Re: [PATCH v3 0/3] am335x: set pinmux registers from pins debug file
From: Linus Walleij
Date: Mon May 24 2021 - 20:18:41 EST
On Thu, May 20, 2021 at 10:27 PM Dario Binacchi <dariobin@xxxxxxxxx> wrote:
> The patch was born from the need to change the slew rate of the LCD pins
> of a custom AM335x board during EMC tests. The AM335x, as described in a
> note in section 9.1 of its reference manual , is unable to write
> pinmux registers from user space. The series now makes it possible to
> write these registers from the pins debug file.
I am going to hold this series back pending more discussion on the ABI
and whether it is useful.