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Sun, 08 Jun 2025 16:29:59 -0700 (PDT) Received: from localhost ([2001:da8:7001:11::cb]) by smtp.gmail.com with UTF8SMTPSA id d75a77b69052e-4a61114ff23sm48697571cf.15.2025.06.08.16.29.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Jun 2025 16:29:58 -0700 (PDT) From: Inochi Amaoto To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Chen Wang , Inochi Amaoto , Richard Cochran , Longbin Li Cc: Han Gao , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, sophgo@lists.linux.dev, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Yixun Lan Subject: [PATCH 05/11] riscv: dts: sophgo: sg2044: add DMA controller device Date: Mon, 9 Jun 2025 07:28:29 +0800 Message-ID: <20250608232836.784737-6-inochiama@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250608232836.784737-1-inochiama@gmail.com> References: <20250608232836.784737-1-inochiama@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The DMA controller of SG2044 is a standard Synopsys IP, which is already supported by the kernel. Add DMA controller DT node for SG2044. Signed-off-by: Inochi Amaoto --- arch/riscv/boot/dts/sophgo/sg2044.dtsi | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2044.dtsi b/arch/riscv/boot/dts/sophgo/sg2044.dtsi index a25cbb78913d..a4d2f8a13cc3 100644 --- a/arch/riscv/boot/dts/sophgo/sg2044.dtsi +++ b/arch/riscv/boot/dts/sophgo/sg2044.dtsi @@ -31,6 +31,26 @@ soc { #size-cells = <2>; ranges; + dmac0: dma-controller@7020000000 { + compatible = "snps,axi-dma-1.01a"; + reg = <0x70 0x20000000 0x0 0x10000>; + #dma-cells = <1>; + clock-names = "core-clk", "cfgr-clk"; + clocks = <&clk CLK_GATE_SYSDMA_AXI>, + <&clk CLK_GATE_SYSDMA_AXI>; + dma-noncoherent; + interrupt-parent = <&intc>; + interrupts = <36 IRQ_TYPE_LEVEL_HIGH>; + dma-channels = <8>; + snps,priority = <0 1 2 3 4 5 6 7>; + snps,block-size = <4096 4096 4096 4096 + 4096 4096 4096 4096>; + snps,dma-masters = <2>; + snps,data-width = <2>; + snps,axi-max-burst-len = <4>; + status = "disabled"; + }; + uart0: serial@7030000000 { compatible = "sophgo,sg2044-uart", "snps,dw-apb-uart"; reg = <0x70 0x30000000 0x0 0x1000>; -- 2.49.0