13c263bc7SAlan TullAltera Freeze Bridge Controller Driver 23c263bc7SAlan Tull 33c263bc7SAlan TullThe Altera Freeze Bridge Controller manages one or more freeze bridges. 43c263bc7SAlan TullThe controller can freeze/disable the bridges which prevents signal 53c263bc7SAlan Tullchanges from passing through the bridge. The controller can also 63c263bc7SAlan Tullunfreeze/enable the bridges which allows traffic to pass through the 73c263bc7SAlan Tullbridge normally. 83c263bc7SAlan Tull 93c263bc7SAlan TullRequired properties: 103c263bc7SAlan Tull- compatible : Should contain "altr,freeze-bridge-controller" 113c263bc7SAlan Tull- regs : base address and size for freeze bridge module 123c263bc7SAlan Tull 133c263bc7SAlan TullOptional properties: 143c263bc7SAlan Tull- bridge-enable : 0 if driver should disable bridge at startup 153c263bc7SAlan Tull 1 if driver should enable bridge at startup 163c263bc7SAlan Tull Default is to leave bridge in current state. 173c263bc7SAlan Tull 183c263bc7SAlan TullExample: 193c263bc7SAlan Tull freeze-controller@100000450 { 203c263bc7SAlan Tull compatible = "altr,freeze-bridge-controller"; 213c263bc7SAlan Tull regs = <0x1000 0x10>; 223c263bc7SAlan Tull bridge-enable = <0>; 233c263bc7SAlan Tull }; 24