arm64: dts: imx8mp-verdin: add initial device tree

At least the following of the configured devices work:
- Console
- eMMC
- ETH0
- ETH1
- SD_1
- USB_1 as peripheral, USB_2 as host
- CAN_1, CAN_2

Everything else is either known to not work or untested.

Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
Conflicts:
        arch/arm64/boot/dts/freescale/Makefile
        arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>

1 files changed, 41 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi.dtsi
new file mode 100755
index 000000000000..6742d93fce41
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-verdin-wifi.dtsi
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Copyright 2020 Toradex
+ */
+
+/ {
+	reg_wifi_en: regulator-wifi-en {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_wifi_pwr_en>;
+		regulator-name = "V3.3_WI-FI";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		startup-delay-us = <2000>;
+	};
+};
+
+/* On-module Wi-Fi */
+&usdhc1 {
+	bus-width = <4>;
+	cap-power-off-card;
+	keep-power-in-suspend;
+	non-removable;
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc1>, <&pinctrl_wifi_ctrl>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>, <&pinctrl_wifi_ctrl>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>, <&pinctrl_wifi_ctrl>;
+	vmmc-supply = <&reg_wifi_en>;
+	wifi-host;
+	status = "okay";
+};
+
+&gpio3 {
+	gpio-line-names = "";
+};
+
+&gpio4 {
+	gpio-line-names = "";
+};