[PATCH v3 0/2] ARM: OMAP4+: Fix gpmc_fck clock

Florian Vaussard florian.vaussard at epfl.ch
Thu Mar 13 04:33:28 EDT 2014


Hi,

On 02/26/2014 11:38 AM, Florian Vaussard wrote:
> Hello,
> 
> Trying to get my SMSC9221 working on OMAP4 with DT,
> I faced a misconfigured gpmc_fck (dummy clock set to 0)
> resulting in serveral division-by-zero, misconfigured
> timings and driver lost in the La La Land.
> 
> To solve this, patch 1 removes gpmc_fck from the dummy
> clocks, and patch 2 adds the gpmc_fck DT node and
> reference it from the gpmc node.
> 
> *Note*: For DRA7, there is no DTS node for the GPMC, so I
> was unable to set the corresponding clock. And without
> a public TRM, I cannot do much more.
> 
> Tested on DuoVero/Parlor (OMAP4430) with SMSC9221 (DTS
> was posted on the OMAP ML [1]).
> 
> Regards,
> Florian
> 
> [1] http://thread.gmane.org/gmane.linux.ports.arm.omap/110801
> ---
> Since v2:
> - Added OMAP5 and DRA7
> Since v1:
> - Removed the gpmc_fck clock node, and reference directly l3_ick
> 
> Florian Vaussard (2):
>   CLK: TI: OMAP4/5/DRA7: Remove gpmc_fck from dummy clocks
>   ARM: DTS: OMAP4/5: Use l3_ick for the gpmc node
> 

Any other comments on these two patches? If it is not going into 3.15
before the merge window, it will have to go through the -rc cycle as the
Duovero/Parlor .dts will be upstream.

Regards,
Florian

>  arch/arm/boot/dts/omap4.dtsi | 2 ++
>  arch/arm/boot/dts/omap5.dtsi | 2 ++
>  drivers/clk/ti/clk-44xx.c    | 1 -
>  drivers/clk/ti/clk-54xx.c    | 1 -
>  drivers/clk/ti/clk-7xx.c     | 1 -
>  5 files changed, 4 insertions(+), 3 deletions(-)
> 



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