2010-07-27 02:14:35 -06:00
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/*
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2011-11-10 23:58:50 -07:00
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* Runtime PM support code
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2010-07-27 02:14:35 -06:00
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*
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* Copyright (C) 2009-2010 Magnus Damm
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/io.h>
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#include <linux/pm_runtime.h>
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2011-07-13 04:32:07 -06:00
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#include <linux/pm_domain.h>
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2011-08-25 07:34:19 -06:00
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#include <linux/pm_clock.h>
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2010-07-27 02:14:35 -06:00
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#include <linux/platform_device.h>
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#include <linux/clk.h>
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#include <linux/sh_clk.h>
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#include <linux/bitmap.h>
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2011-04-28 16:36:53 -06:00
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#include <linux/slab.h>
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2010-07-27 02:14:35 -06:00
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2011-06-22 17:52:55 -06:00
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static struct dev_pm_domain default_pm_domain = {
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2011-04-28 16:36:21 -06:00
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.ops = {
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2015-04-23 02:33:13 -06:00
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USE_PM_CLK_RUNTIME_OPS
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2011-04-28 16:36:21 -06:00
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USE_PLATFORM_PM_SLEEP_OPS
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},
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};
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2011-04-29 16:25:44 -06:00
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static struct pm_clk_notifier_block platform_bus_notifier = {
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2015-04-23 02:33:13 -06:00
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.pm_domain = &default_pm_domain,
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2011-04-29 16:25:44 -06:00
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.con_ids = { NULL, },
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2010-07-27 02:14:35 -06:00
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};
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static int __init sh_pm_runtime_init(void)
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{
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2015-08-27 14:06:52 -06:00
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if (IS_ENABLED(CONFIG_ARCH_SHMOBILE)) {
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2015-08-04 06:28:15 -06:00
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if (!of_find_compatible_node(NULL, NULL,
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"renesas,cpg-mstp-clocks"))
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return 0;
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if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS_OF) &&
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of_find_node_with_property(NULL, "#power-domain-cells"))
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2014-05-06 15:26:19 -06:00
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return 0;
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}
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2011-07-01 14:13:44 -06:00
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pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
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2010-07-27 02:14:35 -06:00
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return 0;
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}
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core_initcall(sh_pm_runtime_init);
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