arch/arm/mach-omap2/voltagedomains44xx_data.c

   1 /*
   2  * OMAP3/OMAP4 Voltage Management Routines
   3  *
   4  * Author: Thara Gopinath       <thara@ti.com>
   5  *
   6  * Copyright (C) 2007 Texas Instruments, Inc.
   7  * Rajendra Nayak <rnayak@ti.com>
   8  * Lesly A M <x0080970@ti.com>
   9  *
  10  * Copyright (C) 2008 Nokia Corporation
  11  * Kalle Jokiniemi
  12  *
  13  * Copyright (C) 2010 Texas Instruments, Inc.
  14  * Thara Gopinath <thara@ti.com>
  15  *
  16  * This program is free software; you can redistribute it and/or modify
  17  * it under the terms of the GNU General Public License version 2 as
  18  * published by the Free Software Foundation.
  19  */
  20 #include <linux/kernel.h>
  21 #include <linux/err.h>
  22 #include <linux/init.h>
  23
  24 #include <plat/common.h>
  25
  26 #include "prm-regbits-44xx.h"
  27 #include "prm44xx.h"
  28 #include "prcm44xx.h"
  29 #include "prminst44xx.h"
  30 #include "voltage.h"
  31 #include "omap_opp_data.h"
  32 #include "vc.h"
  33 #include "vp.h"
  34
  35 static const struct omap_vfsm_instance_data omap4_vdd_mpu_vfsm_data = {
  36         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
  37 };
  38
  39 static struct omap_vdd_info omap4_vdd_mpu_info = {
  40         .vp_data = &omap4_vp_mpu_data,
  41         .vfsm = &omap4_vdd_mpu_vfsm_data,
  42 };
  43
  44 static const struct omap_vfsm_instance_data omap4_vdd_iva_vfsm_data = {
  45         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
  46 };
  47
  48 static struct omap_vdd_info omap4_vdd_iva_info = {
  49         .vp_data = &omap4_vp_iva_data,
  50         .vfsm = &omap4_vdd_iva_vfsm_data,
  51 };
  52
  53 static const struct omap_vfsm_instance_data omap4_vdd_core_vfsm_data = {
  54         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
  55 };
  56
  57 static struct omap_vdd_info omap4_vdd_core_info = {
  58         .vp_data = &omap4_vp_core_data,
  59         .vfsm = &omap4_vdd_core_vfsm_data,
  60 };
  61
  62 static struct voltagedomain omap4_voltdm_mpu = {
  63         .name = "mpu",
  64         .scalable = true,
  65         .read = omap4_prm_vcvp_read,
  66         .write = omap4_prm_vcvp_write,
  67         .rmw = omap4_prm_vcvp_rmw,
  68         .vc = &omap4_vc_mpu,
  69         .vdd = &omap4_vdd_mpu_info,
  70 };
  71
  72 static struct voltagedomain omap4_voltdm_iva = {
  73         .name = "iva",
  74         .scalable = true,
  75         .read = omap4_prm_vcvp_read,
  76         .write = omap4_prm_vcvp_write,
  77         .rmw = omap4_prm_vcvp_rmw,
  78         .vc = &omap4_vc_iva,
  79         .vdd = &omap4_vdd_iva_info,
  80 };
  81
  82 static struct voltagedomain omap4_voltdm_core = {
  83         .name = "core",
  84         .scalable = true,
  85         .read = omap4_prm_vcvp_read,
  86         .write = omap4_prm_vcvp_write,
  87         .rmw = omap4_prm_vcvp_rmw,
  88         .vc = &omap4_vc_core,
  89         .vdd = &omap4_vdd_core_info,
  90 };
  91
  92 static struct voltagedomain omap4_voltdm_wkup = {
  93         .name = "wakeup",
  94 };
  95
  96 static struct voltagedomain *voltagedomains_omap4[] __initdata = {
  97         &omap4_voltdm_mpu,
  98         &omap4_voltdm_iva,
  99         &omap4_voltdm_core,
 100         &omap4_voltdm_wkup,
 101         NULL,
 102 };
 103
 104 void __init omap44xx_voltagedomains_init(void)
 105 {
 106         /*
 107          * XXX Will depend on the process, validation, and binning
 108          * for the currently-running IC
 109          */
 110         omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
 111         omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
 112         omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
 113
 114         voltdm_init(voltagedomains_omap4);
 115 };