xref: /OK3568_Linux_fs/u-boot/drivers/power/power_delivery/power_delivery_uclass.c (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  * (C) Copyright 2022 Rockchip Electronics Co., Ltd
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  * SPDX-License-Identifier:     GPL-2.0+
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <errno.h>
8*4882a593Smuzhiyun #include <dm.h>
9*4882a593Smuzhiyun #include <dm/device-internal.h>
10*4882a593Smuzhiyun #include <power/power_delivery/power_delivery.h>
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun DECLARE_GLOBAL_DATA_PTR;
13*4882a593Smuzhiyun 
power_delivery_get_data(struct udevice * dev,struct power_delivery_data * pd_data)14*4882a593Smuzhiyun int power_delivery_get_data(struct udevice *dev, struct power_delivery_data *pd_data)
15*4882a593Smuzhiyun {
16*4882a593Smuzhiyun 	const struct dm_power_delivery_ops *ops = dev_get_driver_ops(dev);
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	if (!ops || !ops->get_current || !ops->get_voltage || !ops->get_online)
19*4882a593Smuzhiyun 		return -ENOSYS;
20*4882a593Smuzhiyun 
21*4882a593Smuzhiyun 	pd_data->voltage = ops->get_voltage(dev);
22*4882a593Smuzhiyun 	pd_data->current = ops->get_current(dev);
23*4882a593Smuzhiyun 	pd_data->online = ops->get_online(dev);
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun 	return 0;
26*4882a593Smuzhiyun }
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun UCLASS_DRIVER(power_delivery) = {
29*4882a593Smuzhiyun 	.id		= UCLASS_PD,
30*4882a593Smuzhiyun 	.name		= "power_delivery",
31*4882a593Smuzhiyun };
32