lkml.org 
[lkml]   [2017]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC 06/12] Clk: qcom: support for dynamic updating the PLL
On 07/27, Abhishek Sahu wrote:
> Some of the Alpha PLL’s support dynamic update in which the
> frequency can be changed dynamically without turning off the PLL.
>
> This dynamic update requires the following sequence
>
> 1. Write the desired values to pll_l_val and pll_alpha_val.
> 2. Toggle pll_latch_input from low to high.
> 3. Wait for pll_ack_latch to transition from low to high.
> The new L and alpha values have been latched. It make
> take some time for the PLL to fully settle with these
> new values.
> 4. Pull pll_latch_input low.
>
> Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>

I think Rajendra has a similar patch that was sent. Is this the
same? Can you please look on the list and find it and compare?

--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project

\
 
 \ /
  Last update: 2017-07-28 20:35    [W:0.226 / U:11.900 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site