Differential D9833

extres: clk: Export clkdom and clocks under sysctl.
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Authored by manu on Feb 28 2017, 9:05 AM.

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rS314699: Export a sysctl dev.<clkdom>.<unit>.clocks for each clock domain containing

Summary

Each clock domain export a sysctl dev.clkdom.unit.clocks containing all the

clocks that they provide.
Each clocks are exported under the root node 'clock.' and have the following
children nodes :
- frequency
- parent (The selected parent, if any)
- parents (The list of parents, if any)
- childrens (The list of childrens, if any)
- enable_cnt (The enabled counter)

This give us the possibility to examine clocks at runtime and make graph of
the clock flow.

Test Plan

Tested on Allwinner board with EXT_RESOURCES>

Diff Detail

Repository

rS FreeBSD src repository - subversion

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manu updated this revision to Diff 25781.Feb 28 2017, 9:05 AM

manu retitled this revision from to extres: clk: Export clkdom and clocks under sysctl..

manu updated this object.

manu edited the test plan for this revision. (Show Details)

manu added reviewers: ARM, mmel.

manu set the repository for this revision to rS FreeBSD src repository - subversion.

manu added a project: ARM.

manu added a subscriber: ARM.

Herald added a subscriber: imp. · View Herald TranscriptFeb 28 2017, 9:05 AM

Perfect :)

This revision is now accepted and ready to land.Mar 2 2017, 5:18 PM

Closed by commit rS314699: Export a sysctl dev.<clkdom>.<unit>.clocks for each clock domain containing (authored by manu). · Explain WhyMar 5 2017, 7:13 AM

This revision was automatically updated to reflect the committed changes.

I have build error on sys/mips/mediatek today.

Do you have advice this ?

https://lists.freebsd.org/pipermail/freebsd-mips/2017-March/004733.html

Revision Contents
Changeset List

Path

Size

head/

sys/

dev/

extres/

clk/

118 lines

kern/

5 lines

sys/

3 lines

Diff 25989

head/sys/dev/extres/clk/clk.c

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head/sys/kern/kern_mib.c

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head/sys/sys/sysctl.h

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