blob: 57db2038b23c59c307e480a4872ee6ebebec30d3 [file] [log] [blame]
/*
* OMAP3 voltage domain data
*
* Copyright (C) 2007, 2010 Texas Instruments, Inc.
* Rajendra Nayak <rnayak@ti.com>
* Lesly A M <x0080970@ti.com>
* Thara Gopinath <thara@ti.com>
*
* Copyright (C) 2008, 2011 Nokia Corporation
* Kalle Jokiniemi
* Paul Walmsley
*
* 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 <plat/cpu.h>
#include "prm-regbits-34xx.h"
#include "omap_opp_data.h"
#include "voltage.h"
#include "vc.h"
#include "vp.h"
/*
* VDD data
*/
/* OMAP3-common voltagedomain data */
static struct voltagedomain omap3_voltdm_wkup = {
.name = "wakeup",
};
/* 34xx/36xx voltagedomain data */
static const struct omap_vfsm_instance omap3_vdd1_vfsm = {
.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
.voltsetup_mask = OMAP3430_SETUP_TIME1_MASK,
};
static const struct omap_vfsm_instance omap3_vdd2_vfsm = {
.voltsetup_reg = OMAP3_PRM_VOLTSETUP1_OFFSET,
.voltsetup_mask = OMAP3430_SETUP_TIME2_MASK,
};
static struct voltagedomain omap3_voltdm_mpu = {
.name = "mpu_iva",
.scalable = true,
.read = omap3_prm_vcvp_read,
.write = omap3_prm_vcvp_write,
.rmw = omap3_prm_vcvp_rmw,
.vc = &omap3_vc_mpu,
.vfsm = &omap3_vdd1_vfsm,
.vp = &omap3_vp_mpu,
};
static struct voltagedomain omap3_voltdm_core = {
.name = "core",
.scalable = true,
.read = omap3_prm_vcvp_read,
.write = omap3_prm_vcvp_write,
.rmw = omap3_prm_vcvp_rmw,
.vc = &omap3_vc_core,
.vfsm = &omap3_vdd2_vfsm,
.vp = &omap3_vp_core,
};
static struct voltagedomain *voltagedomains_omap3[] __initdata = {
&omap3_voltdm_mpu,
&omap3_voltdm_core,
&omap3_voltdm_wkup,
NULL,
};
/* AM35xx voltagedomain data */
static struct voltagedomain am35xx_voltdm_mpu = {
.name = "mpu_iva",
};
static struct voltagedomain am35xx_voltdm_core = {
.name = "core",
};
static struct voltagedomain *voltagedomains_am35xx[] __initdata = {
&am35xx_voltdm_mpu,
&am35xx_voltdm_core,
&omap3_voltdm_wkup,
NULL,
};
static const char *sys_clk_name __initdata = "sys_ck";
void __init omap3xxx_voltagedomains_init(void)
{
struct voltagedomain *voltdm;
struct voltagedomain **voltdms;
int i;
/*
* XXX Will depend on the process, validation, and binning
* for the currently-running IC
*/
#ifdef CONFIG_PM_OPP
if (cpu_is_omap3630()) {
omap3_voltdm_mpu.volt_data = omap36xx_vddmpu_volt_data;
omap3_voltdm_core.volt_data = omap36xx_vddcore_volt_data;
} else {
omap3_voltdm_mpu.volt_data = omap34xx_vddmpu_volt_data;
omap3_voltdm_core.volt_data = omap34xx_vddcore_volt_data;
}
#endif
if (cpu_is_omap3517() || cpu_is_omap3505())
voltdms = voltagedomains_am35xx;
else
voltdms = voltagedomains_omap3;
for (i = 0; voltdm = voltdms[i], voltdm; i++)
voltdm->sys_clk.name = sys_clk_name;
voltdm_init(voltdms);
};