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d4993e19da
Add the compatibility string documentation for SiFive FU540-C0000 interface. On the FU540, this driver also needs to read and write registers in a management IP block that monitors or drives boundary signals for the GEMGXL IP block that are not directly mapped to GEMGXL registers. Therefore, add additional range to "reg" property for SiFive GEMGXL management IP registers. Signed-off-by: Yash Shah <yash.shah@sifive.com> Reviewed-by: Paul Walmsley <paul.walmsley@sifive.com> Signed-off-by: David S. Miller <davem@davemloft.net>
56 lines
2.2 KiB
Plaintext
56 lines
2.2 KiB
Plaintext
* Cadence MACB/GEM Ethernet controller
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Required properties:
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- compatible: Should be "cdns,[<chip>-]{macb|gem}"
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Use "cdns,at91rm9200-emac" Atmel at91rm9200 SoC.
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Use "cdns,at91sam9260-macb" for Atmel at91sam9 SoCs.
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Use "cdns,sam9x60-macb" for Microchip sam9x60 SoC.
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Use "cdns,np4-macb" for NP4 SoC devices.
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Use "cdns,at32ap7000-macb" for other 10/100 usage or use the generic form: "cdns,macb".
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Use "cdns,pc302-gem" for Picochip picoXcell pc302 and later devices based on
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the Cadence GEM, or the generic form: "cdns,gem".
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Use "atmel,sama5d2-gem" for the GEM IP (10/100) available on Atmel sama5d2 SoCs.
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Use "atmel,sama5d3-macb" for the 10/100Mbit IP available on Atmel sama5d3 SoCs.
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Use "atmel,sama5d3-gem" for the Gigabit IP available on Atmel sama5d3 SoCs.
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Use "atmel,sama5d4-gem" for the GEM IP (10/100) available on Atmel sama5d4 SoCs.
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Use "cdns,zynq-gem" Xilinx Zynq-7xxx SoC.
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Use "cdns,zynqmp-gem" for Zynq Ultrascale+ MPSoC.
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Use "sifive,fu540-macb" for SiFive FU540-C000 SoC.
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Or the generic form: "cdns,emac".
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- reg: Address and length of the register set for the device
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For "sifive,fu540-macb", second range is required to specify the
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address and length of the registers for GEMGXL Management block.
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- interrupts: Should contain macb interrupt
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- phy-mode: See ethernet.txt file in the same directory.
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- clock-names: Tuple listing input clock names.
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Required elements: 'pclk', 'hclk'
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Optional elements: 'tx_clk'
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Optional elements: 'rx_clk' applies to cdns,zynqmp-gem
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Optional elements: 'tsu_clk'
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- clocks: Phandles to input clocks.
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The MAC address will be determined using the optional properties
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defined in ethernet.txt.
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Optional properties for PHY child node:
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- reset-gpios : Should specify the gpio for phy reset
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- magic-packet : If present, indicates that the hardware supports waking
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up via magic packet.
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- phy-handle : see ethernet.txt file in the same directory
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Examples:
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macb0: ethernet@fffc4000 {
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compatible = "cdns,at32ap7000-macb";
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reg = <0xfffc4000 0x4000>;
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interrupts = <21>;
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phy-mode = "rmii";
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local-mac-address = [3a 0e 03 04 05 06];
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clock-names = "pclk", "hclk", "tx_clk";
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clocks = <&clkc 30>, <&clkc 30>, <&clkc 13>;
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ethernet-phy@1 {
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reg = <0x1>;
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reset-gpios = <&pioE 6 1>;
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};
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};
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