Re: [PATCH] ARM: multi_v7_defconfig: switch CONFIG_PWM_MESON to built-in

From: Kevin Hilman
Date: Wed Nov 28 2018 - 19:30:24 EST

Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> writes:

> Some Meson8b boards (Odroid-C1, EC-100) use a PWM regulator which is the
> voltage supply of the CPU cores (this regulator is typically called
> "VCCK").
> Now that we are preparing support for CPU frequency scaling on Meson8,
> Meson8b and Meson8m2 we should build the pwm-meson driver into the
> kernel so we can configure the CPU voltage early in the boot process.

Can you explain a little more why the configuration of CPU voltage
cannot wait a bit so this could be properly probed?