linux-kernel - [PATCH net-next v4 0/6] net: dsa: lantiq: add support for Intel GSW150

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Message-ID: <cover.1768612113.git.daniel@makrotopia.org>
Date: Sat, 17 Jan 2026 01:15:48 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Hauke Mehrtens <hauke@...ke-m.de>, Andrew Lunn <andrew@...n.ch>,
	Vladimir Oltean <olteanv@...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>,
	Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Chen Minqiang <ptpt52@...il.com>, Xinfa Deng <xinfa.deng@...inet.com>
Subject: [PATCH net-next v4 0/6] net: dsa: lantiq: add support for Intel
 GSW150

The Intel GSW150 Ethernet Switch (aka. Lantiq PEB7084) is the predecessor of
MaxLinear's GSW1xx series of switches. It shares most features, but has a
slightly different port layout and different MII interfaces.
Adding support for this switch to the mxl-gsw1xx driver is quite trivial.
---
Changes since v3:
 * spell out mii_cfg and mii_pcdu values in struct gswip_hw_info instead
   of using default initializer which requires diag exception

Changes since v2:
 * enclose the gswip_hw_info initializers in compiler diag exception
   to prevent triggering -Woverride-init

Changes since initial submission:
 * add patch fixing node naming convention for dt-bindings
 * introduce GSWIP_MAX_PORTS macro
 * don't assert SGMII PCS reset in case chip doesn't have SGMII
 * use case ranges in phylink_get_caps

Daniel Golle (6):
  dt-bindings: net: dsa: lantiq,gswip: use correct node name
  dt-bindings: net: dsa: lantiq,gswip: add Intel GSW150
  net: dsa: lantiq: allow arbitrary MII registers
  net: dsa: lantiq: clean up phylink_get_caps switch statement
  net: dsa: mxl-gsw1xx: only setup SerDes PCS if it exists
  net: dsa: mxl-gsw1xx: add support for Intel GSW150

 .../bindings/net/dsa/lantiq,gswip.yaml        |   6 +-
 drivers/net/dsa/lantiq/lantiq_gswip.c         |  47 ++++--
 drivers/net/dsa/lantiq/lantiq_gswip.h         |   6 +-
 drivers/net/dsa/lantiq/lantiq_gswip_common.c  |  27 +---
 drivers/net/dsa/lantiq/mxl-gsw1xx.c           | 146 ++++++++++++++----
 drivers/net/dsa/lantiq/mxl-gsw1xx.h           |   2 +
 6 files changed, 161 insertions(+), 73 deletions(-)

-- 
2.52.0