linux-sg2042/arch/arm/mach-omap1/pm_bus.c

47 lines
1.0 KiB
C

/*
* Runtime PM support code for OMAP1
*
* Author: Kevin Hilman, Deep Root Systems, LLC
*
* Copyright (C) 2010 Texas Instruments, Inc.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
#include <linux/pm_clock.h>
#include <linux/platform_device.h>
#include <linux/mutex.h>
#include <linux/clk.h>
#include <linux/err.h>
#include "soc.h"
static struct dev_pm_domain default_pm_domain = {
.ops = {
USE_PM_CLK_RUNTIME_OPS
USE_PLATFORM_PM_SLEEP_OPS
},
};
static struct pm_clk_notifier_block platform_bus_notifier = {
.pm_domain = &default_pm_domain,
.con_ids = { "ick", "fck", NULL, },
};
static int __init omap1_pm_runtime_init(void)
{
if (!cpu_class_is_omap1())
return -ENODEV;
pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
return 0;
}
core_initcall(omap1_pm_runtime_init);