50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
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* Runtime PM support code
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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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#include <linux/pm_domain.h>
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#include <linux/pm_clock.h>
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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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#include <linux/slab.h>
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static struct dev_pm_domain default_pm_domain = {
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.ops = {
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USE_PM_CLK_RUNTIME_OPS
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USE_PLATFORM_PM_SLEEP_OPS
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},
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};
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static struct pm_clk_notifier_block platform_bus_notifier = {
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.pm_domain = &default_pm_domain,
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.con_ids = { NULL, },
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};
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static int __init sh_pm_runtime_init(void)
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{
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if (IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_ARCH_SHMOBILE)) {
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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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return 0;
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}
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pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
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return 0;
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}
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core_initcall(sh_pm_runtime_init);
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