linux-kernel - Re: [PATCH] arm64: dts: imx8mm-beacon: Fix WiFi Pinmuxing

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Date:   Tue, 5 Jan 2021 06:48:13 -0600
From:   Adam Ford <aford173@...il.com>
To:     Shawn Guo <shawnguo@...nel.org>
Cc:     arm-soc <linux-arm-kernel@...ts.infradead.org>,
        Adam Ford-BE <aford@...conembedded.com>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        devicetree <devicetree@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: imx8mm-beacon: Fix WiFi Pinmuxing

On Mon, Jan 4, 2021 at 9:03 PM Shawn Guo <shawnguo@...nel.org> wrote:
>
> On Wed, Dec 02, 2020 at 07:59:50AM -0600, Adam Ford wrote:
> > The WiFi chip is capable of communication at SDR104 speeds, and
> > the pinmux was configured to support this, but the sdhc1 controller
> > didn't properly reference the pinmux.  Enable 100Mhz and 200MHz pinmux
> > as was originally intended.
> >
> > Fixes: 593816fa2f35 ("arm64: dts: imx: Add Beacon i.MX8m-Mini development kit")
>
> This looks more like an improvement than bug fix.

Do you want me to resubmit without the fixes tag?

adam
>
> Shawn
>
> > Signed-off-by: Adam Ford <aford173@...il.com>
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
> > index 6de86a4f0ec4..90fd15e95798 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi
> > @@ -217,8 +217,10 @@
> >  &usdhc1 {
> >       #address-cells = <1>;
> >       #size-cells = <0>;
> > -     pinctrl-names = "default";
> > +     pinctrl-names = "default", "state_100mhz", "state_200mhz";
> >       pinctrl-0 = <&pinctrl_usdhc1>;
> > +     pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
> > +     pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
> >       bus-width = <4>;
> >       non-removable;
> >       cap-power-off-card;
> > --
> > 2.17.1
> >