Re: [PATCH] pinctrl: aspeed: Fix GPIO mux value for ADC-capable balls

Linus Walleij <[email protected]>
Newsgroups org.ozlabs.lists.linux-aspeed,org.infradead.lists.linux-arm-kernel,org.kernel.vger.linux-gpio,org.kernel.vger.linux-kernel,org.ozlabs.lists.openbmc
Message-ID <CAD++jL==MdwmEM_9aHqfCnTfd4=g174Ytk3dZti0pwqcfU_UOw@mail.gmail.com> 
On Fri, Jun 5, 2026 at 8:38 AM Billy Tsai <[email protected]> wrote:

> aspeed_g7_soc1_gpio_request_enable() unconditionally writes mux
> function 0 to route the requested pin to GPIO. This is wrong for the
> ADC-capable balls W17 through AB19 (ADC0-ADC15), where function 0
> selects the ADC input and function 1 selects GPIO. Requesting one of
> those GPIOs therefore muxed the ball to ADC instead.
>
> Write mux value 1 for balls W17 through AB19 so the GPIO function is
> actually selected.
>
> Fixes: 4af4eb66aac3 ("pinctrl: aspeed: Add AST2700 SoC1 support")
> Signed-off-by: Billy Tsai <[email protected]>

Patch applied! Will be for v7.2 at this point.

Yours,
Linus Walleij
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.