]> git.sur5r.net Git - u-boot/blobdiff - drivers/usb/common/common.c
fastboot: Rename public fb_ functions to fastboot_
[u-boot] / drivers / usb / common / common.c
index e8432bb016eb9f707e11d6fd8292c9e345366e94..a55def5aba67466d83d829af88e8c657a886d752 100644 (file)
@@ -1,15 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * 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/libfdt.h>
 #include <linux/usb/otg.h>
+#include <linux/usb/ch9.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -38,3 +38,31 @@ enum usb_dr_mode usb_get_dr_mode(int node)
 
        return USB_DR_MODE_UNKNOWN;
 }
+
+static const char *const speed_names[] = {
+       [USB_SPEED_UNKNOWN] = "UNKNOWN",
+       [USB_SPEED_LOW] = "low-speed",
+       [USB_SPEED_FULL] = "full-speed",
+       [USB_SPEED_HIGH] = "high-speed",
+       [USB_SPEED_WIRELESS] = "wireless",
+       [USB_SPEED_SUPER] = "super-speed",
+};
+
+enum usb_device_speed usb_get_maximum_speed(int node)
+{
+       const void *fdt = gd->fdt_blob;
+       const char *max_speed;
+       int i;
+
+       max_speed = fdt_getprop(fdt, node, "maximum-speed", NULL);
+       if (!max_speed) {
+               pr_err("usb maximum-speed not found\n");
+               return USB_SPEED_UNKNOWN;
+       }
+
+       for (i = 0; i < ARRAY_SIZE(speed_names); i++)
+               if (!strcmp(max_speed, speed_names[i]))
+                       return i;
+
+       return USB_SPEED_UNKNOWN;
+}