ARM: dts: imx6ull: add Toradex Colibri iMX6ULL support

Add support for the Computer on Module Colibri iMX6ULL and its
Bluetooth/Wifi variant along with the development/evaluation carrier
board device trees. Follow the usual hierarchic include model,
maintaining shared configuration in imx6ull-colibri.dtsi and
imx6ull-colibri-eval-v3.dtsi respectively.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/Makefile

@@ -530,7 +530,9 @@ dtb-$(CONFIG_SOC_IMX6UL) += \
 	imx6ul-tx6ul-0010.dtb \
 	imx6ul-tx6ul-0011.dtb \
 	imx6ul-tx6ul-mainboard.dtb \
-	imx6ull-14x14-evk.dtb
+	imx6ull-14x14-evk.dtb \
+	imx6ull-colibri-eval-v3.dtb \
+	imx6ull-colibri-wifi-eval-v3.dtb
 dtb-$(CONFIG_SOC_IMX7D) += \
 	imx7d-cl-som-imx7.dtb \
 	imx7d-colibri-emmc-eval-v3.dtb \

arch/arm/boot/dts/imx6ull-colibri-eval-v3.dts

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2018 Toradex AG
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-nonwifi.dtsi"
+#include "imx6ull-colibri-eval-v3.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 256MB on Colibri Evaluation Board V3";
+	compatible = "toradex,colibri-imx6ull-eval", "fsl,imx6ull";
+};

arch/arm/boot/dts/imx6ull-colibri-eval-v3.dtsi

@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2017 Toradex AG
+ */
+
+/ {
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	/* fixed crystal dedicated to mcp2515 */
+	clk16m: clk16m {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <16000000>;
+	};
+
+	panel: panel {
+		compatible = "edt,et057090dhu";
+		backlight = <&bl>;
+		power-supply = <&reg_3v3>;
+
+		port {
+			panel_in: endpoint {
+				remote-endpoint = <&lcdif_out>;
+			};
+		};
+	};
+
+	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";
+};
+
+&bl {
+	brightness-levels = <0 4 8 16 32 64 128 255>;
+	default-brightness-level = <6>;
+	power-supply = <&reg_3v3>;
+	pwms = <&pwm4 0 5000000 1>;
+	status = "okay";
+};
+
+&ecspi1 {
+	status = "okay";
+
+	mcp2515: can@0 {
+		compatible = "microchip,mcp2515";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_can_int>;
+		reg = <0>;
+		clocks = <&clk16m>;
+		interrupt-parent = <&gpio2>;
+		interrupts = <4 IRQ_TYPE_EDGE_FALLING>;
+		spi-max-frequency = <10000000>;
+		vdd-supply = <&reg_3v3>;
+		xceiver-supply = <&reg_5v0>;
+		status = "okay";
+	};
+};
+
+&i2c1 {
+	status = "okay";
+
+	/* M41T0M6 real time clock on carrier board */
+	m41t0m6: rtc@68 {
+		compatible = "st,m41t0";
+		reg = <0x68>;
+	};
+};
+
+&lcdif {
+	status = "okay";
+
+	port {
+		lcdif_out: endpoint {
+			remote-endpoint = <&panel_in>;
+		};
+	};
+};
+
+/* 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 {
+	status = "okay";
+};
+
+&usbotg2 {
+	vbus-supply = <&reg_usbh_vbus>;
+	status = "okay";
+};
+
+&usdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_snvs_usdhc1_cd>;
+	no-1-8-v;
+	cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
+	disable-wp;
+	wakeup-source;
+	keep-power-in-suspend;
+	vmmc-supply = <&reg_3v3>;
+	status = "okay";
+};

arch/arm/boot/dts/imx6ull-colibri-nonwifi.dtsi

@@ -0,0 +1,23 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2018 Toradex AG
+ */
+
+#include "imx6ull-colibri.dtsi"
+
+/ {
+	memory {
+		reg = <0x80000000 0x10000000>;
+	};
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpio1 &pinctrl_gpio2 &pinctrl_gpio3
+		&pinctrl_gpio4 &pinctrl_gpio5 &pinctrl_gpio6>;
+};
+
+&iomuxc_snvs {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_snvs_gpio1 &pinctrl_snvs_gpio2 &pinctrl_snvs_gpio3>;
+};

arch/arm/boot/dts/imx6ull-colibri-wifi-eval-v3.dts

@@ -0,0 +1,14 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2018 Toradex AG
+ */
+
+/dts-v1/;
+
+#include "imx6ull-colibri-wifi.dtsi"
+#include "imx6ull-colibri-eval-v3.dtsi"
+
+/ {
+	model = "Toradex Colibri iMX6ULL 512MB on Colibri Evaluation Board V3";
+	compatible = "toradex,colibri-imx6ull-wifi-eval", "fsl,imx6ull";
+};

arch/arm/boot/dts/imx6ull-colibri-wifi.dtsi

@@ -0,0 +1,65 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright 2018 Toradex AG
+ */
+
+#include "imx6ull-colibri.dtsi"
+
+/ {
+	memory {
+		reg = <0x80000000 0x20000000>;
+	};
+
+	wifi_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_snvs_wifi_pdn>;
+		reset-gpios = <&gpio5 11 GPIO_ACTIVE_LOW>;
+	};
+};
+
+&cpu0 {
+	clock-frequency = <792000000>;
+	operating-points = <
+		/* kHz	uV */
+		792000  1225000
+		528000	1175000
+		396000	1025000
+		198000	950000
+	>;
+	fsl,soc-operating-points = <
+		/* KHz	uV */
+		792000  1175000
+		528000	1175000
+		396000	1175000
+		198000	1175000
+	>;
+};
+
+&iomuxc {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_gpio1 &pinctrl_gpio2 &pinctrl_gpio3
+		&pinctrl_gpio4 &pinctrl_gpio5>;
+
+};
+
+&iomuxc_snvs {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_snvs_gpio1 &pinctrl_snvs_gpio2>;
+};
+
+&usdhc2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usdhc2>;
+	assigned-clocks = <&clks IMX6UL_CLK_USDHC2_SEL>, <&clks IMX6UL_CLK_USDHC2>;
+	assigned-clock-parents = <&clks IMX6UL_CLK_PLL2_PFD2>;
+	assigned-clock-rates = <0>, <198000000>;
+	cap-power-off-card;
+	keep-power-in-suspend;
+	mmc-pwrseq = <&wifi_pwrseq>;
+	no-1-8-v;
+	non-removable;
+	vmmc-supply = <&reg_module_3v3>;
+	wakeup-source;
+	status = "okay";
+};