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

Add support for Toradex Aster, small form-factor Colibri Arm
Computer Module family carrier board.

Aster Device Trees:
- imx6ull-colibri-aster.dtb
- imx6ull-colibri-emmc-aster.dtb
- imx6ull-colibri-wifi-aster.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>

5 files changed, 205 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index d18b5a7cc4e8..a496c4751c86 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -707,12 +707,15 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ul-tx6ul-0011.dtb \
 	imx6ul-tx6ul-mainboard.dtb \
 	imx6ull-14x14-evk.dtb \
+	imx6ull-colibri-aster.dtb \
+	imx6ull-colibri-emmc-aster.dtb \
 	imx6ull-colibri-emmc-eval-v3.dtb \
 	imx6ull-colibri-emmc-iris.dtb \
 	imx6ull-colibri-emmc-iris-v2.dtb \
 	imx6ull-colibri-eval-v3.dtb \
 	imx6ull-colibri-iris.dtb \
 	imx6ull-colibri-iris-v2.dtb \
+	imx6ull-colibri-wifi-aster.dtb \
 	imx6ull-colibri-wifi-eval-v3.dtb \
 	imx6ull-colibri-wifi-iris.dtb \
 	imx6ull-colibri-wifi-iris-v2.dtb \
diff --git a/arch/arm/boot/dts/imx6ull-colibri-aster.dts b/arch/arm/boot/dts/imx6ull-colibri-aster.dts
new file mode 100644
index 000000000000..d3f2fb7c6c1e
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-aster.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2017-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-nonwifi.dtsi"
+#include "imx6ull-colibri-aster.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 256/512MB on Colibri Aster";
+	compatible = "toradex,colibri-imx6ull-aster",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-aster.dtsi b/arch/arm/boot/dts/imx6ull-colibri-aster.dtsi
new file mode 100644
index 000000000000..c9133ba2d705
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-aster.dtsi
@@ -0,0 +1,145 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2017-2022 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";
+};
+
+&ecspi1 {
+	status = "okay";
+
+	num-cs = <2>;
+	cs-gpios = <
+		&gpio3 26 GPIO_ACTIVE_HIGH /* SODIMM 86 LCD_DATA21 */
+		&gpio4 28 GPIO_ACTIVE_HIGH /* SODIMM 65 CSI_DATA07 */
+	>;
+};
+
+/*
+ * Following SODIMM Pins should not be accessed as GPIO on Aster board:
+ * 134 - AIN5_SCL (no connection)
+ * 127 - Voltage Level Translator OE# signal (IC11 and IC12)
+ *
+ * To configure GPIO to LED5, please disable FEC2 and uncomment the following:
+ *	&iomuxc {
+ *		pinctrl-names = "default";
+ *		pinctrl-0 = <
+ *			&pinctrl_gpio1
+ *			&pinctrl_gpio2
+ *			&pinctrl_gpio3
+ *			&pinctrl_gpio4
+ *			&pinctrl_gpio6 - for non-WiFi modules only
+ *			&pinctrl_gpio7
+ *			&pinctrl_gpio_aster
+ *		>;
+ *
+ *		pinctrl_gpio_aster: gpio-aster {
+ *			fsl,pins = <
+ *				MX6UL_PAD_GPIO1_IO07__GPIO1_IO07    0x1b0b0
+ *			>;
+ *		};
+ *  };
+ */
+
+&i2c1 {
+	status = "okay";
+
+	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";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts b/arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts
new file mode 100644
index 000000000000..919c0464d6cb
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-emmc-aster.dts
@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-emmc-nonwifi.dtsi"
+#include "imx6ull-colibri-aster.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 1GB (eMMC) on Colibri Aster";
+	compatible = "toradex,colibri-imx6ull-emmc-aster",
+		     "toradex,colibri-imx6ull-emmc",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
diff --git a/arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts b/arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts
new file mode 100644
index 000000000000..b4f65e8c5857
--- /dev/null
+++ b/arch/arm/boot/dts/imx6ull-colibri-wifi-aster.dts
@@ -0,0 +1,20 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/*
+ * Copyright 2017-2022 Toradex
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-wifi.dtsi"
+#include "imx6ull-colibri-aster.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 512MB on Colibri Aster";
+	compatible = "toradex,colibri-imx6ull-wifi-aster",
+		     "toradex,colibri-imx6ull",
+		     "fsl,imx6ull";
+};
+
+&atmel_mxt_ts {
+	status = "okay";
+};