lkml.org 
[lkml]   [2019]   [Jun]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH 0/4] ARM: dts: meson8b: add VDDEE / mali-supply
Date
Martin Blumenstingl <martin.blumenstingl@googlemail.com> 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.
>
> Dependencies:
> - compile time: patch #4 depends on my other patch "ARM: meson8b-mxq:
> better support for the TRONFY MXQ" from [0]
> - 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 [1]

Just FYI... unless I hear otherwise, I'll wait for the PWM cleanups to
land before queuing this series.

Kevin

\
 
 \ /
  Last update: 2019-06-12 01:32    [W:0.070 / U:1.124 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site