On 07/05/2023 06:06, Icenowy Zheng wrote: > 在 2023-05-07星期日的 02:26 +0300,Maksim Kiselev写道: >> Listed above Allwinner SoCs has two SPI controllers. First is the >> regular >> SPI controller and the second one has additional functionality for >> MIPI-DBI Type C. >> >> Add compatible strings for these controllers >> >> Signed-off-by: Maksim Kiselev <bigunclemax@xxxxxxxxx> >> --- >> .../devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml | 7 >> +++++++ >> 1 file changed, 7 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun6i- >> a31-spi.yaml b/Documentation/devicetree/bindings/spi/allwinner,sun6i- >> a31-spi.yaml >> index de36c6a34a0f..807dde457e3b 100644 >> --- a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31- >> spi.yaml >> +++ b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31- >> spi.yaml >> @@ -21,6 +21,7 @@ properties: >> oneOf: >> - const: allwinner,sun6i-a31-spi >> - const: allwinner,sun8i-h3-spi >> + - const: allwinner,sun50i-r329-spi >> - items: >> - enum: >> - allwinner,sun8i-r40-spi >> @@ -28,6 +29,12 @@ properties: >> - allwinner,sun50i-h616-spi >> - allwinner,suniv-f1c100s-spi >> - const: allwinner,sun8i-h3-spi >> + - items: >> + - enum: >> + - allwinner,sun20i-d1-spi >> + - allwinner,sun20i-d1-spi-dbi > > In this case I will prefer to list all 4 compatibles if backward > compatibility is used: > "allwinner,sun20i-d1-spi-dbi", "allwinner-sun20i-d1-spi", > "allwinner,sun50i-r329-spi-dbi", "allwinner, sun50i-r329-spi", in case > if we were gaining support for either quirks of D1 controller or > SPI_DBI controllers. > I don't understand. If I see correctly, all four of them are specified. Best regards, Krzysztof