From mboxrd@z Thu Jan 1 00:00:00 1970 From: r.sricharan@ti.com (Sricharan R) Date: Mon, 11 Nov 2013 21:36:16 +0530 Subject: [PATCH V2 2/2] ARM: dts: doc: Document missing binding for ti-sdma controller In-Reply-To: <1384185976-17822-1-git-send-email-r.sricharan@ti.com> References: <1384185976-17822-1-git-send-email-r.sricharan@ti.com> Message-ID: <1384185976-17822-2-git-send-email-r.sricharan@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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. Signed-off-by: Sricharan R --- [V2] Fixed comments from Rob Herring 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..2e0a6d8 --- /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 at 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