tree 97d4f8252d3edcf7f6f77bddefd09b7a2c58caf2
parent 97cd5bdeae3ae95010d0c2437e761777e4fd617d
author Paweł Anikiel <panikiel@google.com> 1697466135 +0000
committer Jakub Czapiga <czapiga@google.com> 1698147145 +0000

drivers/wwan/fm: Wake up modem on PEWAKE# signal change

Create an event handler for the PEWAKE# GPIO and notify the device
driver to wake up the device.

BUG=b:301150499
TEST=Compiled and tested on google/redrix:
1. Enable runtime suspend for linux mtk_t7xx driver
2. Wait for device to enter suspended state
3. Modem should be able to wake up driver, e.g. on SIM card insert/eject
The interrupts should show up under /proc/interrupts as ACPI:Event

Signed-off-by: Paweł Anikiel <panikiel@google.com>
Change-Id: I32257689da85ea71f9de781093b3ede0cfe70a0e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78297
Reviewed-by: Jakub Czapiga <czapiga@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>