linux-kernel - [PATCH 0/2] Add retimer interfaces support for Intel MAX 10 BMC

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Message-Id: <1609918567-13339-1-git-send-email-yilun.xu@intel.com>
Date:   Wed,  6 Jan 2021 15:36:05 +0800
From:   Xu Yilun <yilun.xu@...el.com>
To:     arnd@...db.de, lee.jones@...aro.org, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, trix@...hat.com, lgoncalv@...hat.com,
        yilun.xu@...el.com, hao.wu@...el.com, matthew.gerlach@...el.com,
        russell.h.weight@...el.com
Subject: [PATCH 0/2] Add retimer interfaces support for Intel MAX 10 BMC

This patchset supports the ethernet retimers (C827) for the Intel PAC
(Programmable Acceleration Card) N3000, which is a FPGA based Smart NIC.

The 2 retimer chips connect to the Intel MAX 10 BMC on the card. They are
managed by the BMC firmware. Host could query their link states and
firmware version information via retimer interfaces (Shared registers) on
the BMC. The driver creates sysfs interfaces for users to query these
information.


Xu Yilun (2):
  mfd: intel-m10-bmc: specify the retimer sub devices
  misc: add support for retimers interfaces on Intel MAX 10 BMC

 .../ABI/testing/sysfs-driver-intel-m10-bmc-retimer |  32 +++++
 drivers/mfd/intel-m10-bmc.c                        |  19 ++-
 drivers/misc/Kconfig                               |  10 ++
 drivers/misc/Makefile                              |   1 +
 drivers/misc/intel-m10-bmc-retimer.c               | 158 +++++++++++++++++++++
 include/linux/mfd/intel-m10-bmc.h                  |   7 +
 6 files changed, 226 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-intel-m10-bmc-retimer
 create mode 100644 drivers/misc/intel-m10-bmc-retimer.c

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2.7.4