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| -rw-r--r-- | Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.txt | 81 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/vendor-prefixes.txt | 1 |
2 files changed, 82 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.txt b/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.txt new file mode 100644 index 000000000000..ed4710c40641 --- /dev/null +++ b/Documentation/devicetree/bindings/net/dsa/vitesse,vsc73xx.txt @@ -0,0 +1,81 @@ +Vitesse VSC73xx Switches +======================== + +This defines device tree bindings for the Vitesse VSC73xx switch chips. +The Vitesse company has been acquired by Microsemi and Microsemi in turn +acquired by Microchip but 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 + +The device tree node is an SPI device so it must reside inside a SPI bus +device tree node, see spi/spi-bus.txt + +Required properties: + +- compatible: must be exactly one of: + "vitesse,vsc7385" + "vitesse,vsc7388" + "vitesse,vsc7395" + "vitesse,vsc7398" +- gpio-controller: indicates that this switch is also a GPIO controller, + see gpio/gpio.txt +- #gpio-cells: this must be set to <2> and indicates that we are a twocell + GPIO controller, see gpio/gpio.txt + +Optional properties: + +- reset-gpios: a handle to a GPIO line that can issue reset of the chip. + It should be tagged as active low. + +Required subnodes: + +See net/dsa/dsa.txt for a list of additional required and optional properties +and subnodes of DSA switches. + +Examples: + +switch@0 { + compatible = "vitesse,vsc7395"; + reg = <0>; + /* Specified for 2.5 MHz or below */ + spi-max-frequency = <2500000>; + gpio-controller; + #gpio-cells = <2>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + label = "lan1"; + }; + port@1 { + reg = <1>; + label = "lan2"; + }; + port@2 { + reg = <2>; + label = "lan3"; + }; + port@3 { + reg = <3>; + label = "lan4"; + }; + vsc: port@6 { + reg = <6>; + label = "cpu"; + ethernet = <&gmac1>; + phy-mode = "rgmii"; + fixed-link { + speed = <1000>; + full-duplex; + pause; + }; + }; + }; +}; diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index 7cad066191ee..3e5398f87eac 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -395,6 +395,7 @@ v3 V3 Semiconductor variscite Variscite Ltd. via VIA Technologies, Inc. virtio Virtual I/O Device Specification, developed by the OASIS consortium +vitesse Vitesse Semiconductor Corporation vivante Vivante Corporation vocore VoCore Studio voipac Voipac Technologies s.r.o. |