On Wed, May 19, 2021 at 3:58 AM 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 [1], is unable to write > pinmux registers from user space. The series now makes it possible to > write these registers from the pins debug file. Even for debugfs it would be nice to have a piece of documentation. Because pin control is a quite sensitive area and if something goes wrong, it may damage the hardware. > [1] https://www.ti.com/lit/ug/spruh73q/spruh73q.pdf -- With Best Regards, Andy Shevchenko
