162306a36Sopenharmony_ciBroadcom iProc Multi Host Bridge (MHB) 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciCertain Broadcom iProc SoCs have a multi host bridge (MHB) block that controls 462306a36Sopenharmony_cithe connection and configuration of 1) internal PCIe serdes; 2) PCIe endpoint 562306a36Sopenharmony_ciinterface; 3) access to the Nitro (network processing) engine 662306a36Sopenharmony_ci 762306a36Sopenharmony_ciThis node allows access to these MHB registers via syscon. 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciRequired properties: 1062306a36Sopenharmony_ci- compatible: should contain: 1162306a36Sopenharmony_ci "brcm,sr-mhb", "syscon" for Stingray 1262306a36Sopenharmony_ci- reg: base address and range of the MHB registers 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ciExample: 1562306a36Sopenharmony_ci mhb: syscon@60401000 { 1662306a36Sopenharmony_ci compatible = "brcm,sr-mhb", "syscon"; 1762306a36Sopenharmony_ci reg = <0 0x60401000 0 0x38c>; 1862306a36Sopenharmony_ci }; 19