From 83eae024623ef6a7d3c483c2fa7eea301bc72fb5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Sat, 1 Dec 2018 19:00:22 +0100
Subject: [PATCH] bmips: bcm63268: add bcm6348-iudma support
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 arch/mips/dts/brcm,bcm63268.dtsi       | 13 +++++++++++++
 include/dt-bindings/dma/bcm63268-dma.h | 14 ++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 include/dt-bindings/dma/bcm63268-dma.h

diff --git a/arch/mips/dts/brcm,bcm63268.dtsi b/arch/mips/dts/brcm,bcm63268.dtsi
index 62c440e..c7ad83c 100644
--- a/arch/mips/dts/brcm,bcm63268.dtsi
+++ b/arch/mips/dts/brcm,bcm63268.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/clock/bcm63268-clock.h>
+#include <dt-bindings/dma/bcm63268-dma.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/power-domain/bcm63268-power-domain.h>
 #include <dt-bindings/reset/bcm63268-reset.h>
@@ -217,5 +218,17 @@
 			reg = <0x10003000 0x894>;
 			u-boot,dm-pre-reloc;
 		};
+
+		iudma: dma-controller@1000d800 {
+			compatible = "brcm,bcm6368-iudma";
+			reg = <0x1000d800 0x80>,
+			      <0x1000da00 0x80>,
+			      <0x1000dc00 0x80>;
+			reg-names = "dma",
+				    "dma-channels",
+				    "dma-sram";
+			#dma-cells = <1>;
+			dma-channels = <8>;
+		};
 	};
 };
diff --git a/include/dt-bindings/dma/bcm63268-dma.h b/include/dt-bindings/dma/bcm63268-dma.h
new file mode 100644
index 0000000..7d02711
--- /dev/null
+++ b/include/dt-bindings/dma/bcm63268-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_BCM63268_H
+#define __DT_BINDINGS_DMA_BCM63268_H
+
+#define BCM63268_DMA_ENETSW_RX	0
+#define BCM63268_DMA_ENETSW_TX	1
+
+#endif /* __DT_BINDINGS_DMA_BCM63268_H */
-- 
2.7.4