tree 4c089f2f48d78d8db5fca13c2c833701488ef366
parent 8143d03d514377a67f520f0a66c4344ffcb6d35d
author Karthikeyan Ramasubramanian <kramasub@google.com> 1620159661 -0600
committer Felix Held <felix-coreboot@felixheld.de> 1620254336 +0000

mb/google/guybrush: Configure Pen Detect device

Pen Detect GPIO is exported through GPIO keys driver to the kernel so
that stylus tools is popped on pen eject event. Hence enable the GPIO
keys driver and configure the devicetree.

BUG=b:186011392
TEST=Build and boot to OS in guybrush. Ensure that PRP0001 device is
added to the ACPI SSDT table. Ensure that the Pen Eject events are
detected.
Event: time 1620159356.243180, type 5 (EV_SW), code 15 (SW_PEN_INSERTED), value 1
Event: time 1620159356.243180, -------------- SYN_REPORT ------------
Event: time 1620159356.735316, type 5 (EV_SW), code 15 (SW_PEN_INSERTED), value 0
Ensure that when the device is suspended, it wake on Pen Eject event and
does not wake on Pen Insert event.

Change-Id: I4d2aa29c0f1839c563b40734527a687a5618ba5c
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52906
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Raul Rangel <rrangel@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>