[PATCH V3 12/14] ARM: dts: stm32: Repair PMIC configuration on AV96

[Marek Vasut]

On 4/1/20 9:34 AM, Patrick DELAUNAY wrote:
> Hi Marek and Pascal,

Hi,

[...]

>> @@ -167,7 +178,7 @@
>>
>>  			vddcore: buck1 {
>>  				regulator-name = "vddcore";
>> -				regulator-min-microvolt = <1200000>;
>> +				regulator-min-microvolt = <800000>;
> 
> I don't understood this modification, If I correctly remember, on STM32MP15x 
> On ST boards, we set this value to 1200000 to protect VDDCORE on
> SOC (it is not allowed to be reduce lower than 1,2V.
> 
> 0.8V is the minimal supported voltage by STPMIC but not the minal expected 
> VDDCORE.

Then we should likely drop this part.

That said, is the core voltage supposed to be 1V2 even in sleep states ?

>> @@ -185,8 +196,8 @@
>>
>>  			vdd: buck3 {
>>  				regulator-name = "vdd";
>> -				regulator-min-microvolt = <3300000>;
>> -				regulator-max-microvolt = <3300000>;
>> +				regulator-min-microvolt = <2900000>;
>> +				regulator-max-microvolt = <2900000>;
>>  				regulator-always-on;
>>  				st,mask_reset;
>>  				regulator-initial-mode = <0>;
>> @@ -268,6 +279,7 @@
>>  				regulator-name = "vbus_otg";
>>  				interrupts = <IT_OCP_OTG 0>;
>>  				interrupt-parent = <&pmic>;
>> +				regulator-active-discharge = <1>;
> 
> It seems this setting introduced other-consumption, it should not be used.

Other-consumption ? What does that mean ?