imx6: aristainetos: prepare dts for other board versions

as we switch to support DM and DTS, rework the existing
DTS trees. Change also Linux specific Device trees, goal
is to push this changes to linux.

Collect U-Boot specific changes in separate "*u-boot*" dts
files.

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/dts/imx6qdl-aristainetos2-common.dtsi b/arch/arm/dts/imx6qdl-aristainetos2-common.dtsi
new file mode 100644
index 0000000..2aa531b
--- /dev/null
+++ b/arch/arm/dts/imx6qdl-aristainetos2-common.dtsi
@@ -0,0 +1,492 @@
+// SPDX-License-Identifier: (GPL-2.0)
+/*
+ * support for the imx6 based aristainetos2 board
+ * parts common to all versions
+ *
+ * Copyright (C) 2019 Heiko Schocher <hs@denx.de>
+ * Copyright (C) 2015 Heiko Schocher <hs@denx.de>
+ *
+ */
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/imx6qdl-clock.h>
+
+/ {
+	aliases {
+		eeprom0 = &i2c_eeprom0;
+		pmic0 = &i2c_pmic0;
+	};
+
+	memory@10000000 {
+		device_type = "memory";
+		reg = <0x10000000 0x40000000>;
+	};
+
+	backlight: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&pwm1 0 5000000>;
+		brightness-levels = <0 4 8 16 32 64 128 255>;
+		default-brightness-level = <7>;
+		enable-gpios = <&gpio6 31 GPIO_ACTIVE_HIGH>;
+	};
+
+	reg_2p5v: regulator-2p5v {
+		compatible = "regulator-fixed";
+		regulator-name = "2P5V";
+		regulator-min-microvolt = <2500000>;
+		regulator-max-microvolt = <2500000>;
+		regulator-always-on;
+	};
+
+	reg_3p3v: regulator-3p3v {
+		compatible = "regulator-fixed";
+		regulator-name = "3P3V";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	reg_usbh1_vbus: regulator-usbh1-vbus {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_aristainetos2_usbh1_vbus>;
+		regulator-name = "usb_h1_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	reg_usbotg_vbus: regulator-usbotg-vbus {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio4 15 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_aristainetos2_usbotg_vbus>;
+		regulator-name = "usb_otg_vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+};
+
+&audmux {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_audmux>;
+	status = "okay";
+};
+
+&ecspi2 {
+	cs-gpios = <&gpio2 26 GPIO_ACTIVE_HIGH &gpio2 27 GPIO_ACTIVE_HIGH>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi2>;
+	status = "okay";
+};
+
+&i2c1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+
+	i2c_pmic0: pmic@58 {
+		compatible = "dlg,da9063";
+		/* the pmic uses addr 0x58 and 0x59 */
+		reg = <0x58>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <04 0x8>;
+
+		regulators {
+			bcore1 {
+				regulator-name = "bcore1";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			bcore2 {
+				regulator-name = "bcore2";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			bpro {
+				regulator-name = "bpro";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+			};
+
+			bprob {
+				regulator-name = "bprob";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <1200000>;
+			};
+
+			bperi {
+				regulator-name = "bperi";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			bmem {
+				regulator-name = "bmem";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo2 {
+				regulator-name = "ldo2";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <1800000>;
+			};
+
+			ldo3 {
+				regulator-name = "ldo3";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo4 {
+				regulator-name = "ldo4";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo5 {
+				regulator-name = "ldo5";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo6 {
+				regulator-name = "ldo6";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo7 {
+				regulator-name = "ldo7";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo8 {
+				regulator-name = "ldo8";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo9 {
+				regulator-name = "ldo9";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo10 {
+				regulator-name = "ldo10";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			ldo11 {
+				regulator-name = "ldo11";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <300000>;
+				regulator-max-microvolt = <3300000>;
+			};
+
+			bio {
+				regulator-name = "bio";
+				regulator-always-on = <1>;
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+		};
+	};
+
+	tmp103: tmp103@71 {
+		compatible = "ti,tmp103";
+		reg = <0x71>;
+	};
+};
+
+&i2c2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c2>;
+	status = "okay";
+};
+
+&i2c3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+
+	expander: tca6416@20 {
+		compatible = "ti,tca6416";
+		reg = <0x20>;
+		#gpio-cells = <2>;
+		gpio-controller;
+
+		env_reset {
+			gpio-hog;
+			input;
+			gpios = <6 GPIO_ACTIVE_LOW>;
+		};
+		boot_rescue {
+			gpio-hog;
+			input;
+			gpios = <7 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	rtc@68 {
+		compatible = "st,m41t11";
+		reg = <0x68>;
+	};
+};
+
+&i2c4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c4>;
+	status = "okay";
+
+	i2c_eeprom0: eeprom@50{
+		compatible = "atmel,24c64";
+		reg = <0x50>;
+		pagesize = <32>;
+	};
+
+	i2c_eeprom1: eeprom@57{
+		compatible = "atmel,24c64";
+		reg = <0x57>;
+		pagesize = <32>;
+	};
+};
+
+&gpio6 {
+	spi_bus_ena {
+		gpio-hog;
+		output-high;
+		gpios = <6 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&gpio7 {
+	bootsel0 {
+		gpio-hog;
+		input;
+		gpios = <6 GPIO_ACTIVE_HIGH>;
+	};
+	bootsel1 {
+		gpio-hog;
+		input;
+		gpios = <7 GPIO_ACTIVE_HIGH>;
+	};
+	bootsel2 {
+		gpio-hog;
+		input;
+		gpios = <1 GPIO_ACTIVE_HIGH>;
+	};
+
+	soft_reset {
+		gpio-hog;
+		output-high;
+		gpios = <13 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&fec {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enet>;
+	phy-mode = "rgmii";
+	txd0-skew-ps = <0>;
+	txd1-skew-ps = <0>;
+	txd2-skew-ps = <0>;
+	txd3-skew-ps = <0>;
+	status = "okay";
+};
+
+&pcie {
+	reset-gpio = <&gpio2 16 GPIO_ACTIVE_LOW>;
+	status = "okay";
+};
+
+&pwm1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_pwm1>;
+	status = "okay";
+};
+
+&uart1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart1>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart2>;
+	status = "okay";
+};
+
+&uart3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart3>;
+	uart-has-rtscts;
+	status = "okay";
+};
+
+&uart4 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_uart4>;
+	status = "okay";
+};
+
+&usbh1 {
+	vbus-supply = <&reg_usbh1_vbus>;
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usbotg {
+	vbus-supply = <&reg_usbotg_vbus>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usbotg>;
+	disable-over-current;
+	dr_mode = "host";   /* fixed configuration, ID pin not checked */
+	status = "okay";
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpio>;
+
+	pinctrl_audmux: audmux {
+		fsl,pins = <
+			MX6QDL_PAD_CSI0_DAT7__AUD3_RXD  0x1b0b0
+			MX6QDL_PAD_CSI0_DAT4__AUD3_TXC  0x1b0b0
+			MX6QDL_PAD_CSI0_DAT5__AUD3_TXD  0x1b0b0
+			MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x1b0b0
+		>;
+	};
+
+	pinctrl_ecspi2: ecspi2grp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_OE__ECSPI2_MISO  0x100b1
+			MX6QDL_PAD_EIM_CS0__ECSPI2_SCLK 0x100b1
+			MX6QDL_PAD_EIM_CS1__ECSPI2_MOSI 0x100b1
+			MX6QDL_PAD_EIM_RW__GPIO2_IO26   0x100b1 /* SS0# */
+			MX6QDL_PAD_EIM_LBA__GPIO2_IO27  0x100b1 /* SS1# */
+		>;
+	};
+
+	pinctrl_enet: enetgrp {
+		fsl,pins = <
+			MX6QDL_PAD_ENET_MDIO__ENET_MDIO		0x1b0b0
+			MX6QDL_PAD_ENET_MDC__ENET_MDC		0x1b0b0
+			MX6QDL_PAD_RGMII_TXC__RGMII_TXC		0x1b0b0
+			MX6QDL_PAD_RGMII_TD0__RGMII_TD0		0x1b0b0
+			MX6QDL_PAD_RGMII_TD1__RGMII_TD1		0x1b0b0
+			MX6QDL_PAD_RGMII_TD2__RGMII_TD2		0x1b0b0
+			MX6QDL_PAD_RGMII_TD3__RGMII_TD3		0x1b0b0
+			MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL	0x1b0b0
+			MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK	0x400100b0
+			MX6QDL_PAD_RGMII_RXC__RGMII_RXC		0x1b0b0
+			MX6QDL_PAD_RGMII_RD0__RGMII_RD0		0x1b0b0
+			MX6QDL_PAD_RGMII_RD1__RGMII_RD1		0x1b0b0
+			MX6QDL_PAD_RGMII_RD2__RGMII_RD2		0x1b0b0
+			MX6QDL_PAD_RGMII_RD3__RGMII_RD3		0x1b0b0
+			MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL	0x1b0b0
+			/* make sure pin is GPIO and not ENET_REF_CLK */
+			MX6QDL_PAD_GPIO_16__GPIO7_IO11	0x1a0b0
+		>;
+	};
+
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1
+			MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1
+		>;
+	};
+
+	pinctrl_i2c2: i2c2grp {
+		fsl,pins = <
+			MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
+			MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
+		>;
+	};
+
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1
+			MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
+		>;
+	};
+
+	pinctrl_i2c4: i2c4grp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_7__I2C4_SCL 0x4001b8b1
+			MX6QDL_PAD_GPIO_8__I2C4_SDA 0x4001b8b1
+		>;
+	};
+
+	pinctrl_pwm1: pwm1grp {
+		fsl,pins = <
+			MX6QDL_PAD_GPIO_9__PWM1_OUT	0x1b0b0
+			/* backlight enable */
+			MX6QDL_PAD_EIM_BCLK__GPIO6_IO31	0x1b0b0
+		>;
+	};
+
+	pinctrl_uart1: uart1grp {
+		fsl,pins = <
+			MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA	0x1b0b1
+			MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA	0x1b0b1
+			MX6QDL_PAD_EIM_D20__UART1_RTS_B		0x1b0b1
+			MX6QDL_PAD_EIM_D19__UART1_CTS_B		0x1b0b1
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_D26__UART2_TX_DATA 0x1b0b1
+			MX6QDL_PAD_EIM_D27__UART2_RX_DATA 0x1b0b1
+		>;
+	};
+
+	pinctrl_uart3: uart3grp {
+		fsl,pins = <
+			MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1
+			MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b1
+			MX6QDL_PAD_EIM_D31__UART3_RTS_B	  0x1b0b1
+			MX6QDL_PAD_EIM_D23__UART3_CTS_B	  0x1b0b1
+		>;
+	};
+
+	pinctrl_uart4: uart4grp {
+		fsl,pins = <
+			MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1
+			MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1
+		>;
+	};
+
+	pinctrl_aristainetos2_usbh1_vbus: aristainetos-usbh1-vbus {
+		fsl,pins = <MX6QDL_PAD_GPIO_0__GPIO1_IO00 0x400130b0>;
+	};
+
+	pinctrl_aristainetos2_usbotg_vbus: aristainetos-usbotg-vbus {
+		fsl,pins = <MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x400130b0>;
+	};
+};