[PATCH V1 4/4] arm64: dts: qcom: hamoa-iot-evk: Enable UFS

Konrad Dybcio konrad.dybcio at oss.qualcomm.com
Tue Dec 30 06:48:43 PST 2025


On 12/30/25 3:19 PM, Konrad Dybcio wrote:
> On 12/30/25 9:58 AM, Pradeep Pragallapati wrote:
>>
>> On 12/29/2025 5:47 PM, Konrad Dybcio wrote:
>>> On 12/29/25 7:06 AM, Pradeep P V K wrote:
>>>> Enable UFS for HAMOA-IOT-EVK board.
>>>>
>>>> Signed-off-by: Pradeep P V K <pradeep.pragallapati at oss.qualcomm.com>
>>>> ---
>>> [...]
>>>
>>>> +&ufs_mem_hc {
>>>> +    reset-gpios = <&tlmm 238 GPIO_ACTIVE_LOW>;
>>>> +
>>>> +    vcc-supply = <&vreg_l17b_2p5>;
>>>> +    vcc-max-microamp = <1300000>;
>>> I think they should both be 1.2 A peak
>>>
>>> Konrad
>> This (1.3 A) is as per Hamoa power grid, which is same as SM8550.
> 
> Please check again, I opened the power grid tab in the internal
> documentation source that shall remain nameless and it said 1200 mA
> for both regulators

My source indeed said 1.2 and Pradeep's source indeed said 1.3

Because we don't know the source of this disjoint information we
agreed to keep the higher value, especially since it was battle-tested

Konrad



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