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    SubjectRe: [PATCH RFC v2 1/5] dt-bindings: net: dwmac-meson: use picoseconds for the RGMII RX delay
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    On 11/15/20 10:52 AM, Martin Blumenstingl wrote:
    > Amlogic Meson G12A, G12B and SM1 SoCs have a more advanced RGMII RX
    > delay register which allows picoseconds precision. Deprecate the old
    > "amlogic,rx-delay-ns" in favour of a new "amlogic,rgmii-rx-delay-ps"
    > property.
    >
    > For older SoCs the only known supported values were 0ns and 2ns. The new
    > SoCs have 200ps precision and support RGMII RX delays between 0ps and
    > 3000ps.
    >
    > While here, also update the description of the RX delay to indicate
    > that:
    > - with "rgmii" or "rgmii-id" the RX delay should be specified
    > - with "rgmii-id" or "rgmii-rxid" the RX delay is added by the PHY so
    > any configuration on the MAC side is ignored
    > - with "rmii" the RX delay is not applicable and any configuration is
    > ignored
    >
    > Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>

    Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
    --
    Florian

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