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