linux-kernel - Re: [PATCH v2 1/8] dt-bindings: Add a binding for Mediatek Video Processor

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Message-ID: <20151211172143.GA14623@rob-hp-laptop>
Date:	Fri, 11 Dec 2015 11:21:43 -0600
From:	Rob Herring <robh@...nel.org>
To:	Tiffany Lin <tiffany.lin@...iatek.com>
Cc:	daniel.thompson@...aro.org, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Daniel Kurtz <djkurtz@...omium.org>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Sakari Ailus <sakari.ailus@....fi>,
	Mikhail Ulyanov <mikhail.ulyanov@...entembedded.com>,
	Fabien Dessenne <fabien.dessenne@...com>,
	Arnd Bergmann <arnd@...db.de>,
	Darren Etheridge <detheridge@...com>,
	Peter Griffin <peter.griffin@...aro.org>,
	Benoit Parrot <bparrot@...com>,
	Andrew-CT Chen <andrew-ct.chen@...iatek.com>,
	Eddie Huang <eddie.huang@...iatek.com>,
	Yingjoe Chen <yingjoe.chen@...iatek.com>,
	James Liao <jamesjj.liao@...iatek.com>,
	Hongzhou Yang <hongzhou.yang@...iatek.com>,
	Daniel Hsiao <daniel.hsiao@...iatek.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
	linux-mediatek@...ts.infradead.org, PoChun.Lin@...iatek.com
Subject: Re: [PATCH v2 1/8] dt-bindings: Add a binding for Mediatek Video
 Processor

On Fri, Dec 11, 2015 at 05:55:36PM +0800, Tiffany Lin wrote:
> From: Andrew-CT Chen <andrew-ct.chen@...iatek.com>
> 
> Add a DT binding documentation of Video Processor Unit for the
> MT8173 SoC from Mediatek.
> 
> Signed-off-by: Andrew-CT Chen <andrew-ct.chen@...iatek.com>
> Signed-off-by: Tiffany Lin <tiffany.lin@...iatek.com>

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

> ---
>  .../devicetree/bindings/media/mediatek-vpu.txt     |   27 ++++++++++++++++++++
>  1 file changed, 27 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/media/mediatek-vpu.txt
> 
> diff --git a/Documentation/devicetree/bindings/media/mediatek-vpu.txt b/Documentation/devicetree/bindings/media/mediatek-vpu.txt
> new file mode 100644
> index 0000000..3c3a424
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/media/mediatek-vpu.txt
> @@ -0,0 +1,27 @@
> +* Mediatek Video Processor Unit
> +
> +Video Processor Unit is a HW video controller. It controls HW Codec including
> +H.264/VP8/VP9 Decode, H.264/VP8 Encode and Image Processor (scale/rotate/color convert).
> +
> +Required properties:
> +  - compatible: "mediatek,mt8173-vpu"
> +  - reg: Must contain an entry for each entry in reg-names.
> +  - reg-names: Must include the following entries:
> +    "tcm": tcm base
> +    "cfg_reg": Main configuration registers base
> +  - interrupts: interrupt number to the cpu.
> +  - clocks : clock name from clock manager
> +  - clock-names: must be main. It is the main clock of VPU
> +  - iommus : phandle and IOMMU spcifier for the IOMMU that serves the VPU.
> +
> +Example:
> +	vpu: vpu@...20000 {
> +		compatible = "mediatek,mt8173-vpu";
> +		reg = <0 0x10020000 0 0x30000>,
> +		      <0 0x10050000 0 0x100>;
> +		reg-names = "tcm", "cfg_reg";
> +		interrupts = <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&topckgen TOP_SCP_SEL>;
> +		clock-names = "main";
> +		iommus = <&iommu M4U_PORT_VENC_RCPU>;
> +	};
> -- 
> 1.7.9.5
> 
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