linux-kernel - Re: [PATCH v6 4/4] riscv: dts: starfive: add dma controller node

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Date:   Sun, 2 Jul 2023 00:01:29 +0200
From:   Aurelien Jarno <aurelien@...el32.net>
To:     Walker Chen <walker.chen@...rfivetech.com>
Cc:     Eugeniy Paltsev <Eugeniy.Paltsev@...opsys.com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Emil Renner Berthing <emil.renner.berthing@...onical.com>,
        dmaengine@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org
Subject: Re: [PATCH v6 4/4] riscv: dts: starfive: add dma controller node

On 2023-03-22 17:48, Walker Chen wrote:
> Add the dma controller node for the Starfive JH7110 SoC.
> 
> Reviewed-by: Emil Renner Berthing <emil.renner.berthing@...onical.com>
> Signed-off-by: Walker Chen <walker.chen@...rfivetech.com>
> ---
>  arch/riscv/boot/dts/starfive/jh7110.dtsi | 18 ++++++++++++++++++
>  1 file changed, 18 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> index 17220576b21c..b503b6137743 100644
> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
> @@ -510,6 +510,24 @@
>  			#gpio-cells = <2>;
>  		};
>  
> +		dma: dma-controller@...50000 {
> +			compatible = "starfive,jh7110-axi-dma";
> +			reg = <0x0 0x16050000 0x0 0x10000>;
> +			clocks = <&stgcrg JH7110_STGCLK_DMA1P_AXI>,
> +				 <&stgcrg JH7110_STGCLK_DMA1P_AHB>;
> +			clock-names = "core-clk", "cfgr-clk";
> +			resets = <&stgcrg JH7110_STGRST_DMA1P_AXI>,
> +				 <&stgcrg JH7110_STGRST_DMA1P_AHB>;
> +			interrupts = <73>;
> +			#dma-cells = <1>;
> +			dma-channels = <4>;
> +			snps,dma-masters = <1>;
> +			snps,data-width = <3>;
> +			snps,block-size = <65536 65536 65536 65536>;
> +			snps,priority = <0 1 2 3>;
> +			snps,axi-max-burst-len = <16>;
> +		};
> +
>  		aoncrg: clock-controller@...00000 {
>  			compatible = "starfive,jh7110-aoncrg";
>  			reg = <0x0 0x17000000 0x0 0x10000>;

It appears that this patch has never been applied, although the rest of
the series has already been merged. Unfortunately it doesn't apply
anymore due to other changes to that file.

Could you please rebase and repost it?

-- 
Aurelien Jarno                          GPG: 4096R/1DDD8C9B
aurelien@...el32.net                     http://aurel32.net