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 24 static struct dev_pm_domain default_pm_domain = { 25 .ops = { 26 USE_PM_CLK_RUNTIME_OPS 27 USE_PLATFORM_PM_SLEEP_OPS 28 }, 29 }; 30 31 static struct pm_clk_notifier_block platform_bus_notifier = { 32 .pm_domain = &default_pm_domain, 33 .con_ids = { "ick", "fck", NULL, }, 34 }; 35 36 static 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 } 45 core_initcall(omap1_pm_runtime_init); 46 47