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Diffstat (limited to 'Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml')
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diff --git a/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml b/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml new file mode 100644 index 000000000000..b99d7a694b70 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.yaml @@ -0,0 +1,162 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/dsa/vitesse,vsc73xx.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Vitesse VSC73xx DSA Switches + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: + The Vitesse DSA Switches were produced in the early-to-mid 2000s. + + The Vitesse company has been acquired by Microsemi and Microsemi has + been acquired Microchip but the new owner retains this vendor branding. + + The currently supported switch chips are + Vitesse VSC7385 SparX-G5 5+1-port Integrated Gigabit Ethernet Switch + Vitesse VSC7388 SparX-G8 8-port Integrated Gigabit Ethernet Switch + Vitesse VSC7395 SparX-G5e 5+1-port Integrated Gigabit Ethernet Switch + Vitesse VSC7398 SparX-G8e 8-port Integrated Gigabit Ethernet Switch + + This switch can use one of two different management interfaces. + + If SPI interface is used, the device tree node is an SPI device so it must + reside inside a SPI bus device tree node, see spi/spi-bus.txt + + When the chip is connected to a parallel memory bus and work in memory-mapped + I/O mode, a platform device is used to represent the vsc73xx. In this case it + must reside inside a platform bus device tree node. + +properties: + compatible: + enum: + - vitesse,vsc7385 + - vitesse,vsc7388 + - vitesse,vsc7395 + - vitesse,vsc7398 + + reg: + maxItems: 1 + + gpio-controller: true + "#gpio-cells": + const: 2 + + reset-gpios: + description: GPIO to be used to reset the whole device + maxItems: 1 + +allOf: + - $ref: dsa.yaml#/$defs/ethernet-ports + +# This checks if reg is a chipselect so the device is on an SPI +# bus, the if-clause will fail if reg is a tuple such as for a +# platform device. +if: + properties: + reg: + minimum: 0 + maximum: 256 +then: + $ref: /schemas/spi/spi-peripheral-props.yaml# + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-switch@0 { + compatible = "vitesse,vsc7395"; + reg = <0>; + spi-max-frequency = <2500000>; + gpio-controller; + #gpio-cells = <2>; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-port@0 { + reg = <0>; + label = "lan1"; + }; + ethernet-port@1 { + reg = <1>; + label = "lan2"; + }; + ethernet-port@2 { + reg = <2>; + label = "lan3"; + }; + ethernet-port@3 { + reg = <3>; + label = "lan4"; + }; + ethernet-port@6 { + reg = <6>; + ethernet = <&gmac1>; + phy-mode = "rgmii"; + fixed-link { + speed = <1000>; + full-duplex; + pause; + }; + }; + }; + }; + }; + + bus { + #address-cells = <1>; + #size-cells = <1>; + + ethernet-switch@10000000 { + compatible = "vitesse,vsc7385"; + reg = <0x10000000 0x20000>; + reset-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>; + + ethernet-ports { + #address-cells = <1>; + #size-cells = <0>; + + ethernet-port@0 { + reg = <0>; + label = "lan1"; + }; + ethernet-port@1 { + reg = <1>; + label = "lan2"; + }; + ethernet-port@2 { + reg = <2>; + label = "lan3"; + }; + ethernet-port@3 { + reg = <3>; + label = "lan4"; + }; + ethernet-port@6 { + reg = <6>; + ethernet = <&enet0>; + phy-mode = "rgmii"; + fixed-link { + speed = <1000>; + full-duplex; + pause; + }; + }; + }; + }; + }; |