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-rw-r--r--src/mainboard/google/octopus/variants/baseboard/devicetree.cb18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/mainboard/google/octopus/variants/baseboard/devicetree.cb b/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
index 97a13103cf..fb8fe540c9 100644
--- a/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/octopus/variants/baseboard/devicetree.cb
@@ -3,6 +3,24 @@ chip soc/intel/apollolake
device lapic 0 on end
end
+ register "pcie_rp_clkreq_pin[0]" = "3" # wifi/bt
+ # Disable unused clkreq of PCIe root ports
+ register "pcie_rp_clkreq_pin[1]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[2]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[3]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[4]" = "CLKREQ_DISABLED"
+ register "pcie_rp_clkreq_pin[5]" = "CLKREQ_DISABLED"
+
+ # Set de-emphasis to disabled for PCIE WiFI (Thunderpeak)
+ # as it is required for detection
+ register "pcie_rp_deemphasis_enable[0]" = "0"
+ # Set de-emphasis to default (enabled) for remaining ports
+ register "pcie_rp_deemphasis_enable[1]" = "1"
+ register "pcie_rp_deemphasis_enable[2]" = "1"
+ register "pcie_rp_deemphasis_enable[3]" = "1"
+ register "pcie_rp_deemphasis_enable[4]" = "1"
+ register "pcie_rp_deemphasis_enable[5]" = "1"
+
# GPIO for PERST_0 (WLAN_PE_RST)
register "prt0_gpio" = "GPIO_164"