linux-kernel - [PATCH net-next 0/9] net: Add support for Power over Ethernet (PoE)

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Message-Id: <20231116-feature_poe-v1-0-be48044bf249@bootlin.com>
Date:   Thu, 16 Nov 2023 15:01:32 +0100
From:   Kory Maincent <kory.maincent@...tlin.com>
To:     "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Russ Weight <russ.weight@...ux.dev>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, devicetree@...r.kernel.org,
        Kory Maincent <kory.maincent@...tlin.com>
Subject: [PATCH net-next 0/9] net: Add support for Power over Ethernet
 (PoE)

This patch series aims at adding support for PoE (Power over Ethernet),
based on the already existing support for PoDL (Power over Data Line)
implementation. In addition, it adds support for one specific PoE
controller, the Microchip PD692x0.

In detail:
- Patch 1 to 6 prepare net to support PoE devices.
- Patch 7 adds a new error code to firmware upload API.
- Patch 8 and 9 add PD692x0 PoE PSE controller driver and its binding.

Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>
---
Kory Maincent (9):
      net: pse-pd: Rectify and adapt the naming of admin_cotrol member of struct pse_control_config
      ethtool: Expand Ethernet Power Equipment with PoE alongside PoDL
      net: pse-pd: Introduce PSE types enumeration
      net: ethtool: pse-pd: Expand pse commands with the PSE PoE interface
      netlink: specs: Modify pse attribute prefix
      netlink: specs: Expand the pse netlink command with PoE interface
      firmware_loader: Expand Firmware upload error codes
      dt-bindings: net: pse-pd: Add bindings for PD692x0 PSE controller
      net: pse-pd: Add PD692x0 PSE controller driver

 .../bindings/net/pse-pd/microchip,pd692x0_i2c.yaml |   70 ++
 Documentation/netlink/specs/ethtool.yaml           |   33 +-
 Documentation/networking/ethtool-netlink.rst       |   20 +
 MAINTAINERS                                        |    7 +
 drivers/base/firmware_loader/sysfs_upload.c        |    1 +
 drivers/net/pse-pd/Kconfig                         |   11 +
 drivers/net/pse-pd/Makefile                        |    1 +
 drivers/net/pse-pd/pd692x0.c                       | 1049 ++++++++++++++++++++
 drivers/net/pse-pd/pse_core.c                      |    9 +
 drivers/net/pse-pd/pse_regulator.c                 |    9 +-
 include/linux/firmware.h                           |    2 +
 include/linux/pse-pd/pse.h                         |   35 +-
 include/uapi/linux/ethtool.h                       |   43 +
 include/uapi/linux/ethtool_netlink.h               |    3 +
 net/ethtool/pse-pd.c                               |   64 +-
 15 files changed, 1332 insertions(+), 25 deletions(-)
---
base-commit: 23dd60286589d9d49c8135dee937fd54efa5643c
change-id: 20231024-feature_poe-139490e73403

Best regards,
-- 
Köry Maincent, Bootlin
Embedded Linux and kernel engineering
https://bootlin.com