arch/arm/mach-omap2/voltagedomains54xx_data.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * OMAP5 Voltage Management Routines
   4  *
   5  * Based on voltagedomains44xx_data.c
   6  *
   7  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
   8  */
   9 #include <linux/kernel.h>
  10 #include <linux/err.h>
  11 #include <linux/init.h>
  12
  13 #include "common.h"
  14
  15 #include "prm54xx.h"
  16 #include "voltage.h"
  17 #include "omap_opp_data.h"
  18 #include "vc.h"
  19 #include "vp.h"
  20
  21 static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = {
  22         .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
  23 };
  24
  25 static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = {
  26         .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET,
  27 };
  28
  29 static const struct omap_vfsm_instance omap5_vdd_core_vfsm = {
  30         .voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
  31 };
  32
  33 static struct voltagedomain omap5_voltdm_mpu = {
  34         .name = "mpu",
  35         .scalable = true,
  36         .read = omap4_prm_vcvp_read,
  37         .write = omap4_prm_vcvp_write,
  38         .rmw = omap4_prm_vcvp_rmw,
  39         .vc = &omap4_vc_mpu,
  40         .vfsm = &omap5_vdd_mpu_vfsm,
  41         .vp = &omap4_vp_mpu,
  42 };
  43
  44 static struct voltagedomain omap5_voltdm_mm = {
  45         .name = "mm",
  46         .scalable = true,
  47         .read = omap4_prm_vcvp_read,
  48         .write = omap4_prm_vcvp_write,
  49         .rmw = omap4_prm_vcvp_rmw,
  50         .vc = &omap4_vc_iva,
  51         .vfsm = &omap5_vdd_mm_vfsm,
  52         .vp = &omap4_vp_iva,
  53 };
  54
  55 static struct voltagedomain omap5_voltdm_core = {
  56         .name = "core",
  57         .scalable = true,
  58         .read = omap4_prm_vcvp_read,
  59         .write = omap4_prm_vcvp_write,
  60         .rmw = omap4_prm_vcvp_rmw,
  61         .vc = &omap4_vc_core,
  62         .vfsm = &omap5_vdd_core_vfsm,
  63         .vp = &omap4_vp_core,
  64 };
  65
  66 static struct voltagedomain omap5_voltdm_wkup = {
  67         .name = "wkup",
  68 };
  69
  70 static struct voltagedomain *voltagedomains_omap5[] __initdata = {
  71         &omap5_voltdm_mpu,
  72         &omap5_voltdm_mm,
  73         &omap5_voltdm_core,
  74         &omap5_voltdm_wkup,
  75         NULL,
  76 };
  77
  78 static const char *const sys_clk_name __initconst = "sys_clkin";
  79
  80 void __init omap54xx_voltagedomains_init(void)
  81 {
  82         struct voltagedomain *voltdm;
  83         int i;
  84
  85         for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++)
  86                 voltdm->sys_clk.name = sys_clk_name;
  87
  88         voltdm_init(voltagedomains_omap5);
  89 };