LXR linux/arch/arm/mach-omap2/vc44xx

   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 */
  33static 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_hsen_mask = OMAP4430_HSMODEEN_MASK,
  46        .i2c_mcode_mask  = OMAP4430_HSMCODE_MASK,
  47};
  48
  49/* VC instance data for each controllable voltage line */
  50struct omap_vc_channel omap4_vc_mpu = {
  51        .flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT,
  52        .common = &omap4_vc_common,
  53        .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  54        .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  55        .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  56        .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  57        .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET,
  58        .smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK,
  59        .smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK,
  60        .smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK,
  61        .cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT,
  62};
  63
  64struct omap_vc_channel omap4_vc_iva = {
  65        .common = &omap4_vc_common,
  66        .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  67        .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  68        .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  69        .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  70        .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET,
  71        .smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK,
  72        .smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK,
  73        .smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK,
  74        .cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT,
  75};
  76
  77struct omap_vc_channel omap4_vc_core = {
  78        .common = &omap4_vc_common,
  79        .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  80        .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  81        .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  82        .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  83        .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET,
  84        .smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK,
  85        .smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK,
  86        .smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK,
  87        .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT,
  88};
  89
  90/*
  91 * Voltage levels for different operating modes: on, sleep, retention and off
  92 */
  93#define OMAP4_ON_VOLTAGE_UV                     1375000
  94#define OMAP4_ONLP_VOLTAGE_UV                   1375000
  95#define OMAP4_RET_VOLTAGE_UV                    837500
  96#define OMAP4_OFF_VOLTAGE_UV                    0
  97
  98struct omap_vc_param omap4_mpu_vc_data = {
  99        .on                     = OMAP4_ON_VOLTAGE_UV,
 100        .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 101        .ret                    = OMAP4_RET_VOLTAGE_UV,
 102        .off                    = OMAP4_OFF_VOLTAGE_UV,
 103};
 104
 105struct omap_vc_param omap4_iva_vc_data = {
 106        .on                     = OMAP4_ON_VOLTAGE_UV,
 107        .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 108        .ret                    = OMAP4_RET_VOLTAGE_UV,
 109        .off                    = OMAP4_OFF_VOLTAGE_UV,
 110};
 111
 112struct omap_vc_param omap4_core_vc_data = {
 113        .on                     = OMAP4_ON_VOLTAGE_UV,
 114        .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 115        .ret                    = OMAP4_RET_VOLTAGE_UV,
 116        .off                    = OMAP4_OFF_VOLTAGE_UV,
 117};
 118