[PATCH 1/7] dmaengine: st_fdma: Add STMicroelectronics FDMA DT binding documentation
From: Vinod Koul <hidden>
Date: 2015-08-19 15:05:14
Also in:
linux-devicetree, lkml
On Wed, Jul 08, 2015 at 05:11:22PM +0100, Peter Griffin wrote:
quoted hunk ↗ jump to hunk
This patch adds the DT binding documentation for the FDMA constroller found on STi based chipsets from STMicroelectronics. Signed-off-by: Ludovic Barre <redacted> Signed-off-by: Peter Griffin <peter.griffin@linaro.org> --- Documentation/devicetree/bindings/dma/st_fdma.txt | 76 +++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/st_fdma.txtdiff --git a/Documentation/devicetree/bindings/dma/st_fdma.txt b/Documentation/devicetree/bindings/dma/st_fdma.txt new file mode 100644 index 0000000..1ec7470 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/st_fdma.txt@@ -0,0 +1,76 @@ +* STMicroelectronics Flexible Direct Memory Access Device Tree bindings + +The FDMA is a general-purpose direct memory access controller capable of +supporting 16 independent DMA channels. It accepts up to 32 DMA requests. +The FDMA is based on a Slim processor which require a firmware. + +* FDMA Controller + +Required properties: +- compatible : Should be "st,fdma_mpe31" +- reg : Should contain DMA registers location and length +- interrupts : Should contain one interrupt shared by all channel
s/channel/channels
+- dma-channels : Number of channels supported by the controller +- #dma-cells : Must be <3>.
any reason three? -- ~Vinod