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

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * OMAP4 Voltage Controller (VC) data
   4  *
   5  * Copyright (C) 2007, 2010 Texas Instruments, Inc.
   6  * Rajendra Nayak <rnayak@ti.com>
   7  * Lesly A M <x0080970@ti.com>
   8  * Thara Gopinath <thara@ti.com>
   9  *
  10  * Copyright (C) 2008, 2011 Nokia Corporation
  11  * Kalle Jokiniemi
  12  * Paul Walmsley
  13  */
  14 #include <linux/io.h>
  15 #include <linux/err.h>
  16 #include <linux/init.h>
  17 
  18 #include "common.h"
  19 
  20 #include "prm44xx.h"
  21 #include "prm-regbits-44xx.h"
  22 #include "voltage.h"
  23 
  24 #include "vc.h"
  25 
  26 /*
  27  * VC data common to 44xx chips
  28  * XXX This stuff presumably belongs in the vc3xxx.c or vc.c file.
  29  */
  30 static const struct omap_vc_common omap4_vc_common = {
  31         .bypass_val_reg = OMAP4_PRM_VC_VAL_BYPASS_OFFSET,
  32         .data_shift = OMAP4430_DATA_SHIFT,
  33         .slaveaddr_shift = OMAP4430_SLAVEADDR_SHIFT,
  34         .regaddr_shift = OMAP4430_REGADDR_SHIFT,
  35         .valid = OMAP4430_VALID_MASK,
  36         .cmd_on_shift = OMAP4430_ON_SHIFT,
  37         .cmd_on_mask = OMAP4430_ON_MASK,
  38         .cmd_onlp_shift = OMAP4430_ONLP_SHIFT,
  39         .cmd_ret_shift = OMAP4430_RET_SHIFT,
  40         .cmd_off_shift = OMAP4430_OFF_SHIFT,
  41         .i2c_cfg_reg = OMAP4_PRM_VC_CFG_I2C_MODE_OFFSET,
  42         .i2c_cfg_clear_mask = OMAP4430_SRMODEEN_MASK | OMAP4430_HSMODEEN_MASK,
  43         .i2c_cfg_hsen_mask = OMAP4430_HSMODEEN_MASK,
  44         .i2c_mcode_mask  = OMAP4430_HSMCODE_MASK,
  45 };
  46 
  47 /* VC instance data for each controllable voltage line */
  48 struct omap_vc_channel omap4_vc_mpu = {
  49         .flags = OMAP_VC_CHANNEL_DEFAULT | OMAP_VC_CHANNEL_CFG_MUTANT,
  50         .common = &omap4_vc_common,
  51         .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  52         .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  53         .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  54         .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  55         .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_MPU_L_OFFSET,
  56         .smps_sa_mask = OMAP4430_SA_VDD_MPU_L_PRM_VC_SMPS_SA_MASK,
  57         .smps_volra_mask = OMAP4430_VOLRA_VDD_MPU_L_MASK,
  58         .smps_cmdra_mask = OMAP4430_CMDRA_VDD_MPU_L_MASK,
  59         .cfg_channel_sa_shift = OMAP4430_SA_VDD_MPU_L_SHIFT,
  60 };
  61 
  62 struct omap_vc_channel omap4_vc_iva = {
  63         .common = &omap4_vc_common,
  64         .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  65         .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  66         .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  67         .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  68         .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_IVA_L_OFFSET,
  69         .smps_sa_mask = OMAP4430_SA_VDD_IVA_L_PRM_VC_SMPS_SA_MASK,
  70         .smps_volra_mask = OMAP4430_VOLRA_VDD_IVA_L_MASK,
  71         .smps_cmdra_mask = OMAP4430_CMDRA_VDD_IVA_L_MASK,
  72         .cfg_channel_sa_shift = OMAP4430_SA_VDD_IVA_L_SHIFT,
  73 };
  74 
  75 struct omap_vc_channel omap4_vc_core = {
  76         .common = &omap4_vc_common,
  77         .smps_sa_reg = OMAP4_PRM_VC_SMPS_SA_OFFSET,
  78         .smps_volra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_VOL_OFFSET,
  79         .smps_cmdra_reg = OMAP4_PRM_VC_VAL_SMPS_RA_CMD_OFFSET,
  80         .cfg_channel_reg = OMAP4_PRM_VC_CFG_CHANNEL_OFFSET,
  81         .cmdval_reg = OMAP4_PRM_VC_VAL_CMD_VDD_CORE_L_OFFSET,
  82         .smps_sa_mask = OMAP4430_SA_VDD_CORE_L_0_6_MASK,
  83         .smps_volra_mask = OMAP4430_VOLRA_VDD_CORE_L_MASK,
  84         .smps_cmdra_mask = OMAP4430_CMDRA_VDD_CORE_L_MASK,
  85         .cfg_channel_sa_shift = OMAP4430_SA_VDD_CORE_L_SHIFT,
  86 };
  87 
  88 /*
  89  * Voltage levels for different operating modes: on, sleep, retention and off
  90  */
  91 #define OMAP4_ON_VOLTAGE_UV                     1375000
  92 #define OMAP4_ONLP_VOLTAGE_UV                   1375000
  93 #define OMAP4_RET_VOLTAGE_UV                    837500
  94 #define OMAP4_OFF_VOLTAGE_UV                    0
  95 
  96 struct omap_vc_param omap4_mpu_vc_data = {
  97         .on                     = OMAP4_ON_VOLTAGE_UV,
  98         .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
  99         .ret                    = OMAP4_RET_VOLTAGE_UV,
 100         .off                    = OMAP4_OFF_VOLTAGE_UV,
 101 };
 102 
 103 struct omap_vc_param omap4_iva_vc_data = {
 104         .on                     = OMAP4_ON_VOLTAGE_UV,
 105         .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 106         .ret                    = OMAP4_RET_VOLTAGE_UV,
 107         .off                    = OMAP4_OFF_VOLTAGE_UV,
 108 };
 109 
 110 struct omap_vc_param omap4_core_vc_data = {
 111         .on                     = OMAP4_ON_VOLTAGE_UV,
 112         .onlp                   = OMAP4_ONLP_VOLTAGE_UV,
 113         .ret                    = OMAP4_RET_VOLTAGE_UV,
 114         .off                    = OMAP4_OFF_VOLTAGE_UV,
 115 };