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- /*
- * 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;
- }
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