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Date: Thu, 13 Jun 2019 14:09:35 -0600 From: Rob Herring <robh@...nel.org> To: Michael Grzeschik <m.grzeschik@...gutronix.de> Cc: Tristram.Ha@...rochip.com, kernel@...gutronix.de, UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org, devicetree@...r.kernel.org Subject: Re: [RFC 3/3] dt-bindings: net: dsa: document additional Microchip KSZ8863 family switches On Wed, May 08, 2019 at 11:13:30PM +0200, Michael Grzeschik wrote: > Document additional Microchip KSZ8863 family switches. > > Show how KSZ8863 switch should be configured as the host port is port 3. > > Cc: devicetree@...r.kernel.org > Signed-off-by: Michael Grzeschik <m.grzeschik@...gutronix.de> > --- > .../devicetree/bindings/net/dsa/ksz.txt | 44 +++++++++++++++++++ > 1 file changed, 44 insertions(+) > > diff --git a/Documentation/devicetree/bindings/net/dsa/ksz.txt b/Documentation/devicetree/bindings/net/dsa/ksz.txt > index e7db7268fd0fd..4ac576e1cc34e 100644 > --- a/Documentation/devicetree/bindings/net/dsa/ksz.txt > +++ b/Documentation/devicetree/bindings/net/dsa/ksz.txt > @@ -5,6 +5,8 @@ Required properties: > > - compatible: For external switch chips, compatible string must be exactly one > of the following: > + - "microchip,ksz8863" > + - "microchip,ksz8873" > - "microchip,ksz9477" > - "microchip,ksz9897" > - "microchip,ksz9896" > @@ -31,6 +33,48 @@ Ethernet switch connected via SPI to the host, CPU port wired to eth0: > }; > }; > > + mdio0: mdio-gpio { Does this example show something new? Examples don't need to instantiate every possible option. > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_mdio_1>; > + compatible = "virtual,mdio-gpio"; > + #address-cells = <1>; > + #size-cells = <0>; > + gpios = <&gpio1 31 0 &gpio1 22 0>; > + > + ksz8863@3 { > + compatible = "microchip,ksz8863"; > + interrupt-parrent = <&gpio3>; > + interrupt = <30 IRQ_TYPE_LEVEL_HIGH>; > + reg = <0>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + ports@0 { > + reg = <0>; > + label = "lan1"; > + }; > + > + ports@1 { > + reg = <1>; > + label = "lan2"; > + }; > + > + ports@2 { > + reg = <2>; > + label = "cpu"; > + ethernet = <ð0>; > + > + fixed-link { > + speed = <100>; > + full-duplex; > + }; > + }; > + }; > + }; > + }; > + > spi1: spi@...08000 { > pinctrl-0 = <&pinctrl_spi_ksz>; > cs-gpios = <&pioC 25 0>; > -- > 2.20.1 >
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