139         OPP_INITIALIZER("mpu", false, 1200000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
 140         /* MPU OPP4 - OPP-Nitro SpeedBin */
 141         OPP_INITIALIZER("mpu", false, 1500000000, OMAP4460_VDD_MPU_OPPNITRO_UV),
 142         /* L3 OPP1 - OPP50 */
 143         OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4460_VDD_CORE_OPP50_UV),
 144         /* L3 OPP2 - OPP100 */
 145         OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4460_VDD_CORE_OPP100_UV),
 146         /* IVA OPP1 - OPP50 */
 147         OPP_INITIALIZER("iva", true, 133000000, OMAP4460_VDD_IVA_OPP50_UV),
 148         /* IVA OPP2 - OPP100 */
 149         OPP_INITIALIZER("iva", true, 266100000, OMAP4460_VDD_IVA_OPP100_UV),
 150         /*
 151          * IVA OPP3 - OPP-Turbo + Disabled as the reference schematics
 152          * recommends Phoenix VCORE2 which can supply only 600mA - so the ones
 153          * above this OPP frequency, even though OMAP is capable, should be
 154          * enabled by board file which is sure of the chip power capability
 155          */
 156         OPP_INITIALIZER("iva", false, 332000000, OMAP4460_VDD_IVA_OPPTURBO_UV),
 157         /* IVA OPP4 - OPP-Nitro */
 158         OPP_INITIALIZER("iva", false, 430000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
 159         /* IVA OPP5 - OPP-Nitro SpeedBin*/
 160         OPP_INITIALIZER("iva", false, 500000000, OMAP4460_VDD_IVA_OPPNITRO_UV),
 161
 162         /* TODO: add DSP, aess, fdif, gpu */
 163 };
 164
 165 /**
 166  * omap4_opp_init() - initialize omap4 opp table
 167  */
 168 int __init omap4_opp_init(void)
 169 {
 170         int r = -ENODEV;
 171
 172         if (cpu_is_omap443x())
 173                 r = omap_init_opp_table(omap443x_opp_def_list,
 174                         ARRAY_SIZE(omap443x_opp_def_list));
 175         else if (cpu_is_omap446x())
 176                 r = omap_init_opp_table(omap446x_opp_def_list,
 177                         ARRAY_SIZE(omap446x_opp_def_list));
 178         return r;
 179 }
 180 device_initcall(omap4_opp_init);