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 #include "pm.h"
  28
  29 /*
  30  * Structures containing OMAP4430 voltage supported and various
  31  * voltage dependent data for each VDD.
  32  */
  33
  34 #define OMAP4430_VDD_MPU_OPP50_UV               1025000
  35 #define OMAP4430_VDD_MPU_OPP100_UV              1200000
  36 #define OMAP4430_VDD_MPU_OPPTURBO_UV            1313000
  37 #define OMAP4430_VDD_MPU_OPPNITRO_UV            1375000
  38
  39 struct omap_volt_data omap44xx_vdd_mpu_volt_data[] = {
  40         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP50_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP50, 0xf4, 0x0c),
  41         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPP100_UV, OMAP44XX_CONTROL_FUSE_MPU_OPP100, 0xf9, 0x16),
  42         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPTURBO, 0xfa, 0x23),
  43         VOLT_DATA_DEFINE(OMAP4430_VDD_MPU_OPPNITRO_UV, OMAP44XX_CONTROL_FUSE_MPU_OPPNITRO, 0xfa, 0x27),
  44         VOLT_DATA_DEFINE(0, 0, 0, 0),
  45 };
  46
  47 #define OMAP4430_VDD_IVA_OPP50_UV               1013000
  48 #define OMAP4430_VDD_IVA_OPP100_UV              1188000
  49 #define OMAP4430_VDD_IVA_OPPTURBO_UV            1300000
  50
  51 struct omap_volt_data omap44xx_vdd_iva_volt_data[] = {
  52         VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP50_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP50, 0xf4, 0x0c),
  53         VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPP100_UV, OMAP44XX_CONTROL_FUSE_IVA_OPP100, 0xf9, 0x16),
  54         VOLT_DATA_DEFINE(OMAP4430_VDD_IVA_OPPTURBO_UV, OMAP44XX_CONTROL_FUSE_IVA_OPPTURBO, 0xfa, 0x23),
  55         VOLT_DATA_DEFINE(0, 0, 0, 0),
  56 };
  57
  58 #define OMAP4430_VDD_CORE_OPP50_UV              1025000
  59 #define OMAP4430_VDD_CORE_OPP100_UV             1200000
  60
  61 struct omap_volt_data omap44xx_vdd_core_volt_data[] = {
  62         VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP50_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP50, 0xf4, 0x0c),
  63         VOLT_DATA_DEFINE(OMAP4430_VDD_CORE_OPP100_UV, OMAP44XX_CONTROL_FUSE_CORE_OPP100, 0xf9, 0x16),
  64         VOLT_DATA_DEFINE(0, 0, 0, 0),
  65 };
  66
  67
  68 static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
  69         /* MPU OPP1 - OPP50 */
  70         OPP_INITIALIZER("mpu", true, 300000000, OMAP4430_VDD_MPU_OPP50_UV),
  71         /* MPU OPP2 - OPP100 */
  72         OPP_INITIALIZER("mpu", true, 600000000, OMAP4430_VDD_MPU_OPP100_UV),
  73         /* MPU OPP3 - OPP-Turbo */
  74         OPP_INITIALIZER("mpu", true, 800000000, OMAP4430_VDD_MPU_OPPTURBO_UV),
  75         /* MPU OPP4 - OPP-SB */
  76         OPP_INITIALIZER("mpu", true, 1008000000, OMAP4430_VDD_MPU_OPPNITRO_UV),
  77         /* L3 OPP1 - OPP50 */
  78         OPP_INITIALIZER("l3_main_1", true, 100000000, OMAP4430_VDD_CORE_OPP50_UV),
  79         /* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
  80         OPP_INITIALIZER("l3_main_1", true, 200000000, OMAP4430_VDD_CORE_OPP100_UV),
  81         /* IVA OPP1 - OPP50 */
  82         OPP_INITIALIZER("iva", true, 133000000, OMAP4430_VDD_IVA_OPP50_UV),
  83         /* IVA OPP2 - OPP100 */
  84         OPP_INITIALIZER("iva", true, 266100000, OMAP4430_VDD_IVA_OPP100_UV),
  85         /* IVA OPP3 - OPP-Turbo */
  86         OPP_INITIALIZER("iva", false, 332000000, OMAP4430_VDD_IVA_OPPTURBO_UV),
  87         /* TODO: add DSP, aess, fdif, gpu */
  88 };
  89
  90 /**
  91  * omap4_opp_init() - initialize omap4 opp table
  92  */
  93 int __init omap4_opp_init(void)
  94 {
  95         int r = -ENODEV;
  96
  97         if (!cpu_is_omap44xx())
  98                 return r;
  99
 100         r = omap_init_opp_table(omap44xx_opp_def_list,
 101                         ARRAY_SIZE(omap44xx_opp_def_list));
 102
 103         return r;
 104 }
 105 device_initcall(omap4_opp_init);