[Bug 293398] Support cru PLL on RK3588

[email protected] Tue, 24 Feb 2026 05:44:37 +0000
Newsgroups gmane.os.freebsd.devel.arm
Message-ID <[email protected]/bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293398

            Bug ID: 293398
           Summary: Support cru PLL on RK3588
           Product: Base System
           Version: 14.3-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: arm
          Assignee: [email protected]
          Reporter: [email protected]

Created attachment 268320
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=268320&action=edit
Patch for issue

This adds support for the cru PLL on the RK3588 platform.

This is extracted for ease of review from a large set of
changes which supports the cru on the RK3588 platform.

Include are changes to the various XXX_clk_pll_set_freq
functions to honor the CLK_SET_DRYRUN flag (meaning indicate
if a requested frequency is supported without actually
making the change).

RK3588 support tested using a FriendlyElec NanoPC-T6 LTS
on FreeBSD 14 stable (with various other RK3588 patches).

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