Am Donnerstag, 3. Oktober 2019, 23:50:34 CEST schrieb Soeren Moch: > The RockPro64 schematic [1] page 18 states a min voltage of 0.8V and a > max voltage of 1.4V for the VDD_LOG pwm regulator. However, there is an > additional note that the pwm parameter needs to be modified. > From the schematics a voltage range of 0.8V to 1.7V can be calculated. > Additional voltage measurements on the board show that this fix indeed > leads to the correct voltage, while without this fix the voltage was set > too high. > > [1] http://files.pine64.org/doc/rockpro64/rockpro64_v21-SCH.pdf > > Fixes: e4f3fb490967 ("arm64: dts: rockchip: add initial dts support for Rockpro64") > Signed-off-by: Soeren Moch <smoch@xxxxxx> applied as fix for 5.4 Thanks for going that extra mile with all the calculations and measurements Heiko _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip
