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SubjectRe: [PATCH v3 4/6] dt-bindings: net: sun7i-gmac: Add syscon support
On Thu, Apr 30, 2020 at 02:57:00PM +0300, Priit Laes wrote:
> Now that driver supports syscon-based regmap access, document also the
> devicetree binding.
>
> Signed-off-by: Priit Laes <plaes@plaes.org>
> ---
> .../bindings/net/allwinner,sun7i-a20-gmac.yaml | 15 +++++++++++++--
> 1 file changed, 13 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml b/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml
> index 703d0d886884..c41d7c598c19 100644
> --- a/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml
> +++ b/Documentation/devicetree/bindings/net/allwinner,sun7i-a20-gmac.yaml
> @@ -29,17 +29,26 @@ properties:
> clocks:
> items:
> - description: GMAC main clock
> +
> + # Deprecated
> - description: TX clock
>
> clock-names:
> items:
> - const: stmmaceth
> +
> + # Deprecated
> - const: allwinner_gmac_tx

That would be deprecated: true

Also, you still require to have two clocks here?

>
> phy-supply:
> description:
> PHY regulator
>
> + syscon:
> + $ref: /schemas/types.yaml#definitions/phandle
> + description:
> + Phandle to the device containing the GMAC clock register
> +
> required:
> - compatible
> - reg
> @@ -48,6 +57,7 @@ required:
> - clocks
> - clock-names
> - phy-mode
> + - syscon

You can't do that though, this changes the binding in a non-backward compatible
way

I guess you could add an if clause to require it if clocks has a single member.

Maxime
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