* Programmable clock in salvator-x
@ 2016-02-09 9:47 Hamza Farooq
2016-02-10 21:13 ` Laurent Pinchart
0 siblings, 1 reply; 2+ messages in thread
From: Hamza Farooq @ 2016-02-09 9:47 UTC (permalink / raw)
To: linux-sh
Hi,
in order to use IDT 5P49V5923A programmable clock for DU, I was
wondering if the driver for it is already available/present in the
Linux source tree. It seems to be present on the board but not
used/enabled from salvator-x device tree.
programable_clk0 and programable_clk01 seem to be used in du node but
not associated with IDT clock chip. Or am I overlooking something?
Thanks and best regards,
Hamza
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Programmable clock in salvator-x
2016-02-09 9:47 Programmable clock in salvator-x Hamza Farooq
@ 2016-02-10 21:13 ` Laurent Pinchart
0 siblings, 0 replies; 2+ messages in thread
From: Laurent Pinchart @ 2016-02-10 21:13 UTC (permalink / raw)
To: linux-sh
Hi Hamza,
On Tuesday 09 February 2016 10:47:39 Hamza Farooq wrote:
> Hi,
>
> in order to use IDT 5P49V5923A programmable clock for DU, I was
> wondering if the driver for it is already available/present in the
> Linux source tree. It seems to be present on the board but not
> used/enabled from salvator-x device tree.
>
> programable_clk0 and programable_clk01 seem to be used in du node but
> not associated with IDT clock chip. Or am I overlooking something?
All clock drivers are available in drivers/clk/. Quickly looking through that
direction I don't see a driver specifically for the 5P49V5923A. If the chip is
pin-to-pin compatible with another component from a different vendor you might
be to reuse one of the existing drivers, otherwise you will need to develop a
new one.
--
Regards,
Laurent Pinchart
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2016-02-09 9:47 Programmable clock in salvator-x Hamza Farooq
2016-02-10 21:13 ` Laurent Pinchart
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