netdev - [PATCH net-next 0/2] RGMII delays for SJA1105 DSA driver

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Message-Id: <20190608161228.5730-1-olteanv@gmail.com>
Date:   Sat,  8 Jun 2019 19:12:26 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     f.fainelli@...il.com, vivien.didelot@...il.com, andrew@...n.ch,
        davem@...emloft.net
Cc:     netdev@...r.kernel.org, Vladimir Oltean <olteanv@...il.com>
Subject: [PATCH net-next 0/2] RGMII delays for SJA1105 DSA driver

This patchset configures the Tunable Delay Lines of the SJA1105 P/Q/R/S
switches. These add a programmable phase offset on the RGMII RX and TX
clock signals and get used by the driver for fixed-link interfaces that
use the rgmii-id, rgmii-txid or rgmii-rxid phy-modes.

Tested on a board where RGMII delays were already set up, by adding
MAC-side delays on the RGMII interface towards a BCM5464R PHY and
noticing that the MAC now reports SFD, preamble, FCS etc. errors.

Conflicts trivially in drivers/net/dsa/sja1105/sja1105_spi.c with
https://patchwork.ozlabs.org/project/netdev/list/?series=112614&state=*
which must be applied first.

Vladimir Oltean (2):
  net: dsa: sja1105: Remove duplicate rgmii_pad_mii_tx from regs
  net: dsa: sja1105: Add RGMII delay support for P/Q/R/S chips

 drivers/net/dsa/sja1105/sja1105.h          |   3 +-
 drivers/net/dsa/sja1105/sja1105_clocking.c | 100 ++++++++++++++++++++-
 drivers/net/dsa/sja1105/sja1105_spi.c      |  11 ++-
 3 files changed, 106 insertions(+), 8 deletions(-)

-- 
2.17.1