[PATCH v3 1/2] arm64: dts: imx8mp-var-som-symphony: Add Variscite Symphony board and VAR-SOM-MX8MP SoM

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Adds the DTSI file for the Variscite VAR-SOM-MX8MP System on Module which
is delivered with the Variscite Symphony Evaluation Kit.

Initial support includes:
- Serial console
- eMMC
- SD card

Signed-off-by: Tarang Raval <tarang.raval@xxxxxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../dts/freescale/imx8mp-var-som-symphony.dts |  11 +
 .../boot/dts/freescale/imx8mp-var-som.dtsi    | 359 ++++++++++++++++++
 3 files changed, 371 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi

diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile
index bd443c2bc5a4..03db6aef757d 100644
--- a/arch/arm64/boot/dts/freescale/Makefile
+++ b/arch/arm64/boot/dts/freescale/Makefile
@@ -177,6 +177,7 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-hdmi.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-lt6.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-skov-revb-mi1010ait-1cp1.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-tqma8mpql-mba8mpxl.dtb
+dtb-$(CONFIG_ARCH_MXC) += imx8mp-var-som-symphony.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw71xx-2x.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw72xx-2x.dtb
 dtb-$(CONFIG_ARCH_MXC) += imx8mp-venice-gw73xx-2x.dtb
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
new file mode 100644
index 000000000000..36d3eb865202
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som-symphony.dts
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 Variscite Ltd.
+ */
+
+#include "imx8mp-var-som.dtsi"
+
+/ {
+	model = "Variscite VAR-SOM-MX8M-PLUS on Symphony-Board";
+	compatible = "variscite,var-som-mx8mp-symphony", "variscite,var-som-mx8mp", "fsl,imx8mp";
+};
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
new file mode 100644
index 000000000000..f1bd2d9d585b
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
@@ -0,0 +1,359 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2024 Variscite Ltd.
+ *
+ * Author: Tarang Raval <tarang.raval@xxxxxxxxxxxxxxxxx>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/phy/phy-imx8-pcie.h>
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/usb/pd.h>
+#include "imx8mp.dtsi"
+
+/ {
+	model = "Variscite VAR-SOM-MX8M Plus module";
+
+	chosen {
+		stdout-path = &uart2;
+	};
+	
+	gpio-leds {
+	        compatible = "gpio-leds";
+	
+	        led-0 {
+	                function = LED_FUNCTION_POWER;
+	                gpios = <&pca9534 0 GPIO_ACTIVE_HIGH>;
+	                linux,default-trigger = "heartbeat";
+	        };
+	};
+	
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x0 0x40000000 0 0xc0000000>,
+		      <0x1 0x00000000 0 0xc0000000>;
+	};
+
+
+	reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
+	        compatible = "regulator-fixed";
+	        regulator-name = "VSD_3V3";
+	        regulator-min-microvolt = <3300000>;
+	        regulator-max-microvolt = <3300000>;
+	        gpios = <&gpio4 22 GPIO_ACTIVE_HIGH>;
+	        enable-active-high;
+	        startup-delay-us = <100>;
+	        off-on-delay-us = <12000>;
+	};
+};
+
+&A53_0 {
+	cpu-supply = <&buck2>;
+};
+
+&A53_1 {
+	cpu-supply = <&buck2>;
+};
+
+&A53_2 {
+	cpu-supply = <&buck2>;
+};
+
+&A53_3 {
+	cpu-supply = <&buck2>;
+};
+
+&i2c1 {
+	clock-frequency = <400000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c1>;
+	status = "okay";
+
+	pmic@25 {
+		compatible = "nxp,pca9450c";
+		reg = <0x25>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_pmic>;
+		interrupt-parent = <&gpio5>;
+		interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
+
+		regulators {
+			buck1: BUCK1 {
+				regulator-name = "BUCK1";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+			};
+
+			buck2: BUCK2 {
+				regulator-name = "BUCK2";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <2187500>;
+				regulator-boot-on;
+				regulator-always-on;
+				regulator-ramp-delay = <3125>;
+				nxp,dvs-run-voltage = <950000>;
+				nxp,dvs-standby-voltage = <850000>;
+			};
+
+			buck4: BUCK4 {
+				regulator-name = "BUCK4";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck5: BUCK5 {
+				regulator-name = "BUCK5";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			buck6: BUCK6 {
+				regulator-name = "BUCK6";
+				regulator-min-microvolt = <600000>;
+				regulator-max-microvolt = <3400000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo1: LDO1 {
+				regulator-name = "LDO1";
+				regulator-min-microvolt = <1600000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo2: LDO2 {
+				regulator-name = "LDO2";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <1150000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo3: LDO3 {
+				regulator-name = "LDO3";
+				regulator-min-microvolt = <800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-boot-on;
+				regulator-always-on;
+			};
+
+			ldo4: LDO4 {
+				regulator-name = "LDO4";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			ldo5: LDO5 {
+				regulator-name = "LDO5";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+			};
+		};
+	};
+};
+
+&i2c3 {
+        clock-frequency = <400000>;
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_i2c3>;
+        status = "okay";
+
+	/* GPIO expander */
+	pca9534: gpio@20 {
+	        compatible = "nxp,pca9534";
+	        reg = <0x20>;
+	        pinctrl-names = "default";
+	        pinctrl-0 = <&pinctrl_pca9534>;
+	        gpio-controller;
+	        #gpio-cells = <2>;
+	        interrupt-parent = <&gpio1>;
+	        interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
+	        wakeup-source;
+	
+	        usb3-sata-sel-hog {
+	                gpio-hog;
+	                gpios = <4 0>;
+	                output-low;
+	                line-name = "usb3_sata_sel";
+	        };
+	};
+};
+
+/* Console */
+&uart2 {
+        pinctrl-names = "default";
+        pinctrl-0 = <&pinctrl_uart2>;
+        status = "okay";
+};
+
+/* SD-card */
+&usdhc2 {
+        pinctrl-names = "default", "state_100mhz", "state_200mhz";
+        pinctrl-0 = <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>;
+        pinctrl-1 = <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>;
+        pinctrl-2 = <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>;
+        cd-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
+        vmmc-supply = <&reg_usdhc2_vmmc>;
+        bus-width = <4>;
+        status = "okay";
+};
+
+/* eMMC */
+&usdhc3 {
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
+	pinctrl-0 = <&pinctrl_usdhc3>;
+	pinctrl-1 = <&pinctrl_usdhc3_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc3_200mhz>;
+	bus-width = <8>;
+	non-removable;
+	status = "okay";
+};
+
+&wdog1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_wdog>;
+	fsl,ext-reset-output;
+	status = "okay";
+};
+
+&iomuxc {
+
+	pinctrl_i2c1: i2c1grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SD1_DATA4__I2C1_SCL				0x400001c2
+			MX8MP_IOMUXC_SD1_DATA5__I2C1_SDA				0x400001c2
+		>;
+	};
+
+	pinctrl_i2c3: i2c3grp {
+	        fsl,pins = <
+	                MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL                                 0x400001c2
+	                MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA                                 0x400001c2
+	        >;
+	};
+
+	pinctrl_pca9534: pca9534grp {
+	        fsl,pins = <
+	                MX8MP_IOMUXC_GPIO1_IO15__GPIO1_IO15                             0xc0
+	        >;
+	};
+	
+	pinctrl_pmic: pmicgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_SPDIF_RX__GPIO5_IO04				0x1c0
+		>;
+	};
+
+	pinctrl_uart2: uart2grp {
+	        fsl,pins = <
+        	        MX8MP_IOMUXC_UART2_RXD__UART2_DCE_RX                            0x40
+                	MX8MP_IOMUXC_UART2_TXD__UART2_DCE_TX                            0x40
+        	>;
+	};
+
+	pinctrl_usdhc2_gpio: usdhc2-gpiogrp {
+	        fsl,pins = <
+	                MX8MP_IOMUXC_GPIO1_IO14__GPIO1_IO14                             0x1c4
+	                MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22                               0x10
+	                MX8MP_IOMUXC_SD2_CD_B__GPIO2_IO12                               0xc0
+	        >;
+	};
+	
+	pinctrl_usdhc2: usdhc2grp {
+	        fsl,pins = <
+	                MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x190
+	                MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d0
+	                MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d0
+	                MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d0
+	                MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d0
+	                MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d0
+	        >;
+	};
+	
+	pinctrl_usdhc2_100mhz: usdhc2-100mhzgrp {
+	        fsl,pins = <
+	                MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x194
+	                MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d4
+	                MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d4
+	                MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d4
+	                MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d4
+	                MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d4
+	        >;
+	};
+	
+	pinctrl_usdhc2_200mhz: usdhc2-200mhzgrp {
+	        fsl,pins = <
+	                MX8MP_IOMUXC_SD2_CLK__USDHC2_CLK                                0x196
+	                MX8MP_IOMUXC_SD2_CMD__USDHC2_CMD                                0x1d6
+	                MX8MP_IOMUXC_SD2_DATA0__USDHC2_DATA0                            0x1d6
+	                MX8MP_IOMUXC_SD2_DATA1__USDHC2_DATA1                            0x1d6
+	                MX8MP_IOMUXC_SD2_DATA2__USDHC2_DATA2                            0x1d6
+	                MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                            0x1d6
+	        >;
+	};
+
+	pinctrl_usdhc3: usdhc3grp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK				0x190
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD				0x1d0
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0				0x1d0
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1				0x1d0
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2				0x1d0
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3				0x1d0
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4				0x1d0
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5				0x1d0
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6				0x1d0
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7				0x1d0
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE				0x190
+		>;
+	};
+
+	pinctrl_usdhc3_100mhz: usdhc3-100mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK				0x194
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD				0x1d4
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0				0x1d4
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1				0x1d4
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2				0x1d4
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3				0x1d4
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4				0x1d4
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5				0x1d4
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6				0x1d4
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7				0x1d4
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE				0x194
+		>;
+	};
+
+	pinctrl_usdhc3_200mhz: usdhc3-200mhzgrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_NAND_WE_B__USDHC3_CLK				0x196
+			MX8MP_IOMUXC_NAND_WP_B__USDHC3_CMD				0x1d6
+			MX8MP_IOMUXC_NAND_DATA04__USDHC3_DATA0				0x1d6
+			MX8MP_IOMUXC_NAND_DATA05__USDHC3_DATA1				0x1d6
+			MX8MP_IOMUXC_NAND_DATA06__USDHC3_DATA2				0x1d6
+			MX8MP_IOMUXC_NAND_DATA07__USDHC3_DATA3				0x1d6
+			MX8MP_IOMUXC_NAND_RE_B__USDHC3_DATA4				0x1d6
+			MX8MP_IOMUXC_NAND_CE2_B__USDHC3_DATA5				0x1d6
+			MX8MP_IOMUXC_NAND_CE3_B__USDHC3_DATA6				0x1d6
+			MX8MP_IOMUXC_NAND_CLE__USDHC3_DATA7				0x1d6
+			MX8MP_IOMUXC_NAND_CE1_B__USDHC3_STROBE				0x196
+		>;
+	};
+
+	pinctrl_wdog: wdoggrp {
+		fsl,pins = <
+			MX8MP_IOMUXC_GPIO1_IO02__WDOG1_WDOG_B				0xc6
+		>;
+	};
+};
-- 
2.34.1





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