Re: [PATCH v4 4/9] pinctrl: sunxi: Support I/O bias voltage setting on H6

From: Linus Walleij
Date: Tue Apr 23 2019 - 06:32:39 EST


On Sat, Apr 13, 2019 at 6:54 PM <megous@xxxxxxxxxx> wrote:

> From: Ondrej Jirman <megous@xxxxxxxxxx>
>
> H6 SoC has a "pio group withstand voltage mode" register (datasheet
> description), that needs to be used to select either 1.8V or 3.3V I/O mode,
> based on what voltage is powering the respective pin banks and is thus used
> for I/O signals.
>
> Add support for configuring this register according to the voltage of the
> pin bank regulator (if enabled).
>
> This is similar to the support for I/O bias voltage setting patch for A80
> and the same concerns apply. See:
>
> commit 402bfb3c1352 ("Support I/O bias voltage setting on A80")
>
> Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
> Acked-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxx>

This patch applied to the pinctrl tree for v5.2.

Yours,
Linus Walleij