Re: [PATCH 0/3] iio: adc: add mt6397 PMIC AUXADC support
From: Andy Shevchenko
Date: Wed Sep 16 2026 - 06:00:48 EST
On Tue, Sep 15, 2026 at 11:15:25PM -0500, Ryan Brue wrote:
> The MediaTek mt6397 PMIC has a 10-bit AUXADC that nothing in-tree can
> reach. On boards built around it that ADC is the only path to the battery:
> the SoC's AUXADC is wired to board thermistors, and the charger ICs these
> boards use have no ADC at all, so without it there is no pack voltage and
> no state of charge.
This doesn't explain why a brand new driver? Perhaps we have existing code that
may be updated to support this device?
--
With Best Regards,
Andy Shevchenko