linux-kernel - Re: [PATCH v5 1/5] dt-bindings: gpu: add bindings for the ARM Mali Midgard GPU

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Date:   Mon, 8 May 2017 11:18:34 -0500
From:   Rob Herring <robh@...nel.org>
To:     Guillaume Tucker <guillaume.tucker@...labora.com>
Cc:     Mark Rutland <mark.rutland@....com>,
        Heiko Stübner <heiko@...ech.de>,
        Neil Armstrong <narmstrong@...libre.com>,
        Sjoerd Simons <sjoerd.simons@...labora.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        John Reitan <john.reitan@....com>,
        Wookey <wookey@...kware.org>, devicetree@...r.kernel.org,
        linux-rockchip@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/5] dt-bindings: gpu: add bindings for the ARM Mali
 Midgard GPU

On Wed, May 03, 2017 at 10:56:25AM +0100, Guillaume Tucker wrote:
> The ARM Mali Midgard GPU family is present in a number of SoCs
> from many different vendors such as Samsung Exynos and Rockchip.
> 
> Import the device tree bindings documentation from the r16p0
> release of the Mali Midgard GPU kernel driver:
> 
>   https://developer.arm.com/-/media/Files/downloads/mali-drivers/kernel/mali-midgard-gpu/TX011-SW-99002-r16p0-00rel0.tgz
> 
> Remove the copyright and GPL licence header as deemed not necessary.
> 
> Redesign the "compatible" property strings to list all the Mali
> Midgard GPU types and add vendor specific ones.
> 
> Drop the "clock-names" property as the Mali Midgard GPU uses only one
> clock (the driver now needs to call clk_get with NULL).
> 
> Convert the "interrupt-names" property values to lower-case: "job",
> "mmu" and "gpu".
> 
> Replace the deprecated "operating-points" optional property with
> "operating-points-v2".
> 
> Omit the following optional properties in this initial version as they
> are only used in very specific cases:
> 
>   * snoop_enable_smc
>   * snoop_disable_smc
>   * jm_config
>   * power_model
>   * system-coherency
>   * ipa-model
> 
> Update the example accordingly to reflect all these changes, based on
> rk3288 mali-t760.
> 
> CC: John Reitan <john.reitan@....com>
> Tested-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> Signed-off-by: Guillaume Tucker <guillaume.tucker@...labora.com>
> ---
>  .../devicetree/bindings/gpu/arm,mali-midgard.txt   | 86 ++++++++++++++++++++++
>  1 file changed, 86 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt

Reviewed-by: Rob Herring <robh@...nel.org>