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Linux/Documentation/devicetree/bindings/gpio/gpio-grgpio.txt

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Diff markup

Differences between /Documentation/devicetree/bindings/gpio/gpio-grgpio.txt (Architecture alpha) and /Documentation/devicetree/bindings/gpio/gpio-grgpio.txt (Architecture m68k)


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

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