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

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Date:   Mon, 3 Jul 2023 09:35:47 +0800
From:   Walker Chen <walker.chen@...rfivetech.com>
To:     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 2023/7/2 6:01, Aurelien Jarno wrote:
> 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?
> 
Of course I will repost it, but this depends on whether the stg clock is merged.

Regards,
Walker