Re: [PATCH 1/4] ARM: dts: exynos: Add missing used PMIC regulators on Exynos5422 Odroid boards

[Krzysztof Kozlowski]

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