ARM: dts: imx6ul: add TQ-Systems MBa6ULx device trees

Add device trees for the MBa6ULx mainboard with TQMa6ULx SoMs.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/Makefile

@@ -690,6 +690,8 @@ 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 \

arch/arm/boot/dts/imx6ul-tqma6ul-common.dtsi

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel@tq-group.com>
+ */
+
+/*
+ * Common for
+ * - TQMa6ULx
+ * - TQMa6ULxL
+ * - TQMa6ULLx
+ * - TQMa6ULLxL
+ */
+
+/ {
+	memory@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@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@1a {
+		compatible = "nxp,se97", "jedec,jc-42.4-temp";
+		reg = <0x1a>;
+	};
+
+	m24c64_50: eeprom@50 {
+		compatible = "atmel,24c64";
+		reg = <0x50>;
+		pagesize = <32>;
+	};
+
+	m24c02_52: eeprom@52 {
+		compatible = "nxp,se97b", "atmel,24c02";
+		reg = <0x52>;
+		pagesize = <16>;
+		read-only;
+	};
+
+	rtc0: rtc@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@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
+		>;
+	};
+};

arch/arm/boot/dts/imx6ul-tqma6ul1-mba6ulx.dts

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel@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@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
+		>;
+	};
+};

arch/arm/boot/dts/imx6ul-tqma6ul1.dtsi

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel@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";
+};

arch/arm/boot/dts/imx6ul-tqma6ul2-mba6ulx.dts

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel@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";
+};

arch/arm/boot/dts/imx6ul-tqma6ul2.dtsi

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel@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
+		>;
+	};
+};

arch/arm/boot/dts/imx6ul-tqma6ulx-common.dtsi

+// SPDX-License-Identifier: (GPL-2.0-or-later OR MIT)
+/*
+ * Copyright 2018-2022 TQ-Systems GmbH
+ * Author: Markus Niebel <Markus.Niebel@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
+		>;
+	};
+};