Re: [PATCH] ARM: imx7d-remarkable2.dts: Add WiFi support

[Alistair Francis]

On Thu, May 13, 2021 at 11:35 PM Shawn Guo <shawnguo@xxxxxxxxxx> wrote:
>
> On Mon, Apr 19, 2021 at 07:00:03AM +1000, Alistair Francis wrote:
> > Signed-off-by: Alistair Francis <alistair@xxxxxxxxxxxxx>
>
> I would suggest you add some commit log, and have subject like below.
>
> ARM: dts: imx7d-remarkable2: Add WiFi support

Done!

>
> > ---
> >  arch/arm/boot/dts/imx7d-remarkable2.dts | 91 +++++++++++++++++++++++++
> >  1 file changed, 91 insertions(+)
> >
> > diff --git a/arch/arm/boot/dts/imx7d-remarkable2.dts b/arch/arm/boot/dts/imx7d-remarkable2.dts
> > index 8cbae656395c..c3dda2b92fe6 100644
> > --- a/arch/arm/boot/dts/imx7d-remarkable2.dts
> > +++ b/arch/arm/boot/dts/imx7d-remarkable2.dts
> > @@ -21,6 +21,27 @@ memory@80000000 {
> >               device_type = "memory";
> >               reg = <0x80000000 0x40000000>;
> >       };
> > +
> > +     reg_brcm: regulator-brcm {
> > +             compatible = "regulator-fixed";
> > +             regulator-name = "brcm_reg";
> > +             regulator-min-microvolt = <3300000>;
> > +             regulator-max-microvolt = <3300000>;
> > +             pinctrl-names = "default";
> > +             pinctrl-0 = <&pinctrl_brcm_reg>;
> > +             gpio = <&gpio6 13 GPIO_ACTIVE_HIGH>;
> > +             enable-active-high;
> > +             startup-delay-us = <150>;
> > +     };
> > +
> > +     wifi_pwrseq: wifi_pwrseq {
> > +             compatible = "mmc-pwrseq-simple";
> > +             pinctrl-names = "default";
> > +             pinctrl-0 = <&pinctrl_wifi>;
> > +             reset-gpios = <&gpio5 9 GPIO_ACTIVE_LOW>;
> > +             clocks = <&clks IMX7D_CLKO2_ROOT_DIV>;
> > +             clock-names = "ext_clock";
> > +     };
> >  };
> >
> >  &clks {
> > @@ -56,6 +77,27 @@ &usbotg2 {
> >       status = "okay";
> >  };
> >
> > +&usdhc2 {
> > +     #address-cells = <1>;
> > +     #size-cells = <0>;
> > +     pinctrl-names = "default", "state_100mhz", "sleep";
> > +     pinctrl-0 = <&pinctrl_usdhc2>;
> > +     pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
>
> state_200mhz is missing.

Ah, sorry about that. Fixed.

Alistair

>
> Shawn
>
> > +     pinctrl-2 = <&pinctrl_usdhc2>;
> > +     mmc-pwrseq = <&wifi_pwrseq>;
> > +     vmmc-supply = <&reg_brcm>;
> > +     bus-width = <4>;
> > +     non-removable;
> > +     keep-power-in-suspend;
> > +     cap-power-off-card;
> > +     status = "okay";
> > +
> > +     brcmf: bcrmf@1 {
> > +             reg = <1>;
> > +             compatible = "brcm,bcm4329-fmac";
> > +     };
> > +};
> > +
> >  &usdhc3 {
> >       pinctrl-names = "default", "state_100mhz", "state_200mhz", "sleep";
> >       pinctrl-0 = <&pinctrl_usdhc3>;
> > @@ -76,6 +118,13 @@ &wdog1 {
> >  };
> >
> >  &iomuxc {
> > +     pinctrl_brcm_reg: brcmreggrp {
> > +             fsl,pins = <
> > +                     /* WIFI_PWR_EN */
> > +                     MX7D_PAD_SAI1_TX_BCLK__GPIO6_IO13       0x14
> > +             >;
> > +     };
> > +
> >       pinctrl_uart1: uart1grp {
> >               fsl,pins = <
> >                       MX7D_PAD_UART1_TX_DATA__UART1_DCE_TX    0x79
> > @@ -90,6 +139,39 @@ MX7D_PAD_EPDC_DATA08__UART6_DCE_RX                0x79
> >               >;
> >       };
> >
> > +     pinctrl_usdhc2: usdhc2grp {
> > +             fsl,pins = <
> > +                     MX7D_PAD_SD2_CMD__SD2_CMD               0x59
> > +                     MX7D_PAD_SD2_CLK__SD2_CLK               0x19
> > +                     MX7D_PAD_SD2_DATA0__SD2_DATA0           0x59
> > +                     MX7D_PAD_SD2_DATA1__SD2_DATA1           0x59
> > +                     MX7D_PAD_SD2_DATA2__SD2_DATA2           0x59
> > +                     MX7D_PAD_SD2_DATA3__SD2_DATA3           0x59
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc2_100mhz: usdhc2grp_100mhz {
> > +             fsl,pins = <
> > +                     MX7D_PAD_SD2_CMD__SD2_CMD               0x5a
> > +                     MX7D_PAD_SD2_CLK__SD2_CLK               0x1a
> > +                     MX7D_PAD_SD2_DATA0__SD2_DATA0           0x5a
> > +                     MX7D_PAD_SD2_DATA1__SD2_DATA1           0x5a
> > +                     MX7D_PAD_SD2_DATA2__SD2_DATA2           0x5a
> > +                     MX7D_PAD_SD2_DATA3__SD2_DATA3           0x5a
> > +             >;
> > +     };
> > +
> > +     pinctrl_usdhc2_200mhz: usdhc2grp_200mhz {
> > +             fsl,pins = <
> > +                     MX7D_PAD_SD2_CMD__SD2_CMD               0x5b
> > +                     MX7D_PAD_SD2_CLK__SD2_CLK               0x1b
> > +                     MX7D_PAD_SD2_DATA0__SD2_DATA0           0x5b
> > +                     MX7D_PAD_SD2_DATA1__SD2_DATA1           0x5b
> > +                     MX7D_PAD_SD2_DATA2__SD2_DATA2           0x5b
> > +                     MX7D_PAD_SD2_DATA3__SD2_DATA3           0x5b
> > +             >;
> > +     };
> > +
> >       pinctrl_usdhc3: usdhc3grp {
> >               fsl,pins = <
> >                       MX7D_PAD_SD3_CMD__SD3_CMD               0x59
> > @@ -143,4 +225,13 @@ pinctrl_wdog: wdoggrp {
> >                       MX7D_PAD_ENET1_COL__WDOG1_WDOG_ANY      0x74
> >               >;
> >       };
> > +
> > +     pinctrl_wifi: wifigrp {
> > +             fsl,pins = <
> > +                     /* WiFi Reg On */
> > +                     MX7D_PAD_SD2_CD_B__GPIO5_IO9            0x00000014
> > +                     /* WiFi Sleep 32k */
> > +                     MX7D_PAD_SD1_WP__CCM_CLKO2              0x00000014
> > +             >;
> > +     };
> >  };
> > --
> > 2.31.1
> >