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[111.241.170.106]) by smtp.gmail.com with ESMTPSA id y36sm9504752pgk.66.2019.10.28.00.58.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Oct 2019 00:58:31 -0700 (PDT) From: Green Wan To: Subject: [PATCH v5 1/4] dt-bindings: dmaengine: sf-pdma: add bindins for SiFive PDMA Date: Mon, 28 Oct 2019 15:56:20 +0800 Message-Id: <20191028075658.12143-2-green.wan@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20191028075658.12143-1-green.wan@sifive.com> References: <20191028075658.12143-1-green.wan@sifive.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191028_005832_752185_903981E0 X-CRM114-Status: GOOD ( 12.30 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Albert Ou , Greg Kroah-Hartman , Palmer Dabbelt , Yash Shah , Green Wan , Bin Meng , dmaengine@vger.kernel.org, Vinod Koul , Rob Herring , Sagar Kadam , Jonathan Cameron , Paul Walmsley , Mauro Carvalho Chehab , Dan Williams , "Paul E. McKenney" , linux-riscv@lists.infradead.org, "David S. Miller" , linux-kernel@vger.kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org Add DT bindings document for Platform DMA(PDMA) driver of board, HiFive Unleashed Rev A00. Reviewed-by: Rob Herring Reviewed-by: Pragnesh Patel Signed-off-by: Green Wan --- .../bindings/dma/sifive,fu540-c000-pdma.yaml | 55 +++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml diff --git a/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml b/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml new file mode 100644 index 000000000000..2ca3ddbe1ff4 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/sifive,fu540-c000-pdma.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/sifive,fu540-c000-pdma.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SiFive Unleashed Rev C000 Platform DMA + +maintainers: + - Green Wan + - Palmer Debbelt + - Paul Walmsley + +description: | + Platform DMA is a DMA engine of SiFive Unleashed. It supports 4 + channels. Each channel has 2 interrupts. One is for DMA done and + the other is for DME error. + + In different SoC, DMA could be attached to different IRQ line. + DT file need to be changed to meet the difference. For technical + doc, + + https://static.dev.sifive.com/FU540-C000-v1.0.pdf + +properties: + compatible: + items: + - const: sifive,fu540-c000-pdma + + reg: + maxItems: 1 + + interrupts: + minItems: 1 + maxItems: 8 + + '#dma-cells': + const: 1 + +required: + - compatible + - reg + - interrupts + - '#dma-cells' + +examples: + - | + dma@3000000 { + compatible = "sifive,fu540-c000-pdma"; + reg = <0x0 0x3000000 0x0 0x8000>; + interrupts = <23 24 25 26 27 28 29 30>; + #dma-cells = <1>; + }; + +... base-commit: d6d5df1db6e9d7f8f76d2911707f7d5877251b02 -- 2.17.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv