Gh0st
/
linux
mirror of https://github.com/torvalds/linux.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

usb: dwc3: imx8mp: Set out of band wakeup for i.MX95 

i.MX95 DWC3 inside HSIOMIX could still wakeup Linux, even if HSIOMIX
power domain(Digital logic) is off. There is still always on logic
have the wakeup capability which is out band wakeup capbility.

So use device_set_out_band_wakeup for i.MX95 to make sure DWC3 could
wakeup system even if HSIOMIX power domain is in off state.

Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Tested-by: Xu Yang <xu.yang_2@nxp.com>
Reviewed-by: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Peng Fan 2025-09-22 10:21:10 +08:00 committed by Ulf Hansson
parent 854825367a
commit 198576665b
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/usb/dwc3/dwc3-imx8mp.c
View File

@ -334,10 +334,15 @@ static int dwc3_imx8mp_pm_suspend(struct device *dev)
ret = dwc3_imx8mp_suspend(dwc3_imx, PMSG_SUSPEND);
if (device_may_wakeup(dwc3_imx->dev))
if (device_may_wakeup(dwc3_imx->dev)) {
enable_irq_wake(dwc3_imx->irq);
else
if (device_is_compatible(dev, "fsl,imx95-dwc3"))
device_set_out_band_wakeup(dev);
} else {
clk_disable_unprepare(dwc3_imx->suspend_clk);
}
clk_disable_unprepare(dwc3_imx->hsio_clk);
dev_dbg(dev, "dwc3 imx8mp pm suspend.\n");