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From: Bin Meng <bmeng.cn@gmail.com>
To: Vladimir Oltean <vladimir.oltean@nxp.com>
Cc: U-Boot Mailing List <u-boot@lists.denx.de>,
	Joe Hershberger <joe.hershberger@ni.com>,
	 Ramon Fried <rfried.dev@gmail.com>,
	Priyanka Jain <priyanka.jain@nxp.com>
Subject: Re: [PATCH 4/9] net: introduce a helper to determine whether to use in-band autoneg
Date: Wed, 29 Sep 2021 10:32:55 +0800	[thread overview]
Message-ID: <CAEUhbmUCN05i3fi6zj2NwOqaagPEfFa4aj25XU2qtrGpr57VDQ@mail.gmail.com> (raw)
In-Reply-To: <20210927234825.823582-5-vladimir.oltean@nxp.com>

On Tue, Sep 28, 2021 at 7:50 AM Vladimir Oltean <vladimir.oltean@nxp.com> wrote:
>
> Certain serial SERDES protocols like 1000base-x, 2500base-x, SGMII,
> USXGMII can operate either in a mode where the PHY (be it on-board or
> inside an SFP module) passes the link parameters (speed, duplex, pause)
> to the MAC through in-band through control words standardized by IEEE
> 802.3 clause 37, or in a mode where the MAC must configure (force) its
> link parameters based on information obtained out-of-band (MDIO reads,
> guesswork etc).
>
> In Linux, the OF node property named "managed" is parsed by the phylink
> framework, and the convention is that if a driver uses phylink, then the
> presence of this property means that in-band autoneg should be enabled,
> otherwise it shouldn't.
>
> To be compatible with the OF node bindings of drivers that use phylink
> in Linux, introduce parsing support for this property in U-Boot too.
>
> Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
> ---
>  drivers/core/of_extra.c | 12 ++++++++++++
>  include/dm/of_extra.h   | 14 ++++++++++++++
>  2 files changed, 26 insertions(+)
>

Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

  parent reply	other threads:[~2021-09-29  2:33 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27 23:48 [PATCH 0/9] Support the SJA1105 DSA switch on the NXP LS1021A-TSN board Vladimir Oltean
2021-09-27 23:48 ` [PATCH 1/9] net: tsec: add support for promiscuous mode Vladimir Oltean
2021-09-28 13:34   ` Ramon Fried
2021-09-29  2:32   ` Bin Meng
2021-09-27 23:48 ` [PATCH 2/9] include: import if_vlan.h from Linux Vladimir Oltean
2021-09-28 13:26   ` Ramon Fried
2021-09-29  2:32   ` Bin Meng
2021-09-27 23:48 ` [PATCH 3/9] net: dsa: allow drivers to get the port OF node Vladimir Oltean
2021-09-28 13:34   ` Ramon Fried
2021-09-27 23:48 ` [PATCH 4/9] net: introduce a helper to determine whether to use in-band autoneg Vladimir Oltean
2021-09-28 13:34   ` Ramon Fried
2021-09-29  2:32   ` Bin Meng [this message]
2021-09-27 23:48 ` [PATCH 5/9] net: dsa: felix: configure the in-band autoneg property based on OF node info Vladimir Oltean
2021-09-28 13:34   ` Ramon Fried
2021-09-29 12:21     ` Vladimir Oltean
2021-09-27 23:48 ` [PATCH 6/9] net: add driver for NXP SJA1105 DSA L2 switch Vladimir Oltean
2021-09-28 13:35   ` Ramon Fried
2021-09-27 23:48 ` [PATCH 7/9] arm: dts: ls1021a-tsn: add sja1105 and eth2 bindings Vladimir Oltean
2021-09-28 13:26   ` Ramon Fried
2021-09-27 23:48 ` [PATCH 8/9] configs: ls1021a-tsn: enable sja1105 switch driver Vladimir Oltean
2021-09-28 13:26   ` Ramon Fried
2021-09-29  2:33   ` Bin Meng
2021-09-27 23:48 ` [PATCH 9/9] configs: ls1021a-tsn: enable the generation of random Ethernet MAC addresses Vladimir Oltean
2021-09-28 13:26   ` Ramon Fried
2021-09-29  2:33   ` Bin Meng

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