arch/arm/mach-omap2/vc3xxx_data.c

   1 /*
   2  * OMAP3 Voltage Controller (VC) data
   3  *
   4  * Copyright (C) 2007, 2010 Texas Instruments, Inc.
   5  * Rajendra Nayak <rnayak@ti.com>
   6  * Lesly A M <x0080970@ti.com>
   7  * Thara Gopinath <thara@ti.com>
   8  *
   9  * Copyright (C) 2008, 2011 Nokia Corporation
  10  * Kalle Jokiniemi
  11  * Paul Walmsley
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License version 2 as
  15  * published by the Free Software Foundation.
  16  */
  17 #include <linux/io.h>
  18 #include <linux/err.h>
  19 #include <linux/init.h>
  20
  21 #include "common.h"
  22
  23 #include "prm-regbits-34xx.h"
  24 #include "voltage.h"
  25
  26 #include "vc.h"
  27
  28 /*
  29  * VC data common to 34xx/36xx chips
  30  * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
  31  */
  32 static struct omap_vc_common omap3_vc_common = {
  33         .bypass_val_reg  = OMAP3_PRM_VC_BYPASS_VAL_OFFSET,
  34         .data_shift      = OMAP3430_DATA_SHIFT,
  35         .slaveaddr_shift = OMAP3430_SLAVEADDR_SHIFT,
  36         .regaddr_shift   = OMAP3430_REGADDR_SHIFT,
  37         .valid           = OMAP3430_VALID_MASK,
  38         .cmd_on_shift    = OMAP3430_VC_CMD_ON_SHIFT,
  39         .cmd_on_mask     = OMAP3430_VC_CMD_ON_MASK,
  40         .cmd_onlp_shift  = OMAP3430_VC_CMD_ONLP_SHIFT,
  41         .cmd_ret_shift   = OMAP3430_VC_CMD_RET_SHIFT,
  42         .cmd_off_shift   = OMAP3430_VC_CMD_OFF_SHIFT,
  43         .i2c_cfg_clear_mask = OMAP3430_SREN_MASK | OMAP3430_HSEN_MASK,
  44         .i2c_cfg_hsen_mask = OMAP3430_HSEN_MASK,
  45         .i2c_cfg_reg     = OMAP3_PRM_VC_I2C_CFG_OFFSET,
  46         .i2c_mcode_mask  = OMAP3430_MCODE_MASK,
  47 };
  48
  49 struct omap_vc_channel omap3_vc_mpu = {
  50         .flags = OMAP_VC_CHANNEL_DEFAULT,
  51         .common = &omap3_vc_common,
  52         .smps_sa_reg     = OMAP3_PRM_VC_SMPS_SA_OFFSET,
  53         .smps_volra_reg  = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,
  54         .smps_cmdra_reg  = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET,
  55         .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET,
  56         .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_0_OFFSET,
  57         .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA0_MASK,
  58         .smps_volra_mask = OMAP3430_VOLRA0_MASK,
  59         .smps_cmdra_mask = OMAP3430_CMDRA0_MASK,
  60         .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA0_SHIFT,
  61 };
  62
  63 struct omap_vc_channel omap3_vc_core = {
  64         .common = &omap3_vc_common,
  65         .smps_sa_reg     = OMAP3_PRM_VC_SMPS_SA_OFFSET,
  66         .smps_volra_reg  = OMAP3_PRM_VC_SMPS_VOL_RA_OFFSET,
  67         .smps_cmdra_reg  = OMAP3_PRM_VC_SMPS_CMD_RA_OFFSET,
  68         .cfg_channel_reg = OMAP3_PRM_VC_CH_CONF_OFFSET,
  69         .cmdval_reg = OMAP3_PRM_VC_CMD_VAL_1_OFFSET,
  70         .smps_sa_mask = OMAP3430_PRM_VC_SMPS_SA_SA1_MASK,
  71         .smps_volra_mask = OMAP3430_VOLRA1_MASK,
  72         .smps_cmdra_mask = OMAP3430_CMDRA1_MASK,
  73         .cfg_channel_sa_shift = OMAP3430_PRM_VC_SMPS_SA_SA1_SHIFT,
  74 };
  75
  76 /*
  77  * Voltage levels for different operating modes: on, sleep, retention and off
  78  */
  79 #define OMAP3_ON_VOLTAGE_UV             1200000
  80 #define OMAP3_ONLP_VOLTAGE_UV           1000000
  81 #define OMAP3_RET_VOLTAGE_UV            975000
  82 #define OMAP3_OFF_VOLTAGE_UV            600000
  83
  84 struct omap_vc_param omap3_mpu_vc_data = {
  85         .on             = OMAP3_ON_VOLTAGE_UV,
  86         .onlp           = OMAP3_ONLP_VOLTAGE_UV,
  87         .ret            = OMAP3_RET_VOLTAGE_UV,
  88         .off            = OMAP3_OFF_VOLTAGE_UV,
  89 };
  90
  91 struct omap_vc_param omap3_core_vc_data = {
  92         .on             = OMAP3_ON_VOLTAGE_UV,
  93         .onlp           = OMAP3_ONLP_VOLTAGE_UV,
  94         .ret            = OMAP3_RET_VOLTAGE_UV,
  95         .off            = OMAP3_OFF_VOLTAGE_UV,
  96 };