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lemp12: Enable TCSS Type-C port, PMC mux and retimer #281

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lemp12: Enable TCSS Type-C port, PMC mux and retimer #281

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9597eb5
mb/system76/rpl: Select DRIVERS_INTEL_PMC and DRIVERS_INTEL_USB4_RETIMER
Aug 12, 2026
3f55b23
mb/system76/lemp12: Enable TCSS Type-C port, PMC mux and retimer
Aug 12, 2026
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2 changes: 2 additions & 0 deletions src/mainboard/system76/rpl/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ config BOARD_SYSTEM76_RPL_COMMON
select DRIVERS_GENERIC_CBFS_SERIAL
select DRIVERS_GENERIC_CBFS_UUID
select DRIVERS_I2C_HID
select DRIVERS_INTEL_PMC
select DRIVERS_INTEL_USB4_RETIMER
select EC_SYSTEM76_EC
select EC_SYSTEM76_EC_LOCKDOWN
select HAVE_ACPI_RESUME
Expand Down
79 changes: 78 additions & 1 deletion src/mainboard/system76/rpl/variants/lemp12/overridetree.cb
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Original file line number Diff line number Diff line change
Expand Up @@ -12,8 +12,23 @@ chip soc/intel/alderlake
device ref tbt_pcie_rp0 on end
device ref tcss_xhci on
register "tcss_ports[0]" = "TCSS_PORT_DEFAULT(OC_SKIP)"
chip drivers/usb/acpi
device ref tcss_root_hub on
chip drivers/usb/acpi
register "desc" = ""TBT Type-C""
register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
device ref tcss_usb3_port1 on end
end
end
end
end
device ref tcss_dma0 on
chip drivers/intel/usb4/retimer
register "dfp[0].power_gpio" = "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPP_E4)"
use tcss_usb3_port1 as dfp[0].typec_port
device generic 0 on end
end
end
device ref tcss_dma0 on end
device ref xhci on
register "usb2_ports" = "{
[0] = USB2_PORT_MID(OC_SKIP), /* Type-A Left */
Expand All @@ -28,6 +43,56 @@ chip soc/intel/alderlake
[1] = USB3_PORT_DEFAULT(OC_SKIP), /* Type-A Right */
[3] = USB3_PORT_DEFAULT(OC_SKIP), /* 3G/LTE */
}"
# ACPI
chip drivers/usb/acpi
device ref xhci_root_hub on
chip drivers/usb/acpi
register "desc" = ""USB2 Type-A Left""
register "type" = "UPC_TYPE_A"
device ref usb2_port1 on end
end
chip drivers/usb/acpi
register "desc" = ""USB2 Type-A Right""
register "type" = "UPC_TYPE_A"
device ref usb2_port2 on end
end
chip drivers/usb/acpi
register "desc" = ""USB2 Type-C""
register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
device ref usb2_port3 on end
end
chip drivers/usb/acpi
register "desc" = ""USB2 3G/LTE""
register "type" = "UPC_TYPE_INTERNAL"
device ref usb2_port4 on end
end
chip drivers/usb/acpi
register "desc" = ""USB2 Camera""
register "type" = "UPC_TYPE_INTERNAL"
device ref usb2_port7 on end
end
chip drivers/usb/acpi
register "desc" = ""USB2 Bluetooth""
register "type" = "UPC_TYPE_INTERNAL"
device ref usb2_port10 on end
end
chip drivers/usb/acpi
register "desc" = ""USB3 Type-A Left""
register "type" = "UPC_TYPE_A"
device ref usb3_port1 on end
end
chip drivers/usb/acpi
register "desc" = ""USB3 Type-A Right""
register "type" = "UPC_TYPE_A"
device ref usb3_port2 on end
end
chip drivers/usb/acpi
register "desc" = ""USB3 Type-C""
register "type" = "UPC_TYPE_C_USB2_SS_SWITCH"
device ref usb3_port3 on end
end
end
end
end

device ref i2c0 on
Expand Down Expand Up @@ -84,5 +149,17 @@ chip soc/intel/alderlake
.pcie_rp_detect_timeout_ms = 50,
}"
end
device ref pmc hidden
chip drivers/intel/pmc_mux
device generic 0 on
chip drivers/intel/pmc_mux/conn
# J_TYPEC1
use usb2_port3 as usb2_port
use tcss_usb3_port1 as usb3_port
device generic 0 alias conn0 on end
end
end
end
end
end
end