projects / deliverable / linux.git / blame
| 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 | } |