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-rw-r--r--src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb b/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb
index 4289a4b624..43a23a19c4 100644
--- a/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb
+++ b/src/mainboard/intel/shadowmountain/variants/baseboard/devicetree.cb
@@ -188,7 +188,14 @@ chip soc/intel/alderlake
device pci 0a.0 off end # Crash-log SRAM
device pci 0d.0 on end # USB xHCI
device pci 0d.1 off end # USB xDCI (OTG)
- device pci 0d.2 on end # TBT DMA0
+ device pci 0d.2 on
+ chip drivers/intel/usb4/retimer
+ register "dfp" = "{
+ [0] = {.power_gpio = ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_H19),},
+ [1] = {.power_gpio = ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_H19),}}"
+ device generic 0 on end
+ end
+ end
device pci 0d.3 on end # TBT DMA1
device pci 0e.0 off end # VMD
device pci 10.0 off end