Re: [PATCH v6 3/3] arm64: dts: imx93: Add Engicam i.Core MX93 EDIMM 2.0 Starter Kit

[Michael Nazzareno Trimarchi]

Hi

On Fri, Apr 26, 2024 at 5:56 PM Fabio Estevam <festevam@xxxxxxxxx> wrote:
>
> Hi Fabio,
>
> On Fri, Apr 26, 2024 at 12:31 PM Fabio Aiuto <fabio.aiuto@engicamcom> wrote:
>
> > +&usdhc3 { /* WiFi */
> > +       #address-cells = <1>;
> > +       #size-cells = <0>;
> > +       pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > +       pinctrl-0 = <&pinctrl_usdhc3>;
> > +       pinctrl-1 = <&pinctrl_usdhc3>;
> > +       pinctrl-2 = <&pinctrl_usdhc3>;
> > +       mmc-pwrseq = <&usdhc3_pwrseq>;
> > +       bus-width = <4>;
> > +       no-1-8-v;
> > +       non-removable;
> > +       max-frequency = <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




--
Michael Nazzareno Trimarchi
Co-Founder & Chief Executive Officer
M. +39 347 913 2170
michael@xxxxxxxxxxxxxxxxxxxx
__________________________________

Amarula Solutions BV
Joop Geesinkweg 125, 1114 AB, Amsterdam, NL
T. +31 (0)85 111 9172
info@xxxxxxxxxxxxxxxxxxxx
www.amarulasolutions.com