usb: Skip USB init for now on A7-A11 SoCs.

We do not support the USB controller on A7-A11 SoCs yet, but still do not try to init dwc3 on them. Signed-off-by: Nick Chan <[email protected]>
AsahiLinux · Oct 9, 2024 · 7f56988 · 7f56988
1 parent ffdd709
commit 7f56988
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/src/usb.c b/src/usb.c
@@ -253,6 +253,16 @@ void usb_init(void)
         return;
     }
 
+    /*
+     * A7-A11 uses a custom internal otg controller with the peripheral part
+     * being dwc2.
+     */
+    if (adt_path_offset(adt, "/arm-io/otgphyctrl") > 0 &&
+        adt_path_offset(adt, "/arm-io/usb-complex") > 0) {
+        /* We do not support the custom controller and dwc2 (yet). */
+        return;
+    }
+
     i2c_dev_t *i2c = i2c_init("/arm-io/i2c0");
     if (!i2c) {
         printf("usb: i2c init failed.\n");