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-rw-r--r--dts/Bindings/pci/mobiveil-pcie.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/dts/Bindings/pci/mobiveil-pcie.txt b/dts/Bindings/pci/mobiveil-pcie.txt
index a618d4787d..64156993e0 100644
--- a/dts/Bindings/pci/mobiveil-pcie.txt
+++ b/dts/Bindings/pci/mobiveil-pcie.txt
@@ -10,8 +10,10 @@ Required properties:
interrupt source. The value must be 1.
- compatible: Should contain "mbvl,gpex40-pcie"
- reg: Should contain PCIe registers location and length
+ Mandatory:
"config_axi_slave": PCIe controller registers
"csr_axi_slave" : Bridge config registers
+ Optional:
"gpio_slave" : GPIO registers to control slot power
"apb_csr" : MSI registers