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dt-bindings: net: mdio-gpio: add compatible for microchip,mdio-smi0 

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>
This commit is contained in:
Michael Grzeschik 2021-04-27 09:09:09 +02:00 committed by David S. Miller
parent 60a3647600
commit 61b405985a
1 changed files with 1 additions and 0 deletions
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Documentation/devicetree/bindings/net/mdio-gpio.txt
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@ -2,6 +2,7 @@ MDIO on GPIOs
Currently defined compatibles: Currently defined compatibles:
- virtual,gpio-mdio - virtual,gpio-mdio
- microchip,mdio-smi0
MDC and MDIO lines connected to GPIO controllers are listed in the MDC and MDIO lines connected to GPIO controllers are listed in the
gpios property as described in section VIII.1 in the following order: gpios property as described in section VIII.1 in the following order: