linux-kernel - [PATCH v2 18/18] ARM: mvebu: Add Device Tree description of EHCI hosts on Armada 375

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Date:	Fri, 25 Apr 2014 16:07:16 +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 18/18] ARM: mvebu: Add Device Tree description of EHCI hosts on Armada 375

The Marvell Armada 375 SoC contains one EHCI host. This commit adds
the Device Tree description of this interface at the SoC level.

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 cbe64ba9eb65..349b9635bf3a 100644
--- a/arch/arm/boot/dts/armada-375.dtsi
+++ b/arch/arm/boot/dts/armada-375.dtsi
@@ -320,6 +320,24 @@
 				clocks = <&coreclk 0>;
 			};
 
+			/*
+			 * 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.
+			 */
+			usb@...00 {
+				compatible = "marvell,orion-ehci";
+				reg = <0x50000 0x500>;
+				interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&gateclk 18>;
+				status = "disabled";
+			};
+
 			usb-cluster@...00 {
 				compatible = "marvell,armada-375-usb-cluster";
 				reg = <0x18400 0x4>;
-- 
1.8.1.2

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