netdev - Re: [PATCH V6 net-next 08/11] dt-bindings: ptp: Introduce MII time stamping devices.

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Message-ID: <20191217151705.GF17965@lunn.ch>
Date:   Tue, 17 Dec 2019 16:17:05 +0100
From:   Andrew Lunn <andrew@...n.ch>
To:     Richard Cochran <richardcochran@...il.com>
Cc:     netdev@...r.kernel.org, David Miller <davem@...emloft.net>,
        devicetree@...r.kernel.org,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Jacob Keller <jacob.e.keller@...el.com>,
        Mark Rutland <mark.rutland@....com>,
        Miroslav Lichvar <mlichvar@...hat.com>,
        Murali Karicheri <m-karicheri2@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Willem de Bruijn <willemb@...gle.com>,
        Wingman Kwok <w-kwok2@...com>
Subject: Re: [PATCH V6 net-next 08/11] dt-bindings: ptp: Introduce MII time
 stamping devices.

On Mon, Dec 16, 2019 at 08:13:23AM -0800, Richard Cochran wrote:
> This patch add a new binding that allows non-PHY MII time stamping
> devices to find their buses.  The new documentation covers both the
> generic binding and one upcoming user.
> 
> Signed-off-by: Richard Cochran <richardcochran@...il.com>
> Reviewed-by: Andrew Lunn <andrew@...n.ch>

Rob might want YAML?

    



> ---
>  .../devicetree/bindings/ptp/ptp-ines.txt      | 35 ++++++++++++++++
>  .../devicetree/bindings/ptp/timestamper.txt   | 41 +++++++++++++++++++
>  2 files changed, 76 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/ptp/ptp-ines.txt
>  create mode 100644 Documentation/devicetree/bindings/ptp/timestamper.txt
> 
> diff --git a/Documentation/devicetree/bindings/ptp/ptp-ines.txt b/Documentation/devicetree/bindings/ptp/ptp-ines.txt
> new file mode 100644
> index 000000000000..4c242bd1ce9c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ptp/ptp-ines.txt
> @@ -0,0 +1,35 @@
> +ZHAW InES PTP time stamping IP core
> +
> +The IP core needs two different kinds of nodes.  The control node
> +lives somewhere in the memory map and specifies the address of the
> +control registers.  There can be up to three port handles placed as
> +attributes of PHY nodes.  These associate a particular MII bus with a
> +port index within the IP core.
> +
> +Required properties of the control node:
> +
> +- compatible:		"ines,ptp-ctrl"
> +- reg:			physical address and size of the register bank
> +
> +Required format of the port handle within the PHY node:
> +
> +- timestamper:		provides control node reference and
> +			the port channel within the IP core
> +
> +Example:
> +
> +	tstamper: timestamper@...00000 {
> +		compatible = "ines,ptp-ctrl";
> +		reg = <0x60000000 0x80>;
> +	};
> +
> +	ethernet@...00000 {
> +		...
> +		mdio {
> +			...
> +			ethernet-phy@3 {
> +				...
> +				timestamper = <&tstamper 0>;

You should also add this to Documentation/devicetree/bindings/net/ethernet-phy.yaml

    Andrew