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-rw-r--r--src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb11
1 files changed, 6 insertions, 5 deletions
diff --git a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb
index f3e8a77143..a2a2ba1e8b 100644
--- a/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb
+++ b/src/mainboard/siemens/mc_apl1/variants/mc_apl4/devicetree.cb
@@ -6,11 +6,12 @@ chip soc/intel/apollolake
register "sci_irq" = "SCIS_IRQ10"
- # Disable unused clkreq of PCIe root ports
- register "pcie_rp_clkreq_pin[0]" = "3" # PCIe-PCI-Bridge
- register "pcie_rp_clkreq_pin[1]" = "2" # FPGA
- register "pcie_rp_clkreq_pin[2]" = "0" # MACPHY
- register "pcie_rp_clkreq_pin[3]" = "1" # MACPHY
+ # Disable all clkreq of PCIe root ports as SMARC interface do not
+ # have this pins.
+ register "pcie_rp_clkreq_pin[0]" = "CLKREQ_DISABLED"
+ 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"