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From: Neil Armstrong <narmstrong@baylibre.com>
To: Andrew Lunn <andrew@lunn.ch>
Cc: khilman@baylibre.com, carlo@caione.org, linus.walleij@linaro.org,
	linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org,
	netdev@vger.kernel.org
Subject: Re: [RFC PATCH 08/13] dwmac-meson8b: add support for phy selection
Date: Mon, 31 Oct 2016 15:23:29 +0100	[thread overview]
Message-ID: <e1634bd6-ae3a-b757-4947-7884807457b8@baylibre.com> (raw)
In-Reply-To: <20161021160807.GT16974@lunn.ch>

On 10/21/2016 06:08 PM, Andrew Lunn wrote:
> Hi Neil
> 
>> Yes this would be a good idea if we were able to scan the internal
>> and external PHYs at the same time, but with our limited knowledge
>> the values we write in the register seems to switch a mux for the
>> whole RMII and MDIO signals to either interface.
> 
> Ah, O.K. So you need something like:
> 
> drivers/net/phy/mdio-mux-mmioreg.c
> 
> This seems to be limited to a single byte for the mux register, so you
> might need to make some extensions.
> 
>       Andrew
> 

Thanks for the hint, I will try to make use of this !

Neil

WARNING: multiple messages have this Message-ID (diff)
From: narmstrong@baylibre.com (Neil Armstrong)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 08/13] dwmac-meson8b: add support for phy selection
Date: Mon, 31 Oct 2016 15:23:29 +0100	[thread overview]
Message-ID: <e1634bd6-ae3a-b757-4947-7884807457b8@baylibre.com> (raw)
In-Reply-To: <20161021160807.GT16974@lunn.ch>

On 10/21/2016 06:08 PM, Andrew Lunn wrote:
> Hi Neil
> 
>> Yes this would be a good idea if we were able to scan the internal
>> and external PHYs at the same time, but with our limited knowledge
>> the values we write in the register seems to switch a mux for the
>> whole RMII and MDIO signals to either interface.
> 
> Ah, O.K. So you need something like:
> 
> drivers/net/phy/mdio-mux-mmioreg.c
> 
> This seems to be limited to a single byte for the mux register, so you
> might need to make some extensions.
> 
>       Andrew
> 

Thanks for the hint, I will try to make use of this !

Neil

WARNING: multiple messages have this Message-ID (diff)
From: narmstrong@baylibre.com (Neil Armstrong)
To: linus-amlogic@lists.infradead.org
Subject: [RFC PATCH 08/13] dwmac-meson8b: add support for phy selection
Date: Mon, 31 Oct 2016 15:23:29 +0100	[thread overview]
Message-ID: <e1634bd6-ae3a-b757-4947-7884807457b8@baylibre.com> (raw)
In-Reply-To: <20161021160807.GT16974@lunn.ch>

On 10/21/2016 06:08 PM, Andrew Lunn wrote:
> Hi Neil
> 
>> Yes this would be a good idea if we were able to scan the internal
>> and external PHYs at the same time, but with our limited knowledge
>> the values we write in the register seems to switch a mux for the
>> whole RMII and MDIO signals to either interface.
> 
> Ah, O.K. So you need something like:
> 
> drivers/net/phy/mdio-mux-mmioreg.c
> 
> This seems to be limited to a single byte for the mux register, so you
> might need to make some extensions.
> 
>       Andrew
> 

Thanks for the hint, I will try to make use of this !

Neil

  reply	other threads:[~2016-10-31 14:23 UTC|newest]

Thread overview: 84+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-10-21 14:40 [RFC PATCH 00/13] ARM64: meson-gxl: Add extended support Neil Armstrong
2016-10-21 14:40 ` Neil Armstrong
2016-10-21 14:40 ` Neil Armstrong
     [not found] ` <1477060838-14164-1-git-send-email-narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-10-21 14:40   ` [RFC PATCH 01/13] pinctrl: meson: Add GXL pinctrl definitions Neil Armstrong
2016-10-21 14:40     ` Neil Armstrong
2016-10-21 14:40     ` Neil Armstrong
2016-10-21 14:40     ` Neil Armstrong
     [not found]     ` <1477060838-14164-2-git-send-email-narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-10-24  1:03       ` Linus Walleij
2016-10-24  1:03         ` Linus Walleij
2016-10-24  1:03         ` Linus Walleij
2016-10-24  1:03         ` Linus Walleij
2016-10-31  9:40         ` Neil Armstrong
2016-10-31  9:40           ` Neil Armstrong
2016-10-31  9:40           ` Neil Armstrong
2016-10-31  9:40           ` Neil Armstrong
     [not found]           ` <b80010f7-196a-abeb-e4a2-5009f3b7f13b-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-10-31 18:23             ` Kevin Hilman
2016-10-31 18:23               ` Kevin Hilman
2016-10-31 18:23               ` Kevin Hilman
2016-10-31 18:23               ` Kevin Hilman
2016-10-31 18:23               ` Kevin Hilman
2016-10-30 20:41     ` Rob Herring
2016-10-30 20:41       ` Rob Herring
2016-10-30 20:41       ` Rob Herring
2016-10-21 14:40   ` [RFC PATCH 02/13] ARM64: dts: meson-gxbb: Move common nodes to meson-gx Neil Armstrong
2016-10-21 14:40     ` Neil Armstrong
2016-10-21 14:40     ` Neil Armstrong
2016-10-21 14:40     ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 03/13] ARM64: dts: meson-gxl: Add pinctrl nodes Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 04/13] ARM64: dts: meson-gxl: Add clock nodes Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 05/13] ARM64: dts: meson-gxl: Add i2c nodes Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 06/13] ARM64: dts: meson-gxl: Add MMC/SD/SDIO nodes Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 07/13] ARM64: dts: meson-gxl-p23x: Add uart pinctrl Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 08/13] dwmac-meson8b: add support for phy selection Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 15:46   ` Andrew Lunn
2016-10-21 15:46     ` Andrew Lunn
2016-10-21 15:46     ` Andrew Lunn
2016-10-21 15:54   ` Andrew Lunn
2016-10-21 15:54     ` Andrew Lunn
2016-10-21 15:54     ` Andrew Lunn
2016-10-21 15:59     ` Neil Armstrong
2016-10-21 15:59       ` Neil Armstrong
2016-10-21 15:59       ` Neil Armstrong
2016-10-21 16:08       ` Andrew Lunn
2016-10-21 16:08         ` Andrew Lunn
2016-10-21 16:08         ` Andrew Lunn
2016-10-31 14:23         ` Neil Armstrong [this message]
2016-10-31 14:23           ` Neil Armstrong
2016-10-31 14:23           ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 09/13] net: phy: Add Meson GXL Internal PHY driver Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
     [not found]   ` <1477060838-14164-10-git-send-email-narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2016-10-21 20:56     ` Florian Fainelli
2016-10-21 20:56       ` Florian Fainelli
2016-10-21 20:56       ` Florian Fainelli
2016-10-21 20:56       ` Florian Fainelli
     [not found]       ` <0ea5a7a8-3913-0e6a-6ff2-9f34015ea071-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-10-31 14:25         ` Neil Armstrong
2016-10-31 14:25           ` Neil Armstrong
2016-10-31 14:25           ` Neil Armstrong
2016-10-31 14:25           ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 10/13] ARM64: dts: meson-gxl: Add ethernet nodes with internal PHY Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 11/13] ARM64: dts: meson-gxl-p23x: Enable ethernet Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 12/13] ARM64: dts: meson-gxl-p23x: Add SD/SDIO/MMC and PWM nodes Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40 ` [RFC PATCH 13/13] ARM64: dts: meson-gxl-p23x: Enable IR receiver Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong
2016-10-21 14:40   ` Neil Armstrong

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