diff options
Diffstat (limited to 'Documentation/devicetree/bindings/net/macb.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/net/macb.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/macb.txt b/Documentation/devicetree/bindings/net/macb.txt new file mode 100644 index 000000000..3e17ac1d5 --- /dev/null +++ b/Documentation/devicetree/bindings/net/macb.txt @@ -0,0 +1,49 @@ +* Cadence MACB/GEM Ethernet controller + +Required properties: +- compatible: Should be "cdns,[<chip>-]{macb|gem}" + Use "cdns,at91rm9200-emac" Atmel at91rm9200 SoC. + Use "cdns,at91sam9260-macb" for Atmel at91sam9 SoCs or the 10/100Mbit IP + available on sama5d3 SoCs. + Use "cdns,np4-macb" for NP4 SoC devices. + Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb". + Use "cdns,pc302-gem" for Picochip picoXcell pc302 and later devices based on + the Cadence GEM, or the generic form: "cdns,gem". + Use "atmel,sama5d2-gem" for the GEM IP (10/100) available on Atmel sama5d2 SoCs. + Use "atmel,sama5d3-macb" for the 10/100Mbit IP available on Atmel sama5d3 SoCs. + Use "atmel,sama5d3-gem" for the Gigabit IP available on Atmel sama5d3 SoCs. + Use "atmel,sama5d4-gem" for the GEM IP (10/100) available on Atmel sama5d4 SoCs. + Use "cdns,zynq-gem" Xilinx Zynq-7xxx SoC. + Use "cdns,zynqmp-gem" for Zynq Ultrascale+ MPSoC. + Or the generic form: "cdns,emac". +- reg: Address and length of the register set for the device +- interrupts: Should contain macb interrupt +- phy-mode: See ethernet.txt file in the same directory. +- clock-names: Tuple listing input clock names. + Required elements: 'pclk', 'hclk' + Optional elements: 'tx_clk' + Optional elements: 'rx_clk' applies to cdns,zynqmp-gem + Optional elements: 'tsu_clk' +- clocks: Phandles to input clocks. + +Optional properties for PHY child node: +- reset-gpios : Should specify the gpio for phy reset +- magic-packet : If present, indicates that the hardware supports waking + up via magic packet. +- phy-handle : see ethernet.txt file in the same directory + +Examples: + + macb0: ethernet@fffc4000 { + compatible = "cdns,at32ap7000-macb"; + reg = <0xfffc4000 0x4000>; + interrupts = <21>; + phy-mode = "rmii"; + local-mac-address = [3a 0e 03 04 05 06]; + clock-names = "pclk", "hclk", "tx_clk"; + clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>; + ethernet-phy@1 { + reg = <0x1>; + reset-gpios = <&pioE 6 1>; + }; + }; |