1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * Runtime PM support code for OMAP1 |
4 | * |
5 | * Author: Kevin Hilman, Deep Root Systems, LLC |
6 | * |
7 | * Copyright (C) 2010 Texas Instruments, Inc. |
8 | */ |
9 | #include <linux/init.h> |
10 | #include <linux/kernel.h> |
11 | #include <linux/io.h> |
12 | #include <linux/pm_runtime.h> |
13 | #include <linux/pm_clock.h> |
14 | #include <linux/platform_device.h> |
15 | #include <linux/mutex.h> |
16 | #include <linux/clk.h> |
17 | #include <linux/err.h> |
18 | |
19 | #include "soc.h" |
20 | |
21 | static struct dev_pm_domain default_pm_domain = { |
22 | .ops = { |
23 | USE_PM_CLK_RUNTIME_OPS |
24 | USE_PLATFORM_PM_SLEEP_OPS |
25 | }, |
26 | }; |
27 | |
28 | static struct pm_clk_notifier_block platform_bus_notifier = { |
29 | .pm_domain = &default_pm_domain, |
30 | .con_ids = { "ick" , "fck" , NULL, }, |
31 | }; |
32 | |
33 | static int __init omap1_pm_runtime_init(void) |
34 | { |
35 | if (!cpu_class_is_omap1()) |
36 | return -ENODEV; |
37 | |
38 | pm_clk_add_notifier(bus: &platform_bus_type, clknb: &platform_bus_notifier); |
39 | |
40 | return 0; |
41 | } |
42 | core_initcall(omap1_pm_runtime_init); |
43 | |