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/*
* OMAP3/OMAP4 Voltage Management Routines
*
* Author: Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2007 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
*
* Copyright (C) 2008 Nokia Corporation
* Kalle Jokiniemi
*
* Copyright (C) 2010 Texas Instruments, Inc.
* Thara Gopinath <thara@ti.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/init.h>
#include "common.h"
#include "soc.h"
#include "prm-regbits-44xx.h"
#include "prm44xx.h"
#include "prcm44xx.h"
#include "prminst44xx.h"
#include "voltage.h"
#include "omap_opp_data.h"
#include "vc.h"
#include "vp.h"
static const struct omap_vfsm_instance omap4_vdd_mpu_vfsm = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_MPU_OFF_OFFSET,
};
static const struct omap_vfsm_instance omap4_vdd_iva_vfsm = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_IVA_RET_SLEEP_OFFSET,
.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_IVA_OFF_OFFSET,
};
static const struct omap_vfsm_instance omap4_vdd_core_vfsm = {
.voltsetup_reg = OMAP4_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
.voltsetup_off_reg = OMAP4_PRM_VOLTSETUP_CORE_OFF_OFFSET,
};
static struct voltagedomain omap4_voltdm_mpu = {
.name = "mpu",
.scalable = true,
.read = omap4_prm_vcvp_read,
.write = omap4_prm_vcvp_write,
.rmw = omap4_prm_vcvp_rmw,
.vc = &omap4_vc_mpu,
.vfsm = &omap4_vdd_mpu_vfsm,
.vp = &omap4_vp_mpu,
};
static struct voltagedomain omap4_voltdm_iva = {
.name = "iva",
.scalable = true,
.read = omap4_prm_vcvp_read,
.write = omap4_prm_vcvp_write,
.rmw = omap4_prm_vcvp_rmw,
.vc = &omap4_vc_iva,
.vfsm = &omap4_vdd_iva_vfsm,
.vp = &omap4_vp_iva,
};
static struct voltagedomain omap4_voltdm_core = {
.name = "core",
.scalable = true,
.read = omap4_prm_vcvp_read,
.write = omap4_prm_vcvp_write,
.rmw = omap4_prm_vcvp_rmw,
.vc = &omap4_vc_core,
.vfsm = &omap4_vdd_core_vfsm,
.vp = &omap4_vp_core,
};
static struct voltagedomain omap4_voltdm_wkup = {
.name = "wakeup",
};
static struct voltagedomain *voltagedomains_omap4[] __initdata = {
&omap4_voltdm_mpu,
&omap4_voltdm_iva,
&omap4_voltdm_core,
&omap4_voltdm_wkup,
NULL,
};
static const char *const sys_clk_name __initconst = "sys_clkin_ck";
void __init omap44xx_voltagedomains_init(void)
{
struct voltagedomain *voltdm;
int i;
/*
* XXX Will depend on the process, validation, and binning
* for the currently-running IC
*/
#ifdef CONFIG_PM_OPP
if (cpu_is_omap443x()) {
omap4_voltdm_mpu.volt_data = omap443x_vdd_mpu_volt_data;
omap4_voltdm_iva.volt_data = omap443x_vdd_iva_volt_data;
omap4_voltdm_core.volt_data = omap443x_vdd_core_volt_data;
} else if (cpu_is_omap446x()) {
omap4_voltdm_mpu.volt_data = omap446x_vdd_mpu_volt_data;
omap4_voltdm_iva.volt_data = omap446x_vdd_iva_volt_data;
omap4_voltdm_core.volt_data = omap446x_vdd_core_volt_data;
}
#endif
omap4_voltdm_mpu.vp_param = &omap4_mpu_vp_data;
omap4_voltdm_iva.vp_param = &omap4_iva_vp_data;
omap4_voltdm_core.vp_param = &omap4_core_vp_data;
omap4_voltdm_mpu.vc_param = &omap4_mpu_vc_data;
omap4_voltdm_iva.vc_param = &omap4_iva_vc_data;
omap4_voltdm_core.vc_param = &omap4_core_vc_data;
for (i = 0; voltdm = voltagedomains_omap4[i], voltdm; i++)
voltdm->sys_clk.name = sys_clk_name;
voltdm_init(voltagedomains_omap4);
};
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