Re: [PATCH] powerpc: add fsl, fifo-depth property to Freescale SSI device nodes

[Kumar Gala <galak@kernel.crashing.org>]

On Mar 4, 2009, at 2:55 PM, Timur Tabi wrote:

> The Freescale Serial Synchronous Interface (SSI) is an audio device  
> present on
> some Freescale SOCs.  Various implementations of the SSI have a  
> different
> transmit and receive FIFO depth, but are otherwise identical.  To  
> support
> these variations, add a new property fsl,fifo-depth to the SSI node  
> that
> specifies the depth of the FIFOs.
>
> Also update the MPC8610 HPCD device tree with this property.
>
> Signed-off-by: Timur Tabi <timur@freescale.com>
> ---
>
> Updates to the SSI audio driver will come later.  Currently, this  
> driver
> supports only one Freescale SOC, and so it's hard-coded to use the  
> value 8.
> If/when this driver is updated to support other SOCs (e.g. the i.MX  
> parts
> that have a FIFO depth of 15), the driver will check for this  
> property.  I
> just want to get this DTS change in now.
>
> Documentation/powerpc/dts-bindings/fsl/ssi.txt |    2 ++
> arch/powerpc/boot/dts/mpc8610_hpcd.dts         |    2 ++
> 2 files changed, 4 insertions(+), 0 deletions(-)

applied to next

- k