linux-kernel - Re: [PATCH net-next v2 1/2] dt-bindings: net: mdio: Document common properties

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Message-ID: <20200419151134.GF836632@lunn.ch>
Date:   Sun, 19 Apr 2020 17:11:34 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Florian Fainelli <f.fainelli@...il.com>
Cc:     netdev@...r.kernel.org, Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v2 1/2] dt-bindings: net: mdio: Document common
 properties

On Sat, Apr 18, 2020 at 08:08:42PM -0700, Florian Fainelli wrote:
> Some of the properties pertaining to the broken turn around or resets
> were only documented in ethernet-phy.yaml while they are applicable
> across all MDIO devices and not Ethernet PHYs specifically which are a
> superset.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
> ---
>  .../devicetree/bindings/net/mdio.yaml         | 27 +++++++++++++++++++
>  1 file changed, 27 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/mdio.yaml b/Documentation/devicetree/bindings/net/mdio.yaml
> index 50c3397a82bc..d268ed80bb77 100644
> --- a/Documentation/devicetree/bindings/net/mdio.yaml
> +++ b/Documentation/devicetree/bindings/net/mdio.yaml
> @@ -50,6 +50,33 @@ patternProperties:
>          description:
>            The ID number for the PHY.
>  
> +      broken-turn-around:
> +        $ref: /schemas/types.yaml#definitions/flag
> +        description:
> +          If set, indicates the MDIO device does not correctly release
> +          the turn around line low at the end of a MDIO transaction.

Sorry, missed this the first time. Turn around is in the middle of the
transaction, after the register bits for C22, not at the end of the
transaction.

	Andrew