xref: /linux/arch/arm/mach-davinci/pm_domain.c (revision b85d45947951d23cb22d90caecf4c1eb81342c96)
1 /*
2  * Runtime PM support code for DaVinci
3  *
4  * Author: Kevin Hilman
5  *
6  * Copyright (C) 2012 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/pm_runtime.h>
14 #include <linux/pm_clock.h>
15 #include <linux/platform_device.h>
16 
17 static struct dev_pm_domain davinci_pm_domain = {
18 	.ops = {
19 		USE_PM_CLK_RUNTIME_OPS
20 		USE_PLATFORM_PM_SLEEP_OPS
21 	},
22 };
23 
24 static struct pm_clk_notifier_block platform_bus_notifier = {
25 	.pm_domain = &davinci_pm_domain,
26 	.con_ids = { "fck", "master", "slave", NULL },
27 };
28 
29 static int __init davinci_pm_runtime_init(void)
30 {
31 	pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
32 
33 	return 0;
34 }
35 core_initcall(davinci_pm_runtime_init);
36