/*
   * PM domain driver for Keystone2 devices
   *
   * Copyright 2013 Texas Instruments, Inc.
   *	Santosh Shilimkar <santosh.shillimkar@ti.com>
   *
   * Based on Kevins work on DAVINCI SOCs
   *	Kevin Hilman <khilman@linaro.org>
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms and conditions of the GNU General Public License,
   * version 2, as published by the Free Software Foundation.
   */
  
  #include <linux/init.h>
  #include <linux/pm_runtime.h>
  #include <linux/pm_clock.h>
  #include <linux/platform_device.h>

  #include <linux/of.h>

  static struct dev_pm_domain keystone_pm_domain = {
  	.ops = {

  		USE_PM_CLK_RUNTIME_OPS

  		USE_PLATFORM_PM_SLEEP_OPS
  	},
  };
  
  static struct pm_clk_notifier_block platform_domain_notifier = {
  	.pm_domain = &keystone_pm_domain,
  };

  static const struct of_device_id of_keystone_table[] = {

  	{.compatible = "ti,keystone"},
  	{ /* end of list */ },
  };

  int __init keystone_pm_runtime_init(void)
  {

  	struct device_node *np;
  
  	np = of_find_matching_node(NULL, of_keystone_table);
  	if (!np)
  		return 0;

  	pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier);
  
  	return 0;
  }