imx8mn_var_som: Add support for Variscite VAR-SOM-MX8M-NANO board
Add support for iMX8MN VAR-SOM-MX8M-NANO board. Enables support for:
- 1GiB DDR4 RAM
- 16 GiB eMMC
- SD card
- Gigabit ethernet
- USBOTG1 peripheral - fastboot
Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@collabora.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/dts/imx8mn-var-som-symphony.dts b/arch/arm/dts/imx8mn-var-som-symphony.dts
new file mode 100644
index 0000000..f61c487
--- /dev/null
+++ b/arch/arm/dts/imx8mn-var-som-symphony.dts
@@ -0,0 +1,240 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2019-2020 Variscite Ltd.
+ * Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
+ */
+
+/dts-v1/;
+
+#include "imx8mn-var-som.dtsi"
+
+/ {
+ model = "Variscite VAR-SOM-MX8MN Symphony evaluation board";
+ compatible = "variscite,var-som-mx8mn-symphony", "variscite,var-som-mx8mn", "fsl,imx8mn";
+
+ reg_usdhc2_vmmc: regulator-usdhc2-vmmc {
+ compatible = "regulator-fixed";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_reg_usdhc2_vmmc>;
+ regulator-name = "VSD_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ gpio = <&gpio4 22 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+
+ back {
+ label = "Back";
+ gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_BACK>;
+ };
+
+ home {
+ label = "Home";
+ gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_HOME>;
+ };
+
+ menu {
+ label = "Menu";
+ gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_MENU>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led {
+ label = "Heartbeat";
+ gpios = <&pca9534 0 GPIO_ACTIVE_LOW>;
+ linux,default-trigger = "heartbeat";
+ };
+ };
+};
+
+ðphy {
+ reset-gpios = <&pca9534 5 GPIO_ACTIVE_HIGH>;
+};
+
+&i2c2 {
+ clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c2>;
+ status = "okay";
+
+ pca9534: gpio@20 {
+ compatible = "nxp,pca9534";
+ reg = <0x20>;
+ gpio-controller;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_pca9534>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <7 IRQ_TYPE_EDGE_FALLING>;
+ #gpio-cells = <2>;
+ wakeup-source;
+
+ /* USB 3.0 OTG (usbotg1) / SATA port switch, set to USB 3.0 */
+ usb3-sata-sel-hog {
+ gpio-hog;
+ gpios = <4 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "usb3_sata_sel";
+ };
+
+ som-vselect-hog {
+ gpio-hog;
+ gpios = <6 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "som_vselect";
+ };
+
+ enet-sel-hog {
+ gpio-hog;
+ gpios = <7 GPIO_ACTIVE_HIGH>;
+ output-low;
+ line-name = "enet_sel";
+ };
+ };
+
+ extcon_usbotg1: typec@3d {
+ compatible = "nxp,ptn5150";
+ reg = <0x3d>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_ptn5150>;
+ status = "okay";
+ };
+};
+
+&i2c3 {
+ /* Capacitive touch controller */
+ ft5x06_ts: touchscreen@38 {
+ compatible = "edt,edt-ft5406";
+ reg = <0x38>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_captouch>;
+ interrupt-parent = <&gpio5>;
+ interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
+
+ touchscreen-size-x = <800>;
+ touchscreen-size-y = <480>;
+ touchscreen-inverted-x;
+ touchscreen-inverted-y;
+ };
+
+ rtc@68 {
+ compatible = "dallas,ds1337";
+ reg = <0x68>;
+ };
+};
+
+/* Header */
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart1>;
+ status = "okay";
+};
+
+/* Header */
+&uart3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_uart3>;
+ status = "okay";
+};
+
+&usbotg1 {
+ disable-over-current;
+ extcon = <&extcon_usbotg1>, <&extcon_usbotg1>;
+};
+
+&pinctrl_fec1 {
+ fsl,pins = <
+ MX8MN_IOMUXC_ENET_MDC_ENET1_MDC 0x3
+ MX8MN_IOMUXC_ENET_MDIO_ENET1_MDIO 0x3
+ MX8MN_IOMUXC_ENET_TD3_ENET1_RGMII_TD3 0x1f
+ MX8MN_IOMUXC_ENET_TD2_ENET1_RGMII_TD2 0x1f
+ MX8MN_IOMUXC_ENET_TD1_ENET1_RGMII_TD1 0x1f
+ MX8MN_IOMUXC_ENET_TD0_ENET1_RGMII_TD0 0x1f
+ MX8MN_IOMUXC_ENET_RD3_ENET1_RGMII_RD3 0x91
+ MX8MN_IOMUXC_ENET_RD2_ENET1_RGMII_RD2 0x91
+ MX8MN_IOMUXC_ENET_RD1_ENET1_RGMII_RD1 0x91
+ MX8MN_IOMUXC_ENET_RD0_ENET1_RGMII_RD0 0x91
+ MX8MN_IOMUXC_ENET_TXC_ENET1_RGMII_TXC 0x1f
+ MX8MN_IOMUXC_ENET_RXC_ENET1_RGMII_RXC 0x91
+ MX8MN_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL 0x91
+ MX8MN_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL 0x1f
+ /* Remove the MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9 as not used */
+ >;
+};
+
+&pinctrl_fec1_sleep {
+ fsl,pins = <
+ MX8MN_IOMUXC_ENET_MDC_GPIO1_IO16 0x120
+ MX8MN_IOMUXC_ENET_MDIO_GPIO1_IO17 0x120
+ MX8MN_IOMUXC_ENET_TD3_GPIO1_IO18 0x120
+ MX8MN_IOMUXC_ENET_TD2_GPIO1_IO19 0x120
+ MX8MN_IOMUXC_ENET_TD1_GPIO1_IO20 0x120
+ MX8MN_IOMUXC_ENET_TD0_GPIO1_IO21 0x120
+ MX8MN_IOMUXC_ENET_RD3_GPIO1_IO29 0x120
+ MX8MN_IOMUXC_ENET_RD2_GPIO1_IO28 0x120
+ MX8MN_IOMUXC_ENET_RD1_GPIO1_IO27 0x120
+ MX8MN_IOMUXC_ENET_RD0_GPIO1_IO26 0x120
+ MX8MN_IOMUXC_ENET_TXC_GPIO1_IO23 0x120
+ MX8MN_IOMUXC_ENET_RXC_GPIO1_IO25 0x120
+ MX8MN_IOMUXC_ENET_RX_CTL_GPIO1_IO24 0x120
+ MX8MN_IOMUXC_ENET_TX_CTL_GPIO1_IO22 0x120
+ /* Remove the MX8MM_IOMUXC_GPIO1_IO09_GPIO1_IO9 as not used */
+ >;
+};
+
+&iomuxc {
+ pinctrl_captouch: captouchgrp {
+ fsl,pins = <
+ MX8MN_IOMUXC_SPDIF_RX_GPIO5_IO4 0x16
+ >;
+ };
+
+ pinctrl_i2c2: i2c2grp {
+ fsl,pins = <
+ MX8MN_IOMUXC_I2C2_SCL_I2C2_SCL 0x400001c3
+ MX8MN_IOMUXC_I2C2_SDA_I2C2_SDA 0x400001c3
+ >;
+ };
+
+ pinctrl_pca9534: pca9534grp {
+ fsl,pins = <
+ MX8MN_IOMUXC_GPIO1_IO07_GPIO1_IO7 0x16
+ >;
+ };
+
+ pinctrl_ptn5150: ptn5150grp {
+ fsl,pins = <
+ MX8MN_IOMUXC_GPIO1_IO11_GPIO1_IO11 0x16
+ >;
+ };
+
+ pinctrl_reg_usdhc2_vmmc: regusdhc2vmmcgrp {
+ fsl,pins = <
+ MX8MN_IOMUXC_SAI2_RXC_GPIO4_IO22 0x41
+ >;
+ };
+
+ pinctrl_uart1: uart1grp {
+ fsl,pins = <
+ MX8MN_IOMUXC_UART1_RXD_UART1_DCE_RX 0x140
+ MX8MN_IOMUXC_UART1_TXD_UART1_DCE_TX 0x140
+ >;
+ };
+
+ pinctrl_uart3: uart3grp {
+ fsl,pins = <
+ MX8MN_IOMUXC_UART3_RXD_UART3_DCE_RX 0x140
+ MX8MN_IOMUXC_UART3_TXD_UART3_DCE_TX 0x140
+ >;
+ };
+};