From: Chen-Yu Tsai <wens@csie.org>
To: Icenowy Zheng <icenowy@aosc.io>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>,
Rob Herring <robh+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
linux-clk <linux-clk@vger.kernel.org>,
devicetree <devicetree@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
dri-devel <dri-devel@lists.freedesktop.org>,
linux-sunxi <linux-sunxi@googlegroups.com>
Subject: Re: [linux-sunxi] [PATCH v6 03/13] dt-bindings: add bindings for DE2 on V3s SoC
Date: Fri, 5 May 2017 11:24:26 +0800 [thread overview]
Message-ID: <CAGb2v660QfMGrP=HuJQ4oVbCaU_gtNzogo-pbK7WQ2UNiQ7BYA@mail.gmail.com> (raw)
In-Reply-To: <20170504114858.9008-4-icenowy@aosc.io>
On Thu, May 4, 2017 at 7:48 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
> Allwinner V3s SoC have a display engine which have a different pipeline
> with older SoCs.
>
> Add document for it (new compatibles and the new "mixer" part).
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> Acked-by: Rob Herring <robh@kernel.org>
> ---
> Changes in v4:
> - Removed the refactor at TCON chapter.
> Changes in v3:
> - Remove the description of having a BE directly as allwinner,pipeline.
>
> .../bindings/display/sunxi/sun4i-drm.txt | 29 ++++++++++++++++++++--
> 1 file changed, 27 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> index 7acdbf14ae1c..33452884b96e 100644
> --- a/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> +++ b/Documentation/devicetree/bindings/display/sunxi/sun4i-drm.txt
> @@ -41,6 +41,7 @@ Required properties:
> * allwinner,sun6i-a31-tcon
> * allwinner,sun6i-a31s-tcon
> * allwinner,sun8i-a33-tcon
> + * allwinner,sun8i-v3s-tcon
> - reg: base address and size of memory-mapped region
> - interrupts: interrupt associated to this IP
> - clocks: phandles to the clocks feeding the TCON. Three are needed:
> @@ -62,7 +63,7 @@ Required properties:
> second the block connected to the TCON channel 1 (usually the TV
> encoder)
>
> -On SoCs other than the A33, there is one more clock required:
> +On SoCs other than the A33 and V3s, there is one more clock required:
> - 'tcon-ch1': The clock driving the TCON channel 1
>
> DRC
> @@ -148,6 +149,26 @@ Required properties:
> Documentation/devicetree/bindings/media/video-interfaces.txt. The
> first port should be the input endpoints, the second one the outputs
>
> +Display Engine 2.0 Mixer
> +------------------------
> +
> +The DE2 mixer have many functionalities, currently only layer blending is
> +supported.
> +
> +Required properties:
> + - compatible: value must be one of:
> + * allwinner,sun8i-v3s-de2-mixer
> + - reg: base address and size of the memory-mapped region.
> + - clocks: phandles to the clocks feeding the frontend and backend
> + * bus: the backend interface clock
> + * ram: the backend DRAM clock
You probably mean "mixer" here.
> + - clock-names: the clock names mentioned above
> + - resets: phandles to the reset controllers driving the backend
And here.
> +
> +- ports: A ports node with endpoint definitions as defined in
> + Documentation/devicetree/bindings/media/video-interfaces.txt. The
> + first port should be the input endpoints, the second one the output
> +
>
> Display Engine Pipeline
> -----------------------
> @@ -162,9 +183,13 @@ Required properties:
> * allwinner,sun6i-a31-display-engine
> * allwinner,sun6i-a31s-display-engine
> * allwinner,sun8i-a33-display-engine
> + * allwinner,sun8i-v3s-display-engine
>
> - allwinner,pipelines: list of phandle to the display engine
> - frontends available.
> + pipeline entry point. For SoCs with original DE (currently
> + all SoCs supported by display engine except V3s), this
> + phandle should be a display frontend; for SoCs with DE2,
> + this phandle should be a mixer.
You could simplify this to "list of phandles to the display
engine frontends (DE 1.0) or mixers (DE 2.0) available".
Regards
ChenYu
>
> Example:
>
> --
> 2.12.2
>
> --
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next prev parent reply other threads:[~2017-05-05 3:24 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-04 11:48 [PATCH v6 00/13] Initial Allwinner Display Engine 2.0 Support Icenowy Zheng
2017-05-04 11:48 ` [PATCH v6 01/13] dt-bindings: add binding for the Allwinner DE2 CCU Icenowy Zheng
2017-05-04 11:48 ` [PATCH v6 02/13] clk: sunxi-ng: add support for " Icenowy Zheng
2017-05-04 12:50 ` Maxime Ripard
2017-05-04 11:48 ` [PATCH v6 03/13] dt-bindings: add bindings for DE2 on V3s SoC Icenowy Zheng
2017-05-05 3:24 ` Chen-Yu Tsai [this message]
2017-05-04 11:48 ` [PATCH v6 04/13] drm/sun4i: return only planes for layers created Icenowy Zheng
2017-05-04 11:48 ` [PATCH v6 05/13] drm/sun4i: abstract a engine type Icenowy Zheng
2017-05-05 2:56 ` [linux-sunxi] " Chen-Yu Tsai
2017-05-05 8:36 ` icenowy
2017-05-05 8:38 ` Chen-Yu Tsai
2017-05-04 11:48 ` [PATCH v6 06/13] drm/sun4i: add a dedicated module for sun4i-backend and sun4i-layer Icenowy Zheng
2017-05-05 3:10 ` [linux-sunxi] " Chen-Yu Tsai
2017-05-04 11:48 ` [PATCH v6 07/13] drm/sun4i: add a Kconfig option for sun4i-backend Icenowy Zheng
2017-05-05 3:14 ` [linux-sunxi] " Chen-Yu Tsai
2017-05-04 11:48 ` [PATCH v6 08/13] drm/sun4i: add support for Allwinner DE2 mixers Icenowy Zheng
2017-05-04 13:05 ` Maxime Ripard
2017-05-04 16:50 ` icenowy
2017-05-04 16:57 ` icenowy
2017-05-04 17:14 ` icenowy
2017-05-05 12:36 ` Maxime Ripard
2017-05-05 12:39 ` Icenowy Zheng
2017-05-09 20:19 ` Maxime Ripard
2017-05-04 16:52 ` icenowy
2017-05-05 3:40 ` [linux-sunxi] " Chen-Yu Tsai
2017-05-04 11:48 ` [PATCH v6 09/13] drm/sun4i: Add compatible string for V3s display engine Icenowy Zheng
2017-05-04 11:48 ` [PATCH v6 10/13] drm/sun4i: tcon: add support for V3s TCON Icenowy Zheng
2017-05-05 3:33 ` [linux-sunxi] " Chen-Yu Tsai
2017-05-04 11:48 ` [PATCH v6 11/13] ARM: dts: sun8i: add DE2 nodes for V3s SoC Icenowy Zheng
2017-05-05 3:31 ` [linux-sunxi] " Chen-Yu Tsai
2017-05-05 8:53 ` icenowy
2017-05-05 12:30 ` Maxime Ripard
2017-05-05 12:34 ` Icenowy Zheng
2017-05-09 19:26 ` Maxime Ripard
2017-05-04 11:48 ` [PATCH v6 12/13] ARM: dts: sun8i: add pinmux for LCD pins of " Icenowy Zheng
2017-05-05 3:25 ` [linux-sunxi] " Chen-Yu Tsai
2017-05-04 11:48 ` [PATCH v6 13/13] [DO NOT MERGE] ARM: dts: sun8i: enable LCD panel of Lichee Pi Zero Icenowy Zheng
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