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Mon, 02 Nov 2026 01:07:32 -0800 (PST) Received: from cypher.home.roving-it.com ([2001:8b0:fb11:0:3889:86e0:d449:e2e1]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4abf5b27e46sm417879945e9.3.2026.11.02.01.07.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2026 01:07:31 -0800 (PST) From: Peter Robinson To: Florian Fainelli , Dave Stevenson , Ray Jui , Scott Branden , Vinod Koul , Frank Li , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com Cc: Peter Robinson Subject: [PATCH 8/9] arm64: dts: broadcom: bcm2712: Add DMA controllers Date: Mon, 2 Nov 2026 09:06:58 +0000 Message-ID: <20261102090713.896324-9-pbrobinson@gmail.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261102090713.896324-1-pbrobinson@gmail.com> References: <20261102090713.896324-1-pbrobinson@gmail.com> X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Describe the BCM2712 legacy DMA channels (0-5) and the DMA4 channels (6-11) as separate nodes, both disabled for boards to enable. Node labels follow the Raspberry Pi downstream tree. Signed-off-by: Peter Robinson --- arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 40 +++++++++++++++++++++++ 1 file changed, 40 insertions(+) diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi index edae2f3584a8d..be4e94c9e7695 100644 --- a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi @@ -546,6 +546,46 @@ axi: axi { <0x18 0x00000000 0x18 0x00000000 0x04 0x00000000>, <0x1c 0x00000000 0x1c 0x00000000 0x04 0x00000000>; + dma32: dma-controller@1000010000 { + compatible = "brcm,bcm2712-dma"; + reg = <0x10 0x00010000 0x0 0x600>; + interrupts = , + , + , + , + , + ; + interrupt-names = "dma0", + "dma1", + "dma2", + "dma3", + "dma4", + "dma5"; + #dma-cells = <1>; + brcm,dma-channel-mask = <0x0035>; + status = "disabled"; + }; + + dma40: dma-controller@1000010600 { + compatible = "brcm,bcm2712-dma"; + reg = <0x10 0x00010600 0x0 0x600>; + interrupts = , /* dma4 6 */ + , /* dma4 7 */ + , /* dma4 8 */ + , /* dma4 9 */ + , /* dma4 10 */ + ; /* dma4 11 */ + interrupt-names = "dma6", + "dma7", + "dma8", + "dma9", + "dma10", + "dma11"; + #dma-cells = <1>; + brcm,dma-channel-mask = <0x0fc0>; + status = "disabled"; + }; + pcie0: pcie@1000100000 { compatible = "brcm,bcm2712-pcie"; reg = <0x10 0x00100000 0x00 0x9310>; -- 2.56.0