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
21static struct dev_pm_domain default_pm_domain = {
22 .ops = {
23 USE_PM_CLK_RUNTIME_OPS
24 USE_PLATFORM_PM_SLEEP_OPS
25 },
26};
27
28static struct pm_clk_notifier_block platform_bus_notifier = {
29 .pm_domain = &default_pm_domain,
30 .con_ids = { "ick", "fck", NULL, },
31};
32
33static 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}
42core_initcall(omap1_pm_runtime_init);
43

source code of linux/arch/arm/mach-omap1/pm_bus.c