On 30 June 2017 at 14:14, Mark Brown <[email protected]> wrote: > On Fri, Jun 30, 2017 at 01:37:32PM +0200, Waldemar Rymarkiewicz wrote: > >> I am not sure if I understand. Do you mean, a regulator should >> determine a voltage and update a register with a right selector when >> system boots, so the regulator framework reading reg register knows >> actual voltage? > > Just don't provide a default value for the cache, regmap will do a > physical read if there's nothing in the cache for that register and > everything will work transparently.
Just want to understand well. "Physical read" means to read a register value? or determine actual value another way? As Thomas mentioned in previous email TPS65275 does not have a circuit to determine startup voltage at least I cannot see this in the datasheet. Data sheet: http://www.ti.com/lit/gpn/tps65273v /Waldek
