Re: [PATCH 3/4] arm64: dts: rockchip: enable wifi on ArmSoM Sige5

Alexey Charkov
2025-06-05T07:43:49Z

On Thu, Jun 5, 2025 at 6:43 AM Jimmy Hon <honyuenkwun@gmail.com> wrote:
>
> >
> > +&sdio {
> > + bus-width = <4>;
> > + cap-sdio-irq;
> > + disable-wp;
> > + keep-power-in-suspend;
> > + mmc-pwrseq = <&sdio_pwrseq>;
> > + no-sd;
> > + no-mmc;
> > + non-removable;
> > + sd-uhs-sdr50;
> > + sd-uhs-sdr104;
> > + vmmc-supply = <&vcc_3v3_s3>;
> > + vqmmc-supply = <&vcc_1v8_s3>;
> > + wakeup-source;
> > + status = "okay";
> > +};
>
> When you enable the sdio node on your v1.2 board with the broadcom
> chip (using SYN43752), does the btsdio.ko bind to the device and
> create an extra rfkill bluetooth node?

Good question, I didn't have it enabled in my build:

# CONFIG_BT_HCIBTSDIO is not set

Let me add it and report back.

> If so, you'll want to blacklist the SYN43752 chip in the btsdio.ko.
> Similar to https://github.com/jimmyhon/linux/commit/81c14dc2dea2ceaea8d390188b352d32e278abc8
> The original logic was introduced in
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/bluetooth/btsdio.c?id=b4cdaba274247c9c841c6a682c08fa91fb3aa549

I will check, thank you for the pointers!

Best regards,
Alexey