From: Rob Herring <robh@kernel.org>
To: Jon Hunter <jonathanh@nvidia.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Marc Zyngier <marc.zyngier@arm.com>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Stephen Warren <swarren@wwwdotorg.org>,
Thierry Reding <thierry.reding@gmail.com>,
Kevin Hilman <khilman@kernel.org>,
Geert Uytterhoeven <geert@linux-m68k.org>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Lars-Peter Clausen <lars@metafoo.de>,
Linus Walleij <linus.walleij@linaro.org>,
linux-tegra@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V4 8/9] dt-bindings: arm-gic: Add documentation for Tegra210 AGIC
Date: Mon, 16 May 2016 11:05:47 -0500 [thread overview]
Message-ID: <20160516160547.GA6402@rob-hp-laptop> (raw)
In-Reply-To: <1463066372-13115-9-git-send-email-jonathanh@nvidia.com>
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 <jonathanh@nvidia.com>
> ---
> Documentation/devicetree/bindings/interrupt-controller/arm,gic.txt | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
Acked-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2016-05-16 16:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 15:19 [PATCH V4 0/9] Add support " Jon Hunter
2016-05-12 15:19 ` [PATCH V4 1/9] irqdomain: Fix handling of type settings for existing mappings Jon Hunter
2016-05-12 15:19 ` [PATCH V4 2/9] genirq: Look-up trigger type if not specified by caller Jon Hunter
2016-06-04 9:41 ` Marc Zyngier
2016-05-12 15:19 ` [PATCH V4 3/9] irqdomain: Don't set type when mapping an IRQ Jon Hunter
2016-06-04 9:51 ` Marc Zyngier
2016-05-12 15:19 ` [PATCH V4 4/9] genirq: Add runtime power management support for IRQ chips Jon Hunter
2016-06-04 9:53 ` Marc Zyngier
2016-05-12 15:19 ` [PATCH V4 5/9] irqchip/gic: Isolate early GIC initialisation code Jon Hunter
2016-05-12 15:19 ` [PATCH V4 6/9] irqchip/gic: Add helper function for chip initialisation Jon Hunter
2016-05-12 15:19 ` [PATCH V4 7/9] irqchip/gic: Prepare for adding platform driver Jon Hunter
2016-06-04 10:06 ` Marc Zyngier
2016-06-06 8:24 ` Jon Hunter
2016-05-12 15:19 ` [PATCH V4 8/9] dt-bindings: arm-gic: Add documentation for Tegra210 AGIC Jon Hunter
2016-05-16 16:05 ` Rob Herring [this message]
2016-05-12 15:19 ` [PATCH V4 9/9] irqchip/gic: Add platform driver for non-root GICs that require RPM Jon Hunter
2016-06-04 10:10 ` Marc Zyngier
2016-06-06 8:26 ` Jon Hunter
2016-05-20 9:07 ` [PATCH V4 0/9] Add support for Tegra210 AGIC Jon Hunter
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