linux-kernel - Re: [PATCH v8 04/11] ARM: dts: r7s72100: Add Capture Engine Unit (CEU)

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Message-ID: <567f779c-591c-4798-a8d0-504d25c439de@cogentembedded.com>
Date:   Wed, 31 Jan 2018 11:07:44 +0300
From:   Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To:     Jacopo Mondi <jacopo+renesas@...ndi.org>,
        laurent.pinchart@...asonboard.com, magnus.damm@...il.com,
        geert@...der.be, hverkuil@...all.nl, mchehab@...nel.org,
        festevam@...il.com, sakari.ailus@....fi, robh+dt@...nel.org,
        mark.rutland@....com, pombredanne@...b.com
Cc:     linux-renesas-soc@...r.kernel.org, linux-media@...r.kernel.org,
        linux-sh@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 04/11] ARM: dts: r7s72100: Add Capture Engine Unit
 (CEU)

Hello!

On 1/30/2018 12:58 PM, Jacopo Mondi wrote:

> Add Capture Engine Unit (CEU) node to device tree.
> 
> Signed-off-by: Jacopo Mondi <jacopo+renesas@...ndi.org>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Acked-by: Hans Verkuil <hans.verkuil@...co.com>
> ---
>   arch/arm/boot/dts/r7s72100.dtsi | 15 ++++++++++++---
>   1 file changed, 12 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/r7s72100.dtsi b/arch/arm/boot/dts/r7s72100.dtsi
> index ab9645a..5fe62f9 100644
> --- a/arch/arm/boot/dts/r7s72100.dtsi
> +++ b/arch/arm/boot/dts/r7s72100.dtsi
[...]
> @@ -667,4 +667,13 @@
>   		power-domains = <&cpg_clocks>;
>   		status = "disabled";
>   	};
> +
> +	ceu: ceu@...10000 {

    The DT spec dictates the generic node names should be used. For the R-Car 
VIN we use "video@...", hence I suggest that use the same here.

> +		reg = <0xe8210000 0x3000>;
> +		compatible = "renesas,r7s72100-ceu";
> +		interrupts = <GIC_SPI 332 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&mstp6_clks R7S72100_CLK_CEU>;
> +		power-domains = <&cpg_clocks>;
> +		status = "disabled";
> +	};
>   };

MBR, Sergei