1*c66ec88fSEmmanuel VadotAeroflex Gaisler GRGPIO General Purpose I/O cores. 2*c66ec88fSEmmanuel Vadot 3*c66ec88fSEmmanuel VadotThe GRGPIO GPIO core is available in the GRLIB VHDL IP core library. 4*c66ec88fSEmmanuel Vadot 5*c66ec88fSEmmanuel VadotNote: In the ordinary environment for the GRGPIO core, a Leon SPARC system, 6*c66ec88fSEmmanuel Vadotthese properties are built from information in the AMBA plug&play. 7*c66ec88fSEmmanuel Vadot 8*c66ec88fSEmmanuel VadotRequired properties: 9*c66ec88fSEmmanuel Vadot 10*c66ec88fSEmmanuel Vadot- name : Should be "GAISLER_GPIO" or "01_01a" 11*c66ec88fSEmmanuel Vadot 12*c66ec88fSEmmanuel Vadot- reg : Address and length of the register set for the device 13*c66ec88fSEmmanuel Vadot 14*c66ec88fSEmmanuel Vadot- interrupts : Interrupt numbers for this device 15*c66ec88fSEmmanuel Vadot 16*c66ec88fSEmmanuel VadotOptional properties: 17*c66ec88fSEmmanuel Vadot 18*c66ec88fSEmmanuel Vadot- nbits : The number of gpio lines. If not present driver assumes 32 lines. 19*c66ec88fSEmmanuel Vadot 20*c66ec88fSEmmanuel Vadot- irqmap : An array with an index for each gpio line. An index is either a valid 21*c66ec88fSEmmanuel Vadot index into the interrupts property array, or 0xffffffff that indicates 22*c66ec88fSEmmanuel Vadot no irq for that line. Driver provides no interrupt support if not 23*c66ec88fSEmmanuel Vadot present. 24*c66ec88fSEmmanuel Vadot 25*c66ec88fSEmmanuel VadotFor further information look in the documentation for the GLIB IP core library: 26*c66ec88fSEmmanuel Vadothttp://www.gaisler.com/products/grlib/grip.pdf 27