From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sricharan R Subject: [PATCH 2/2] ARM: dts: doc: Document missing binding for ti-sdma controller Date: Fri, 8 Nov 2013 16:08:49 +0530 Message-ID: <1383907129-7325-2-git-send-email-r.sricharan@ti.com> References: <1383907129-7325-1-git-send-email-r.sricharan@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1383907129-7325-1-git-send-email-r.sricharan@ti.com> Sender: linux-omap-owner@vger.kernel.org To: linux-omap@vger.kernel.org, linux-doc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Cc: bcousson@baylibre.com, santosh.shilimkar@ti.com, r.sricharan@ti.com List-Id: devicetree@vger.kernel.org The binding and support for system DMA module present in OMAP2+ Socs and DRA7 with dma-engine is already present. So adding the missing documentation for the same. Cc: Benoit Cousson Signed-off-by: Sricharan R --- Documentation/devicetree/bindings/dma/ti-sdma.txt | 28 +++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/ti-sdma.txt diff --git a/Documentation/devicetree/bindings/dma/ti-sdma.txt b/Documentation/devicetree/bindings/dma/ti-sdma.txt new file mode 100644 index 0000000..7fb2342 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/ti-sdma.txt @@ -0,0 +1,28 @@ +TI SDMA + +Required Properties: +- compatible : Should be "ti,omap2420-sdma", "ti,omap2430-sdma" for OMAP2 + Should be "ti,omap3430-sdma", "ti,omap3630-sdma" for OMAP3 + Should be "ti,omap4430-sdma" for OMAP4, OMAP5 and DRA7 +- reg: Memory map for accessing module +- interrupts: Interrupt request number from the dma controller to + interrupt controller +- dma-cells: Should be set to <1> +- dma-channels: Total number of logical DMA channels supported by the + controller +- dma-requests: Total number of dma request signals supported by the + controller + +Example: + +sdma: dma-controller@48056000 { + compatible = "ti,omap4430-sdma"; + reg = <0x48056000 0x1000>; + interrupts = <12>, + <13>, + <14>, + <15>; + #dma-cells = <1>; + #dma-channels = <32>; + #dma-requests = <64>; +}; -- 1.7.9.5