[PATCH v3 2/5] ARM: dts: imx6ul: add TQ-Systems MBa6ULx device trees

Alexander Stein alexander.stein at ew.tq-group.com
Mon Feb 21 23:09:42 PST 2022


Add device trees for the MBa6ULx mainboard with TQMa6ULx SoMs.

Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
Changes in v2:
* Fixed gpio-keys DT node name


 arch/arm/boot/dts/Makefile                    |   2 +
 arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi  | 211 +++++++
 arch/arm/boot/dts/imx6ul-tqma6ul1-mba6ulx.dts |  55 ++
 arch/arm/boot/dts/imx6ul-tqma6ul1.dtsi        |  37 ++
 arch/arm/boot/dts/imx6ul-tqma6ul2-mba6ulx.dts |  15 +
 arch/arm/boot/dts/imx6ul-tqma6ul2.dtsi        |  71 +++
 arch/arm/boot/dts/imx6ul-tqma6ulx-common.dtsi |  43 ++
 arch/arm/boot/dts/mba6ulx.dtsi                | 571 ++++++++++++++++++
 8 files changed, 1005 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ul-tqma6ul1-mba6ulx.dts
 create mode 100644 arch/arm/boot/dts/imx6ul-tqma6ul1.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ul-tqma6ul2-mba6ulx.dts
 create mode 100644 arch/arm/boot/dts/imx6ul-tqma6ul2.dtsi
 create mode 100644 arch/arm/boot/dts/imx6ul-tqma6ulx-common.dtsi
 create mode 100644 arch/arm/boot/dts/mba6ulx.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 6a920b1a83bb..ce4673e270a2 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -686,6 +686,8 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ul-kontron-n6310-s.dtb \
 	imx6ul-kontron-n6310-s-43.dtb \
 	imx6ul-liteboard.dtb \
+	imx6ul-tqma6ul1-mba6ulx.dtb \
+	imx6ul-tqma6ul2-mba6ulx.dtb \
 	imx6ul-opos6uldev.dtb \
 	imx6ul-pico-dwarf.dtb \
 	imx6ul-pico-hobbit.dtb \
diff --git a/arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi b/arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi
new file mode 100644
index 000000000000..eca94ed6451b
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi
@@ -0,0 +1,211 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel at tq-group.com>
+ */
+
+/*
+ * Common for
+ * - TQMa6ULx
+ * - TQMa6ULxL
+ * - TQMa6ULLx
+ * - TQMa6ULLxL
+ */
+
+/ {
+	memory at 80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x10000000>;
+	};
+};
+
+&i2c4 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default", "gpio";
+	pinctrl-0 = <&pinctrl_i2c4>;
+	pinctrl-1 = <&pinctrl_i2c4_recovery>;
+	scl-gpios = <&gpio1 20 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	sda-gpios = <&gpio1 21 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
+	status = "okay";
+
+	pfuze3000: pmic at 8 {
+		compatible = "fsl,pfuze3000";
+		reg = <0x08>;
+
+		regulators {
+			reg_sw1a: sw1a {
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-ramp-delay = <6250>;
+				/* not used */
+			};
+
+			reg_sw1b_core: sw1b {
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1475000>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <6250>;
+			};
+
+			reg_sw2: sw2 {
+				regulator-min-microvolt = <2500000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			reg_sw3_ddr: sw3 {
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1650000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			reg_swbst: swbst {
+				regulator-min-microvolt = <5000000>;
+				regulator-max-microvolt = <5150000>;
+				/* not used */
+			};
+
+			reg_snvs_3v0: vsnvs {
+				regulator-min-microvolt = <1000000>;
+				regulator-max-microvolt = <3000000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			reg_vrefddr: vrefddr {
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			reg_vccsd: vccsd {
+				regulator-min-microvolt = <2850000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			reg_v33_3v3: v33 {
+				regulator-min-microvolt = <2850000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-always-on;
+			};
+
+			reg_vldo1_3v3: vldo1 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				/* not used */
+			};
+
+			reg_vldo2: vldo2 {
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1550000>;
+				/* not used */
+			};
+
+			reg_vldo3: vldo3 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				/* not used */
+			};
+
+			reg_vldo4: vldo4 {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	jc42_1a: eeprom-temperature-sensor at 1a {
+		compatible = "nxp,se97", "jedec,jc-42.4-temp";
+		reg = <0x1a>;
+	};
+
+	m24c64_50: eeprom at 50 {
+		compatible = "atmel,24c64";
+		reg = <0x50>;
+		pagesize = <32>;
+	};
+
+	m24c02_52: eeprom at 52 {
+		compatible = "nxp,se97b", "atmel,24c02";
+		reg = <0x52>;
+		pagesize = <16>;
+		read-only;
+	};
+
+	rtc0: rtc at 68 {
+		compatible = "dallas,ds1339";
+		reg = <0x68>;
+	};
+};
+
+&gpio4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pmic>;
+
+	/*
+	 * PMIC & temperature sensor IRQ
+	 * Both do currently not use IRQ
+	 * potentially dangerous if used on baseboard
+	 */
+	pmic-int-hog {
+		gpio-hog;
+		gpios = <24 0>;
+		input;
+	};
+};
+
+&qspi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_qspi>;
+	status = "okay";
+
+	flash0: flash at 0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "jedec,spi-nor";
+		spi-max-frequency = <33000000>;
+		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
+		reg = <0>;
+	};
+};
+
+/* eMMC */
+&usdhc2 {
+	pinctrl-names = "default", "state_100mhz" , "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc2>;
+	pinctrl-1 = <&pinctrl_usdhc2_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc2_200mhz>;
+
+	bus-width = <8>;
+	disable-wp;
+	non-removable;
+	no-sdio;
+	no-sd;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_i2c4: i2c4grp {
+		fsl,pins = <
+			MX6UL_PAD_UART2_TX_DATA__I2C4_SCL	0x4001b8b0
+			MX6UL_PAD_UART2_RX_DATA__I2C4_SDA	0x4001b8b0
+		>;
+	};
+
+	pinctrl_i2c4_recovery: i2c4recoverygrp {
+		fsl,pins = <
+			MX6UL_PAD_UART2_TX_DATA__GPIO1_IO20	0x4001b8b0
+			MX6UL_PAD_UART2_RX_DATA__GPIO1_IO21	0x4001b8b0
+		>;
+	};
+
+	pinctrl_pmic: pmic {
+		fsl,pins = <
+			/* PMIC irq */
+			MX6UL_PAD_CSI_DATA03__GPIO4_IO24	0x1b099
+		>;
+	};
+};
diff --git a/arch/arm/boot/dts/imx6ul-tqma6ul1-mba6ulx.dts b/arch/arm/boot/dts/imx6ul-tqma6ul1-mba6ulx.dts
new file mode 100644
index 000000000000..f2a5f17f312e
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-tqma6ul1-mba6ulx.dts
@@ -0,0 +1,55 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel at tq-group.com>
+ */
+
+/dts-v1/;
+
+#include "imx6ul-tqma6ul1.dtsi"
+#include "mba6ulx.dtsi"
+
+/ {
+	model = "TQ-Systems TQMa6UL1 SoM on MBa6ULx board";
+	compatible = "tq,imx6ul-tqma6ul1-mba6ulx", "tq,imx6ul-tqma6ul1", "fsl,imx6ul";
+};
+
+/*
+ * Note: can2 and fec2 are enabled on mba6ulx level (for i.MX6ULG2 usage)
+ * and need to be disabled here again
+ */
+&can2 {
+	status = "disabled";
+};
+
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet1>, <&pinctrl_enet1_mdc>;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy at 0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			max-speed = <100>;
+			reg = <0>;
+		};
+	};
+};
+
+&fec2 {
+	/delete-property/ phy-handle;
+	/delete-node/ mdio;
+};
+
+&iomuxc {
+	pinctrl_enet1_mdc: enet1mdcgrp {
+		fsl,pins = <
+			/* mdio */
+			MX6UL_PAD_GPIO1_IO07__ENET1_MDC		0x1b0b0
+			MX6UL_PAD_GPIO1_IO06__ENET1_MDIO	0x1b0b0
+		>;
+	};
+};
diff --git a/arch/arm/boot/dts/imx6ul-tqma6ul1.dtsi b/arch/arm/boot/dts/imx6ul-tqma6ul1.dtsi
new file mode 100644
index 000000000000..24192d012ef7
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-tqma6ul1.dtsi
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel at tq-group.com>
+ */
+
+#include "imx6ul-tqma6ul2.dtsi"
+
+/ {
+	model = "TQ-Systems TQMa6UL1 SoM";
+	compatible = "tq,imx6ul-tqma6ul1", "fsl,imx6ul";
+};
+
+/*
+ * There are no module specific differences compared to TQMa6UL2,
+ * only external interfaces differ
+ */
+
+/*
+ * Devices not available on i.MX6ULG1 and should not be enabled on
+ * mainboard level (again)
+ */
+&can2 {
+	status = "disabled";
+};
+
+&csi {
+	status = "disabled";
+};
+
+&fec2 {
+	status = "disabled";
+};
+
+&lcdif {
+	status = "disabled";
+};
diff --git a/arch/arm/boot/dts/imx6ul-tqma6ul2-mba6ulx.dts b/arch/arm/boot/dts/imx6ul-tqma6ul2-mba6ulx.dts
new file mode 100644
index 000000000000..0757df2b8f48
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-tqma6ul2-mba6ulx.dts
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel at tq-group.com>
+ */
+
+/dts-v1/;
+
+#include "imx6ul-tqma6ul2.dtsi"
+#include "mba6ulx.dtsi"
+
+/ {
+	model = "TQ-Systems TQMa6ULx SoM on MBa6ULx board";
+	compatible = "tq,imx6ul-tqma6ul2-mba6ulx", "tq,imx6ul-tqma6ul2", "fsl,imx6ul";
+};
diff --git a/arch/arm/boot/dts/imx6ul-tqma6ul2.dtsi b/arch/arm/boot/dts/imx6ul-tqma6ul2.dtsi
new file mode 100644
index 000000000000..e2e95dd92263
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-tqma6ul2.dtsi
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel at tq-group.com>
+ */
+
+#include "imx6ul.dtsi"
+#include "imx6ul-tqma6ul-common.dtsi"
+#include "imx6ul-tqma6ulx-common.dtsi"
+
+/ {
+	model = "TQ-Systems TQMa6UL2 SoM";
+	compatible = "tq,imx6ul-tqma6ul2", "fsl,imx6ul";
+};
+
+&usdhc2 {
+	fsl,tuning-step = <6>;
+};
+
+&iomuxc {
+	pinctrl_usdhc2: usdhc2grp {
+		fsl,pins = <
+			MX6UL_PAD_NAND_RE_B__USDHC2_CLK		0x00017051
+			MX6UL_PAD_NAND_WE_B__USDHC2_CMD		0x00017051
+			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0	0x00017051
+			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1	0x00017051
+			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2	0x00017051
+			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3	0x00017051
+			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4	0x00017051
+			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5	0x00017051
+			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6	0x00017051
+			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7	0x00017051
+			/* rst */
+			MX6UL_PAD_NAND_ALE__GPIO4_IO10		0x0001b051
+		>;
+	};
+
+	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+		fsl,pins = <
+			MX6UL_PAD_NAND_RE_B__USDHC2_CLK		0x000170e1
+			MX6UL_PAD_NAND_WE_B__USDHC2_CMD		0x000170f1
+			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0	0x000170f1
+			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1	0x000170f1
+			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2	0x000170f1
+			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3	0x000170f1
+			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4	0x000170f1
+			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5	0x000170f1
+			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6	0x000170f1
+			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7	0x000170f1
+			/* rst */
+			MX6UL_PAD_NAND_ALE__GPIO4_IO10		0x0001b051
+		>;
+	};
+
+	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+		fsl,pins = <
+			MX6UL_PAD_NAND_RE_B__USDHC2_CLK		0x000170f1
+			MX6UL_PAD_NAND_WE_B__USDHC2_CMD		0x000170e1
+			MX6UL_PAD_NAND_DATA00__USDHC2_DATA0	0x000170e1
+			MX6UL_PAD_NAND_DATA01__USDHC2_DATA1	0x000170e1
+			MX6UL_PAD_NAND_DATA02__USDHC2_DATA2	0x000170e1
+			MX6UL_PAD_NAND_DATA03__USDHC2_DATA3	0x000170e1
+			MX6UL_PAD_NAND_DATA04__USDHC2_DATA4	0x000170e1
+			MX6UL_PAD_NAND_DATA05__USDHC2_DATA5	0x000170e1
+			MX6UL_PAD_NAND_DATA06__USDHC2_DATA6	0x000170e1
+			MX6UL_PAD_NAND_DATA07__USDHC2_DATA7	0x000170e1
+			/* rst */
+			MX6UL_PAD_NAND_ALE__GPIO4_IO10		0x0001b051
+		>;
+	};
+};
diff --git a/arch/arm/boot/dts/imx6ul-tqma6ulx-common.dtsi b/arch/arm/boot/dts/imx6ul-tqma6ulx-common.dtsi
new file mode 100644
index 000000000000..5afb9046c202
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ul-tqma6ulx-common.dtsi
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel at tq-group.com>
+ */
+
+/*
+ * Common for
+ * - TQMa6ULx
+ * - TQMa6ULLx
+ */
+
+&m24c64_50 {
+	vcc-supply = <&reg_sw2>;
+};
+
+&m24c02_52 {
+	vcc-supply = <&reg_sw2>;
+};
+
+&reg_sw2 {
+	regulator-boot-on;
+	regulator-always-on;
+};
+
+/* eMMC */
+&usdhc2 {
+	vmmc-supply = <&reg_sw2>;
+	vqmmc-supply = <&reg_vldo4>;
+};
+
+&iomuxc {
+	pinctrl_qspi: qspigrp {
+		fsl,pins = <
+			MX6UL_PAD_NAND_WP_B__QSPI_A_SCLK      0x70b9
+			MX6UL_PAD_NAND_READY_B__QSPI_A_DATA00 0x70b9
+			MX6UL_PAD_NAND_CE0_B__QSPI_A_DATA01   0x70b9
+			MX6UL_PAD_NAND_CE1_B__QSPI_A_DATA02   0x70b9
+			MX6UL_PAD_NAND_CLE__QSPI_A_DATA03     0x70b9
+			MX6UL_PAD_NAND_DQS__QSPI_A_SS0_B      0x70a1
+		>;
+	};
+};
diff --git a/arch/arm/boot/dts/mba6ulx.dtsi b/arch/arm/boot/dts/mba6ulx.dtsi
new file mode 100644
index 000000000000..fc38e185a51e
--- /dev/null
+++ b/arch/arm/boot/dts/mba6ulx.dtsi
@@ -0,0 +1,571 @@
+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel at tq-group.com>
+ */
+
+/ {
+	model = "TQ-Systems MBA6ULx Baseboard";
+
+	aliases {
+		mmc0 = &usdhc2;
+		mmc1 = &usdhc1;
+		rtc0 = &rtc0;
+		rtc1 = &snvs_rtc;
+	};
+
+	chosen {
+		stdout-path = &uart1;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		power-supply = <&reg_mba6ul_3v3>;
+		enable-gpios = <&expander_out0 4 GPIO_ACTIVE_HIGH>;
+		status = "disabled";
+	};
+
+	beeper: beeper {
+		compatible = "gpio-beeper";
+		gpios = <&expander_out1 6 GPIO_ACTIVE_HIGH>;
+	};
+
+	gpio_buttons: gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_buttons>;
+
+		button1 {
+			label = "s14";
+			linux,code = <KEY_1>;
+			gpios = <&expander_in0 0 GPIO_ACTIVE_LOW>;
+		};
+
+		button2 {
+			label = "s6";
+			linux,code = <KEY_2>;
+			gpios = <&expander_in0 1 GPIO_ACTIVE_LOW>;
+		};
+
+		button3 {
+			label = "s7";
+			linux,code = <KEY_3>;
+			gpios = <&expander_in0 2 GPIO_ACTIVE_LOW>;
+		};
+
+		power-button {
+			label = "POWER";
+			linux,code = <KEY_POWER>;
+			gpios = <&gpio1 3 GPIO_ACTIVE_LOW>;
+			gpio-key,wakeup;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		status = "okay";
+
+		led1 {
+			label = "led1";
+			gpios = <&expander_out1 4 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+
+		led2 {
+			label = "led2";
+			gpios = <&expander_out1 5 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "heartbeat";
+		};
+	};
+
+	reg_lcd_pwr: regulator-lcd-pwr {
+		compatible = "regulator-fixed";
+		regulator-name = "lcd-pwr";
+		gpio = <&expander_out0 1 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		status = "disabled";
+	};
+
+	reg_mba6ul_3v3: regulator-mba6ul-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "supply-mba6ul-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	reg_mba6ul_5v0: regulator-mba6ul-5v0 {
+		compatible = "regulator-fixed";
+		regulator-name = "supply-mba6ul-5v0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	reg_mpcie: regulator-mpcie-3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "mpcie-3v3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&expander_out0 2 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		regulator-always-on;
+		startup-delay-us = <500000>;
+		vin-supply = <&reg_mba6ul_3v3>;
+	};
+
+	reg_otg2vbus_5v0: regulator-otg2-vbus-5v0 {
+		compatible = "regulator-fixed";
+		gpio = <&expander_out1 0 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		regulator-name = "otg2-vbus-supply-5v0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&reg_mpcie>;
+	};
+
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x6000000>;
+			linux,cma-default;
+		};
+	};
+
+	sound {
+		compatible = "fsl,imx-audio-tlv320aic32x4";
+		model = "imx-audio-tlv320aic32x4";
+		ssi-controller = <&sai1>;
+		audio-codec = <&tlv320aic32x4>;
+		audio-asrc = <&asrc>;
+	};
+};
+
+&can1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan1>;
+	xceiver-supply = <&reg_mba6ul_3v3>;
+	status = "okay";
+};
+
+&can2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_flexcan2>;
+	xceiver-supply = <&reg_mba6ul_3v3>;
+	status = "okay";
+};
+
+&clks {
+	assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
+	assigned-clock-rates = <768000000>;
+};
+
+&ecspi2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi2>;
+	num-cs = <1>;
+	status = "okay";
+};
+
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet1>;
+	phy-mode = "rmii";
+	phy-handle = <&ethphy0>;
+	phy-supply = <&reg_mba6ul_3v3>;
+	phy-reset-gpios = <&expander_out1 1 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <25>;
+	phy-reset-post-delay = <1>;
+	status = "okay";
+};
+
+&fec2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet2>, <&pinctrl_enet2_mdc>;
+	phy-mode = "rmii";
+	phy-handle = <&ethphy1>;
+	phy-supply = <&reg_mba6ul_3v3>;
+	phy-reset-gpios = <&expander_out1 2 GPIO_ACTIVE_LOW>;
+	phy-reset-duration = <25>;
+	phy-reset-post-delay = <1>;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy at 0 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			clocks = <&clks IMX6UL_CLK_ENET_REF>;
+			reg = <0>;
+			max-speed = <100>;
+		};
+
+		ethphy1: ethernet-phy at 1 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			clocks = <&clks IMX6UL_CLK_ENET2_REF_125M>;
+			reg = <1>;
+			max-speed = <100>;
+		};
+	};
+};
+
+&i2c4 {
+	tlv320aic32x4: audio-codec at 18 {
+		compatible = "ti,tlv320aic32x4";
+		reg = <0x18>;
+		clocks = <&clks IMX6UL_CLK_SAI1>;
+		clock-names = "mclk";
+		ldoin-supply = <&reg_mba6ul_3v3>;
+		iov-supply = <&reg_mba6ul_3v3>;
+	};
+
+	jc42: temperature-sensor at 19 {
+		compatible = "nxp,se97", "jedec,jc-42.4-temp";
+		reg = <0x19>;
+	};
+
+	expander_out0: gpio-expander at 20 {
+		compatible = "nxp,pca9554";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	expander_in0: gpio-expander at 21 {
+		compatible = "nxp,pca9554";
+		reg = <0x21>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_expander_in0>;
+		interrupt-parent = <&gpio4>;
+		interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		gpio-controller;
+		#gpio-cells = <2>;
+
+		enet1_int-hog {
+			gpio-hog;
+			gpios = <6 0>;
+			input;
+		};
+
+		enet2_int-hog {
+			gpio-hog;
+			gpios = <7 0>;
+			input;
+		};
+	};
+
+	expander_out1: gpio-expander at 22 {
+		compatible = "nxp,pca9554";
+		reg = <0x22>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	analog_touch: touchscreen at 41 {
+		compatible = "st,stmpe811";
+		reg = <0x41>;
+		interrupts = <21 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-parent = <&gpio4>;
+		interrupt-controller;
+		status = "disabled";
+
+		stmpe_touchscreen {
+			compatible = "st,stmpe-ts";
+			st,adc-freq = <1>;      /* 3.25 MHz ADC clock speed */
+			st,ave-ctrl = <3>;      /* 8 sample average control */
+			st,fraction-z = <7>;    /* 7 length fractional part in z */
+			/*
+			 * 50 mA typical 80 mA max touchscreen drivers
+			 * current limit value
+			 */
+			st,i-drive = <1>;
+			st,mod-12b = <1>;       /* 12-bit ADC */
+			st,ref-sel = <0>;       /* internal ADC reference */
+			st,sample-time = <4>;   /* ADC converstion time: 80 clocks */
+			st,settling = <3>;      /* 1 ms panel driver settling time */
+			st,touch-det-delay = <5>; /* 5 ms touch detect interrupt delay */
+		};
+	};
+
+	/* NXP SE97BTP with temperature sensor + eeprom */
+	se97b: eeprom at 51 {
+		compatible = "nxp,se97b", "atmel,24c02";
+		reg = <0x51>;
+		pagesize = <16>;
+	};
+};
+
+&pwm2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm2>;
+	status = "okay";
+};
+
+&sai1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_sai1>;
+	assigned-clocks = <&clks IMX6UL_CLK_SAI1_SEL>,
+			  <&clks IMX6UL_CLK_SAI1>;
+	assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;
+	assigned-clock-rates = <0>, <24000000>;
+	fsl,sai-mclk-direction-output;
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+	status = "okay";
+};
+
+&uart6 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart6>;
+	/* for DTE mode, add below change */
+	/* fsl,dte-mode; */
+	/* pinctrl-0 = <&pinctrl_uart6dte>; */
+	uart-has-rtscts;
+	linux,rs485-enabled-at-boot-time;
+	rs485-rts-active-low;
+	rs485-rx-during-tx;
+	status = "okay";
+};
+
+/* otg-port */
+&usbotg1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb_otg1>;
+	power-active-high;
+	over-current-active-low;
+	/* we implement only dual role but not a fully featured OTG */
+	hnp-disable;
+	srp-disable;
+	adp-disable;
+	dr_mode = "otg";
+	status = "okay";
+};
+
+/* 7-port usb hub */
+/* id, pwr, oc pins not connected */
+&usbotg2 {
+	disable-over-current;
+	vbus-supply = <&reg_otg2vbus_5v0>;
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc1>;
+	cd-gpios = <&gpio1 19 GPIO_ACTIVE_LOW>;
+	wp-gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
+	bus-width = <4>;
+	vmmc-supply = <&reg_mba6ul_3v3>;
+	vqmmc-supply = <&reg_vccsd>;
+	no-1-8-v;
+	no-mmc;
+	no-sdio;
+	status = "okay";
+};
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog1>;
+	fsl,ext-reset-output;
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl_buttons: buttonsgrp {
+		fsl,pins = <
+			MX6UL_PAD_GPIO1_IO03__GPIO1_IO03	0x100b0
+		>;
+	};
+
+	pinctrl_ecspi2: ecspi2grp {
+		fsl,pins = <
+			MX6UL_PAD_UART4_TX_DATA__ECSPI2_SCLK	0x1b020
+			MX6UL_PAD_UART5_RX_DATA__ECSPI2_MISO	0x1b020
+			MX6UL_PAD_UART5_TX_DATA__ECSPI2_MOSI	0x1b020
+			MX6UL_PAD_UART4_RX_DATA__ECSPI2_SS0	0x1b020
+		>;
+	};
+
+	pinctrl_enet1: enet1grp {
+		fsl,pins = <
+			MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN	0x1b0b0
+			MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER	0x1b0b0
+			MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00	0x1b0b0
+			MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01	0x1b0b0
+			MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00	0x1b0b0
+			MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01	0x1b0b0
+			MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN	0x1b0b0
+			MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1	0x4001b0a8
+		>;
+	};
+
+	pinctrl_enet2: enet2grp {
+		fsl,pins = <
+			MX6UL_PAD_ENET2_RX_EN__ENET2_RX_EN	0x1b0b0
+			MX6UL_PAD_ENET2_RX_ER__ENET2_RX_ER	0x1b0b0
+			MX6UL_PAD_ENET2_RX_DATA0__ENET2_RDATA00	0x1b0b0
+			MX6UL_PAD_ENET2_RX_DATA1__ENET2_RDATA01	0x1b0b0
+			MX6UL_PAD_ENET2_TX_DATA0__ENET2_TDATA00	0x1b0a0
+			MX6UL_PAD_ENET2_TX_DATA1__ENET2_TDATA01	0x1b0a0
+			MX6UL_PAD_ENET2_TX_EN__ENET2_TX_EN	0x1b0b0
+			MX6UL_PAD_ENET2_TX_CLK__ENET2_REF_CLK2	0x4001b0a8
+		>;
+	};
+
+	pinctrl_enet2_mdc: enet2mdcgrp {
+		fsl,pins = <
+			/* mdio */
+			MX6UL_PAD_GPIO1_IO07__ENET2_MDC		0x1b0b0
+			MX6UL_PAD_GPIO1_IO06__ENET2_MDIO	0x1b0b0
+		>;
+	};
+
+	pinctrl_expander_in0: expanderin0grp {
+		fsl,pins = <
+			MX6UL_PAD_CSI_DATA02__GPIO4_IO23	0x1b0b1
+		>;
+	};
+
+	pinctrl_flexcan1: flexcan1grp {
+		fsl,pins = <
+			MX6UL_PAD_UART3_RTS_B__FLEXCAN1_RX	0x1b020
+			MX6UL_PAD_UART3_CTS_B__FLEXCAN1_TX	0x1b020
+		>;
+	};
+
+	pinctrl_flexcan2: flexcan2grp {
+		fsl,pins = <
+			MX6UL_PAD_UART2_RTS_B__FLEXCAN2_RX	0x1b020
+			MX6UL_PAD_UART2_CTS_B__FLEXCAN2_TX	0x1b020
+		>;
+	};
+
+	pinctrl_pwm2: pwm2grp {
+		fsl,pins = <
+			/* 100 k PD, DSE 120 OHM, SPPEED LO */
+			MX6UL_PAD_GPIO1_IO09__PWM2_OUT		0x00003050
+		>;
+	};
+
+	pinctrl_sai1: sai1grp {
+		fsl,pins = <
+			MX6UL_PAD_CSI_DATA05__SAI1_TX_BCLK	0x1b0b1
+			MX6UL_PAD_CSI_DATA04__SAI1_TX_SYNC	0x1b0b1
+			MX6UL_PAD_CSI_DATA07__SAI1_TX_DATA	0x1f0b8
+			MX6UL_PAD_CSI_DATA06__SAI1_RX_DATA	0x110b0
+			MX6UL_PAD_CSI_DATA01__SAI1_MCLK		0x1b0b1
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX	0x1b0b1
+			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX	0x1b0b1
+		>;
+	};
+
+	pinctrl_uart3: uart3grp {
+		fsl,pins = <
+			MX6UL_PAD_UART3_TX_DATA__UART3_DCE_TX	0x1b0b1
+			MX6UL_PAD_UART3_RX_DATA__UART3_DCE_RX	0x1b0b1
+		>;
+	};
+
+	pinctrl_uart6: uart6grp {
+		fsl,pins = <
+			MX6UL_PAD_CSI_MCLK__UART6_DCE_TX	0x1b0b1
+			MX6UL_PAD_CSI_PIXCLK__UART6_DCE_RX	0x1b0b1
+			MX6UL_PAD_CSI_VSYNC__UART6_DCE_RTS	0x1b0b1
+			MX6UL_PAD_CSI_HSYNC__UART6_DCE_CTS	0x1b0b1
+		>;
+	};
+
+	pinctrl_uart6dte: uart6dte {
+		fsl,pins = <
+			MX6UL_PAD_CSI_PIXCLK__UART6_DTE_TX	0x1b0b1
+			MX6UL_PAD_CSI_MCLK__UART6_DTE_RX	0x1b0b1
+			MX6UL_PAD_CSI_HSYNC__UART6_DTE_RTS	0x1b0b1
+			MX6UL_PAD_CSI_VSYNC__UART6_DTE_CTS	0x1b0b1
+		>;
+	};
+
+	pinctrl_usb_otg1: usbotg1grp {
+		fsl,pins = <
+			MX6UL_PAD_GPIO1_IO00__ANATOP_OTG1_ID	0x00017059
+			MX6UL_PAD_GPIO1_IO01__USB_OTG1_OC	0x0001b0b0
+			MX6UL_PAD_GPIO1_IO04__USB_OTG1_PWR	0x0001b099
+		>;
+	};
+
+	pinctrl_usdhc1: usdhc1grp {
+		fsl,pins = <
+			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x00017069
+			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x00017059
+			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x00017059
+			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x00017059
+			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x00017059
+			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x00017059
+			/* WP */
+			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18	0x0001b099
+			/* CD */
+			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x0001b099
+		>;
+	};
+
+	pinctrl_usdhc1_100mhz: usdhc1grp100mhz {
+		fsl,pins = <
+			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x00017069
+			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x000170b9
+			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x000170b9
+			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x000170b9
+			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x000170b9
+			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x000170b9
+			/* WP */
+			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18	0x0001b099
+			/* CD */
+			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x0001b099
+		>;
+	};
+
+	pinctrl_usdhc1_200mhz: usdhc1grp200mhz {
+		fsl,pins = <
+			MX6UL_PAD_SD1_CLK__USDHC1_CLK		0x00017069
+			MX6UL_PAD_SD1_CMD__USDHC1_CMD		0x000170f9
+			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0	0x000170f9
+			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1	0x000170f9
+			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2	0x000170f9
+			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3	0x000170f9
+			/* WP */
+			MX6UL_PAD_UART1_CTS_B__GPIO1_IO18	0x0001b099
+			/* CD */
+			MX6UL_PAD_UART1_RTS_B__GPIO1_IO19	0x0001b099
+		>;
+	};
+
+	pinctrl_wdog1: wdog1grp {
+		fsl,pins = <
+			MX6UL_PAD_GPIO1_IO08__WDOG1_WDOG_B	0x0001b099
+		>;
+	};
+};
-- 
2.25.1




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