linux-kernel - Re: [PATCH 2/6] pinctrl: sunxi: Add I/O bias setting for H6 R-PIO

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Message-ID: <4405996.LvFx2qVVIh@jernej-laptop>
Date:   Mon, 27 Jun 2022 22:34:00 +0200
From:   Jernej Škrabec <jernej.skrabec@...il.com>
To:     Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Samuel Holland <samuel@...lland.org>
Cc:     Samuel Holland <samuel@...lland.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Maxime Ripard <mripard@...nel.org>, Ondrej Jirman <x@....cz>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH 2/6] pinctrl: sunxi: Add I/O bias setting for H6 R-PIO

Dne nedelja, 26. junij 2022 ob 04:11:43 CEST je Samuel Holland napisal(a):
> H6 requires I/O bias configuration on both of its PIO devices.
> Previously it was only done for the main PIO.
> 
> The setting for Port L is at bit 0, so the bank calculation needs to
> account for the pin base. Otherwise the wrong bit is used.
> 
> Fixes: cc62383fcebe ("pinctrl: sunxi: Support I/O bias voltage setting on
> H6") Signed-off-by: Samuel Holland <samuel@...lland.org>

Reviewed-by: Jernej Skrabec <jernej.skrabec@...il.com>

Did you noticed any improvement with this properly set? In theory, 3.3 V bias 
should always work, right?

Best regards,
Jernej