linux-kernel - Re: [PATCH v6 08/12] arm: dts: s5pv210: Add G3D node

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Date:   Thu, 16 Apr 2020 10:50:49 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Jonathan Bakker <xc-racer2@...e.ca>
Cc:     "H. Nikolaus Schaller" <hns@...delico.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        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>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Philipp Rossak <embed3d@...il.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        "linux-kernel@...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" 
        <linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH v6 08/12] arm: dts: s5pv210: Add G3D node

On Wed, Apr 15, 2020 at 11:17:16AM -0700, Jonathan Bakker wrote:
 
> >>
> >>> +
> >>> +                       assigned-clocks = <&clocks MOUT_G3D>, <&clocks DOUT_G3D>;
> >>> +                       assigned-clock-rates = <0>, <66700000>;
> >>> +                       assigned-clock-parents = <&clocks MOUT_MPLL>;
> >>
> >> Probably this should have status disabled because you do not set
> >> regulator supply.
> 
> I don't believe there is a regulator on s5pv210, if there is, then it is a
> fixed regulator with no control on both s5pv210 devices that I have.
> 
> The vendor driver did use the regulator framework for its power domain
> implementation, but that definitely shouldn't be upstreamed.

Starting with Exynos4210 usually they have separate regulator from PMIC
but maybe S5Pv210 indeed is different.  Leave it then without it.

Best regards,
Krzysztof