linux-kernel - Re: [PATCH v1 1/2] dt-binding: ptp: add bindings document for dte based ptp clock

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Message-ID: <20170618140449.aek7vag22i5lnbhl@rob-hp-laptop>
Date:   Sun, 18 Jun 2017 09:04:49 -0500
From:   Rob Herring <robh@...nel.org>
To:     Arun Parameswaran <arun.parameswaran@...adcom.com>
Cc:     Richard Cochran <richardcochran@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH v1 1/2] dt-binding: ptp: add bindings document for dte
 based ptp clock

On Mon, Jun 12, 2017 at 01:26:00PM -0700, Arun Parameswaran wrote:
> Add device tree binding documentation for the Broadcom DTE
> PTP clock driver.
> 
> Signed-off-by: Arun Parameswaran <arun.parameswaran@...adcom.com>
> ---
>  Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt
> 
> diff --git a/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt b/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt
> new file mode 100644
> index 0000000..07590bc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt
> @@ -0,0 +1,13 @@
> +* Broadcom Digital Timing Engine(DTE) based PTP clock driver

Bindings describe h/w, not drivers.

> +
> +Required properties:
> +- compatible: should be "brcm,ptp-dte"

Looks too generic. You need SoC specific compatible strings.

> +- reg: address and length of the DTE block's NCO registers
> +
> +Example:
> +
> +ptp_dte: ptp_dte@...af650 {

Don't use '_' in node names.

> +	compatible = "brcm,ptp-dte";
> +	reg = <0x180af650 0x10>;
> +	status = "okay";
> +};
> -- 
> 1.9.1
>