linux-kernel - Re: [PATCH v7 01/12] dt-bindings: add img,pvrsgx.yaml for Imagination GPUs

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Message-Id: <DD3BF759-4F3D-4147-9A80-DB6C18B13400@goldelico.com>
Date:   Fri, 15 May 2020 09:59:36 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Rob Herring <robh@...nel.org>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paulburton@...nel.org>,
        James Hogan <jhogan@...nel.org>, Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Jonathan Bakker <xc-racer2@...e.ca>,
        Philipp Rossak <embed3d@...il.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        openpvrsgx-devgroup@...ux.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com, linux-mips@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v7 01/12] dt-bindings: add img,pvrsgx.yaml for Imagination GPUs


> Am 05.05.2020 um 17:53 schrieb Rob Herring <robh@...nel.org>:
> 
> On Fri, Apr 24, 2020 at 10:34:04PM +0200, H. Nikolaus Schaller wrote:
>> The Imagination PVR/SGX GPU is part of several SoC from
>> multiple vendors, e.g. TI OMAP, Ingenic JZ4780, Intel Poulsbo,
>> Allwinner A83 and others.
>> 
>> With this binding, we describe how the SGX processor is
>> interfaced to the SoC (registers and interrupt).
>> 
>> The interface also consists of clocks, reset, power but
>> information from data sheets is vague and some SoC integrators
>> (TI) deciced to use a PRCM wrapper (ti,sysc) which does
>> all clock, reset and power-management through registers
>> outside of the sgx register block.
>> 
>> Therefore all these properties are optional.
>> 
>> Tested by make dt_binding_check
>> 
>> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
>> ---
>> .../devicetree/bindings/gpu/img,pvrsgx.yaml   | 150 ++++++++++++++++++
>> 1 file changed, 150 insertions(+)
>> +    oneOf:
>> +      - description: SGX530-121 based SoC
>> +        items:
>> +          - enum:
>> +            - ti,omap3-sgx530-121 # BeagleBoard A/B/C, OpenPandora 600MHz and similar
> 
> Should be indented 2 more here and elsewhere where you have a list 
> under a list.

added for patch v8 series.

BR and thanks,
Nikolaus