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

[Alistair Francis]

Signed-off-by: Alistair Francis <alist...@alistair23.me>
---
 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>;
+       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