linux-kernel - Re: [PATCH RFC 01/10] dt-bindings: gpu: Add PowerVR Series5 SGX GPUs

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Date:   Tue, 5 Dec 2023 09:56:57 +0200
From:   Tony Lindgren <tony@...mide.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Andrew Davis <afd@...com>, Frank Binns <frank.binns@...tec.com>,
        Donald Robson <donald.robson@...tec.com>,
        Matt Coster <matt.coster@...tec.com>,
        "H . Nikolaus Schaller" <hns@...delico.com>,
        Adam Ford <aford173@...il.com>,
        Ivaylo Dimitrov <ivo.g.dimitrov.75@...il.com>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Samuel Holland <samuel@...lland.org>,
        Benoît Cousson <bcousson@...libre.com>,
        Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-sunxi@...ts.linux.dev, linux-omap@...r.kernel.org,
        linux-mips@...r.kernel.org
Subject: Re: [PATCH RFC 01/10] dt-bindings: gpu: Add PowerVR Series5 SGX GPUs

* Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> [231205 07:10]:
> On 04/12/2023 19:22, Andrew Davis wrote:
> > @@ -56,6 +76,43 @@ allOf:
> >        properties:
> >          clocks:
> >            maxItems: 1
> > +      required:
> > +        - clocks
> > +        - clock-names
> 
> You need to define the clocks for your variants or disallow them. The
> original code should be fixed as well and make the clocks fixed for all
> img-axe cases.

To clarify, the clocks may be optional as they can be hardwired and coming
from the interconnect target wrapper module and enabled with runtime PM.

Regards,

Tony