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Message-Id: <1398434836-18908-17-git-send-email-gregory.clement@free-electrons.com>
Date:	Fri, 25 Apr 2014 16:07:14 +0200
From:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
To:	Mathias Nyman <mathias.nyman@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Felipe Balbi <balbi@...com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, Jason Cooper <jason@...edaemon.net>,
	Andrew Lunn <andrew@...n.ch>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	linux-arm-kernel@...ts.infradead.org,
	Lior Amsalem <alior@...vell.com>,
	Tawfik Bayouk <tawfik@...vell.com>,
	Nadav Haklai <nadavh@...vell.com>,
	Grant Likely <grant.likely@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org
Subject: [PATCH v2 16/18] ARM: mvebu: add USB3 controller Device Tree details for Armada 375

This commit adds the support for the USB3 controller in the Armada 375
SoC. The following things have been taken in consideration:

 - The usb3-controller node has to be *outside* of the internal-regs{}
   node, because this device needs to access special windows.

 - The usb3-controller node has one ranges to describe the special
   window to be created but it must be done at the board level in the
   dts.

 - The usb3-controller node has two entries in the reg property, the
   first for XHCI, the second for the internal registers

Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
---
 arch/arm/boot/dts/armada-375.dtsi | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/arch/arm/boot/dts/armada-375.dtsi b/arch/arm/boot/dts/armada-375.dtsi
index 0e0036800071..cbe64ba9eb65 100644
--- a/arch/arm/boot/dts/armada-375.dtsi
+++ b/arch/arm/boot/dts/armada-375.dtsi
@@ -465,5 +465,23 @@
 			};
 
 		};
+
+		/*
+		 * On Armada 375, USB2 host controller and USB3 host
+		 * controller are incompatible. That means that in the
+		 * dts of your board, you can either select the USB2
+		 * controller: marvell,orion-ehci or the USB3
+		 * controller: marvell,armada-375-xhci, but not
+		 * both. If both controllers are selected, then the
+		 * kernel will select the USB3 by default.
+		 */
+		usb3-controller {
+			compatible = "marvell,armada-375-xhci";
+			reg = <MBUS_ID(0x05, 0x00) 0 0x20000>,
+				<MBUS_ID(0xf0, 0x01) 0x5ff80 0x80>;
+			interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gateclk 16>;
+			status = "disabled";
+		};
 	};
 };
-- 
1.8.1.2

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