Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * PM domain driver for Keystone2 devices
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2013 Texas Instruments, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *	Santosh Shilimkar <santosh.shillimkar@ti.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Based on Kevins work on DAVINCI SOCs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *	Kevin Hilman <khilman@linaro.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^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) #include "keystone.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static struct dev_pm_domain keystone_pm_domain = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	.ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		USE_PM_CLK_RUNTIME_OPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		USE_PLATFORM_PM_SLEEP_OPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) static struct pm_clk_notifier_block platform_domain_notifier = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	.pm_domain = &keystone_pm_domain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	.con_ids = { NULL },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) static const struct of_device_id of_keystone_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	{.compatible = "ti,k2hk"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	{.compatible = "ti,k2e"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	{.compatible = "ti,k2l"},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	{ /* end of list */ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) int __init keystone_pm_runtime_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	struct device_node *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	np = of_find_matching_node(NULL, of_keystone_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	if (!np)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	pm_clk_add_notifier(&platform_bus_type, &platform_domain_notifier);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }