kernel_samsung_a34x-permissive/arch/arm/mach-davinci/pm_domain.c
2024-04-28 15:51:13 +02:00

41 lines
989 B
C

/*
* 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);