linux-kernel - [RFC net-next 0/3] net: dsa: yt921x: Add support for Motorcomm YT921x

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Message-ID: <20250814065032.3766988-1-mmyangfl@gmail.com>
Date: Thu, 14 Aug 2025 14:50:19 +0800
From: David Yang <mmyangfl@...il.com>
To: netdev@...r.kernel.org
Cc: David Yang <mmyangfl@...il.com>,
	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>,
	Simon Horman <horms@...nel.org>,
	Russell King <linux@...linux.org.uk>,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RFC net-next 0/3] net: dsa: yt921x: Add support for Motorcomm YT921x

Motorcomm YT921x is a series of ethernet switches developed by Shanghai
Motorcomm Electronic Technology, including:

  - YT9215S / YT9215RB / YT9215SC: 5 GbE phys
  - YT9213NB / YT9214NB: 2 GbE phys
  - YT9218N / YT9218MB: 8 GbE phys

and up to 2 serdes interfaces.

This patch adds basic support for a working DSA switch.

previous rfc: https://lore.kernel.org/all/20250808173808.273774-1-mmyangfl@gmail.com/
  - fix coding style
  - add dt binding
  - add support for fdb, vlan and bridge

David Yang (3):
  dt-bindings: net: dsa: yt921x: Add Motorcomm YT921x switch support
  net: dsa: tag_yt921x: add support for Motorcomm YT921x tags
  net: dsa: yt921x: Add support for Motorcomm YT921x

 .../bindings/net/dsa/motorcomm,yt921x.yaml    |  121 +
 drivers/net/dsa/Kconfig                       |    7 +
 drivers/net/dsa/Makefile                      |    1 +
 drivers/net/dsa/yt921x.c                      | 3390 +++++++++++++++++
 include/net/dsa.h                             |    2 +
 net/dsa/Kconfig                               |    6 +
 net/dsa/Makefile                              |    1 +
 net/dsa/tag_yt921x.c                          |  126 +
 8 files changed, 3654 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/dsa/motorcomm,yt921x.yaml
 create mode 100644 drivers/net/dsa/yt921x.c
 create mode 100644 net/dsa/tag_yt921x.c

-- 
2.47.2