linux-kernel - Re: [PATCH] ARM64: dts: meson-axg: add RMII pins for ethernet controller

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Message-ID: <2fa28259-cce9-37fc-3bcd-6017a35a052a@amlogic.com>
Date:   Thu, 11 Jan 2018 17:11:39 +0800
From:   Yixun Lan <yixun.lan@...ogic.com>
To:     Jerome Brunet <jbrunet@...libre.com>,
        Kevin Hilman <khilman@...libre.com>
CC:     <yixun.lan@...ogic.com>, <devicetree@...r.kernel.org>,
        Neil Armstrong <narmstrong@...libre.com>,
        Carlo Caione <carlo@...one.org>,
        <linux-amlogic@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM64: dts: meson-axg: add RMII pins for ethernet
 controller

Hi Jerome：

On 01/11/18 16:37, Jerome Brunet wrote:
> On Thu, 2018-01-11 at 11:04 +0800, Yixun Lan wrote:
>> Comparing to RGMII interface, the RMII interface require few pins.
>> So it's worth describing them here.
>>
>> Signed-off-by: Yixun Lan <yixun.lan@...ogic.com>
> 
> The only axg platform we have upstream is the s400 and is using rgmii.
> May I ask how this was tested ?
> 
It's true that S400 using RGMII interface.

but, we have customer using RTL8201FR-VB/VD which is a RMII PHY,

This is actually tested with the 'eth_rmii_x_pins' group.

Yixun