netdev - [PATCH net-next v1 0/3] net: dsa: microchip: add single-led-mode support

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Message-ID: <20260128133842.1173406-1-ht@twx-software.de>
Date: Wed, 28 Jan 2026 14:38:30 +0100
From: Heinrich Toews <ht@...-software.de>
To: netdev@...r.kernel.org
Cc: andrew@...n.ch,
	f.fainelli@...il.com,
	olteanv@...il.com,
	robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org
Subject: [PATCH net-next v1 0/3] net: dsa: microchip: add single-led-mode support

This series adds support for single LED mode to KSZ9477 switches.

The first patch adds the YAML device tree binding documentation for the
new 'microchip,single-led-mode' property.

The second patch implements the mode configuration in the ksz_common
driver, including a necessary hardware workaround for Errata Module 19
(DS80000754F), which requires an additional write to a debug register to
ensure proper LED activity.

Heinrich Toews (3):
  dt-bindings: net: dsa: microchip: add microchip,single-led-mode flag
  net: phy: micrel: add flag for KSZ9477 LED erratum
  net: dsa: microchip: add single-led-mode support for KSZ9477

 .../bindings/net/dsa/microchip,ksz.yaml       |  6 ++++
 drivers/net/dsa/microchip/ksz_common.c        | 34 +++++++++++++++++++
 drivers/net/dsa/microchip/ksz_common.h        |  4 +++
 include/linux/micrel_phy.h                    |  1 +
 4 files changed, 45 insertions(+)

-- 
2.52.0