>> diff --git a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts >> index 3b6286461a746..f674deb6f7da8 100644 >> --- a/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts >> +++ b/arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts >> @@ -356,6 +356,22 @@ &pcie2x1l2 { >> reset-gpios = <&gpio3 RK_PD1 GPIO_ACTIVE_HIGH>; >> vpcie3v3-supply = <&vcc3v3_pcie_wl>; >> status = "okay"; >> + >> + pcie@0,0 { >> + reg = <0x400000 0 0 0 0>; >> + #address-cells = <3>; >> + #size-cells = <2>; >> + ranges; >> + device_type = "pci"; >> + bus-range = <0x40 0x4f>; > >Isn't bus-range a property of PCI host bridge, so the parent? This is a >PCI device, right? > >> + >> + wifi: wifi@0,0 { > >Binding does not say anything about this. Rockchip PCI controller is the >PCI host bridge, isn't it? Then the pci@0,0 is the child, so what is this? The host bridge is the parent of pcie@0,0. And pcie@0,0 is Bridge1, so the wifi@0,0 as a device under the Bridge1. > >> + reg = <0x410000 0 0 0 0>; >> + clocks = <&hym8563>; >> + clock-names = "32k"; > >1. Bindings are before the users. >2. Where is the compatible? Are you sure this validates? Before, the compatible is "pci14e4,449d", but when I checkpatch the warning said that "pci14e4" was not documented, so I remove the compatible which doesn't affect the Wi-Fi function. I have tried to add "pci14e4" to vendor-prefixes.yaml but was refused. So whether should I add the compatible with warning? References: https://lore.kernel.org/all/20220629155956.1138955-15-nfraprado@xxxxxxxxxxxxx/ --- Best Regards Jacobe