On 4/2/20 2:53 PM, Pascal PAILLET-LME wrote:
> Hi Marek,
Hi,
[...]
>>>>>>> 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 ?
>>>>
>>>> It's a typo, Patrick means over-consumption.
>>>
>>> Ah. Do you have any details on that ?
>>
>> Sorry for typo.
>>
>> No details on my side, it was a Pascal Paillet's direct feedback (Maintainer
>> of
>> STPMIC1 driver in Linux).
> You can enable the active discharge on the STPMIC1's VBUSOTG. But, as soon as
> a USB host peripheral (such as laptop) will attach and provide VBUS, there
> will be a ~8mA continuous power consumption on VBUS through this OTG active
> discharge. There is no functional issue behind this 8mA; but you need to know
> that 8mA is not compliant with the USB suspend constraint (2.5mA max).
So why is it in there ?
