12eb32b0aSMugunthan V NTI SoC Ethernet Switch Controller Device Tree Bindings 22eb32b0aSMugunthan V N------------------------------------------------------ 32eb32b0aSMugunthan V N 42eb32b0aSMugunthan V NRequired properties: 52eb32b0aSMugunthan V N- compatible : Should be "ti,cpsw" 62eb32b0aSMugunthan V N- reg : physical base address and size of the cpsw 72eb32b0aSMugunthan V N registers map 82eb32b0aSMugunthan V N- interrupts : property with a value describing the interrupt 92eb32b0aSMugunthan V N number 102eb32b0aSMugunthan V N- interrupt-parent : The parent interrupt controller 112eb32b0aSMugunthan V N- cpdma_channels : Specifies number of channels in CPDMA 122eb32b0aSMugunthan V N- ale_entries : Specifies No of entries ALE can hold 132eb32b0aSMugunthan V N- bd_ram_size : Specifies internal descriptor RAM size 142eb32b0aSMugunthan V N- rx_descs : Specifies number of Rx descriptors 152eb32b0aSMugunthan V N- mac_control : Specifies Default MAC control register content 162eb32b0aSMugunthan V N for the specific platform 172eb32b0aSMugunthan V N- slaves : Specifies number for slaves 1878ca0b28SRichard Cochran- cpts_active_slave : Specifies the slave to use for time stamping 1900ab94eeSRichard Cochran- cpts_clock_mult : Numerator to convert input clock ticks into nanoseconds 2000ab94eeSRichard Cochran- cpts_clock_shift : Denominator to convert input clock ticks into nanoseconds 212eb32b0aSMugunthan V N- phy_id : Specifies slave phy id 222eb32b0aSMugunthan V N- mac-address : Specifies slave MAC address 232eb32b0aSMugunthan V N 242eb32b0aSMugunthan V NOptional properties: 252eb32b0aSMugunthan V N- ti,hwmods : Must be "cpgmac0" 262eb32b0aSMugunthan V N- no_bd_ram : Must be 0 or 1 27*d9ba8f9eSMugunthan V N- dual_emac : Specifies Switch to act as Dual EMAC 28*d9ba8f9eSMugunthan V N- dual_emac_res_vlan : Specifies VID to be used to segregate the ports 292eb32b0aSMugunthan V N 302eb32b0aSMugunthan V NNote: "ti,hwmods" field is used to fetch the base address and irq 312eb32b0aSMugunthan V Nresources from TI, omap hwmod data base during device registration. 322eb32b0aSMugunthan V NFuture plan is to migrate hwmod data base contents into device tree 332eb32b0aSMugunthan V Nblob so that, all the required data will be used from device tree dts 342eb32b0aSMugunthan V Nfile. 352eb32b0aSMugunthan V N 362eb32b0aSMugunthan V NExamples: 372eb32b0aSMugunthan V N 382eb32b0aSMugunthan V N mac: ethernet@4A100000 { 392eb32b0aSMugunthan V N compatible = "ti,cpsw"; 402eb32b0aSMugunthan V N reg = <0x4A100000 0x1000>; 412eb32b0aSMugunthan V N interrupts = <55 0x4>; 422eb32b0aSMugunthan V N interrupt-parent = <&intc>; 43e07b94f1SMugunthan V N cpdma_channels = <8>; 44e07b94f1SMugunthan V N ale_entries = <1024>; 45e07b94f1SMugunthan V N bd_ram_size = <0x2000>; 46e07b94f1SMugunthan V N no_bd_ram = <0>; 47e07b94f1SMugunthan V N rx_descs = <64>; 48e07b94f1SMugunthan V N mac_control = <0x20>; 49e07b94f1SMugunthan V N slaves = <2>; 5078ca0b28SRichard Cochran cpts_active_slave = <0>; 5100ab94eeSRichard Cochran cpts_clock_mult = <0x80000000>; 5200ab94eeSRichard Cochran cpts_clock_shift = <29>; 53e07b94f1SMugunthan V N cpsw_emac0: slave@0 { 54549985eeSRichard Cochran phy_id = <&davinci_mdio>, <0>; 55e07b94f1SMugunthan V N /* Filled in by U-Boot */ 56e07b94f1SMugunthan V N mac-address = [ 00 00 00 00 00 00 ]; 572eb32b0aSMugunthan V N }; 58e07b94f1SMugunthan V N cpsw_emac1: slave@1 { 59549985eeSRichard Cochran phy_id = <&davinci_mdio>, <1>; 60e07b94f1SMugunthan V N /* Filled in by U-Boot */ 61e07b94f1SMugunthan V N mac-address = [ 00 00 00 00 00 00 ]; 622eb32b0aSMugunthan V N }; 632eb32b0aSMugunthan V N }; 642eb32b0aSMugunthan V N 652eb32b0aSMugunthan V N(or) 662eb32b0aSMugunthan V N mac: ethernet@4A100000 { 672eb32b0aSMugunthan V N compatible = "ti,cpsw"; 682eb32b0aSMugunthan V N ti,hwmods = "cpgmac0"; 69e07b94f1SMugunthan V N cpdma_channels = <8>; 70e07b94f1SMugunthan V N ale_entries = <1024>; 71e07b94f1SMugunthan V N bd_ram_size = <0x2000>; 72e07b94f1SMugunthan V N no_bd_ram = <0>; 73e07b94f1SMugunthan V N rx_descs = <64>; 74e07b94f1SMugunthan V N mac_control = <0x20>; 75e07b94f1SMugunthan V N slaves = <2>; 7678ca0b28SRichard Cochran cpts_active_slave = <0>; 7700ab94eeSRichard Cochran cpts_clock_mult = <0x80000000>; 7800ab94eeSRichard Cochran cpts_clock_shift = <29>; 79e07b94f1SMugunthan V N cpsw_emac0: slave@0 { 80549985eeSRichard Cochran phy_id = <&davinci_mdio>, <0>; 81e07b94f1SMugunthan V N /* Filled in by U-Boot */ 82e07b94f1SMugunthan V N mac-address = [ 00 00 00 00 00 00 ]; 832eb32b0aSMugunthan V N }; 84e07b94f1SMugunthan V N cpsw_emac1: slave@1 { 85549985eeSRichard Cochran phy_id = <&davinci_mdio>, <1>; 86e07b94f1SMugunthan V N /* Filled in by U-Boot */ 87e07b94f1SMugunthan V N mac-address = [ 00 00 00 00 00 00 ]; 882eb32b0aSMugunthan V N }; 892eb32b0aSMugunthan V N }; 90