[PATCH v6 2/2] phy: qcom: qmp-usb: Add support for SA8255P

[Mattijs Korpershoek]

On Fri, Oct 16, 2026 at 21:16, Manivannan Sadhasivam <mani at kernel.org> wrote:

> On 2026-10-02 11:39 +0200, Mattijs Korpershoek wrote:
>> From: Sriram Dash <quic_sriramd at quicinc.com>
>> 
>> The Qualcomm automotive SA8255p SoC relies on firmware to configure
>> platform resources, including clocks, interconnects and TLMM.
>> The driver requests resources operations over SCMI using power protocols.
>> 
>> The SCMI power protocol enables or disables resources like clocks,
>> interconnect paths, and TLMM (GPIOs) using runtime PM framework APIs,
>> such as resume/suspend, to control power on/off.
>> 
>> Power domain "core" controls the GDSC, resets, and TLMM (GPIOs)
>> whereas power domain "transfer" controls clocks and interconnects.
>> 
>> In this variant, two disjoint sets of resources are modeled against
>> the power domain suppliers which can be turned on/off to achieve modeled
>> device states. Two modeled low power states d1 and d3 are supported.
>> 
>> transition: d0 <--> d3  :: both core and transfer suppliers
>> transition: d0 <--> d1  :: only transfer supplier
>> 
>> Signed-off-by: Sriram Dash <quic_sriramd at quicinc.com>
>> Signed-off-by: Shazad Hussain <quic_shazhuss at quicinc.com>
>> Reviewed-by: Neil Armstrong <neil.armstrong at linaro.org>
>> Signed-off-by: Mattijs Korpershoek <mkorpershoek at kernel.org>
>
> Same comment as the other series.

Yes, thank you. I'll work on the other series and once we have something
that's good there I'll create a v7 here.

Thanks
Mattijs

>
> - Mani