diff options
| author | Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com> | 2023-04-06 11:00:08 +0800 |
|---|---|---|
| committer | Subrata Banik <subratabanik@google.com> | 2023-04-10 03:58:43 +0000 |
| commit | 7143e96f65ee83be8be7f19bbffd8e621bfbf5b2 (patch) | |
| tree | 82bf2226ad95f7b0324e7d6b9a67205122ba6354 /src | |
| parent | 132a3ab1a71aa19a38eef9bb81f1b8e8ec437495 (diff) | |
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>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/omnigul/overridetree.cb | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/omnigul/overridetree.cb b/src/mainboard/google/brya/variants/omnigul/overridetree.cb index 2af7db4288..6ba5ba0b3c 100644 --- a/src/mainboard/google/brya/variants/omnigul/overridetree.cb +++ b/src/mainboard/google/brya/variants/omnigul/overridetree.cb @@ -336,6 +336,7 @@ chip soc/intel/alderlake 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 |