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From: Michael Nazzareno Trimarchi <michael@amarulasolutions.com>
Date: Fri, 26 Apr 2024 17:59:39 +0200
Message-ID: <CAOf5uwkB7Z7FUt5K8CP3sEoCEahE=ipuXX4MRZYNgDw6eMuEfg@mail.gmail.com>
Subject: Re: [PATCH v6 3/3] arm64: dts: imx93: Add Engicam i.Core MX93 EDIMM
 2.0 Starter Kit
To: Fabio Estevam <festevam@gmail.com>
Cc: Fabio Aiuto <fabio.aiuto@engicam.com>, Shawn Guo <shawnguo@kernel.org>, 
	Sascha Hauer <s.hauer@pengutronix.de>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Rob Herring <robh@kernel.org>, 
	Conor Dooley <conor+dt@kernel.org>, devicetree@vger.kernel.org, imx@lists.linux.dev, 
	linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, 
	Matteo Lisi <matteo.lisi@engicam.com>, Mirko Ardinghi <mirko.ardinghi@engicam.com>, 
	Peng Fan <peng.fan@nxp.com>
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Hi

On Fri, Apr 26, 2024 at 5:56=E2=80=AFPM Fabio Estevam <festevam@gmail.com> =
wrote:
>
> Hi Fabio,
>
> On Fri, Apr 26, 2024 at 12:31=E2=80=AFPM Fabio Aiuto <fabio.aiuto@engicam=
com> wrote:
>
> > +&usdhc3 { /* WiFi */
> > +       #address-cells =3D <1>;
> > +       #size-cells =3D <0>;
> > +       pinctrl-names =3D "default", "state_100mhz", "state_200mhz";
> > +       pinctrl-0 =3D <&pinctrl_usdhc3>;
> > +       pinctrl-1 =3D <&pinctrl_usdhc3>;
> > +       pinctrl-2 =3D <&pinctrl_usdhc3>;
> > +       mmc-pwrseq =3D <&usdhc3_pwrseq>;
> > +       bus-width =3D <4>;
> > +       no-1-8-v;
> > +       non-removable;
> > +       max-frequency =3D <25000000>;
>
> Is this 25MHz limitation correct?

This make the wifi a bit slow ;). You should be able to go to ~50Mhz at
3.3v. BTW the other mux
are not needed "state_100mhz", "state_200mhz";

Sorry both Fabio, I did not see before

Michael


Michael


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