Hi Krzysztof, On Sun, 12 Aug 2018 at 18:55, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote: > > On 11 August 2018 at 08:39, Anand Moon <linux.amoon@xxxxxxxxx> wrote: > > Hi Krzysztof, > > > > These patches should also be ported to u-boot to enable PMIC. > > > > I was just looking into S2MPS11B data sheet > > According to the 1.2 Key Features of S2MPS11 > > > > BUCK1, BUCK2, BUCK3, BUCK4, BUCK6 have (0.65 V to 1.6 V) min /max range. > > BUCK5 have (0.65 V to 2.0 V) min /max range. > > BUCK7 have (1.2 V to 1.5 V) min / max range. > > BUCK8 have (1.8 V to 2.1 V) min / max range. > > BUCK10 have (0.75 V to 1.4 V) min / max range. > > > > BUCKBOST9 (3.0 V to 3.75 V) min / max range. > > > > LDO1, LDO6, LDO11, LDO22, LDO23, LDO27, LDO35 (0.8 V to 2.375 V) min / max range > > > > LDO2, LDO3, LDO5, LDO7, LDO9, LDO10, LD012, LDO13, LDO14, LDO15, > > LDO16, LDO17, LDO18, LDO19, LDO20, LD021, LDO24, LDO25, LDO26, > > LDO28, LDO29, LDO30, LDO31, LDO32, LDO33, LDO34, LDO36, LDO37, LDO38 > > (0.8 V to 3.95 V) min / max range > > > > I am aware off we have configures the min/max range as per board schematics. > > but each regulator support dynamic voltage scale and have different > > turn on/off voltage and current rating. > > > > So why are we not setting the regulator-min-microvolt / > > regulator-max-microvolt as per datasheets. > > Please correct me if I am wrong. > > Which regulators are not configured as in datasheet? > > Best regards, > Krzysztof Almost all the regulator have some miss default match of min/max setting. I have tried to adjust the setting on top your above patches. I am attaching my patch diff for testing. I have have perform some stress testing and found no issue at my end. Best Regards -Anand
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