linux-kernel - Re: [PATCH] ARM: dts: sun8i-h3: Fix wifi in Beelink X2 DT

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Date:   Mon, 20 May 2019 09:24:47 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Jernej Škrabec <jernej.skrabec@...l.net>
Cc:     wens@...e.org, robh+dt@...nel.org, mark.rutland@....com,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM: dts: sun8i-h3: Fix wifi in Beelink X2 DT

On Sat, May 18, 2019 at 05:07:11PM +0200, Jernej Škrabec wrote:
> Dne petek, 17. maj 2019 ob 09:30:48 CEST je Maxime Ripard napisal(a):
> > Hi,
> >
> > On Thu, May 16, 2019 at 06:10:39PM +0200, Jernej Skrabec wrote:
> > > mmc1 node where wifi module is connected doesn't have properly defined
> > > power supplies so wifi module is never powered up. Fix that by
> > > specifying additional power supplies.
> > >
> > > Additionally, this STB may have either Realtek or Broadcom based wifi
> > > module. One based on Broadcom module also needs external clock to work
> > > properly. Fix that by adding clock property to wifi_pwrseq node.
> > >
> > > Fixes: e582b47a9252 ("ARM: dts: sun8i-h3: Add dts for the Beelink X2 STB")
> > > Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
> > > ---
> > >
> > >  arch/arm/boot/dts/sun8i-h3-beelink-x2.dts | 5 +++++
> > >  1 file changed, 5 insertions(+)
> > >
> > > diff --git a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts
> > > b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts index
> > > 6277f13f3eb3..6a0ac85b4616 100644
> > > --- a/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts
> > > +++ b/arch/arm/boot/dts/sun8i-h3-beelink-x2.dts
> > > @@ -89,7 +89,10 @@
> > >
> > >  	wifi_pwrseq: wifi_pwrseq {
> > >
> > >  		compatible = "mmc-pwrseq-simple";
> > >
> > > +		pinctrl-names = "default";
> >
> > pinctrl-names only make sense with another pinctrl-[0-255]
> > property. Did you forgot something here?
>
> No, I just took BananaPi M2+ as a example, which has pinctrl-names property
> too and no "pinctrl-*". But digging through history of this DT, it seems that
> this is just leftover which somebody forgot to remove.
>
> I'll send v2.

This should be fixed in 5.2 thanks to the commit 75f9a058838b

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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