[PATCH 3/6] pinctrl: sunxi: Support the 2.5V I/O bias mode

[Heiko Stuebner]

Am Sonntag, 26. Juni 2022, 04:11:44 CEST schrieb Samuel Holland:
> H616 and newer SoCs feature a 2.5V I/O bias mode in addition to the
> 1.8V and 3.3V modes. This mode is entered by selecting the 3.3V level
> and disabling the "withstand function".
> 
> H616 supports this capability on its main PIO only. A100 supports this
> capability on both its PIO and R-PIO.
> 
> Signed-off-by: Samuel Holland <samuel at sholland.org>

On a D1-Nezha
Tested-by: Heiko Stuebner <heiko at sntech.de>