[PATCH v3 3/5] arm64: dts: rockchip: Add AP6275P wireless support to Khadas Edge 2

Jacobe Zang jacobe.zang at wesion.com
Mon Jul 1 04:31:30 PDT 2024


>>> +     pcie at 0,0 {
>>> +             reg = <0x400000 0 0 0 0>;
>>> +             #address-cells = <3>;
>>> +             #size-cells = <2>;
>>> +             ranges;
>>> +             device_type = "pci";
>>> +             bus-range = <0x40 0x4f>;
>>> +
>>> +             wifi: wifi at 0,0 {
>> Where is the compatible (again!)? Test your code - you will see your
>> binding is a no-op.
>
> I tried to build kernel with CHECK_DTBS=1. And didn't get any message
> like 'compatible' is a required property in wifi node. But when I check
> the bindings that do required the compatible... So I will add it next time.

> Yep, use different clock name and then test. You should see errors,
> right? But there are not, because schema is not applied to this node at all.
> 
> Look how Apple is doing this.
> 
> I have doubts that your code works at all in the first place. If there
> is no compatible, how your platform device gets of_node?

In file brcm_hw_ids.h and pcie.c has added Device ID and Vendor ID
for bus to enumerate the device when board bootup, so I didn't add
specific compatible in DTS. And by doing so, it can probe successfully.

---
Best Regards
Jacobe


More information about the linux-arm-kernel mailing list