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

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Date:   Thu, 5 Jan 2023 08:38:36 -0600
From:   Samuel Holland <samuel@...lland.org>
To:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>
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 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.

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>;
>> -- 
>> 2.37.4
>>
>