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Stavinskii" , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev, Yixun Lan Subject: Re: [PATCH v2 3/3] riscv: dts: sophgo: cv180x: Allow the DMA multiplexer to set channel number for DMA controller Message-ID: References: <20251214224601.598358-1-inochiama@gmail.com> <20251214224601.598358-4-inochiama@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, Jan 16, 2026 at 10:42:54AM -0500, Frank Li wrote: > On Mon, Dec 15, 2025 at 06:46:00AM +0800, Inochi Amaoto wrote: > > Change the DMA controller compatible to the sophgo,cv1800b-axi-dma, > > which supports setting DMA channel number in DMA phandle args. > > > Does it need update DMA comsumer? > > Frank Not needed, this is handle by the dmamux driver, it is allocate and configure the DMA channel dynamicly. Regards, Inochi > > > > Fixes: 514951a81a5e ("riscv: dts: sophgo: cv18xx: add DMA controller") > > Reported-by: Anton D. Stavinskii > > Closes: https://github.com/sophgo/linux/issues/9 > > Signed-off-by: Inochi Amaoto > > --- > > arch/riscv/boot/dts/sophgo/cv180x.dtsi | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi > > index 1b2b1969a648..e1b515b46466 100644 > > --- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi > > +++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi > > @@ -417,7 +417,7 @@ sdhci1: mmc@4320000 { > > }; > > > > dmac: dma-controller@4330000 { > > - compatible = "snps,axi-dma-1.01a"; > > + compatible = "sophgo,cv1800b-axi-dma"; > > reg = <0x04330000 0x1000>; > > interrupts = ; > > clocks = <&clk CLK_SDMA_AXI>, <&clk CLK_SDMA_AXI>; > > -- > > 2.52.0 > >