1*c66ec88fSEmmanuel VadotBroadcom iProc Multi Host Bridge (MHB) 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotCertain Broadcom iProc SoCs have a multi host bridge (MHB) block that controls 4*c66ec88fSEmmanuel Vadotthe connection and configuration of 1) internal PCIe serdes; 2) PCIe endpoint 5*c66ec88fSEmmanuel Vadotinterface; 3) access to the Nitro (network processing) engine 6*c66ec88fSEmmanuel Vadot 7*c66ec88fSEmmanuel VadotThis node allows access to these MHB registers via syscon. 8*c66ec88fSEmmanuel Vadot 9*c66ec88fSEmmanuel VadotRequired properties: 10*c66ec88fSEmmanuel Vadot- compatible: should contain: 11*c66ec88fSEmmanuel Vadot "brcm,sr-mhb", "syscon" for Stingray 12*c66ec88fSEmmanuel Vadot- reg: base address and range of the MHB registers 13*c66ec88fSEmmanuel Vadot 14*c66ec88fSEmmanuel VadotExample: 15*c66ec88fSEmmanuel Vadot mhb: syscon@60401000 { 16*c66ec88fSEmmanuel Vadot compatible = "brcm,sr-mhb", "syscon"; 17*c66ec88fSEmmanuel Vadot reg = <0 0x60401000 0 0x38c>; 18*c66ec88fSEmmanuel Vadot }; 19