[PATCH] clk: add DT test clock consumer driver

Grant Likely grant.likely at secretlab.ca
Mon Apr 15 23:30:38 EST 2013


On Sat, 16 Mar 2013 14:09:36 +0100, Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com> wrote:
> This driver adds a DT test clock consumer that exposes debugfs files to
> enable/disable and set/get rate of the attached programmable clock.
> During development of a i2c-attached clock generator I found it useful
> to debug the clock generator's internal pll settings by enforcing clock
> rates through debugfs.
> 
> Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth at gmail.com>

Rather that using a DT binding to enable this, would it not be better to
have the debug interface bound entirely at runtime, and be able to
attach to pretty much any clock. It is less usable if it requires
modifying the dtb to use a debug feature.

g.



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