Commit | Line | Data |
---|---|---|
fc20ffe1 SS |
1 | /* |
2 | * PM domain driver for Keystone2 devices | |
3 | * | |
4 | * Copyright 2013 Texas Instruments, Inc. | |
5 | * Santosh Shilimkar <santosh.shillimkar@ti.com> | |
6 | * | |
7 | * Based on Kevins work on DAVINCI SOCs | |
8 | * Kevin Hilman <khilman@linaro.org> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms and conditions of the GNU General Public License, | |
12 | * version 2, as published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/init.h> | |
16 | #include <linux/pm_runtime.h> | |
17 | #include <linux/pm_clock.h> | |
18 | #include <linux/platform_device.h> | |
8620d2c5 | 19 | #include <linux/of.h> |
fc20ffe1 | 20 | |
fc20ffe1 SS |
21 | static struct dev_pm_domain keystone_pm_domain = { |
22 | .ops = { | |
1f51b0c6 | 23 | USE_PM_CLK_RUNTIME_OPS |
fc20ffe1 SS |
24 | USE_PLATFORM_PM_SLEEP_OPS |
25 | }, | |
26 | }; | |
27 | ||
28 | static struct pm_clk_notifier_block platform_domain_notifier = { | |
29 | .pm_domain = &keystone_pm_domain, | |
30 | }; | |
31 | ||
444d2d33 | 32 | static const struct of_device_id of_keystone_table[] = { |
8620d2c5 KH |
33 | {.compatible = "ti,keystone"}, |
34 | { /* end of list */ }, | |
35 | }; | |
36 | ||
fc20ffe1 SS |
37 | int __init keystone_pm_runtime_init(void) |
38 | { | |
8620d2c5 KH |
39 | struct device_node *np; |
40 | ||
41 | np = of_find_matching_node(NULL, of_keystone_table); | |
42 | if (!np) | |
43 | return 0; | |
44 | ||
fc20ffe1 SS |
45 | pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier); |
46 | ||
47 | return 0; | |
48 | } |