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authorRon Lee <ron.lee@intel.com>2022-12-13 19:48:59 +0800
committerFelix Held <felix-coreboot@felixheld.de>2023-02-08 15:47:29 +0000
commit558952ae7c8b47e20cfd3daaa98db9c49b353776 (patch)
treef341b1df3ef2e5264ad026f792e759b2d05de4ce /src/mainboard/google/brya/variants/brya0
parente40cbcf036817b882f745b8a49b8a23646469066 (diff)
mb/google/brya: Add usb_lpm_incapable for Type-C port with PS8815
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. This patch add usb_lpm_incapable config for the following variants with PS8815 retimer: - kinox MLB: C0 - volmar DB: C1 - osiris MLB: C0/C1 - mithrax DB: C1 - felwinter DB: C1 - taeko DB: C1 - gimble DB: C1 - gimble4es DB: C1 - taniks DB: C1 - marasov DB: C2 - gaelin MLB: C0/C1 - skolas DB: C1 - skolas4es DB: C1 - brya0 DB: C1 BUG=b:253402457 TEST=Plug in device and check LPM sysfs nodes are disabled localhost ~ # cat /sys/bus/usb/devices/2-X/power/usb3_hardware_lpm_u1 disabled localhost ~ # cat /sys/bus/usb/devices/2-X/power/usb3_hardware_lpm_u2 disabled Change-Id: Ie9246ff7908887404f49ec10ee781c8cba410557 Signed-off-by: Ron Lee <ron.lee@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/71925 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Kapil Porwal <kapilporwal@google.com>
Diffstat (limited to 'src/mainboard/google/brya/variants/brya0')
-rw-r--r--src/mainboard/google/brya/variants/brya0/overridetree.cb1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/brya0/overridetree.cb b/src/mainboard/google/brya/variants/brya0/overridetree.cb
index 20215c717c..73ba7965b6 100644
--- a/src/mainboard/google/brya/variants/brya0/overridetree.cb
+++ b/src/mainboard/google/brya/variants/brya0/overridetree.cb
@@ -847,6 +847,7 @@ chip soc/intel/alderlake
register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
register "use_custom_pld" = "true"
register "custom_pld" = "ACPI_PLD_TYPE_C(RIGHT, LEFT, ACPI_PLD_GROUP(2, 1))"
+ register "usb_lpm_incapable" = "true"
device ref tcss_usb3_port2 on end
end
chip drivers/usb/acpi