| /* |
| * Runtime PM support code for DaVinci |
| * |
| * Author: Kevin Hilman |
| * |
| * Copyright (C) 2012 Texas Instruments, Inc. |
| * |
| * This file is licensed under the terms of the GNU General Public |
| * License version 2. This program is licensed "as is" without any |
| * warranty of any kind, whether express or implied. |
| */ |
| #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 davinci_pm_domain = { |
| .ops = { |
| USE_PM_CLK_RUNTIME_OPS |
| USE_PLATFORM_PM_SLEEP_OPS |
| }, |
| }; |
| |
| static struct pm_clk_notifier_block platform_bus_notifier = { |
| .pm_domain = &davinci_pm_domain, |
| .con_ids = { "fck", "master", "slave", NULL }, |
| }; |
| |
| static int __init davinci_pm_runtime_init(void) |
| { |
| if (of_have_populated_dt()) |
| return 0; |
| |
| /* Use pm_clk as fallback if we're not using genpd. */ |
| pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier); |
| |
| return 0; |
| } |
| core_initcall(davinci_pm_runtime_init); |
