linux/arch/arm/mach-omap1/pm_bus.c
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   1/*
   2 * Runtime PM support code for OMAP1
   3 *
   4 * Author: Kevin Hilman, Deep Root Systems, LLC
   5 *
   6 * Copyright (C) 2010 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/kernel.h>
  14#include <linux/io.h>
  15#include <linux/pm_runtime.h>
  16#include <linux/pm_clock.h>
  17#include <linux/platform_device.h>
  18#include <linux/mutex.h>
  19#include <linux/clk.h>
  20#include <linux/err.h>
  21
  22#include "soc.h"
  23
  24static struct dev_pm_domain default_pm_domain = {
  25        .ops = {
  26                USE_PM_CLK_RUNTIME_OPS
  27                USE_PLATFORM_PM_SLEEP_OPS
  28        },
  29};
  30
  31static struct pm_clk_notifier_block platform_bus_notifier = {
  32        .pm_domain = &default_pm_domain,
  33        .con_ids = { "ick", "fck", NULL, },
  34};
  35
  36static int __init omap1_pm_runtime_init(void)
  37{
  38        if (!cpu_class_is_omap1())
  39                return -ENODEV;
  40
  41        pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
  42
  43        return 0;
  44}
  45core_initcall(omap1_pm_runtime_init);
  46
  47