Messages in this thread | | | From | Kevin Hilman <> | Subject | Re: [PATCH 0/4] ARM: dts: meson8b: add VDDEE / mali-supply | Date | Thu, 13 Jun 2019 12:43:36 -0700 |
| |
Martin Blumenstingl <martin.blumenstingl@googlemail.com> writes:
> On Wed, Jun 12, 2019 at 1:32 AM Kevin Hilman <khilman@baylibre.com> wrote: >> >> 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. > > I'm happy with that because I'm not sure what will happen *without* > the PWM improvements
OK, then I'll rely on you to ping (or resend) on this series to remind me when the PWM stuff has landed.
Thanks,
Kevin
| |