Re: [PATCH v2 1/8] arm64: dts: imx8mm-nitrogen-r2: add wifi/bt chip

[Adrien Grassein]

Le ven. 19 févr. 2021 à 14:18, Krzysztof Kozlowski <krzk@xxxxxxxxxx> a écrit :
>
> On Wed, Feb 17, 2021 at 05:10:45PM +0100, Adrien Grassein wrote:
> > Add usdhc3 description which corresponds to the wifi/bt chip
> >
> > Signed-off-by: Adrien Grassein <adrien.grassein@xxxxxxxxx>
> > ---
> >  .../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 31 +++++++++++++++++++
> >  1 file changed, 31 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
> > index c0c384d76147..212dc9e5e85d 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
> > +++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
> > @@ -9,6 +9,17 @@
> >  / {
> >       model = "Boundary Devices i.MX8MMini Nitrogen8MM Rev2";
> >       compatible = "boundary,imx8mm-nitrogen8mm", "fsl,imx8mm";
> > +
> > +     reg_wlan_vmmc: regulator-wlan-vmmc {
> > +             compatible = "regulator-fixed";
> > +             pinctrl-names = "default";
> > +             pinctrl-0 = <&pinctrl_reg_wlan_vmmc>;
> > +             regulator-name = "reg_wlan_vmmc";
> > +             regulator-min-microvolt = <3300000>;
> > +             regulator-max-microvolt = <3300000>;
> > +             gpio = <&gpio3 20 GPIO_ACTIVE_HIGH>;
> > +             enable-active-high;
> > +     };
> >  };
> >
> >  &A53_0 {
> > @@ -206,6 +217,20 @@ &usdhc2 {
> >       status = "okay";
> >  };
> >
> > +/* wlan */
> > +&usdhc3 {
> > +     bus-width = <4>;
> > +     sdhci-caps-mask = <0x2 0x0>;
> > +     non-removable;
> > +     pinctrl-names = "default", "state_100mhz", "state_200mhz";
> > +     pinctrl-0 = <&pinctrl_usdhc3>;
> > +     pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
> > +     pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
> > +     vmmc-supply = <&reg_wlan_vmmc>;
> > +     vqmmc-1-8-v;
>
> There is no such property in the bindings.
>

Sorry, I copied a property from the FSL kernel.
I will fix this with a "fixed-regulator".

> Best regards,
> Krzysztof

Thanks,
Adrien