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

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Message-ID: <CALWfF7KS_kGK-RQVfcPMkvo_2PD_w992Z9hka_3=b=Cgnto6Lw@mail.gmail.com>
Date: Fri, 6 Jun 2025 21:42:29 -0500
From: Jimmy Hon <honyuenkwun@...il.com>
To: Alexey Charkov <alchark@...il.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/4] arm64: dts: rockchip: enable wifi on ArmSoM Sige5

On Thu, Jun 5, 2025 at 9:14 AM Alexey Charkov <alchark@...il.com> wrote:
>
> On Thu, Jun 5, 2025 at 10:32 AM Alexey Charkov <alchark@...il.com> wrote:
> >
> > On Thu, Jun 5, 2025 at 6:43 AM Jimmy Hon <honyuenkwun@...il.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.
>
> So I've rebuilt it with btsdio.ko module enabled. As I boot the
> system, WiFi (via SDIO) and Bluetooth (via UART) drivers get probed
> and load their respective firmwares. btsdio.ko doesn't get
> auto-loaded. If I load it manually after booting, it doesn't bind to
> anything and doesn't create any extra rfkill nodes.
>
> Is there anything else I need to check or look out for?
>
> Best regards,
> Alexey

That should be all you need to check. I guess they stopped incorrectly
advertising SDIO_DEVICE_CLASS for bluetooth.
Jimmy