blob: 35c2dc18d9554eb3b75f0eff4d65e0e2f8f99733 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
/*
* Provides code common for host and device side USB.
*
* (C) Copyright 2016
* Texas Instruments Incorporated, <www.ti.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <libfdt.h>
#include <linux/usb/otg.h>
DECLARE_GLOBAL_DATA_PTR;
static const char *const usb_dr_modes[] = {
[USB_DR_MODE_UNKNOWN] = "",
[USB_DR_MODE_HOST] = "host",
[USB_DR_MODE_PERIPHERAL] = "peripheral",
[USB_DR_MODE_OTG] = "otg",
};
enum usb_dr_mode usb_get_dr_mode(int node)
{
const void *fdt = gd->fdt_blob;
const char *dr_mode;
int i;
dr_mode = fdt_getprop(fdt, node, "dr_mode", NULL);
if (!dr_mode) {
error("usb dr_mode not found\n");
return USB_DR_MODE_UNKNOWN;
}
for (i = 0; i < ARRAY_SIZE(usb_dr_modes); i++)
if (!strcmp(dr_mode, usb_dr_modes[i]))
return i;
return USB_DR_MODE_UNKNOWN;
}
|
