linux-kernel - Re: [PATCH 4/4] riscv: dts: allwinner: d1: Add video engine node

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Message-ID: <Y7aiZdjI8L5h1Ca3@aptenodytes>
Date:   Thu, 5 Jan 2023 11:11:49 +0100
From:   Paul Kocialkowski <paul.kocialkowski@...tlin.com>
To:     Samuel Holland <samuel@...lland.org>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Albert Ou <aou@...s.berkeley.edu>,
        Conor Dooley <conor@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Maxime Ripard <mripard@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-staging@...ts.linux.dev,
        linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH 4/4] riscv: dts: allwinner: d1: Add video engine node

Hi Samuel,

On Sat 31 Dec 22, 10:46, Samuel Holland wrote:
> D1 contains a video engine which is supported by the Cedrus driver.

Does it work "outside the box" without power domain management?
If not, it might be a bit confusing to add the node at this point.

Cheers,

Paul
 
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
> 
>  arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> index dff363a3c934..4bd374279155 100644
> --- a/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> +++ b/arch/riscv/boot/dts/allwinner/sunxi-d1s-t113.dtsi
> @@ -34,6 +34,17 @@ soc {
>  		#address-cells = <1>;
>  		#size-cells = <1>;
>  
> +		ve: video-codec@...e000 {
> +			compatible = "allwinner,sun20i-d1-video-engine";
> +			reg = <0x1c0e000 0x2000>;
> +			interrupts = <SOC_PERIPHERAL_IRQ(66) IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&ccu CLK_BUS_VE>,
> +				 <&ccu CLK_VE>,
> +				 <&ccu CLK_MBUS_VE>;
> +			clock-names = "ahb", "mod", "ram";
> +			resets = <&ccu RST_BUS_VE>;
> +		};
> +
>  		pio: pinctrl@...0000 {
>  			compatible = "allwinner,sun20i-d1-pinctrl";
>  			reg = <0x2000000 0x800>;
> -- 
> 2.37.4
> 

-- 
Paul Kocialkowski, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com

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