Hi,
On Thu, Jan 16, 2020 at 12:56:54AM +0000, Andre Przywara wrote:
> The Allwinner H6 SPI controller has advanced features over the H3
> version, but remains compatible with it.
> Document the usual "specific", "fallback" compatible string pair.
> Also add the R40 version while at it.
>
> Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
> ---
> .../devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml | 12 +++++++++---
> 1 file changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
> index f36c46d236d7..c19dfbe42d90 100644
> --- a/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
> +++ b/Documentation/devicetree/bindings/spi/allwinner,sun6i-a31-spi.yaml
> @@ -18,9 +18,15 @@ properties:
> "#size-cells": true
>
> compatible:
> - enum:
> - - allwinner,sun6i-a31-spi
> - - allwinner,sun8i-h3-spi
> + oneOf:
> + - const: allwinner,sun6i-a31-spi
> + - const: allwinner,sun8i-h3-spi
> + - items:
> + - const: allwinner,sun8i-r40-spi
> + - const: allwinner,sun8i-h3-spi
> + - items:
> + - const: allwinner,sun50i-h6-spi
> + - const: allwinner,sun8i-h3-spi
Having
oneOf:
- const: allwinner,sun6i-a31-spi
- const: allwinner,sun8i-h3-spi
- items:
- enum:
- allwinner,sun8i-r40-spi
- allwinner,sun50i-h6-spi
- const: allwinner,sun8i-h3-spi
Will be easier to maintain in the long run
Maxime
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