From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Daney Subject: [PATCH v6 0/3] netdev/of/phy: MDIO bus multiplexer support. Date: Wed, 2 May 2012 18:16:36 -0700 Message-ID: <1336007799-31016-1-git-send-email-ddaney.cavm@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-mips-6z/3iImG2C8G8FEW9MqTrA@public.gmane.org, afleming-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, David Daney , linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Ralf Baechle , Grant Likely , Rob Herring , devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, "David S. Miller" , netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org List-Id: netdev.vger.kernel.org From: David Daney This code has been working well for about six months on a couple of different configurations (boards), so I thought it would be a good time to send it out again, and I hope get it on the path towards merging. v6: Correct Kconfig depends in 2/3 as noticed by David Miller. Test against net-next. v5: Correct Kconfig depends in 3/3 as noticed by David Miller. v4: Correct some comment text and rename a couple of variables to better reflect their purpose. v3: Update binding to use "mdio-mux-gpio" compatible property. Cleanups suggested by Grant Likely. Now uses the driver probe deferral mechanism if GPIOs or parent bus not available. v2: Update bindings to use "reg" and "mdio-parent-bus" instead of "cell-index" and "parent-bus" v1: 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. 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 | 136 ++++++++++++++ drivers/net/phy/Kconfig | 19 ++ drivers/net/phy/Makefile | 2 + drivers/net/phy/mdio-mux-gpio.c | 142 +++++++++++++++ drivers/net/phy/mdio-mux.c | 192 ++++++++++++++++++++ drivers/net/phy/mdio_bus.c | 32 ++++ drivers/of/of_mdio.c | 2 + include/linux/mdio-mux.h | 21 ++ include/linux/of_mdio.h | 2 + 10 files changed, 675 insertions(+), 0 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