arch/arm/mach-omap2/voltagedomains54xx_data.c

   1 /*
   2  * OMAP5 Voltage Management Routines
   3  *
   4  * Based on voltagedomains44xx_data.c
   5  *
   6  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12 #include <linux/kernel.h>
  13 #include <linux/err.h>
  14 #include <linux/init.h>
  15
  16 #include "common.h"
  17
  18 #include "prm54xx.h"
  19 #include "voltage.h"
  20 #include "omap_opp_data.h"
  21 #include "vc.h"
  22 #include "vp.h"
  23
  24 static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = {
  25         .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
  26 };
  27
  28 static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = {
  29         .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET,
  30 };
  31
  32 static const struct omap_vfsm_instance omap5_vdd_core_vfsm = {
  33         .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
  34 };
  35
  36 static struct voltagedomain omap5_voltdm_mpu = {
  37         .name = "mpu",
  38         .scalable = true,
  39         .read = omap4_prm_vcvp_read,
  40         .write = omap4_prm_vcvp_write,
  41         .rmw = omap4_prm_vcvp_rmw,
  42         .vc = &omap4_vc_mpu,
  43         .vfsm = &omap5_vdd_mpu_vfsm,
  44         .vp = &omap4_vp_mpu,
  45 };
  46
  47 static struct voltagedomain omap5_voltdm_mm = {
  48         .name = "mm",
  49         .scalable = true,
  50         .read = omap4_prm_vcvp_read,
  51         .write = omap4_prm_vcvp_write,
  52         .rmw = omap4_prm_vcvp_rmw,
  53         .vc = &omap4_vc_iva,
  54         .vfsm = &omap5_vdd_mm_vfsm,
  55         .vp = &omap4_vp_iva,
  56 };
  57
  58 static struct voltagedomain omap5_voltdm_core = {
  59         .name = "core",
  60         .scalable = true,
  61         .read = omap4_prm_vcvp_read,
  62         .write = omap4_prm_vcvp_write,
  63         .rmw = omap4_prm_vcvp_rmw,
  64         .vc = &omap4_vc_core,
  65         .vfsm = &omap5_vdd_core_vfsm,
  66         .vp = &omap4_vp_core,
  67 };
  68
  69 static struct voltagedomain omap5_voltdm_wkup = {
  70         .name = "wkup",
  71 };
  72
  73 static struct voltagedomain *voltagedomains_omap5[] __initdata = {
  74         &omap5_voltdm_mpu,
  75         &omap5_voltdm_mm,
  76         &omap5_voltdm_core,
  77         &omap5_voltdm_wkup,
  78         NULL,
  79 };
  80
  81 static const char *const sys_clk_name __initconst = "sys_clkin";
  82
  83 void __init omap54xx_voltagedomains_init(void)
  84 {
  85         struct voltagedomain *voltdm;
  86         int i;
  87
  88         for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++)
  89                 voltdm->sys_clk.name = sys_clk_name;
  90
  91         voltdm_init(voltagedomains_omap5);
  92 };