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

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Message-ID: <4767366.GXAFRqVoOG@jernej-laptop>
Date:   Thu, 05 Jan 2023 17:21:58 +0100
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Samuel Holland <samuel@...lland.org>
Cc:     Chen-Yu Tsai <wens@...e.org>,
        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

Dne četrtek, 05. januar 2023 ob 15:38:36 CET je Samuel Holland napisal(a):
> Hi Paul,
> 
> On 1/5/23 04:11, Paul Kocialkowski wrote:
> > 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.
> 
> Yes, it does. All of the power domains are enabled by default. However,
> if the PPU series is merged first, I will respin this to include the
> power-domains property from the beginning.

I would rather see that merged before and having complete node right away.

I've been away, but I'll merge everything that's ready for sunxi tree until 
end of the weekend.

Best regards,
Jernej

> 
> Regards,
> Samuel
> 
> >> 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>;