From: "Ardelean, Alexandru" <alexandru.Ardelean@analog.com>
To: "andrew@lunn.ch" <andrew@lunn.ch>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
"hkallweit1@gmail.com" <hkallweit1@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"mark.rutland@arm.com" <mark.rutland@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"f.fainelli@gmail.com" <f.fainelli@gmail.com>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>
Subject: Re: [PATCH v2 05/15] net: phy: adin: add {write,read}_mmd hooks
Date: Fri, 9 Aug 2019 12:05:07 +0000 [thread overview]
Message-ID: <abd38b7cd509c6113f95d7a5e9361f5444dfb511.camel@analog.com> (raw)
In-Reply-To: <20190808153514.GE27917@lunn.ch>
On Thu, 2019-08-08 at 17:35 +0200, Andrew Lunn wrote:
> [External]
>
> On Thu, Aug 08, 2019 at 03:30:16PM +0300, Alexandru Ardelean wrote:
> > Both ADIN1200 & ADIN1300 support Clause 45 access.
> > The Extended Management Interface (EMI) registers are accessible via both
> > Clause 45 (at register MDIO_MMD_VEND1) and using Clause 22.
> >
> > However, the Clause 22 MMD access operations differ from the implementation
> > in the kernel, in the sense that it uses registers ExtRegPtr (0x10) &
> > ExtRegData (0x11) to access Clause 45 & EMI registers.
>
> It is not that they differ from what the kernel supports. Its that
> they differ from what the Standard says they should use. These
> registers are defined in 802.3, part of C22, and this hardware
> implements the standard incorrectly.
Will update comment.
I did not find a document describing this as a standard.
But, I admit I am terrible when finding some docs.
I only found this presentation from a while back:
http://www.ieee802.org/3/efm/public/nov02/oam/pannell_oam_1_1102.pdf
It seemed more like a proposal.
Thanks
Alex
>
> Andrew
next prev parent reply other threads:[~2019-08-09 12:05 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-08 12:30 [PATCH v2 00/15] net: phy: adin: add support for Analog Devices PHYs Alexandru Ardelean
2019-08-08 12:30 ` [PATCH v2 01/15] " Alexandru Ardelean
2019-08-08 15:13 ` Andrew Lunn
2019-08-08 12:30 ` [PATCH v2 02/15] net: phy: adin: hook genphy_read_abilities() to get_features Alexandru Ardelean
2019-08-08 15:24 ` Andrew Lunn
2019-08-08 19:32 ` Heiner Kallweit
2019-08-09 12:00 ` Ardelean, Alexandru
2019-08-08 12:30 ` [PATCH v2 03/15] net: phy: adin: hook genphy_{suspend,resume} into the driver Alexandru Ardelean
2019-08-08 15:24 ` Andrew Lunn
2019-08-08 12:30 ` [PATCH v2 04/15] net: phy: adin: add support for interrupts Alexandru Ardelean
2019-08-08 15:25 ` Andrew Lunn
2019-08-08 12:30 ` [PATCH v2 05/15] net: phy: adin: add {write,read}_mmd hooks Alexandru Ardelean
2019-08-08 15:35 ` Andrew Lunn
2019-08-09 12:05 ` Ardelean, Alexandru [this message]
2019-08-08 12:30 ` [PATCH v2 06/15] net: phy: adin: configure RGMII/RMII/MII modes on config Alexandru Ardelean
2019-08-08 15:38 ` Andrew Lunn
2019-08-08 12:30 ` [PATCH v2 07/15] net: phy: adin: make RGMII internal delays configurable Alexandru Ardelean
2019-08-08 15:40 ` Andrew Lunn
2019-08-08 12:30 ` [PATCH v2 08/15] net: phy: adin: make RMII fifo depth configurable Alexandru Ardelean
2019-08-08 15:42 ` Andrew Lunn
2019-08-08 12:30 ` [PATCH v2 09/15] net: phy: adin: add support MDI/MDIX/Auto-MDI selection Alexandru Ardelean
2019-08-08 12:30 ` [PATCH v2 10/15] net: phy: adin: add EEE translation layer from Clause 45 to Clause 22 Alexandru Ardelean
2019-08-08 12:30 ` [PATCH v2 11/15] net: phy: adin: implement PHY subsystem software reset Alexandru Ardelean
2019-08-08 12:30 ` [PATCH v2 12/15] net: phy: adin: implement Energy Detect Powerdown mode Alexandru Ardelean
2019-08-08 12:30 ` [PATCH v2 13/15] net: phy: adin: configure downshift on config_init Alexandru Ardelean
2019-08-08 19:38 ` Heiner Kallweit
2019-08-08 20:39 ` Andrew Lunn
2019-08-09 12:06 ` Ardelean, Alexandru
2019-08-08 12:30 ` [PATCH v2 14/15] net: phy: adin: add ethtool get_stats support Alexandru Ardelean
2019-08-08 12:30 ` [PATCH v2 15/15] dt-bindings: net: add bindings for ADIN PHY driver Alexandru Ardelean
2019-08-08 23:03 ` Rob Herring
2019-08-09 12:06 ` Ardelean, Alexandru
2019-08-08 18:24 ` [PATCH v2 00/15] net: phy: adin: add support for Analog Devices PHYs David Miller
2019-08-09 12:32 ` Ardelean, Alexandru
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