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[211.20.114.70]) by smtp.googlemail.com with ESMTPSA id i21-v6sm20998554pgj.55.2018.10.16.21.08.17 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 16 Oct 2018 21:08:20 -0700 (PDT) From: "sudheer.v" To: Vinod Koul , Rob Herring , Mark Rutland , Greg Kroah-Hartman , Joel Stanley , Andrew Jeffery , Russell King , Dan Williams , Jiri Slaby , Thomas Gleixner , Marc Zyngier , Benjamin Herrenschmidt , Christian Borntraeger , Michael Moese , Hendrik Brueckner , Kate Stewart , Philippe Ombredanne , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org Subject: [[PATCH] 4/9] Documentation-DTbindings-DMA-controller-of-AST2500 Date: Wed, 17 Oct 2018 09:41:01 +0530 Message-Id: <1539749466-3912-5-git-send-email-open.sudheer@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1539749466-3912-1-git-send-email-open.sudheer@gmail.com> References: <1539749466-3912-1-git-send-email-open.sudheer@gmail.com> X-Mailman-Approved-At: Wed, 17 Oct 2018 15:09:29 +1100 X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ShivahShankar Shakarnarayan rao , "sudheer.v" , Sudheer V Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" Signed-off-by: sudheer.v --- .../devicetree/bindings/dma/ast-uart-sdma.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/ast-uart-sdma.txt diff --git a/Documentation/devicetree/bindings/dma/ast-uart-sdma.txt b/Documentation/devicetree/bindings/dma/ast-uart-sdma.txt new file mode 100644 index 0000000..e770df2 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/ast-uart-sdma.txt @@ -0,0 +1,23 @@ +* Aspeed Direct Memory Access (DMA) Controller for AST25XX + + +* DMA controller + +Required properties: +- compatible : Should be "aspeed,ast-uart-sdma" +- reg : Should contain SDMA registers location and length +- interrupts : Should contain SDMA interrupt +- dma-channels: number of DMA channels in DMA controller + +Optional properties: + +Example + ast_uart_sdma: uart_sdma@1e79e000 { + compatible = "aspeed,ast-uart-sdma"; + reg = <0x1e79e000 0x400>; + interrupts = <50>; + #dma-cells = <1>; + dma-channels = <8>; + status = "disabled"; + }; +