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 omap4_vdd_mpu_vfsm = {
  36         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
  37 };
  38
  39 static struct omap_vdd_info omap4_vdd_mpu_info;
  40
  41 static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = {
  42         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
  43 };
  44
  45 static struct omap_vdd_info omap4_vdd_iva_info;
  46
  47 static const struct omap_vfsm_instance omap4_vdd_core_vfsm = {
  48         .voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
  49 };
  50
  51 static struct omap_vdd_info omap4_vdd_core_info;
  52
  53 static struct voltagedomain omap4_voltdm_mpu = {
  54         .name = "mpu",
  55         .scalable = true,
  56         .read = omap4_prm_vcvp_read,
  57         .write = omap4_prm_vcvp_write,
  58         .rmw = omap4_prm_vcvp_rmw,
  59         .vc = &omap4_vc_mpu,
  60         .vfsm = &omap4_vdd_mpu_vfsm,
  61         .vp = &omap4_vp_mpu,
  62         .vdd = &omap4_vdd_mpu_info,
  63 };
  64
  65 static struct voltagedomain omap4_voltdm_iva = {
  66         .name = "iva",
  67         .scalable = true,
  68         .read = omap4_prm_vcvp_read,
  69         .write = omap4_prm_vcvp_write,
  70         .rmw = omap4_prm_vcvp_rmw,
  71         .vc = &omap4_vc_iva,
  72         .vfsm = &omap4_vdd_iva_vfsm,
  73         .vp = &omap4_vp_iva,
  74         .vdd = &omap4_vdd_iva_info,
  75 };
  76
  77 static struct voltagedomain omap4_voltdm_core = {
  78         .name = "core",
  79         .scalable = true,
  80         .read = omap4_prm_vcvp_read,
  81         .write = omap4_prm_vcvp_write,
  82         .rmw = omap4_prm_vcvp_rmw,
  83         .vc = &omap4_vc_core,
  84         .vfsm = &omap4_vdd_core_vfsm,
  85         .vp = &omap4_vp_core,
  86         .vdd = &omap4_vdd_core_info,
  87 };
  88
  89 static struct voltagedomain omap4_voltdm_wkup = {
  90         .name = "wakeup",
  91 };
  92
  93 static struct voltagedomain *voltagedomains_omap4[] __initdata = {
  94         &omap4_voltdm_mpu,
  95         &omap4_voltdm_iva,
  96         &omap4_voltdm_core,
  97         &omap4_voltdm_wkup,
  98         NULL,
  99 };
 100
 101 void __init omap44xx_voltagedomains_init(void)
 102 {
 103         /*
 104          * XXX Will depend on the process, validation, and binning
 105          * for the currently-running IC
 106          */
 107         omap4_vdd_mpu_info.volt_data = omap44xx_vdd_mpu_volt_data;
 108         omap4_vdd_iva_info.volt_data = omap44xx_vdd_iva_volt_data;
 109         omap4_vdd_core_info.volt_data = omap44xx_vdd_core_volt_data;
 110
 111         voltdm_init(voltagedomains_omap4);
 112 };