kernel/arch/arm/mach-omap2/vc44xx_data.c

   1 /*
   2  * OMAP4 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 "prm44xx.h"
  24 #include "prm-regbits-44xx.h"
  25 #include "voltage.h"
  26
  27 #include "vc.h"
  28
  29 /*
  30  * VC data common to 44xx chips
  31  * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
  32  */
  33 static const struct omap_vc_common omap4_vc_common = {
  34         .bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET,
  35         .data_shift = OMAP4430_DATA_SHIFT,
  36         .slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT,
  37         .regaddr_shift = OMAP4430_REGADDR_SHIFT,
  38         .valid = OMAP4430_VALID_MASK,
  39         .cmd_on_shift = OMAP4430_ON_SHIFT,
  40         .cmd_on_mask = OMAP4430_ON_MASK,
  41         .cmd_onlp_shift = OMAP4430_ONLP_SHIFT,
  42         .cmd_ret_shift = OMAP4430_RET_SHIFT,
  43         .cmd_off_shift = OMAP4430_OFF_SHIFT,
  44         .i2c_cfg_reg = OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET,
  45         .i2c_cfg_clear_mask = OMAP4430_SRMODEEN_MASK | OMAP4430_HSMODEEN_MASK,
  46         .i2c_cfg_hsen_mask = OMAP4430_HSMODEEN_MASK,
  47         .i2c_mcode_mask  = OMAP4430_HSMCODE_MASK,
  48 };
  49
  50 /* VC instance data for each controllable voltage line */
  51 struct omap_vc_channel omap4_vc_mpu = {
  52         .flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT,
  53         .common = &omap4_vc_common,
  54         .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  55         .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  56         .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  57         .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  58         .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET,
  59         .smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK,
  60         .smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK,
  61         .smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK,
  62         .cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT,
  63 };
  64
  65 struct omap_vc_channel omap4_vc_iva = {
  66         .common = &omap4_vc_common,
  67         .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  68         .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  69         .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  70         .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  71         .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET,
  72         .smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK,
  73         .smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK,
  74         .smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK,
  75         .cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT,
  76 };
  77
  78 struct omap_vc_channel omap4_vc_core = {
  79         .common = &omap4_vc_common,
  80         .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  81         .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  82         .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  83         .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  84         .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET,
  85         .smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK,
  86         .smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK,
  87         .smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK,
  88         .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT,
  89 };
  90
  91 /*
  92  * Voltage levels for different operating modes: on, sleep, retention and off
  93  */
  94 #define OMAP4_ON_VOLTAGE_UV                     1375000
  95 #define OMAP4_ONLP_VOLTAGE_UV                   1375000
  96 #define OMAP4_RET_VOLTAGE_UV                    837500
  97 #define OMAP4_OFF_VOLTAGE_UV                    0
  98
  99 struct omap_vc_param omap4_mpu_vc_data = {
 100         .on                     = OMAP4_ON_VOLTAGE_UV,
 101         .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 102         .ret                    = OMAP4_RET_VOLTAGE_UV,
 103         .off                    = OMAP4_OFF_VOLTAGE_UV,
 104 };
 105
 106 struct omap_vc_param omap4_iva_vc_data = {
 107         .on                     = OMAP4_ON_VOLTAGE_UV,
 108         .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 109         .ret                    = OMAP4_RET_VOLTAGE_UV,
 110         .off                    = OMAP4_OFF_VOLTAGE_UV,
 111 };
 112
 113 struct omap_vc_param omap4_core_vc_data = {
 114         .on                     = OMAP4_ON_VOLTAGE_UV,
 115         .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 116         .ret                    = OMAP4_RET_VOLTAGE_UV,
 117         .off                    = OMAP4_OFF_VOLTAGE_UV,
 118 };