linux-kernel - Re: [PATCH v4 04/11] drm: sun4i: Add DT bindings documentation

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Date:	Wed, 27 Apr 2016 21:37:30 -0500
From:	Rob Herring <robh@...nel.org>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:	Mike Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...eaurora.org>,
	David Airlie <airlied@...ux.ie>, Chen-Yu Tsai <wens@...e.org>,
	Daniel Vetter <daniel@...ll.ch>,
	Hans de Goede <hdegoede@...hat.com>,
	devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linux-sunxi@...glegroups.com, dri-devel@...ts.freedesktop.org,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Alexander Kaplan <alex@...tthing.co>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v4 04/11] drm: sun4i: Add DT bindings documentation

On Mon, Apr 25, 2016 at 03:22:45PM +0200, Maxime Ripard wrote:
> The display pipeline of the Allwinner A10 is involving several loosely
> coupled components.
> 
> Add a documentation for the bindings.
> 
> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> ---
>  .../bindings/display/sunxi/sun4i-drm.txt           | 258 +++++++++++++++++++++
>  1 file changed, 258 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt

> +The display engine pipeline (and its entry point, since it can be
> +either directly the backend or the frontend) is represented as an
> +extra node.
> +
> +Required properties:
> +  - compatible: value must be one of:
> +    * allwinner,sun5i-a13-display-engine
> +
> +  - allwinner,pipelines: list of phandle to the display engine
> +    frontends available.


> +display-engine {
> +	compatible = "allwinner,sun5i-a13-display-engine";
> +	pipelines = <&fe0>;

Missing allwinner prefix.

Otherwise,

Acked-by: Rob Herring <robh@...nel.org>