1// SPDX-License-Identifier: GPL-2.0+
 2/*
 3 * USB of helper code
 
 
 
 
 
 4 */
 5
 6#include <linux/kernel.h>
 7#include <linux/module.h>
 8#include <linux/of.h>
 9#include <linux/usb/of.h>
10#include <linux/usb/otg.h>
11
12static const char *const usbphy_modes[] = {
13	[USBPHY_INTERFACE_MODE_UNKNOWN]	= "",
14	[USBPHY_INTERFACE_MODE_UTMI]	= "utmi",
15	[USBPHY_INTERFACE_MODE_UTMIW]	= "utmi_wide",
16	[USBPHY_INTERFACE_MODE_ULPI]	= "ulpi",
17	[USBPHY_INTERFACE_MODE_SERIAL]	= "serial",
18	[USBPHY_INTERFACE_MODE_HSIC]	= "hsic",
19};
20
21/**
22 * of_usb_get_phy_mode - Get phy mode for given device_node
23 * @np:	Pointer to the given device_node
24 *
25 * The function gets phy interface string from property 'phy_type',
26 * and returns the corresponding enum usb_phy_interface
27 */
28enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
29{
30	const char *phy_type;
31	int err, i;
32
33	err = of_property_read_string(np, "phy_type", &phy_type);
34	if (err < 0)
35		return USBPHY_INTERFACE_MODE_UNKNOWN;
36
37	for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++)
38		if (!strcmp(phy_type, usbphy_modes[i]))
39			return i;
40
41	return USBPHY_INTERFACE_MODE_UNKNOWN;
42}
43EXPORT_SYMBOL_GPL(of_usb_get_phy_mode);

 
 1/*
 2 * USB of helper code
 3 *
 4 * This program is free software; you can redistribute it and/or modify
 5 * it under the terms of the GNU General Public License as published by
 6 * the Free Software Foundation; either version 2 of the License, or
 7 * (at your option) any later version.
 8 */
 9
10#include <linux/kernel.h>
11#include <linux/module.h>
12#include <linux/of.h>
13#include <linux/usb/of.h>
14#include <linux/usb/otg.h>
15
16static const char *const usbphy_modes[] = {
17	[USBPHY_INTERFACE_MODE_UNKNOWN]	= "",
18	[USBPHY_INTERFACE_MODE_UTMI]	= "utmi",
19	[USBPHY_INTERFACE_MODE_UTMIW]	= "utmi_wide",
20	[USBPHY_INTERFACE_MODE_ULPI]	= "ulpi",
21	[USBPHY_INTERFACE_MODE_SERIAL]	= "serial",
22	[USBPHY_INTERFACE_MODE_HSIC]	= "hsic",
23};
24
25/**
26 * of_usb_get_phy_mode - Get phy mode for given device_node
27 * @np:	Pointer to the given device_node
28 *
29 * The function gets phy interface string from property 'phy_type',
30 * and returns the correspondig enum usb_phy_interface
31 */
32enum usb_phy_interface of_usb_get_phy_mode(struct device_node *np)
33{
34	const char *phy_type;
35	int err, i;
36
37	err = of_property_read_string(np, "phy_type", &phy_type);
38	if (err < 0)
39		return USBPHY_INTERFACE_MODE_UNKNOWN;
40
41	for (i = 0; i < ARRAY_SIZE(usbphy_modes); i++)
42		if (!strcmp(phy_type, usbphy_modes[i]))
43			return i;
44
45	return USBPHY_INTERFACE_MODE_UNKNOWN;
46}
47EXPORT_SYMBOL_GPL(of_usb_get_phy_mode);