linux-kernel - Re: [PATCH 2/6] GICv3: Add ITS entry to THUNDER dts

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Message-ID: <9184A2BB-2852-4B73-B964-881A1491EEA8@caviumnetworks.com>
Date:	Thu, 25 Jun 2015 23:19:59 +0000
From:	"Chalamarla, Tirumalesh" <Tirumalesh.Chalamarla@...iumnetworks.com>
To:	"marc.zyngier@....com" <marc.zyngier@....com>
CC:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	"Ian Campbell" <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Liviu Dudau <liviu.dudau@....com>,
	Arnd Bergmann <arnd@...db.de>,
	"Sunil Goutham" <sgoutham@...ium.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Tirumalesh Chalamarla <tchalamarla@...ium.com>,
	Robert Richter <rrichter@...ium.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>
Subject: Re: [PATCH 2/6] GICv3: Add ITS entry to THUNDER dts

Hi Marc,

Any feed back on this. 
Do you want me to submit this as a separate patch?so that it is easy for getting acceptance. 

Thanks,
Tirumalesh. 

> On Sep 24, 2014, at 8:37 AM, Robert Richter <rric@...nel.org> wrote:
> 
> 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>
> Signed-off-by: Robert Richter <rrichter@...ium.com>
> ---
> arch/arm64/boot/dts/thunder-88xx.dtsi | 9 +++++++++
> 1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/thunder-88xx.dtsi b/arch/arm64/boot/dts/thunder-88xx.dtsi
> index d8c0bdc51882..9cb7cf94284a 100644
> --- a/arch/arm64/boot/dts/thunder-88xx.dtsi
> +++ b/arch/arm64/boot/dts/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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