ARM: dts: imx6ull-colibri: add support for toradex iris carrier boards

Add support for Toradex Iris, small form-factor Pico-ITX Colibri Arm
Computer Module family carrier boards.

Iris Device Trees:
- imx6ull-colibri-iris.dtb
- imx6ull-colibri-emmc-iris.dtb
- imx6ull-colibri-wifi-iris.dtb

Iris-V2 Device Trees:
- imx6ull-colibri-iris-v2.dtb
- imx6ull-colibri-emmc-iris-v2.dtb
- imx6ull-colibri-wifi-iris-v2.dtb

Signed-off-by: Denys Drozdov <denys.drozdov@toradex.com>
Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

1 files changed, 132 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/imx6ull-colibri-iris.dtsi b/arch/arm/boot/dts/imx6ull-colibri-iris.dtsi
new file mode 100644
index 000000000000..7f3b37baba88
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-iris.dtsi
@@ -0,0 +1,132 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2022 Toradex
+ */
+
+/ {
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_snvs_gpiokeys>;
+
+		power {
+			label = "Wake-Up";
+			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
+			linux,code = <KEY_WAKEUP>;
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+	};
+
+	reg_3v3: regulator-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "3.3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	reg_5v0: regulator-5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_usbh_vbus: regulator-usbh-vbus {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usbh_reg>;
+		regulator-name = "VCC_USB[1-4]";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gpio1 2 GPIO_ACTIVE_LOW>;
+		vin-supply = <&reg_5v0>;
+	};
+};
+
+&adc1 {
+	status = "okay";
+};
+
+&gpio1 {
+	/*
+	 * uart25_tx_on turns the UART transceiver on. If one wants to turn the
+	 * transceiver off, that property has to be deleted and the gpio handled
+	 * in userspace.
+	 * The same applies to uart1_tx_on.
+	 */
+	uart25_tx_on {
+		gpio-hog;
+		gpios = <15 0>;
+		output-high;
+	};
+};
+
+&gpio2 {
+	uart1_tx_on {
+		gpio-hog;
+		gpios = <7 0>;
+		output-high;
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	/* M41T0M6 real time clock on carrier board */
+	m41t0m6: rtc@68 {
+		compatible = "st,m41t0";
+		reg = <0x68>;
+	};
+};
+
+/* PWM <A> */
+&pwm4 {
+	status = "okay";
+};
+
+/* PWM <B> */
+&pwm5 {
+	status = "okay";
+};
+
+/* PWM <C> */
+&pwm6 {
+	status = "okay";
+};
+
+/* PWM <D> */
+&pwm7 {
+	status = "okay";
+};
+
+&uart1 {
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&uart5 {
+	status = "okay";
+};
+
+&usbotg1 {
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
+};
+
+&usbotg2 {
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
+};
+
+&usdhc1 {
+	vmmc-supply = <&reg_3v3>;
+	status = "okay";
+};