18c2ecf20Sopenharmony_ciBroadcom iProc Multi Host Bridge (MHB) 28c2ecf20Sopenharmony_ci 38c2ecf20Sopenharmony_ciCertain Broadcom iProc SoCs have a multi host bridge (MHB) block that controls 48c2ecf20Sopenharmony_cithe connection and configuration of 1) internal PCIe serdes; 2) PCIe endpoint 58c2ecf20Sopenharmony_ciinterface; 3) access to the Nitro (network processing) engine 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ciThis node allows access to these MHB registers via syscon. 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ciRequired properties: 108c2ecf20Sopenharmony_ci- compatible: should contain: 118c2ecf20Sopenharmony_ci "brcm,sr-mhb", "syscon" for Stingray 128c2ecf20Sopenharmony_ci- reg: base address and range of the MHB registers 138c2ecf20Sopenharmony_ci 148c2ecf20Sopenharmony_ciExample: 158c2ecf20Sopenharmony_ci mhb: syscon@60401000 { 168c2ecf20Sopenharmony_ci compatible = "brcm,sr-mhb", "syscon"; 178c2ecf20Sopenharmony_ci reg = <0 0x60401000 0 0x38c>; 188c2ecf20Sopenharmony_ci }; 19