mb/google/brya/var/omnigul: Add usb_lpm_incapable for DB Type-C port
Intel ADL-P USB Type-C ports are not compatible with Parade PS8815
retimer on USB U1/U2 transition. The usb_lpm_incapable config is
used to disable USB U1/U2 transition for these Type-C ports.
BUG=b:277149723
BRANCH=firmware-brya-14505.B
TEST=Plug in device and check LPM sysfs nodes are disabled
localhost ~ # cat /sys/bus/usb/devices/2-3/power/usb3_hardware_lpm_u1
disabled
localhost ~ # cat /sys/bus/usb/devices/2-3/power/usb3_hardware_lpm_u2
disabled
Change-Id: I618cd09f45ede0a76cf46b3e467ba87775dd5d9d
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74246
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Ron Lee <ron.lee@intel.com>
Reviewed-by: Derek Huang <derekhuang@google.com>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
diff --git a/src/mainboard/google/brya/variants/omnigul/overridetree.cb b/src/mainboard/google/brya/variants/omnigul/overridetree.cb
index 2af7db4..6ba5ba0 100644
--- a/src/mainboard/google/brya/variants/omnigul/overridetree.cb
+++ b/src/mainboard/google/brya/variants/omnigul/overridetree.cb
@@ -336,6 +336,7 @@
register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
register "use_custom_pld" = "true"
register "custom_pld" = "ACPI_PLD_TYPE_C(LEFT, RIGHT, ACPI_PLD_GROUP(2, 1))"
+ register "usb_lpm_incapable" = "true"
device ref tcss_usb3_port3 on end
end
end