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Stavinskii" Cc: dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, sophgo@lists.linux.dev, linux-riscv@lists.infradead.org, Yixun Lan Subject: [PATCH v6 2/2] riscv: dts: sophgo: cv180x: Allow the DMA multiplexer to set channel number for DMA controller Date: Mon, 11 May 2026 14:38:17 +0800 Message-ID: <20260511063818.463877-3-inochiama@gmail.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260511063818.463877-1-inochiama@gmail.com> References: <20260511063818.463877-1-inochiama@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Change the DMA controller compatible to the sophgo,cv1800b-axi-dma, which supports setting DMA channel number in DMA phandle args. This dts change does not break backward compatibility as a fallback compatiable string is added. 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 Tested-by: Anton D. Stavinskii --- 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 06b0ce5a2db7..ecafdee79ac8 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", "snps,axi-dma-1.01a"; reg = <0x04330000 0x1000>; interrupts = ; clocks = <&clk CLK_SDMA_AXI>, <&clk CLK_SDMA_AXI>; -- 2.54.0