linux-kernel - Re: [PATCH v2 3/3] dt-bindings: phy-mtk-tphy: add properties for U2 slew rate calibrate

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Date:   Wed, 14 Mar 2018 00:21:16 +0100
From:   Matthias Brugger <matthias.bgg@...il.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ian Campbell <ijc+devicetree@...lion.org.uk>,
        Ryder Lee <ryder.lee@...iatek.com>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-usb@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v2 3/3] dt-bindings: phy-mtk-tphy: add properties for U2
 slew rate calibrate



On 03/12/2018 06:25 AM, Chunfeng Yun wrote:
> Add two properties of ref_clk and coefficient used by U2 slew rate
> calibrate which may vary on different SoCs
> 
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>

Reviewed-by: Matthias Brugger <matthias.bgg@...il.com>

> ---
>  Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
> index 41e09ed..0d34b2b 100644
> --- a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
> +++ b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
> @@ -27,6 +27,10 @@ Optional properties (controller (parent) node):
>   - reg		: offset and length of register shared by multiple ports,
>  		  exclude port's private register. It is needed on mt2701
>  		  and mt8173, but not on mt2712.
> + - mediatek,src-ref-clk-mhz	: frequency of reference clock for slew rate
> +		  calibrate
> + - mediatek,src-coef	: coefficient for slew rate calibrate, depends on
> +		  SoC process
>  
>  Required properties (port (child) node):
>  - reg		: address and length of the register set for the port.
>