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
> ---
> 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.
Shawn
> + pinctrl-2 = <&pinctrl_usdhc2>;
> + mmc-pwrseq = <&wifi_pwrseq>;
> + vmmc-supply = <®_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
>
