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omap4: opp: add OPP table data 

This patch adds OPP tables for OMAP4. New file has been added to keep
the OMAP4 opp tables and the registration of these tables with the
generic opp framework by OMAP SoC OPP interface.

Based on:
http://dev.omapzoom.org/?p=santosh/kernel-omap4-base.git;a=blob;f=arch/arm/mach-omap2/opp44xx_data.c;h=252e3d0cb6050a64f390b9311c1c4977d74f762a;hb=refs/heads/omap4_next

Signed-off-by: Thara Gopinath <thara@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
This commit is contained in:
Nishanth Menon 2010-12-09 09:13:47 -06:00 committed by Kevin Hilman
parent fd1478cd61
commit f5a6422d4e
4 changed files with 65 additions and 0 deletions
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2
arch/arm/mach-omap2/Kconfig
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@ -46,6 +46,8 @@ config ARCH_OMAP4
select ARM_GIC
select PL310_ERRATA_588369
select ARM_ERRATA_720789
select ARCH_HAS_OPP
select PM_OPP if PM
comment "OMAP Core Type"
depends on ARCH_OMAP2

1
arch/arm/mach-omap2/Makefile
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@ -53,6 +53,7 @@ obj-$(CONFIG_ARCH_OMAP2) += sdrc2xxx.o
ifeq ($(CONFIG_PM_OPP),y)
obj-y += opp.o
obj-$(CONFIG_ARCH_OMAP3) += opp3xxx_data.o
obj-$(CONFIG_ARCH_OMAP4) += opp4xxx_data.o
endif
# Power Management

57
arch/arm/mach-omap2/opp4xxx_data.c Normal file
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@ -0,0 +1,57 @@
/*
* OMAP4 OPP table definitions.
*
* Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
* Nishanth Menon
* Kevin Hilman
* Thara Gopinath
* Copyright (C) 2010 Nokia Corporation.
* Eduardo Valentin
*
* 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.
*
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
* kind, whether express or implied; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <plat/cpu.h>
#include "omap_opp_data.h"
static struct omap_opp_def __initdata omap44xx_opp_def_list[] = {
/* MPU OPP1 - OPP50 */
OPP_INITIALIZER("mpu", true, 300000000, 1100000),
/* MPU OPP2 - OPP100 */
OPP_INITIALIZER("mpu", true, 600000000, 1200000),
/* MPU OPP3 - OPP-Turbo */
OPP_INITIALIZER("mpu", false, 800000000, 1260000),
/* MPU OPP4 - OPP-SB */
OPP_INITIALIZER("mpu", false, 1008000000, 1350000),
/* L3 OPP1 - OPP50 */
OPP_INITIALIZER("l3_main_1", true, 100000000, 930000),
/* L3 OPP2 - OPP100, OPP-Turbo, OPP-SB */
OPP_INITIALIZER("l3_main_1", true, 200000000, 1100000),
/* TODO: add IVA, DSP, aess, fdif, gpu */
};
/**
* omap4_opp_init() - initialize omap4 opp table
*/
static int __init omap4_opp_init(void)
{
int r = -ENODEV;
if (!cpu_is_omap44xx())
return r;
r = omap_init_opp_table(omap44xx_opp_def_list,
ARRAY_SIZE(omap44xx_opp_def_list));
return r;
}
device_initcall(omap4_opp_init);

5
arch/arm/mach-omap2/pm.h
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@ -22,11 +22,16 @@ extern int omap3_idle_init(void);
#if defined(CONFIG_PM_OPP)
extern int omap3_opp_init(void);
extern int omap4_opp_init(void);
#else
static inline int omap3_opp_init(void)
{
return -EINVAL;
}
static inline int omap4_opp_init(void)
{
return -EINVAL;
}
#endif
struct cpuidle_params {