linux-kernel - Re: [PATCH v2 1/2] dt-bindings: phy: Document cadence Sierra PHY bindings

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Date:   Mon, 5 Nov 2018 15:41:43 -0600
From:   Rob Herring <robh@...nel.org>
To:     Alan Douglas <adouglas@...ence.com>
Cc:     kishon@...com, linux-kernel@...r.kernel.org, mark.rutland@....com,
        robh+dt@...nel.org, devicetree@...r.kernel.org,
        Alan Douglas <adouglas@...ence.com>
Subject: Re: [PATCH v2 1/2] dt-bindings: phy: Document cadence Sierra PHY
 bindings

On Wed, 31 Oct 2018 16:34:06 +0000, Alan Douglas wrote:
> Add DT binding documentation for Sierra PHY.  The PHY supports
> a number of different protocols, including PCIe and USB.
> 
> The PHY lanes may be configured as single or multi-lane links.
> Each link is treated as a separate sub-node.  For example, if
> there are 4 lanes in total the first 2 might be configured as
> a multi-lane PCIe link while the other two are single lane
> USB links, and in this case there would be 3 sub-nodes.
> 
> There are two resets for the PHY block (one for APB register
> access, one for the PHY link) and separate resets for each
> link.  For multi-lane links, the reset corresponds to the
> reset line on the master lane, the resets on other lanes
> have no effect.
> 
> Signed-off-by: Alan Douglas <adouglas@...ence.com>
> ---
>  .../devicetree/bindings/phy/cdns-sierra-phy.txt    | 68 ++++++++++++++++++++++
>  1 file changed, 68 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/cdns-sierra-phy.txt
> 

Reviewed-by: Rob Herring <robh@...nel.org>