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ARM: OMAP5: voltagedomain data: Add OMAP5 voltage domain data

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Add voltagedomain related data for OMAP54XX SOCs. OMAP4 OPP data is
used for now. OMAP5 OPP data will be added as part of OMAP5 DVFS
support.

Cc: Kevin Hilman <khilman@deeprootsystems.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>
This commit is contained in:
Santosh Shilimkar 2013-05-29 12:38:11 -04:00 committed by Paul Walmsley
parent 08e4830d71
commit 20d49e9ccf
2 changed files with 103 additions and 0 deletions
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1
arch/arm/mach-omap2/voltage.h
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@ -171,6 +171,7 @@ extern void omap2xxx_voltagedomains_init(void);
extern void omap3xxx_voltagedomains_init(void);
extern void am33xx_voltagedomains_init(void);
extern void omap44xx_voltagedomains_init(void);
extern void omap54xx_voltagedomains_init(void);
struct voltagedomain *voltdm_lookup(const char *name);
void voltdm_init(struct voltagedomain **voltdm_list);

102
arch/arm/mach-omap2/voltagedomains54xx_data.c Normal file
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@ -0,0 +1,102 @@
/*
* OMAP5 Voltage Management Routines
*
* Based on voltagedomains44xx_data.c
*
* Copyright (C) 2013 Texas Instruments Incorporated - http://www.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 "prm54xx.h"
#include "voltage.h"
#include "omap_opp_data.h"
#include "vc.h"
#include "vp.h"
static const struct omap_vfsm_instance omap5_vdd_mpu_vfsm = {
.voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MPU_RET_SLEEP_OFFSET,
};
static const struct omap_vfsm_instance omap5_vdd_mm_vfsm = {
.voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_MM_RET_SLEEP_OFFSET,
};
static const struct omap_vfsm_instance omap5_vdd_core_vfsm = {
.voltsetup_reg = OMAP54XX_PRM_VOLTSETUP_CORE_RET_SLEEP_OFFSET,
};
static struct voltagedomain omap5_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 = &omap5_vdd_mpu_vfsm,
.vp = &omap4_vp_mpu,
};
static struct voltagedomain omap5_voltdm_mm = {
.name = "mm",
.scalable = true,
.read = omap4_prm_vcvp_read,
.write = omap4_prm_vcvp_write,
.rmw = omap4_prm_vcvp_rmw,
.vc = &omap4_vc_iva,
.vfsm = &omap5_vdd_mm_vfsm,
.vp = &omap4_vp_iva,
};
static struct voltagedomain omap5_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 = &omap5_vdd_core_vfsm,
.vp = &omap4_vp_core,
};
static struct voltagedomain omap5_voltdm_wkup = {
.name = "wkup",
};
static struct voltagedomain *voltagedomains_omap5[] __initdata = {
&omap5_voltdm_mpu,
&omap5_voltdm_mm,
&omap5_voltdm_core,
&omap5_voltdm_wkup,
NULL,
};
static const char *sys_clk_name __initdata = "sys_clkin";
void __init omap54xx_voltagedomains_init(void)
{
struct voltagedomain *voltdm;
int i;
/*
* XXX Will depend on the process, validation, and binning
* for the currently-running IC. Use OMAP4 data for time being.
*/
#ifdef CONFIG_PM_OPP
omap5_voltdm_mpu.volt_data = omap446x_vdd_mpu_volt_data;
omap5_voltdm_mm.volt_data = omap446x_vdd_iva_volt_data;
omap5_voltdm_core.volt_data = omap446x_vdd_core_volt_data;
#endif
for (i = 0; voltdm = voltagedomains_omap5[i], voltdm; i++)
voltdm->sys_clk.name = sys_clk_name;
voltdm_init(voltagedomains_omap5);
};