bmips: bcm6362: add bcm6348-iudma support

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
diff --git a/include/dt-bindings/dma/bcm6362-dma.h b/include/dt-bindings/dma/bcm6362-dma.h
new file mode 100644
index 0000000..1e62236
--- /dev/null
+++ b/include/dt-bindings/dma/bcm6362-dma.h
@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+ */
+
+#ifndef __DT_BINDINGS_DMA_BCM6362_H
+#define __DT_BINDINGS_DMA_BCM6362_H
+
+#define BCM6362_DMA_ENETSW_RX	0
+#define BCM6362_DMA_ENETSW_TX	1
+
+#endif /* __DT_BINDINGS_DMA_BCM6362_H */