[PATCH v7 0/5] Modify interrupt handling for eUSB2 Phy targets

[Krishna Kurapati]

On 10/12/2026 7:01 PM, Manivannan Sadhasivam wrote:
> On Sat, Sep 05, 2026 at 08:59:04PM +0530, Krishna Kurapati wrote:
>> eUSB2 targets handle wakeup interrupts differently depending on device
>> speed when operating in host mode.
>>
>> According to the eUSB2 specification, remote wakeup signaling in host
>> mode is detected via different data-line assertions based on the
>> connected device speed.
>>
>> When a low-speed device is connected, the host repeater drives eD+ to
>> logic '1' upon detecting a K-state on the USB lines during remote wakeup
>> (eUSB2 specification, Section 5.5.14).
>>
>> When a full-speed or high-speed device is connected, the host repeater
>> drives eD- to logic '1' upon detecting a K-state on the USB line during
>> remote wakeup (eUSB2 specification, Sections 5.5.15 and 5.5.18).
>>
>> Since the eUSB2 PHY's "DP" and "DM" interrupt lines monitor the eD+ and
>> eD- line states, configure the wakeup interrupts accordingly
>>
>> Add support for a new phy "type" attribute to be set by eusb2 phy drivers
>> and be read by consumers (in this case usb controller) and act accordingly
>>
>> Changes pushed on top of usb-testing branch. And v7 is only compile tested.
>>
> 
> I believe the merge strategy is to merge all the patches through PHY tree. If
> anyone feel otherwise, please yell at me.
> 
There is one existing comment from Vinod on v8-2/5:
https://lore.kernel.org/all/3a3cf540-816f-41a3-b31d-2902e7f4cf01@oss.qualcomm.com/

Once it is addressed, will send v9 on top of phy next.

Regards,
Krishna,