Messages in this thread | | | Subject | Re: [PATCH v2 1/3] doc: dt: add documentation for Mediatek spi-nor controller | From | Rob Herring <> | Date | Mon, 21 Sep 2015 08:52:02 -0500 |
| |
On 09/18/2015 01:58 AM, Bayi Cheng wrote: > Add device tree binding documentation for serial flash with > Mediatek serial flash controller > > Signed-off-by: Bayi Cheng <bayi.cheng@mediatek.com> > --- > .../devicetree/bindings/mtd/mtk_quadspi.txt | 27 ++++++++++++++++++++++ > 1 file changed, 27 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mtd/mtk_quadspi.txt > > diff --git a/Documentation/devicetree/bindings/mtd/mtk_quadspi.txt b/Documentation/devicetree/bindings/mtd/mtk_quadspi.txt > new file mode 100644 > index 0000000..380b907 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mtd/mtk_quadspi.txt > @@ -0,0 +1,27 @@ > +* MTD SPI nor driver for MTK MT81xx (and similar) serial flash controller > + > +Required properties: > +- compatible: should be "mediatek,mt8173-nor"; > +- reg: physical base address and length of the controller's register > +- clocks: the phandle of the clock needed by the QuadSPI controller
QuadSPI?
Please document number of clocks and their use/function.
> +- clock-names: the name of the clocks > + See Documentation/devicetree/bindings/clock/clock-bindings.txt for details. > +- #address-cells: should be <1> > +- #size-cells: should be <0> > + > +Example: > + > +nor_flash: spi@1100d000 { > + compatible = "mediatek,mt8173-nor"; > + reg = <0 0x1100d000 0 0xe0>; > + clocks = <&pericfg CLK_PERI_SPI>, > + <&topckgen CLK_TOP_SPINFI_IFR_SEL>; > + clock-names = "spi", "sf"; > + #address-cells = <1>; > + #size-cells = <0>; > + > + flash@0 { > + .... > + }; > +}; > + >
| |