arm64: dts: colibri-imx8x: Add iris v2 carrier board

Add the Toradex Iris V2 Carrier Board for Colibri iMX8X, small form-factor
production ready board.

Additional details available at:
https://www.toradex.com/products/carrier-boards/iris-carrier-boardSigned-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/Makefile

@@ -132,6 +132,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8qxp-ai_ml.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-aster.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-eval-v3.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-iris.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8qxp-colibri-iris-v2.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8qxp-mek.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8ulp-evk.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx93-11x11-evk.dtb

arch/arm64/boot/dts/freescale/imx8qxp-colibri-iris-v2.dts

+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2021 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx8qxp-colibri.dtsi"
+#include "imx8x-colibri-iris-v2.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX8QXP on Colibri Iris V2 Board";
+	compatible = "toradex,colibri-imx8x-iris-v2",
+		     "toradex,colibri-imx8x",
+		     "fsl,imx8qxp";
+};

arch/arm64/boot/dts/freescale/imx8x-colibri-iris-v2.dtsi

+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2018-2021 Toradex
+ */
+
+#include "imx8x-colibri-iris.dtsi"
+
+/ {
+	reg_3v3_vmmc: regulator-3v3-vmmc {
+		compatible = "regulator-fixed";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_enable_3v3_vmmc>;
+		enable-active-high;
+		gpio = <&lsio_gpio0 31 GPIO_ACTIVE_HIGH>;
+		regulator-max-microvolt = <3300000>;
+		regulator-min-microvolt = <3300000>;
+		regulator-name = "3v3_vmmc";
+		startup-delay-us = <100>;
+	};
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_lvds_converter &pinctrl_gpio_iris>;
+
+	pinctrl_enable_3v3_vmmc: enable_3v3_vmmc {
+		fsl,pins = <IMX8QXP_SAI1_RXFS_LSIO_GPIO0_IO31	0x20>;	/* SODIMM 100 */
+	};
+
+	pinctrl_lvds_converter: lcd-lvds {
+		fsl,pins = <IMX8QXP_FLEXCAN1_TX_LSIO_GPIO1_IO18		0x20>,	/* SODIMM  55 */
+			   /* 6B/8B mode. Select LOW - 8B mode (24bit) */
+			   <IMX8QXP_FLEXCAN1_RX_LSIO_GPIO1_IO17		0x20>,	/* SODIMM  63 */
+			   <IMX8QXP_QSPI0B_SCLK_LSIO_GPIO3_IO17		0x20>,	/* SODIMM  95 */
+			   <IMX8QXP_QSPI0B_DATA0_LSIO_GPIO3_IO18	0x20>;	/* SODIMM  99 */
+	};
+};
+
+/* Colibri SD/MMC Card */
+&usdhc2 {
+	cap-power-off-card;
+	/delete-property/ no-1-8-v;
+	vmmc-supply = <&reg_3v3_vmmc>;
+	status = "okay";
+};