188decb02SRay JuiBroadcom iProc Multi Host Bridge (MHB) 288decb02SRay Jui 388decb02SRay JuiCertain Broadcom iProc SoCs have a multi host bridge (MHB) block that controls 488decb02SRay Juithe connection and configuration of 1) internal PCIe serdes; 2) PCIe endpoint 588decb02SRay Juiinterface; 3) access to the Nitro (network processing) engine 688decb02SRay Jui 788decb02SRay JuiThis node allows access to these MHB registers via syscon. 888decb02SRay Jui 988decb02SRay JuiRequired properties: 1088decb02SRay Jui- compatible: should contain: 1188decb02SRay Jui "brcm,sr-mhb", "syscon" for Stingray 1288decb02SRay Jui- reg: base address and range of the MHB registers 1388decb02SRay Jui 1488decb02SRay JuiExample: 1588decb02SRay Jui mhb: syscon@60401000 { 1688decb02SRay Jui compatible = "brcm,sr-mhb", "syscon"; 1788decb02SRay Jui reg = <0 0x60401000 0 0x38c>; 1888decb02SRay Jui }; 19