netdev - Re: [PATCH V2 3/8] dt-bindings: net: stmmac: add phys config properties

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Date:   Fri, 22 Feb 2019 18:16:51 -0600
From:   Rob Herring <robh@...nel.org>
To:     Christophe Roullier <christophe.roullier@...com>
Cc:     davem@...emloft.net, joabreu@...opsys.com, mark.rutland@....com,
        mcoquelin.stm32@...il.com, alexandre.torgue@...com,
        peppe.cavallaro@...com, linux-stm32@...md-mailman.stormreply.com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, netdev@...r.kernel.org,
        andrew@...n.ch
Subject: Re: [PATCH V2 3/8] dt-bindings: net: stmmac: add phys config
 properties

On Fri, Feb 22, 2019 at 09:28:04AM +0100, Christophe Roullier wrote:
> Add properties to support all Phy config
>  PHY_MODE	(MII,GMII, RMII, RGMII) and in normal, PHY wo crystal (25Mhz),
>  PHY wo crystal (50Mhz), No 125Mhz from PHY config.
> 
> Signed-off-by: Christophe Roullier <christophe.roullier@...com>
> ---
>  Documentation/devicetree/bindings/net/stm32-dwmac.txt | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/net/stm32-dwmac.txt b/Documentation/devicetree/bindings/net/stm32-dwmac.txt
> index 1341012..f42dc68 100644
> --- a/Documentation/devicetree/bindings/net/stm32-dwmac.txt
> +++ b/Documentation/devicetree/bindings/net/stm32-dwmac.txt
> @@ -24,9 +24,9 @@ Required properties:
>  	       encompases the glue register, and the offset of the control register.
>  
>  Optional properties:
> -- clock-names:     For MPU family "mac-clk-ck" for PHY without quartz
> -- st,int-phyclk (boolean) :  valid only where PHY do not have quartz and need to be clock
> -	           by RCC

You can't just remove properties.

> +- clock-names:     For MPU family "eth-ck" for PHY without quartz
> +- st,eth_clk_sel (boolean) : set this property in RGMII PHY when you do not want use 125Mhz
> +- st,eth_ref_clk_sel (boolean) :  set this property in RMII mode when you have PHY without crystal 50MHz

s/_/-/

'sel' I assume is short for select, but the naming here and description 
don't really tell me what I'm getting.

Rob