From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCH V4 8/9] dt-bindings: arm-gic: Add documentation for Tegra210 AGIC Date: Mon, 16 May 2016 11:05:47 -0500 Message-ID: <20160516160547.GA6402@rob-hp-laptop> References: <1463066372-13115-1-git-send-email-jonathanh@nvidia.com> <1463066372-13115-9-git-send-email-jonathanh@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1463066372-13115-9-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jon Hunter Cc: Thomas Gleixner , Jason Cooper , Marc Zyngier , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Stephen Warren , Thierry Reding , Kevin Hilman , Geert Uytterhoeven , Grygorii Strashko , Lars-Peter Clausen , Linus Walleij , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org On Thu, May 12, 2016 at 04:19:31PM +0100, Jon Hunter wrote: > The Tegra AGIC is an interrupt controller that is compatible with the > ARM GIC-400, however, it is a 2nd level controller and requires runtime > power-management because it is outside the main CPU complex. Ideally, > the AGIC would use the existing "arm,gic-400" compatibility string, but > because of the power management requirements it cannot be initialised > early and is initialised by a platform driver. Therefore, to distinguish > between the Tegra AGIC and a normal GIC-400, and to ensure that the > appropriate driver initialises the AGIC, add the compatible string and > clock information for the AGIC to the GIC device-tree binding > documentation. > > Signed-off-by: Jon Hunter > --- > Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Acked-by: Rob Herring