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Diffstat (limited to 'Documentation/devicetree/bindings/net/socfpga-dwmac.txt')
-rw-r--r-- | Documentation/devicetree/bindings/net/socfpga-dwmac.txt | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/socfpga-dwmac.txt b/Documentation/devicetree/bindings/net/socfpga-dwmac.txt new file mode 100644 index 000000000..17d681966 --- /dev/null +++ b/Documentation/devicetree/bindings/net/socfpga-dwmac.txt @@ -0,0 +1,51 @@ +Altera SOCFPGA SoC DWMAC controller + +This is a variant of the dwmac/stmmac driver an inherits all descriptions +present in Documentation/devicetree/bindings/net/stmmac.txt. + +The device node has additional properties: + +Required properties: + - compatible : Should contain "altr,socfpga-stmmac" along with + "snps,dwmac" and any applicable more detailed + designware version numbers documented in stmmac.txt + - altr,sysmgr-syscon : Should be the phandle to the system manager node that + encompasses the glue register, the register offset, and the register shift. + - altr,f2h_ptp_ref_clk use f2h_ptp_ref_clk instead of default eosc1 clock + for ptp ref clk. This affects all emacs as the clock is common. + +Optional properties: +altr,emac-splitter: Should be the phandle to the emac splitter soft IP node if + DWMAC controller is connected emac splitter. +phy-mode: The phy mode the ethernet operates in +altr,sgmii-to-sgmii-converter: phandle to the TSE SGMII converter + +This device node has additional phandle dependency, the sgmii converter: + +Required properties: + - compatible : Should be altr,gmii-to-sgmii-2.0 + - reg-names : Should be "eth_tse_control_port" + +Example: + +gmii_to_sgmii_converter: phy@100000240 { + compatible = "altr,gmii-to-sgmii-2.0"; + reg = <0x00000001 0x00000240 0x00000008>, + <0x00000001 0x00000200 0x00000040>; + reg-names = "eth_tse_control_port"; + clocks = <&sgmii_1_clk_0 &emac1 1 &sgmii_clk_125 &sgmii_clk_125>; + clock-names = "tse_pcs_ref_clk_clock_connection", "tse_rx_cdr_refclk"; +}; + +gmac0: ethernet@ff700000 { + compatible = "altr,socfpga-stmmac", "snps,dwmac-3.70a", "snps,dwmac"; + altr,sysmgr-syscon = <&sysmgr 0x60 0>; + reg = <0xff700000 0x2000>; + interrupts = <0 115 4>; + interrupt-names = "macirq"; + mac-address = [00 00 00 00 00 00];/* Filled in by U-Boot */ + clocks = <&emac_0_clk>; + clock-names = "stmmaceth"; + phy-mode = "sgmii"; + altr,gmii-to-sgmii-converter = <&gmii_to_sgmii_converter>; +}; |