Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2)  * Runtime PM support code for DaVinci
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Author: Kevin Hilman
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Copyright (C) 2012 Texas Instruments, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * This file is licensed under the terms of the GNU General Public
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  * License version 2. This program is licensed "as is" without any
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * warranty of any kind, whether express or implied.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/pm_runtime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/pm_clock.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static struct dev_pm_domain davinci_pm_domain = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	.ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		USE_PM_CLK_RUNTIME_OPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 		USE_PLATFORM_PM_SLEEP_OPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) static struct pm_clk_notifier_block platform_bus_notifier = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	.pm_domain = &davinci_pm_domain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	.con_ids = { "fck", "master", "slave", NULL },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) static int __init davinci_pm_runtime_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	if (of_have_populated_dt())
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	/* Use pm_clk as fallback if we're not using genpd. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) core_initcall(davinci_pm_runtime_init);