On Fri, 2022-02-11 at 10:55 -0600, Rob Herring wrote: > On Wed, Feb 09, 2022 at 07:19:33PM +0800, Leilk Liu wrote: > > This commit adds dt-binding documentation for > > Mediatek SPI IPM IP with single mode. > > > > Signed-off-by: Leilk Liu <leilk.liu@xxxxxxxxxxxx> > > --- > > Documentation/devicetree/bindings/spi/mediatek,spi-mt65xx.yaml | 1 > > + > > 1 file changed, 1 insertion(+) > > > > diff --git a/Documentation/devicetree/bindings/spi/mediatek,spi- > > mt65xx.yaml b/Documentation/devicetree/bindings/spi/mediatek,spi- > > mt65xx.yaml > > index bfa44acb1bdd..0a2fc0404cb3 100644 > > --- a/Documentation/devicetree/bindings/spi/mediatek,spi- > > mt65xx.yaml > > +++ b/Documentation/devicetree/bindings/spi/mediatek,spi- > > mt65xx.yaml > > @@ -41,6 +41,7 @@ properties: > > - mediatek,mt8135-spi > > - mediatek,mt8173-spi > > - mediatek,mt8183-spi > > + - mediatek,ipm-spi-single > > Is IPM an SoC? Compatible strings should be SoC specific or whatever > granularity could have a unique errata. > IPM is an version of SPI ip, we use this IP with ICs now. So I define a compatible strings "mediatek,ipm-spi-single", then I can reuse this compatible strings with many ICs. > Rob