[PATCH] powerpc/85xx: clean up FPGA device tree nodes for Freecsale QorIQ boards

Kumar Gala kumar.gala at freescale.com
Wed Aug 31 12:26:40 EST 2011


On Aug 29, 2011, at 2:09 PM, Timur Tabi wrote:

> Standarize and document the FPGA nodes used on Freescale QorIQ reference
> boards.  There are three kinds of FPGAs used on the boards: pixis, qixis, and
> cpld.  Although their are minor differences among the boards that have one
> kind of FPGA, most of the functionality is the same, so it makes sense
> to create common compatibility strings.
> 
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
> 
> Changes for other Freescale boards will be made in future patches.
> 
> .../devicetree/bindings/powerpc/fsl/board.txt      |   30 ++++++++++++--------
> arch/powerpc/boot/dts/p1010rdb.dts                 |   10 ++----
> arch/powerpc/boot/dts/p1020rdb.dts                 |    7 ++++-
> arch/powerpc/boot/dts/p1022ds.dts                  |    2 +-
> arch/powerpc/boot/dts/p2020ds.dts                  |    5 +++
> arch/powerpc/boot/dts/p2020rdb.dts                 |    4 ++
> arch/powerpc/boot/dts/p2040rdb.dts                 |    8 ++++-
> arch/powerpc/boot/dts/p3041ds.dts                  |    4 +-
> arch/powerpc/boot/dts/p4080ds.dts                  |    8 ++++-
> arch/powerpc/boot/dts/p5020ds.dts                  |    4 +-
> 10 files changed, 55 insertions(+), 27 deletions(-)

Do we really want the generic "fsl,fpga-cpld" & "fsl,fpga-pixis"?  This seems to vague.  Also you need "pixis" on MPC8544DS, MPC8572DS, MPC8536DS.

Also fpga-cpld makes no sense if we keep this.  You are either a CPLD or FPGA not both.

- k


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