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Date: Sun, 1 Nov 2015 08:28:59 -0600 From: Rob Herring <robh@...nel.org> To: Thierry Reding <thierry.reding@...il.com> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>, Mike Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...eaurora.org>, David Airlie <airlied@...ux.ie>, "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, linux-clk@...r.kernel.org, dri-devel <dri-devel@...ts.freedesktop.org>, linux-sunxi <linux-sunxi@...glegroups.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Chen-Yu Tsai <wens@...e.org>, Hans de Goede <hdegoede@...hat.com>, Alexander Kaplan <alex@...tthing.co>, Wynter Woods <wynter@...tthing.co>, Boris Brezillon <boris.brezillon@...e-electrons.com>, Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>, Rob Clark <robdclark@...il.com>, Daniel Vetter <daniel@...ll.ch> Subject: Re: [PATCH 09/19] drm: sun4i: Add DT bindings documentation On Fri, Oct 30, 2015 at 12:37 PM, Thierry Reding <thierry.reding@...il.com> wrote: > On Fri, Oct 30, 2015 at 11:40:03AM -0500, Rob Herring wrote: >> On Fri, Oct 30, 2015 at 9:20 AM, Maxime Ripard > [...] >> > +Optional properties: >> > + - allwinner,tv-encoder: phandle to the TV Encoder in our pipeline >> > + - allwinner,panel: phandle to the panel used in our RGB interface >> >> Use of-graph please. > > Why? Panels are a really simple resource and a simple phandle is fully > capable of describing the relationship. So we can have some consistency in bindings and common parsing code. It is simple when it is just a panel, but when it can be tv-encoder or other board level downstream bridge devices it doesn't stay so simple. Also, we already have a simple way to do panels which is as a child node. Let's not have a third way. Rob -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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