lkml.org 
[lkml]   [2016]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v3 4/7] clk: qcom: ipq4019: Added all the frequencies for apps cpu
On 2016-11-02 06:54, Stephen Boyd wrote:
> On 09/21, Abhishek Sahu wrote:
>> The APPS CPU clock does not contain all the frequencies in its
>> frequency table so this patch adds the same.
>>
>> Signed-off-by: Abhishek Sahu <absahu@codeaurora.org>
>> ---
>> drivers/clk/qcom/gcc-ipq4019.c | 12 +++++++++++-
>> 1 file changed, 11 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/clk/qcom/gcc-ipq4019.c
>> b/drivers/clk/qcom/gcc-ipq4019.c
>> index 211c68c..160e0cf 100644
>> --- a/drivers/clk/qcom/gcc-ipq4019.c
>> +++ b/drivers/clk/qcom/gcc-ipq4019.c
>> @@ -565,10 +565,20 @@ static struct clk_rcg2 sdcc1_apps_clk_src = {
>> };
>>
>> static const struct freq_tbl ftbl_gcc_apps_clk[] = {
>> - F(48000000, P_XO, 1, 0, 0),
>> + F(48000000, P_XO, 1, 0, 0),
>> F(200000000, P_FEPLL200, 1, 0, 0),
>> + F(380000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(409000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(444000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(484000000, P_DDRPLLAPSS, 1, 0, 0),
>> F(500000000, P_FEPLL500, 1, 0, 0),
>> + F(507000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(532000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(560000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(592000000, P_DDRPLLAPSS, 1, 0, 0),
>> F(626000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(666000000, P_DDRPLLAPSS, 1, 0, 0),
>> + F(710000000, P_DDRPLLAPSS, 1, 0, 0),
>> { }
>> };
>
> Can't we have the determine_rate callback know the speeds of the
> "fixed" PLLs and use those first if the rate hits exactly? And
> then if that doesn't happen go try ddrpllapps and set the rate on
> it? I'm hoping we can get rid of this frequency table.
This clock is being registered with QCOM clk_rcg2 operations which
already has determine_rate callback based on this frequency table.
Currently all the frequencies are being generated without HID
divider but in future, we can have some frequency which will use
dividers also.
--
Abhishek Sahu

\
 
 \ /
  Last update: 2016-11-24 13:46    [W:0.078 / U:0.028 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site