--- zzzz-none-000/linux-3.10.107/Documentation/devicetree/bindings/net/cpsw.txt 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/Documentation/devicetree/bindings/net/cpsw.txt 2021-02-04 17:41:59.000000000 +0000 @@ -2,7 +2,11 @@ ------------------------------------------------------ Required properties: -- compatible : Should be "ti,cpsw" +- compatible : Should be one of the below:- + "ti,cpsw" for backward compatible + "ti,am335x-cpsw" for AM335x controllers + "ti,am4372-cpsw" for AM437x controllers + "ti,dra7-cpsw" for DRA7x controllers - reg : physical base address and size of the cpsw registers map - interrupts : property with a value describing the interrupt @@ -24,14 +28,30 @@ - ti,hwmods : Must be "cpgmac0" - no_bd_ram : Must be 0 or 1 - dual_emac : Specifies Switch to act as Dual EMAC +- syscon : Phandle to the system control device node, which is + the control module device of the am33x +- mode-gpios : Should be added if one/multiple gpio lines are + required to be driven so that cpsw data lines + can be connected to the phy via selective mux. + For example in dra72x-evm, pcf gpio has to be + driven low so that cpsw slave 0 and phy data + lines are connected via mux. + Slave Properties: Required properties: -- phy_id : Specifies slave phy id -- mac-address : Specifies slave MAC address +- phy-mode : See ethernet.txt file in the same directory Optional properties: - dual_emac_res_vlan : Specifies VID to be used to segregate the ports +- mac-address : See ethernet.txt file in the same directory +- phy_id : Specifies slave phy id +- phy-handle : See ethernet.txt file in the same directory + +Slave sub-nodes: +- fixed-link : See fixed-link.txt file in the same directory + Either the property phy_id, or the sub-node + fixed-link can be specified Note: "ti,hwmods" field is used to fetch the base address and irq resources from TI, omap hwmod data base during device registration. @@ -56,13 +76,16 @@ active_slave = <0>; cpts_clock_mult = <0x80000000>; cpts_clock_shift = <29>; + syscon = <&cm>; cpsw_emac0: slave@0 { phy_id = <&davinci_mdio>, <0>; + phy-mode = "rgmii-txid"; /* Filled in by U-Boot */ mac-address = [ 00 00 00 00 00 00 ]; }; cpsw_emac1: slave@1 { phy_id = <&davinci_mdio>, <1>; + phy-mode = "rgmii-txid"; /* Filled in by U-Boot */ mac-address = [ 00 00 00 00 00 00 ]; }; @@ -82,13 +105,16 @@ active_slave = <0>; cpts_clock_mult = <0x80000000>; cpts_clock_shift = <29>; + syscon = <&cm>; cpsw_emac0: slave@0 { phy_id = <&davinci_mdio>, <0>; + phy-mode = "rgmii-txid"; /* Filled in by U-Boot */ mac-address = [ 00 00 00 00 00 00 ]; }; cpsw_emac1: slave@1 { phy_id = <&davinci_mdio>, <1>; + phy-mode = "rgmii-txid"; /* Filled in by U-Boot */ mac-address = [ 00 00 00 00 00 00 ]; };