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[24.166.64.7]) by mx.google.com with ESMTPS id x7sm14244186igk.8.2012.10.18.06.25.54 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 18 Oct 2012 06:25:55 -0700 (PDT) From: Matt Porter To: Tony Lindgren , Sekhar Nori , Grant Likely , Mark Brown , Benoit Cousson , Russell King , Vinod Koul , Rob Landley , Chris Ball Subject: [RFC PATCH v3 07/16] dmaengine: edma: Add TI EDMA device tree binding Date: Thu, 18 Oct 2012 09:26:46 -0400 Message-ID: <1350566815-409-8-git-send-email-mporter@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1350566815-409-1-git-send-email-mporter@ti.com> References: <1350566815-409-1-git-send-email-mporter@ti.com> X-pstn-neptune: 0/0/0.00/0 X-pstn-levels: (S:99.90000/99.90000 CV:99.9000 FC:95.5390 LC:95.5390 R:95.9108 P:95.9108 M:97.0282 C:98.6951 ) X-pstn-dkim: 1 skipped:not-enabled X-pstn-settings: 2 (0.5000:0.0050) s cv GT3 gt2 gt1 r p m c X-pstn-addresses: from [82/3] CC: Linux DaVinci Kernel List , Arnd Bergmann , Linux Documentation List , Devicetree Discuss , Linux MMC List , Linux Kernel Mailing List , Rob Herring , Dan Williams , Linux SPI Devel List , Linux OMAP List , Linux ARM Kernel List X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com The binding definition is based on the generic DMA controller binding. Signed-off-by: Matt Porter --- Documentation/devicetree/bindings/dma/ti-edma.txt | 51 +++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/ti-edma.txt diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt new file mode 100644 index 0000000..3344345 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt @@ -0,0 +1,51 @@ +TI EDMA + +Required properties: +- compatible : "ti,edma3" +- ti,hwmods: Name of the hwmods associated to the EDMA +- ti,edma-regions: Number of regions +- ti,edma-slots: Number of slots +- ti,edma-queue-tc-map: List of transfer control to queue mappings +- ti,edma-queue-priority-map: List of queue priority mappings +- ti,edma-default-queue: Default queue value + +Optional properties: +- ti,edma-reserved-channels: List of reserved channel regions +- ti,edma-reserved-slots: List of reserved slot regions +- ti,edma-xbar-event-map: Crossbar event to channel map + +Example: + +edma: edma@49000000 { + #address-cells = <1>; + #size-cells = <0>; + reg = <0x49000000 0x10000>; + interrupt-parent = <&intc>; + interrupts = <12 13 14>; + compatible = "ti,edma3"; + ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2"; + #dma-cells = <1>; + dma-channels = <64>; + ti,edma-regions = <4>; + ti,edma-slots = <256>; + ti,edma-reserved-channels = <0 2 + 14 2 + 26 6 + 48 4 + 56 8>; + ti,edma-reserved-slots = <0 2 + 14 2 + 26 6 + 48 4 + 56 8 + 64 127>; + ti,edma-queue-tc-map = <0 0 + 1 1 + 2 2>; + ti,edma-queue-priority-map = <0 0 + 1 1 + 2 2>; + ti,edma-default-queue = <0>; + ti,edma-xbar-event-map = <1 12 + 2 13>; +};