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From: Rob Herring <robh@kernel.org>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>,
	Mike Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@codeaurora.org>,
	David Airlie <airlied@linux.ie>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	linux-clk@vger.kernel.org,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linux-sunxi <linux-sunxi@googlegroups.com>,
	Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Chen-Yu Tsai <wens@csie.org>, Hans de Goede <hdegoede@redhat.com>,
	Alexander Kaplan <alex@nextthing.co>,
	Wynter Woods <wynter@nextthing.co>,
	Boris Brezillon <boris.brezillon@free-electrons.com>,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Rob Clark <robdclark@gmail.com>, Daniel Vetter <daniel@ffwll.ch>
Subject: Re: [PATCH 09/19] drm: sun4i: Add DT bindings documentation
Date: Sun, 1 Nov 2015 08:28:59 -0600	[thread overview]
Message-ID: <CAL_Jsq+viBYCzw_YvVu0zVbPFb8r42+ma-wBcw1bbyOKUTaEYg@mail.gmail.com> (raw)
In-Reply-To: <20151030173738.GD17183@ulmo.nvidia.com>

On Fri, Oct 30, 2015 at 12:37 PM, Thierry Reding
<thierry.reding@gmail.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

WARNING: multiple messages have this Message-ID (diff)
From: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Maxime Ripard
	<maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Mike Turquette
	<mturquette-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>,
	Stephen Boyd <sboyd-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
	David Airlie <airlied-cv59FeDIM0c@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	dri-devel
	<dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
	linux-sunxi <linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>,
	Laurent Pinchart
	<laurent.pinchart-ryLnwIuWjnjg/C1BVhZhaw@public.gmane.org>,
	Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
	Hans de Goede <hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>,
	Alexander Kaplan <alex-MflLfwwFzuz+yO7R74ARew@public.gmane.org>,
	Wynter Woods <wynter-MflLfwwFzuz+yO7R74ARew@public.gmane.org>,
	Boris Brezillon
	<boris.brezillon-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Thomas Petazzoni
	<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
	Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	Daniel Vetter <daniel-/w4YWyX8dFk@public.gmane.org>
Subject: Re: [PATCH 09/19] drm: sun4i: Add DT bindings documentation
Date: Sun, 1 Nov 2015 08:28:59 -0600	[thread overview]
Message-ID: <CAL_Jsq+viBYCzw_YvVu0zVbPFb8r42+ma-wBcw1bbyOKUTaEYg@mail.gmail.com> (raw)
In-Reply-To: <20151030173738.GD17183-AwZRO8vwLAwmlAP/+Wk3EA@public.gmane.org>

On Fri, Oct 30, 2015 at 12:37 PM, Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 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

WARNING: multiple messages have this Message-ID (diff)
From: robh@kernel.org (Rob Herring)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 09/19] drm: sun4i: Add DT bindings documentation
Date: Sun, 1 Nov 2015 08:28:59 -0600	[thread overview]
Message-ID: <CAL_Jsq+viBYCzw_YvVu0zVbPFb8r42+ma-wBcw1bbyOKUTaEYg@mail.gmail.com> (raw)
In-Reply-To: <20151030173738.GD17183@ulmo.nvidia.com>

On Fri, Oct 30, 2015 at 12:37 PM, Thierry Reding
<thierry.reding@gmail.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

  reply	other threads:[~2015-11-01 14:29 UTC|newest]

Thread overview: 167+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-30 14:20 [PATCH 00/19] drm: Add Allwinner A10 display engine support Maxime Ripard
2015-10-30 14:20 ` Maxime Ripard
2015-10-30 14:20 ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 01/19] clk: sunxi: Add display clock Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 21:29   ` Stephen Boyd
2015-10-30 21:29     ` Stephen Boyd
2015-11-06 23:39     ` Maxime Ripard
2015-11-06 23:39       ` Maxime Ripard
2015-11-06 23:39       ` Maxime Ripard
2015-11-12 20:31       ` Stephen Boyd
2015-11-12 20:31         ` Stephen Boyd
2015-11-19 15:42         ` Maxime Ripard
2015-11-19 15:42           ` Maxime Ripard
2015-11-19 15:42           ` Maxime Ripard
2015-10-31 10:28   ` Chen-Yu Tsai
2015-10-31 10:28     ` Chen-Yu Tsai
2015-10-31 10:28     ` Chen-Yu Tsai
2015-11-06 19:42     ` Maxime Ripard
2015-11-06 19:42       ` Maxime Ripard
2015-11-06 19:42       ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 02/19] clk: sunxi: Add PLL3 clock Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 21:32   ` Stephen Boyd
2015-10-30 21:32     ` Stephen Boyd
2015-10-30 21:32     ` Stephen Boyd
2015-10-30 14:20 ` [PATCH 03/19] clk: sunxi: Add TCON channel0 clock Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-31 10:19   ` Chen-Yu Tsai
2015-10-31 10:19     ` Chen-Yu Tsai
2015-11-06 22:11     ` Maxime Ripard
2015-11-06 22:11       ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 04/19] clk: sunxi: Add TCON channel1 clock Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 21:37   ` Stephen Boyd
2015-10-30 21:37     ` Stephen Boyd
2015-11-07  0:11     ` Maxime Ripard
2015-11-07  0:11       ` Maxime Ripard
2015-11-07  0:11       ` Maxime Ripard
2015-10-31  9:53   ` Chen-Yu Tsai
2015-10-31  9:53     ` Chen-Yu Tsai
2015-10-31  9:53     ` Chen-Yu Tsai
2015-11-07  0:01     ` Maxime Ripard
2015-11-07  0:01       ` Maxime Ripard
2015-11-07  0:01       ` Maxime Ripard
2015-11-09  3:36       ` Chen-Yu Tsai
2015-11-09  3:36         ` Chen-Yu Tsai
2015-11-09  3:36         ` Chen-Yu Tsai
2015-11-19 15:35         ` Maxime Ripard
2015-11-19 15:35           ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 05/19] clk: sunxi: add DRAM gates Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-11-09  4:18   ` Chen-Yu Tsai
2015-11-09  4:18     ` Chen-Yu Tsai
2015-11-09  4:18     ` Chen-Yu Tsai
2015-11-13  8:08     ` Chen-Yu Tsai
2015-11-13  8:08       ` Chen-Yu Tsai
2015-11-13  8:08       ` Chen-Yu Tsai
2015-11-19 15:43       ` Maxime Ripard
2015-11-19 15:43         ` Maxime Ripard
2015-11-19 15:43         ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 06/19] clk: sunxi: Add Allwinner R8 AHB gates support Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 16:01   ` Chen-Yu Tsai
2015-10-30 16:01     ` Chen-Yu Tsai
2015-10-30 16:01     ` Chen-Yu Tsai
2015-10-30 16:33     ` Hans de Goede
2015-10-30 16:33       ` Hans de Goede
2015-10-30 16:33       ` Hans de Goede
2015-10-30 14:20 ` [PATCH 07/19] drm/panel: simple: Add timings for the Olimex LCD-OLinuXino-4.3TS Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 17:32   ` Thierry Reding
2015-10-30 17:32     ` Thierry Reding
2015-10-30 17:32     ` Thierry Reding
2015-11-07  0:44     ` Maxime Ripard
2015-11-07  0:44       ` Maxime Ripard
2015-11-07  0:44       ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 08/19] drm: Add Allwinner A10 Display Engine support Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:44   ` Daniel Vetter
2015-10-30 14:44     ` Daniel Vetter
2015-11-11 22:14     ` Maxime Ripard
2015-11-11 22:14       ` Maxime Ripard
2015-11-11 22:14       ` Maxime Ripard
2015-11-16 15:04       ` Daniel Vetter
2015-11-16 15:04         ` Daniel Vetter
2015-11-16 15:04         ` Daniel Vetter
2015-10-30 14:20 ` [PATCH 09/19] drm: sun4i: Add DT bindings documentation Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 16:40   ` Rob Herring
2015-10-30 16:40     ` Rob Herring
2015-10-30 16:40     ` Rob Herring
2015-10-30 17:37     ` Thierry Reding
2015-10-30 17:37       ` Thierry Reding
2015-10-30 17:37       ` Thierry Reding
2015-10-30 17:37       ` Thierry Reding
2015-11-01 14:28       ` Rob Herring [this message]
2015-11-01 14:28         ` Rob Herring
2015-11-01 14:28         ` Rob Herring
2015-11-01 14:28         ` Rob Herring
2015-11-06 22:32     ` Maxime Ripard
2015-11-06 22:32       ` Maxime Ripard
2015-11-06 22:32       ` Maxime Ripard
2015-11-06 22:32       ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 10/19] drm: sun4i: Add RGB output Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 11/19] drm: sun4i: Add composite output Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-11-02  2:53   ` [linux-sunxi] " Jonathan Liu
2015-11-02  2:53     ` Jonathan Liu
2015-11-02  2:53     ` Jonathan Liu
2015-11-07  0:35     ` [linux-sunxi] " Maxime Ripard
2015-11-07  0:35       ` Maxime Ripard
2015-11-07  0:35       ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 12/19] drm: sun4i: tv: Add PAL output standard Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20 ` [PATCH 13/19] drm: sun4i: tv: Add NTSC " Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:20   ` Maxime Ripard
2015-10-30 14:21 ` [PATCH 14/19] ARM: sun5i: dt: Add pll3 and pll7 clocks Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-11-09  4:24   ` Chen-Yu Tsai
2015-11-09  4:24     ` Chen-Yu Tsai
2015-11-09  4:24     ` Chen-Yu Tsai
2015-10-30 14:21 ` [PATCH 15/19] ARM: sun5i: dt: Add display and TCON clocks Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21 ` [PATCH 16/19] ARM: sun5i: dt: Add DRAM gates Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21 ` [PATCH 17/19] ARM: sun5i: dt: Add display blocks to the DTSI Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21 ` [PATCH 18/19] ARM: sun5i: r8: Add AHB gates " Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21 ` [PATCH 19/19] ARM: sun5i: chip: Enable the TV Encoder Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 14:21   ` Maxime Ripard
2015-10-30 15:20   ` Chen-Yu Tsai
2015-10-30 15:20     ` Chen-Yu Tsai
2015-11-06 19:37     ` Maxime Ripard
2015-11-06 19:37       ` Maxime Ripard
2015-11-06 19:37       ` Maxime Ripard
2015-10-30 14:52 ` [PATCH 00/19] drm: Add Allwinner A10 display engine support Daniel Vetter
2015-10-30 14:52   ` Daniel Vetter
2015-10-30 14:52   ` Daniel Vetter
2015-11-12  5:12   ` Maxime Ripard
2015-11-12  5:12     ` Maxime Ripard
2015-11-12  5:12     ` Maxime Ripard
2015-10-30 15:02 ` Stefan Monnier
2015-11-09  3:43 ` Chen-Yu Tsai
2015-11-09  3:43   ` Chen-Yu Tsai
2015-11-09  3:43   ` Chen-Yu Tsai

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