[PATCH 2/3] powerpc/85xx: add pixis indirect mode device tree node

[Kumar Gala]

On Nov 18, 2011, at 11:50 AM, Timur Tabi wrote:

> The Freescale P1022 has a unique pin muxing "feature" where the DIU video
> controller's video signals are muxed with 24 of the local bus address signals.
> When the DIU is enabled, the bulk of the local bus is disabled, preventing
> access to memory-mapped devices like NOR flash and the pixis FPGA.
> 
> In this situation, the pixis supports "indirect mode", which allows access
> to the pixis itself by reading/writing addresses on specific local bus
> chip selects.  CS0 is used to select which pixis register to access, and
> CS1 is used to read/write the value.
> 
> To support this, we introduce another board-control child node of the
> localbus node that contains a 'reg' property for CS0 and CS1.  This will
> produce the correct physical addresses for CS0 and CS1.
> 
> Signed-off-by: Timur Tabi <timur at freescale.com>
> ---
> arch/powerpc/boot/dts/p1022ds.dts |   14 ++++++++++++++
> 1 files changed, 14 insertions(+), 0 deletions(-)

applied to next

- k