Re: [PATCH 0/4] ARM: dts: meson8b: add VDDEE / mali-supply
From: Kevin Hilman
Date: Tue Jun 11 2019 - 19:36:46 EST
Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx> writes:
> EC-100 and Odroid-C1 use a "copy" of the VCCK regulator as "VDDEE"
> regulator. VDDEE supplies the Mali GPU and various other bits within
> the SoC.
> The VDDEE regulator is not exclusive to the Mali GPU so it must not
> change it's voltage. The GPU OPP table has a fixed voltage for all
> frequencies of 1.10V. This matches with what u-boot sets on my EC-100
> and Odroid-C1.
> - compile time: patch #4 depends on my other patch "ARM: meson8b-mxq:
> better support for the TRONFY MXQ" from 
> - runtime: we don't want the kernel to change the output of the VDDEE
> regulator to the maximum value. Thus the PWM driver has to be able
> to read the PWM period and duty cycle from u-boot. This is supported
> with my series called "pwm-meson: cleanups and improvements" from 
Just FYI... unless I hear otherwise, I'll wait for the PWM cleanups to
land before queuing this series.