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net: dsa: microchip: Add KSZ8463 switch support

From:  Tristram.Ha-AT-microchip.com
To:  Woojung Huh <woojung.huh-AT-microchip.com>, Andrew Lunn <andrew-AT-lunn.ch>, Vladimir Oltean <olteanv-AT-gmail.com>, Rob Herring <robh-AT-kernel.org>, "Krzysztof Kozlowski" <krzk+dt-AT-kernel.org>, Conor Dooley <conor+dt-AT-kernel.org>
Subject:  [PATCH net-next v6 0/6] net: dsa: microchip: Add KSZ8463 switch support
Date:  Thu, 24 Jul 2025 17:17:47 -0700
Message-ID:  <20250725001753.6330-1-Tristram.Ha@microchip.com>
Cc:  Maxime Chevallier <maxime.chevallier-AT-bootlin.com>, Simon Horman <horms-AT-kernel.org>, "David S. Miller" <davem-AT-davemloft.net>, Eric Dumazet <edumazet-AT-google.com>, Jakub Kicinski <kuba-AT-kernel.org>, Paolo Abeni <pabeni-AT-redhat.com>, Marek Vasut <marex-AT-denx.de>, <UNGLinuxDriver-AT-microchip.com>, <devicetree-AT-vger.kernel.org>, <netdev-AT-vger.kernel.org>, <linux-kernel-AT-vger.kernel.org>, Tristram Ha <tristram.ha-AT-microchip.com>
Archive-link:  Article

From: Tristram Ha <tristram.ha@microchip.com>

This series of patches is to add KSZ8463 switch support to the KSZ DSA
driver.

v6
- Set use_single_read and use_single_write so that 64-bit access works
- Change register values for big-endian system if necessary

v5
- Use separate SPI read and write functions for KSZ8463
- remove inline keyword inside ksz8.c

v4
- Fix a typo in ksz8_reg.h
- Fix logic in ksz8463_r_phy()

v3
- Replace cpu_to_be16() with swab16() to avoid compiler warning
- Disable PTP function in a separate patch

v2
- Break the KSZ8463 driver code into several patches for easy review
- Replace ntohs with cpu_to_be16

Tristram Ha (6):
  dt-bindings: net: dsa: microchip: Add KSZ8463 switch support
  net: dsa: microchip: Add KSZ8463 switch support to KSZ DSA driver
  net: dsa: microchip: Use different registers for KSZ8463
  net: dsa: microchip: Write switch MAC address differently for KSZ8463
  net: dsa: microchip: Setup fiber ports for KSZ8463
  net: dsa: microchip: Disable PTP function of KSZ8463

 .../bindings/net/dsa/microchip,ksz.yaml       |   1 +
 drivers/net/dsa/microchip/ksz8.c              | 188 ++++++++++++++++--
 drivers/net/dsa/microchip/ksz8.h              |   4 +
 drivers/net/dsa/microchip/ksz8_reg.h          |  49 +++++
 drivers/net/dsa/microchip/ksz_common.c        | 160 ++++++++++++++-
 drivers/net/dsa/microchip/ksz_common.h        |  37 +++-
 drivers/net/dsa/microchip/ksz_dcb.c           |  10 +-
 drivers/net/dsa/microchip/ksz_spi.c           | 104 ++++++++++
 include/linux/platform_data/microchip-ksz.h   |   1 +
 9 files changed, 522 insertions(+), 32 deletions(-)

-- 
2.34.1




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