在 2022-04-22星期五的 18:49 -0500，Samuel Holland写道： > On 4/22/22 10:56 AM, icenowy@xxxxxxxxxxx wrote: > > From: Icenowy Zheng <icenowy@xxxxxxx> > > > > Allwinner R329 SPI has two controllers, and the second one has > > helper > > functions for MIPI-DBI Type C. > > > > Add compatible strings for these controllers > > > > Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx> > > --- > > .../devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml | > > 2 ++ > > 1 file changed, 2 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun6i- > > a31-spi.yaml > > b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31- > > spi.yaml > > index ca4c95345a49..6354635241fc 100644 > > --- a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31- > > spi.yaml > > +++ b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31- > > spi.yaml > > @@ -21,6 +21,8 @@ properties: > > oneOf: > > - const: allwinner,sun6i-a31-spi > > - const: allwinner,sun8i-h3-spi > > + - const: allwinner,sun50i-r329-spi > > + - const: allwinner,sun50i-r329-spi-dbi > > As far as I'm aware, the SPI portion of the DBI controller is > register-compatible with the regular SPI controller. So I would > expect using > that as a fallback compatible for the DBI variant. This sounds reasonable. > > Regards, > Samuel > > > - items: > > - enum: > > - allwinner,sun8i-r40-spi > > >
