linux-kernel - [PATCH net-next v3 0/2] net: phy: Support master-slave config via device tree

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Message-Id: <20240913084022.3343903-1-o.rempel@pengutronix.de>
Date: Fri, 13 Sep 2024 10:40:20 +0200
From: Oleksij Rempel <o.rempel@...gutronix.de>
To: Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Florian Fainelli <f.fainelli@...il.com>
Cc: Oleksij Rempel <o.rempel@...gutronix.de>,
	kernel@...gutronix.de,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	Russell King <linux@...linux.org.uk>,
	devicetree@...r.kernel.org
Subject: [PATCH net-next v3 0/2] net: phy: Support master-slave config via device tree

This patch series adds support for configuring the master/slave role of
PHYs via the device tree. A new `master-slave` property is introduced in
the device tree bindings, allowing PHYs to be forced into either master
or slave mode. This is particularly necessary for Single Pair Ethernet
(SPE) PHYs (1000/100/10Base-T1), where hardware strap pins may not be
available or correctly configured, but it is applicable to all PHY
types.

changes v3:
- rename  master-slave to timing-role
- add prefer-master/slave support

Oleksij Rempel (2):
  dt-bindings: net: ethernet-phy: Add timing-role role property for
    ethernet PHYs
  net: phy: Add support for PHY timing-role configuration via device
    tree

 .../devicetree/bindings/net/ethernet-phy.yaml | 21 ++++++++++++
 drivers/net/phy/phy-core.c                    | 33 +++++++++++++++++++
 drivers/net/phy/phy_device.c                  |  3 ++
 include/linux/phy.h                           |  1 +
 4 files changed, 58 insertions(+)

--
2.39.2