Re: [U-Boot] [PATCH v3 6/9] regulator: Add support for ramp delay

2019-02-19 Thread Krzysztof Kozlowski
On Mon, 18 Feb 2019 at 16:27, Torsten Duwe wrote: > > > But my main point is: is the required delay always a linear > > > function of the voltage jump? Depending on the dampening and > > > load on the rail this could be an overshoot and settle, no? > > > > > > So I suggest to make that an array w

Re: [U-Boot] [PATCH v3 6/9] regulator: Add support for ramp delay

2019-02-18 Thread Torsten Duwe
On Sat, Feb 16, 2019 at 10:45:45AM +0100, Krzysztof Kozlowski wrote: > Changing voltage and enabling regulator might require delays so the > regulator stabilizes at expected level. > > Add support for "regulator-ramp-delay" binding which can introduce > required time to both enabling the regulator

Re: [U-Boot] [PATCH v3 6/9] regulator: Add support for ramp delay

2019-02-18 Thread Torsten Duwe
On Mon, Feb 18, 2019 at 03:28:46PM +0100, Krzysztof Kozlowski wrote: > On Mon, 18 Feb 2019 at 15:03, Torsten Duwe wrote: > > > > > --- a/doc/device-tree-bindings/regulator/regulator.txt > > > +++ b/doc/device-tree-bindings/regulator/regulator.txt > > > @@ -35,6 +35,7 @@ Optional properties: > > >

Re: [U-Boot] [PATCH v3 6/9] regulator: Add support for ramp delay

2019-02-18 Thread Krzysztof Kozlowski
On Mon, 18 Feb 2019 at 15:03, Torsten Duwe wrote: > > On Sat, Feb 16, 2019 at 10:45:45AM +0100, Krzysztof Kozlowski wrote: > > Changing voltage and enabling regulator might require delays so the > > regulator stabilizes at expected level. > > > > Add support for "regulator-ramp-delay" binding whic