On Mon, May 15, 2017 at 02:59:26PM +0800, [email protected] wrote: > From: Sean Wang <[email protected]> > > Document the devicetree bindings for Mediatek High-Speed DMA controller > which could be found on MT7623 SoC or other similar Mediatek SoCs. > > Signed-off-by: Sean Wang <[email protected]> > --- > .../devicetree/bindings/dma/mtk-hsdma.txt | 30 > ++++++++++++++++++++++ > 1 file changed, 30 insertions(+) > create mode 100644 Documentation/devicetree/bindings/dma/mtk-hsdma.txt > > diff --git a/Documentation/devicetree/bindings/dma/mtk-hsdma.txt > b/Documentation/devicetree/bindings/dma/mtk-hsdma.txt > new file mode 100644 > index 0000000..62cdda4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/mtk-hsdma.txt > @@ -0,0 +1,30 @@ > +Mediatek High-Speed DMA Controller > +================================== > + > +This driver follows the generic DMA bindings defined in dma/dma.txt. > + > +Required properties: > + > +- compatible: Must be one of > + "mediatek,mt7623-hsdma". > +- reg: Should contain the register's base address and length. > +- interrupts: Should contain a reference to the interrupt used by this > + device. > +- clocks: Should be the clock specifiers corresponding to the entry in > + clock-names property. > +- clock-names: Should contain "hsdma" entries. > +- #dma-cells: The length of the DMA specifier, must be <1>. This one > cell > + in dmas property of a client device represents the channel > + number. > +Example: > + > + hsdma: hsdma@1b007000 {
dma-controller@... > + compatible = "mediatek,mt7623-hsdma"; > + reg = <0 0x1b007000 0 0x1000>; > + interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_LOW>; > + clocks = <ðsys CLK_ETHSYS_HSDMA>; > + clock-names = "hsdma"; > + status = "okay"; Don't need to show status in examples. With those, Acked-by: Rob Herring <[email protected]>
