kernel/Documentation/devicetree/bindings/pci/mobiveil-pcie.txt
.. .. @@ -10,8 +10,10 @@ 10 10 interrupt source. The value must be 1. 11 11 - compatible: Should contain "mbvl,gpex40-pcie" 12 12 - reg: Should contain PCIe registers location and length 13 + Mandatory:13 14 "config_axi_slave": PCIe controller registers 14 15 "csr_axi_slave" : Bridge config registers 16 + Optional:15 17 "gpio_slave" : GPIO registers to control slot power 16 18 "apb_csr" : MSI registers 17 19