Re: [PATCH v10 4/4] rtc: ds1307: add frequency_test_enable sysfs attribute to check tick on m41txx

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Il 18/07/2018 18:26, Andy Shevchenko ha scritto:
On Wed, Jul 18, 2018 at 5:09 PM, Giulio Benetti
<giulio.benetti@xxxxxxxxxxxxxxxx> wrote:
On m41txx you can enable open-drain OUT pin to check if offset is ok.
Enabling OUT pin with frequency_test_enable attribute, OUT pin will tick
512 times faster than 1s tick base.

Enable or Disable FT bit on CONTROL register if freq_test is 1 or 0.

Taking into consideration the amount of patches per hour you need to
slow down a bit.


You're right, I'm really sorry about it.

Giulio



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