linux-kernel - Re: [PATCH] phy: qcom-qmp: Fix dts bindings to reflect reality

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Message-ID: <20180720141059.GA3064@rob-hp-laptop>
Date:   Fri, 20 Jul 2018 08:10:59 -0600
From:   Rob Herring <robh@...nel.org>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     kishon@...com, mark.rutland@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Vivek Gautam <vivek.gautam@...eaurora.org>,
        Manu Gautam <mgautam@...eaurora.org>,
        Varadarajan Narayanan <varada@...eaurora.org>
Subject: Re: [PATCH] phy: qcom-qmp: Fix dts bindings to reflect reality

On Fri, Jul 06, 2018 at 04:31:42PM -0700, Douglas Anderson wrote:
> A few patches have landed for the qcom-qmp PHY that affect how you
> would write a device tree node.  ...yet the bindings weren't updated.
> Let's remedy the situation and make the bindings refelect reality.

"dt-bindings: phy: ..." for the subject.

> 
> Fixes: efb05a50c956 ("phy: qcom-qmp: Add support for QMP V3 USB3 PHY")
> Fixes: ac0d239936bd ("phy: qcom-qmp: Add support for runtime PM")
> Signed-off-by: Douglas Anderson <dianders@...omium.org>
> ---
> 
>  .../devicetree/bindings/phy/qcom-qmp-phy.txt       | 14 ++++++++++++--
>  1 file changed, 12 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> index 266a1bb8bb6e..0c7629e88bf3 100644
> --- a/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> +++ b/Documentation/devicetree/bindings/phy/qcom-qmp-phy.txt
> @@ -12,7 +12,14 @@ Required properties:
>  	       "qcom,sdm845-qmp-usb3-phy" for USB3 QMP V3 phy on sdm845,
>  	       "qcom,sdm845-qmp-usb3-uni-phy" for USB3 QMP V3 UNI phy on sdm845.
>  
> - - reg: offset and length of register set for PHY's common serdes block.
> + - reg:
> +   - For "qcom,sdm845-qmp-usb3-phy":
> +     - index 0: address and length of register set for PHY's common serdes
> +       block.
> +     - named register "dp_com" (using reg-names): address and length of the
> +       DP_COM control block.

You need to list reg-names and what are the names for the other 2 
regions?

> +   - For all others:
> +     - offset and length of register set for PHY's common serdes block.
>  
>   - #clock-cells: must be 1
>      - Phy pll outputs a bunch of clocks for Tx, Rx and Pipe
> @@ -60,7 +67,10 @@ Required nodes:
>  
>  Required properties for child node:
>   - reg: list of offset and length pairs of register sets for PHY blocks -
> -	tx, rx and pcs.
> +	- index 0: tx
> +	- index 1: rx
> +	- index 2: pcs
> +	- index 3: pcs_misc (optional)
>  
>   - #phy-cells: must be 0
>  
> -- 
> 2.18.0.203.gfac676dfb9-goog
>