1 /*
2  * Runtime PM support code for OMAP1
3  *
4  * Author: Kevin Hilman, Deep Root Systems, LLC
5  *
6  * Copyright (C) 2010 Texas Instruments, Inc.
7  *
8  * This file is licensed under the terms of the GNU General Public
9  * License version 2. This program is licensed "as is" without any
10  * warranty of any kind, whether express or implied.
11  */
12 #include <linux/init.h>
13 #include <linux/kernel.h>
14 #include <linux/io.h>
15 #include <linux/pm_runtime.h>
16 #include <linux/pm_clock.h>
17 #include <linux/platform_device.h>
18 #include <linux/mutex.h>
19 #include <linux/clk.h>
20 #include <linux/err.h>
21 
22 #include "soc.h"
23 
24 static struct dev_pm_domain default_pm_domain = {
25 	.ops = {
26 		USE_PM_CLK_RUNTIME_OPS
27 		USE_PLATFORM_PM_SLEEP_OPS
28 	},
29 };
30 
31 static struct pm_clk_notifier_block platform_bus_notifier = {
32 	.pm_domain = &default_pm_domain,
33 	.con_ids = { "ick", "fck", NULL, },
34 };
35 
omap1_pm_runtime_init(void)36 static int __init omap1_pm_runtime_init(void)
37 {
38 	if (!cpu_class_is_omap1())
39 		return -ENODEV;
40 
41 	pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
42 
43 	return 0;
44 }
45 core_initcall(omap1_pm_runtime_init);
46 
47