/* * Runtime PM support code * * Copyright (C) 2009-2010 Magnus Damm * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/io.h> #include <linux/pm_runtime.h> #include <linux/pm_domain.h> #include <linux/pm_clock.h> #include <linux/platform_device.h> #include <linux/clk.h> #include <linux/sh_clk.h> #include <linux/bitmap.h> #include <linux/slab.h> static struct dev_pm_domain default_pm_domain = { .ops = { USE_PM_CLK_RUNTIME_OPS USE_PLATFORM_PM_SLEEP_OPS }, }; static struct pm_clk_notifier_block platform_bus_notifier = { .pm_domain = &default_pm_domain, .con_ids = { NULL, }, }; static int __init sh_pm_runtime_init(void) { if (IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_ARCH_SHMOBILE)) { if (!of_find_compatible_node(NULL, NULL, "renesas,cpg-mstp-clocks")) return 0; if (IS_ENABLED(CONFIG_PM_GENERIC_DOMAINS_OF) && of_find_node_with_property(NULL, "#power-domain-cells")) return 0; } pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier); return 0; } core_initcall(sh_pm_runtime_init);