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Date: Wed, 8 May 2019 23:13:30 +0200 From: Michael Grzeschik <m.grzeschik@...gutronix.de> To: Tristram.Ha@...rochip.com Cc: kernel@...gutronix.de, UNGLinuxDriver@...rochip.com, netdev@...r.kernel.org, devicetree@...r.kernel.org Subject: [RFC 3/3] dt-bindings: net: dsa: document additional Microchip KSZ8863 family switches 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 { + 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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