linux-kernel - [PATCH] GICv3: Add ITS entry to THUNDER dts

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Date:	Fri, 26 Jun 2015 12:10:14 -0700
From:	Tirumalesh Chalamarla <tchalamarla@...iumnetworks.com>
To:	<marc.zyngier@....com>, <Catalin.Marinas@....com>,
	<Will.Deacon@....com>
CC:	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <rrichter@...ium.com>,
	<devicetree@...r.kernel.org>,
	Tirumalesh Chalamarla <tchalamarla@...ium.com>
Subject: [PATCH] GICv3: Add ITS entry to THUNDER dts

From: Tirumalesh Chalamarla <tchalamarla@...ium.com>

The PCIe host controller uses MSIs provided by GICv3 ITS. Enable it on
Thunder SoCs by adding an entry to DT.

Signed-off-by: Tirumalesh Chalamarla <tchalamarla@...ium.com>
---
 arch/arm64/boot/dts/cavium/thunder-88xx.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
index d8c0bdc..9cb7cf9 100644
--- a/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
+++ b/arch/arm64/boot/dts/cavium/thunder-88xx.dtsi
@@ -376,10 +376,19 @@
 		gic0: interrupt-controller@...0,00000000 {
 			compatible = "arm,gic-v3";
 			#interrupt-cells = <3>;
+			#address-cells = <2>;
+			#size-cells = <2>;
+			ranges;
 			interrupt-controller;
 			reg = <0x8010 0x00000000 0x0 0x010000>, /* GICD */
 			      <0x8010 0x80000000 0x0 0x600000>; /* GICR */
 			interrupts = <1 9 0xf04>;
+
+			its: gic-its@...0,00020000 {
+				compatible = "arm,gic-v3-its";
+				msi-controller;
+				reg = <0x8010 0x20000 0x0 0x200000>;
+			};
 		};
 
 		uaa0: serial@...0,24000000 {
-- 
2.1.0

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