1c66ec88fSEmmanuel Vadot* Aspeed BT (Block Transfer) IPMI interface 2c66ec88fSEmmanuel Vadot 3c66ec88fSEmmanuel VadotThe Aspeed SOCs (AST2400 and AST2500) are commonly used as BMCs 4c66ec88fSEmmanuel Vadot(BaseBoard Management Controllers) and the BT interface can be used to 5c66ec88fSEmmanuel Vadotperform in-band IPMI communication with their host. 6c66ec88fSEmmanuel Vadot 7c66ec88fSEmmanuel VadotRequired properties: 8c66ec88fSEmmanuel Vadot 9c66ec88fSEmmanuel Vadot- compatible : should be one of 10c66ec88fSEmmanuel Vadot "aspeed,ast2400-ibt-bmc" 11c66ec88fSEmmanuel Vadot "aspeed,ast2500-ibt-bmc" 128cc087a1SEmmanuel Vadot "aspeed,ast2600-ibt-bmc" 13c66ec88fSEmmanuel Vadot- reg: physical address and size of the registers 14*e67e8565SEmmanuel Vadot- clocks: clock for the device 15c66ec88fSEmmanuel Vadot 16c66ec88fSEmmanuel VadotOptional properties: 17c66ec88fSEmmanuel Vadot 18c66ec88fSEmmanuel Vadot- interrupts: interrupt generated by the BT interface. without an 19c66ec88fSEmmanuel Vadot interrupt, the driver will operate in poll mode. 20c66ec88fSEmmanuel Vadot 21c66ec88fSEmmanuel VadotExample: 22c66ec88fSEmmanuel Vadot 23c66ec88fSEmmanuel Vadot ibt@1e789140 { 24c66ec88fSEmmanuel Vadot compatible = "aspeed,ast2400-ibt-bmc"; 25c66ec88fSEmmanuel Vadot reg = <0x1e789140 0x18>; 26c66ec88fSEmmanuel Vadot interrupts = <8>; 27*e67e8565SEmmanuel Vadot clocks = <&syscon ASPEED_CLK_GATE_LCLK>; 28c66ec88fSEmmanuel Vadot }; 29