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Fri, 20 Feb 2026 11:44:30 -0800 (PST) From: Max Hsu Date: Sat, 21 Feb 2026 03:43:57 +0800 Subject: [PATCH 5/5] riscv: dts: sifive: fu740: add PDMA device node Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260221-pdma-v1-5-838d929c2326@sifive.com> References: <20260221-pdma-v1-0-838d929c2326@sifive.com> In-Reply-To: <20260221-pdma-v1-0-838d929c2326@sifive.com> To: Paul Walmsley , Samuel Holland , Vinod Koul , Frank Li , Green Wan , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Palmer Debbelt , Conor Dooley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: linux-riscv@lists.infradead.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Paul Walmsley , devicetree@vger.kernel.org, Max Hsu X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1057; i=max.hsu@sifive.com; h=from:subject:message-id; bh=lDR4hwKAnZx7jEioVJrSlzqGnc79ShiEsvnMpfk7hIc=; b=owEB7QES/pANAwAKAdID/Z0HeUC9AcsmYgBpmLl7WJN+KlGhaQDsDQuRh2UU1WfdgPf5OXwRa svTz8p0n+uJAbMEAAEKAB0WIQTqXmcbOhS2KZE9X2jSA/2dB3lAvQUCaZi5ewAKCRDSA/2dB3lA vbM0DAC+ZD2Mg/GWBwIyC/TlvwOiFOFQKy4esK8Dgt7GVcHUUoFwIEAyxbMsk2vMABjwkDseaQA JyDYZmK5sGPB3JK2U39FMzpY/+Zd3Dz7ZfHl2jnzKc++Dbw/1wXnU84mvIueSLfUNY1fKlqGUIX LUg7/2YfBSYRyYfE47D2MsCpLN8F6GHtPnj4GHJqH2uNkvl2dbM9b5eLkXeSYkG3DHnOQZzv3Ud vabdRYU8MyuvDpgrn14qt3NNxOSA2sb/DvXMJpVebiTyLQEi6N5jyW2NXk82YeqS2ORQMgtixxd ZRg/8RVFk1WRcE58fSEjd2fLoeiqVTQqCgPv3/5np+c5WPyZMn24rEC1xK2u2cITJsx7SzRGkRk YSrL1akXMVO1xgvz9D1JQVW4hiNMNfAL5T6ScMh42motZmukkGI9R7TnfsJmPe4mAkk7CuvOY+H ab2MadPqZA3xZ4njdWv4716jypgzPesD26uWEGpwrmw2DGXV47yWdPP+VA+bZ3PKQbw1Y= X-Developer-Key: i=max.hsu@sifive.com; a=openpgp; fpr=EA5E671B3A14B629913D5F68D203FD9D077940BD The FU740 SoC includes a 4-channel Platform DMA (PDMA) controller. Add the device node to enable DMA support. Signed-off-by: Max Hsu --- arch/riscv/boot/dts/sifive/fu740-c000.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi b/arch/riscv/boot/d= ts/sifive/fu740-c000.dtsi index 6150f3397bff..30d0d6837c57 100644 --- a/arch/riscv/boot/dts/sifive/fu740-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu740-c000.dtsi @@ -329,6 +329,15 @@ gpio: gpio@10060000 { clocks =3D <&prci FU740_PRCI_CLK_PCLK>; status =3D "disabled"; }; + dma: dma-controller@3000000 { + compatible =3D "sifive,fu740-c000-pdma", "sifive,pdma0"; + reg =3D <0x0 0x3000000 0x0 0x100000>; + interrupt-parent =3D <&plic0>; + interrupts =3D <11>, <12>, <13>, <14>, <15>, <16>, <17>, <18>; + dma-channels =3D <4>; + clocks =3D <&prci FU740_PRCI_CLK_PCLK>; + #dma-cells =3D <1>; + }; pcie@e00000000 { compatible =3D "sifive,fu740-pcie"; #address-cells =3D <3>; --=20 2.43.0