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Date:   Thu, 17 Jan 2019 11:02:04 +0100
From:   Antoine Tenart <>
Cc:     Antoine Tenart <>,,,,,
Subject: [PATCH net-next 0/8] net: mscc: PTP offloading support

Hi all,

This series adds support for the PTP offloading support in the Mscc
Ocelot Ethernet switch driver. Both PTP 1-step and 2-step modes are

In order to make use of the PTP offloading support, two new register
banks were described in the Ocelot device tree. The use of those
registers by the Mscc Ocelot Ethernet switch driver is made optional for
dt compatibility reasons. For the same reason a new interrupt is
described, and its use is also made optinal for compatibility reasons.
All of this is done ine patches 1-5.

The PTP offloading support itself is added in patch 8.

While doing this support, a few reworks were done in the Ocelot switch
driver, in patches 6-7.

Patches 2 and 4 should probably go through the MIPS tree.


Antoine Tenart (8):
  Documentation/bindings: net: ocelot: document the VCAP and PTP banks
  MIPS: dts: mscc: describe VCAP and PTP register ranges
  Documentation/bindings: net: ocelot: document the PTP ready IRQ
  MIPS: dts: mscc: describe the PTP ready interrupt
  net: mscc: describe the VCAP and PTP register ranges
  net: mscc: improve the frame header parsing readability
  net: mscc: remove the frame_info cpuq member
  net: mscc: PTP offloading support

 .../devicetree/bindings/net/mscc-ocelot.txt   |  22 +-
 arch/mips/boot/dts/mscc/ocelot.dtsi           |  14 +-
 drivers/net/ethernet/mscc/ocelot.c            | 509 +++++++++++++++++-
 drivers/net/ethernet/mscc/ocelot.h            |  55 +-
 drivers/net/ethernet/mscc/ocelot_board.c      | 150 +++++-
 drivers/net/ethernet/mscc/ocelot_ptp.h        |  41 ++
 drivers/net/ethernet/mscc/ocelot_regs.c       |  22 +
 drivers/net/ethernet/mscc/ocelot_vcap.h       | 104 ++++
 8 files changed, 877 insertions(+), 40 deletions(-)
 create mode 100644 drivers/net/ethernet/mscc/ocelot_ptp.h
 create mode 100644 drivers/net/ethernet/mscc/ocelot_vcap.h


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