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* dt-bindings: net: mdio-gpio: add compatible for microchip,mdio-smi0Michael Grzeschik2021-04-271-0/+1
| | | | | | | | | | | | | | Microchip SMI0 Mode is a special mode, where the MDIO Read/Write commands are part of the PHY Address and the OP Code is always 0. We add the compatible for this special mode of the bitbanged mdio driver. Cc: devicetree@vger.kernel.org Reviewed-by: Andrew Lunn <andrew@lunn.ch> Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: mdio-gpio: fix device-tree binding documentationJohan Hovold2014-05-091-1/+1
| | | | | | | | Fix aliases syntax in device-tree binding example to avoid copy-paste errors (the alias would be dropped silently). Signed-off-by: Johan Hovold <jhovold@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* of/net/mdio-gpio: Fix pdev->id issue when using devicetrees.Srinivas Kandagatla2012-11-201-1/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | When the mdio-gpio driver is probed via device trees, the platform device id is set as -1, However the pdev->id is re-used as bus-id for while creating mdio gpio bus. So For device tree case the mdio-gpio bus name appears as "gpio-ffffffff" where as for non-device tree case the bus name appears as "gpio-<bus-num>" Which means the bus_id is fixed in device tree case, so we can't have two mdio gpio buses via device trees. Assigning a logical bus number via device tree solves the problem and the bus name is much consistent with non-device tree bus name. Without this patch 1. we can't support two mdio-gpio buses via device trees. 2. we should always pass gpio-ffffffff as bus name to phy_connect, very different to non-device tree bus name. So, setting up the bus_id via aliases from device tree is the right solution and other drivers do similar thing. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dt: Move device tree documentation out of powerpc directoryGrant Likely2011-01-311-0/+19
The device tree is used by more than just PowerPC. Make the documentation directory available to all. v2: reorganized files while moving to create arch and driver specific directories. Signed-off-by: Grant Likely <grant.likely@secretlab.ca> Acked-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>