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    SubjectRe: [PATCH v3 7/8] dt-bindings: net: phy: Add 10-baseT1L 2.4 Vpp
    On Mon, Oct 11, 2021 at 05:22:14PM +0300, alexandru.tachici@analog.com wrote:
    > From: Alexandru Tachici <alexandru.tachici@analog.com>
    >
    > Add a tristate property to advertise desired transmit level.
    >
    > If the device supports the 2.4 Vpp operating mode for 10BASE-T1L,
    > as defined in 802.3gc, and the 2.4 Vpp transmit voltage operation
    > is desired, property should be set to 1. This property is used
    > to select whether Auto-Negotiation advertises a request to
    > operate the 10BASE-T1L PHY in increased transmit level mode.
    >
    > If property is set to 1, the PHY shall advertise a request
    > to operate the 10BASE-T1L PHY in increased transmit level mode.
    > If property is set to zero, the PHY shall not advertise
    > a request to operate the 10BASE-T1L PHY in increased transmit level mode.
    >
    > Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com>
    > ---
    > Documentation/devicetree/bindings/net/ethernet-phy.yaml | 9 +++++++++
    > 1 file changed, 9 insertions(+)
    >
    > diff --git a/Documentation/devicetree/bindings/net/ethernet-phy.yaml b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
    > index 2766fe45bb98..2bb3a96612a2 100644
    > --- a/Documentation/devicetree/bindings/net/ethernet-phy.yaml
    > +++ b/Documentation/devicetree/bindings/net/ethernet-phy.yaml
    > @@ -77,6 +77,15 @@ properties:
    > description:
    > Maximum PHY supported speed in Mbits / seconds.
    >
    > + an-10base-t1l-2.4vpp:

    What does 'an' mean?

    > + description: |
    > + tristate, request/disable 2.4 Vpp operating mode. The values are:
    > + 0: Disable 2.4 Vpp operating mode.
    > + 1: Request 2.4 Vpp operating mode from link partner.
    > + Absence of this property will leave configuration to default values.
    > + $ref: "/schemas/types.yaml#/definitions/uint32"
    > + enum: [0, 1]

    What happened to this one doing the same thing?:

    https://lore.kernel.org/lkml/20201117201555.26723-3-dmurphy@ti.com/

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