From 558952ae7c8b47e20cfd3daaa98db9c49b353776 Mon Sep 17 00:00:00 2001 From: Ron Lee Date: Tue, 13 Dec 2022 19:48:59 +0800 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/71925 Tested-by: build bot (Jenkins) Reviewed-by: Kapil Porwal --- src/mainboard/google/brya/variants/volmar/overridetree.cb | 1 + 1 file changed, 1 insertion(+) (limited to 'src/mainboard/google/brya/variants/volmar') diff --git a/src/mainboard/google/brya/variants/volmar/overridetree.cb b/src/mainboard/google/brya/variants/volmar/overridetree.cb index 956e74c218..624e096e0d 100644 --- a/src/mainboard/google/brya/variants/volmar/overridetree.cb +++ b/src/mainboard/google/brya/variants/volmar/overridetree.cb @@ -368,6 +368,7 @@ 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, RIGHT, ACPI_PLD_GROUP(2, 1))" + register "usb_lpm_incapable" = "true" device ref tcss_usb3_port3 on end end end -- cgit v1.2.3