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OMAP2: add voltage domains and connect to powerdomains

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Create basic voltagedomains for OMAP2 and associate OMAP2 powerdomains
with the newly created voltage domains.

While here, update copyright on powerdomain data to 2011.

Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Kevin Hilman 2011-03-23 16:09:41 -07:00
parent 8f1bec246c
commit aae030fa32
6 changed files with 42 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/arm/mach-omap2/Makefile
View File

@ -91,7 +91,8 @@ obj-$(CONFIG_ARCH_OMAP4) += prcm.o cm2xxx_3xxx.o cminst44xx.o \
# OMAP voltage domains
ifeq ($(CONFIG_PM),y)
voltagedomain-common := voltage.o
obj-$(CONFIG_ARCH_OMAP2) += $(voltagedomain-common)
obj-$(CONFIG_ARCH_OMAP2) += $(voltagedomain-common) \
voltagedomains2xxx_data.o
obj-$(CONFIG_ARCH_OMAP3) += $(voltagedomain-common) \
voltagedomains3xxx_data.o
obj-$(CONFIG_ARCH_OMAP4) += $(voltagedomain-common) \

2
arch/arm/mach-omap2/io.c
View File

@ -342,10 +342,12 @@ void __init omap2_init_common_infrastructure(void)
u8 postsetup_state;
if (cpu_is_omap242x()) {
omap2xxx_voltagedomains_init();
omap242x_powerdomains_init();
omap242x_clockdomains_init();
omap2420_hwmod_init();
} else if (cpu_is_omap243x()) {
omap2xxx_voltagedomains_init();
omap243x_powerdomains_init();
omap243x_clockdomains_init();
omap2430_hwmod_init();

2
arch/arm/mach-omap2/powerdomain2xxx_3xxx.c
View File

@ -1,7 +1,7 @@
/*
* OMAP2 and OMAP3 powerdomain control
*
* Copyright (C) 2009-2010 Texas Instruments, Inc.
* Copyright (C) 2009-2011 Texas Instruments, Inc.
* Copyright (C) 2007-2009 Nokia Corporation
*
* Derived from mach-omap2/powerdomain.c written by Paul Walmsley

4
arch/arm/mach-omap2/powerdomains2xxx_data.c
View File

@ -37,6 +37,7 @@ static struct powerdomain dsp_pwrdm = {
.pwrsts_mem_on = {
[0] = PWRSTS_ON,
},
.voltdm = { .name = "core" },
};
static struct powerdomain mpu_24xx_pwrdm = {
@ -51,6 +52,7 @@ static struct powerdomain mpu_24xx_pwrdm = {
.pwrsts_mem_on = {
[0] = PWRSTS_ON,
},
.voltdm = { .name = "core" },
};
static struct powerdomain core_24xx_pwrdm = {
@ -68,6 +70,7 @@ static struct powerdomain core_24xx_pwrdm = {
[1] = PWRSTS_OFF_RET_ON, /* MEM2ONSTATE */
[2] = PWRSTS_OFF_RET_ON, /* MEM3ONSTATE */
},
.voltdm = { .name = "core" },
};
@ -89,6 +92,7 @@ static struct powerdomain mdm_pwrdm = {
.pwrsts_mem_on = {
[0] = PWRSTS_ON, /* MEMONSTATE */
},
.voltdm = { .name = "core" },
};
/*

1
arch/arm/mach-omap2/voltage.h
View File

@ -180,6 +180,7 @@ static inline int omap_voltage_late_init(void)
}
#endif
extern void omap2xxx_voltagedomains_init(void);
extern void omap3xxx_voltagedomains_init(void);
extern void omap44xx_voltagedomains_init(void);

32
arch/arm/mach-omap2/voltagedomains2xxx_data.c Normal file
View File

@ -0,0 +1,32 @@
/*
* OMAP3 voltage domain data
*
* Copyright (C) 2011 Texas Instruments, Inc.
*
* 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/init.h>
#include "voltage.h"
static struct voltagedomain omap2_voltdm_core = {
.name = "core",
};
static struct voltagedomain omap2_voltdm_wkup = {
.name = "wakeup",
};
static struct voltagedomain *voltagedomains_omap2[] __initdata = {
&omap2_voltdm_core,
&omap2_voltdm_wkup,
NULL,
};
void __init omap2xxx_voltagedomains_init(void)
{
voltdm_init(voltagedomains_omap2);
}