[PATCH 0/4] regulator: spacemit-p1: Fix voltage ranges and support board power tree

Javier Martinez Canillas javierm at redhat.com
Fri Jan 23 00:23:36 PST 2026


Yixun Lan <dlan at gentoo.org> writes:

Hello Yixun and Guodong,

> Hi Guodong,
>
> On 17:43 Thu 22 Jan     , Guodong Xu wrote:
>> This series fixes hardware voltage constraints and enables flexible power
>> tree configurations for the SpacemiT P1 PMIC.
>> 
>> Patch 1, n_voltages is corrected to match hardware register widths, as the
>> previous values prevented regulators from reaching higher operational
>> voltages (e.g., 3.3V on LDOs).
>> 
>> Patch 2-4, hardcoded supply assumptions are replaced with explicit
>> devicetree properties. PMIC supply connections are board-design decisions.
>> Moving this to DT allows supporting varied topologies without driver
>> modifications.
>> 
>> Note: Patch 3 introduces a bisect breakage by transitioning to
>> pin-specific supply names. Probe failures will occur on existing board
>> (K1 Bananapi F3) until Patch 4 updates the corresponding DTS file.
> This patch bring system-wide change that not only affect Bananapi F3..
>
> Please also provide fix for other boards, I think you may not be able
> to test all boards, but make sure the patches are available, so people
> who interested can test, P.S I can help on milkv jupiter board
>

I can also help testing on the milkv jupiter board.

-- 
Best regards,

Javier Martinez Canillas
Core Platforms
Red Hat




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