From 9ab403d0dd3c88370612c97f8c4cb88199302833 Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari@gmail.com>
Date: Sat, 1 Dec 2018 19:00:16 +0100
Subject: [PATCH] bmips: bcm6338: add bcm6348-iudma support
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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 arch/mips/dts/brcm,bcm6338.dtsi       | 14 ++++++++++++++
 include/dt-bindings/dma/bcm6338-dma.h | 14 ++++++++++++++
 2 files changed, 28 insertions(+)
 create mode 100644 include/dt-bindings/dma/bcm6338-dma.h

diff --git a/arch/mips/dts/brcm,bcm6338.dtsi b/arch/mips/dts/brcm,bcm6338.dtsi
index bbd58cf..9903554 100644
--- a/arch/mips/dts/brcm,bcm6338.dtsi
+++ b/arch/mips/dts/brcm,bcm6338.dtsi
@@ -4,6 +4,7 @@
  */
 
 #include <dt-bindings/clock/bcm6338-clock.h>
+#include <dt-bindings/dma/bcm6338-dma.h>
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/reset/bcm6338-reset.h>
 #include "skeleton.dtsi"
@@ -130,5 +131,18 @@
 			reg = <0xfffe3100 0x38>;
 			u-boot,dm-pre-reloc;
 		};
+
+		iudma: dma-controller@fffe2400 {
+			compatible = "brcm,bcm6348-iudma";
+			reg = <0xfffe2400 0x1c>,
+			      <0xfffe2500 0x60>,
+			      <0xfffe2600 0x60>;
+			reg-names = "dma",
+				    "dma-channels",
+				    "dma-sram";
+			#dma-cells = <1>;
+			dma-channels = <6>;
+			resets = <&periph_rst BCM6338_RST_DMAMEM>;
+		};
 	};
 };
diff --git a/include/dt-bindings/dma/bcm6338-dma.h b/include/dt-bindings/dma/bcm6338-dma.h
new file mode 100644
index 0000000..f2e0b20
--- /dev/null
+++ b/include/dt-bindings/dma/bcm6338-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_BCM6338_H
+#define __DT_BINDINGS_DMA_BCM6338_H
+
+#define BCM6338_DMA_ENET_RX	0
+#define BCM6338_DMA_ENET_TX	1
+
+#endif /* __DT_BINDINGS_DMA_BCM6338_H */
-- 
2.7.4