linux-kernel - [PATCH 0/3] netdev/of/phy: MDIO bus multiplexer support.

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Message-Id: <1314820906-14004-1-git-send-email-david.daney@cavium.com>
Date:	Wed, 31 Aug 2011 13:01:43 -0700
From:	David Daney <david.daney@...ium.com>
To:	linux-mips@...ux-mips.org, ralf@...ux-mips.org,
	devicetree-discuss@...ts.ozlabs.org, grant.likely@...retlab.ca,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Cc:	David Daney <david.daney@...ium.com>
Subject: [PATCH 0/3] netdev/of/phy: MDIO bus multiplexer support.

We have several different boards with a multiplexer in the MDIO bus.
There is an MDIO bus controller connected to a switching device with
several child MDIO busses.

Everything is wired up using device tree bindings.

 1/3 - New of_mdio_find_bus() function used to help configuring the
       driver topology.

 2/3 - MDIO bus multiplexer framework.

 3/3 - A driver for a GPIO controlled multiplexer.

I have an additional patch I am working on for an I2C controlled
multiplexer that I will follow up with once this reaches a mergable
state.

David Daney (3):
  netdev/of/phy: New function: of_mdio_find_bus().
  netdev/of/phy: Add MDIO bus multiplexer support.
  netdev/of/phy: Add MDIO bus multiplexer driven by GPIO lines.

 .../devicetree/bindings/net/mdio-mux-gpio.txt      |  127 ++++++++++++++
 Documentation/devicetree/bindings/net/mdio-mux.txt |  132 ++++++++++++++
 drivers/net/phy/Kconfig                            |   17 ++
 drivers/net/phy/Makefile                           |    2 +
 drivers/net/phy/mdio-mux-gpio.c                    |  143 +++++++++++++++
 drivers/net/phy/mdio-mux.c                         |  182 ++++++++++++++++++++
 drivers/net/phy/mdio_bus.c                         |    3 +-
 drivers/of/of_mdio.c                               |   26 +++
 include/linux/mdio-mux.h                           |   18 ++
 include/linux/of_mdio.h                            |    2 +
 include/linux/phy.h                                |    1 +
 11 files changed, 652 insertions(+), 1 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/net/mdio-mux-gpio.txt
 create mode 100644 Documentation/devicetree/bindings/net/mdio-mux.txt
 create mode 100644 drivers/net/phy/mdio-mux-gpio.c
 create mode 100644 drivers/net/phy/mdio-mux.c
 create mode 100644 include/linux/mdio-mux.h

-- 
1.7.2.3

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