From: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
To: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>
Cc: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org,
Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>,
Jernej Skrabec <jernej.skrabec-gGgVlfcn5nU@public.gmane.org>,
Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 2/2] dt-bindings: gpu: add Allwinner H6 Mali Midgard binding
Date: Mon, 3 Dec 2018 13:42:07 +0100 [thread overview]
Message-ID: <20181203124207.qqasvbio67u7bhvz@flea> (raw)
In-Reply-To: <11894938.HOUtrQJeEF@phil>
[-- Attachment #1: Type: text/plain, Size: 1002 bytes --]
On Mon, Dec 03, 2018 at 01:25:21PM +0100, Heiko Stuebner wrote:
> > - reg : Physical base address of the device and length of the register area.
> >
> > @@ -44,6 +45,18 @@ Optional properties:
> > for details.
> >
> >
> > +Vendor-specific bindings
> > +------------------------
> > +
> > +The Mali GPU is integrated very differently from one SoC to
> > +another. In order to accomodate those differences, you have the option
> > +to specify one more vendor-specific compatible, among:
> > +
> > + - allwinner,sun50i-h6-mali
> > + Required properties:
> > + * resets: phandle to the reset line for the GPU
>
> While this paragraph is similar to how it is done in Utgard, I'm
> wondering why we cannot just describe the "resets" as regular
> optional property above that.
Because it's not really optional, it's mandatory on some platforms
(like this one) and has no significance on others.
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
next prev parent reply other threads:[~2018-12-03 12:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-27 7:42 [PATCH 1/2] dt-bindings: gpu: add bus clock for Mali Midgard GPUs Icenowy Zheng
2018-11-27 7:42 ` [PATCH 2/2] dt-bindings: gpu: add Allwinner H6 Mali Midgard binding Icenowy Zheng
2018-12-03 12:25 ` Heiko Stuebner
2018-12-03 12:42 ` Maxime Ripard [this message]
2018-12-11 17:04 ` Rob Herring
[not found] ` <20181127074249.15204-2-icenowy-h8G6r0blFSE@public.gmane.org>
2018-12-11 22:11 ` Rob Herring
[not found] ` <20181127074249.15204-1-icenowy-h8G6r0blFSE@public.gmane.org>
2018-12-02 13:46 ` [PATCH 1/2] dt-bindings: gpu: add bus clock for Mali Midgard GPUs Icenowy Zheng
2018-12-11 22:09 ` Rob Herring
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