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

From: Tarang Raval
Date: Sat Aug 31 2024 - 07:09:29 EST

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 | 361 ++++++++++++++++++
3 files changed, 373 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..0b08484e8319
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
@@ -0,0 +1,361 @@
+// 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";
+ compatible = "variscite,imx8mp-var-som", "fsl,imx8mp";
+
+ chosen {
+ stdout-path = &uart2;
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+ status = "okay";
+
+ 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