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

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Date:	Wed, 08 Jul 2015 14:26:33 -0700
From:	Kevin Hilman <khilman@...nel.org>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	"Chalamarla\, Tirumalesh" <Tirumalesh.Chalamarla@...iumnetworks.com>,
	"marc.zyngier\@arm.com" <marc.zyngier@....com>,
	"Will.Deacon\@arm.com" <Will.Deacon@....com>,
	"rrichter\@cavium.com" <rrichter@...ium.com>,
	"devicetree\@vger.kernel.org" <devicetree@...r.kernel.org>,
	Tirumalesh Chalamarla <tchalamarla@...ium.com>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel\@lists.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>, arm@...nel.org
Subject: Re: [PATCH] GICv3: Add ITS entry to THUNDER dts

Catalin Marinas <catalin.marinas@....com> writes:

> On Thu, Jul 02, 2015 at 08:26:02PM +0000, Chalamarla, Tirumalesh wrote:
>> > On Jun 26, 2015, at 12:12 PM, Tirumalesh Chalamarla <tchalamarla@...iumnetworks.com> 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>
>> > Acked-by: Marc Zyngier <marc.zyngier@....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 {
>> 
>> is it possible to pull this for 4.2?
>
> The dts files go in via the arm-soc tree (cc'ing arm@...nel.org).

Picked this up for v4.2-rc,

Kevin
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