arm: mvebu: Add support for Thecus N2350 (Armada 385) board

Thecus N2350 is a NAS based on Marvell Armada 385 SoC.

Specification:

- Processor: Marvel MV88F6820 Dual Core at 1GHz
- 1 GiB DDR4 RAM
- 4MB Macronix mx25l3205d SPI flash
- 512MB Hynix H27U4G8F2DTR-BC NAND flash
- I2C
- 2x USB 3.0
- 1x GBE LAN port (PHY: Marvell 88E1510)
- 2x SATA (hot swap slots)
- 3x buttons
- 10x LEDS
- serial console

Signed-off-by: Tony Dinh <[email protected]>
Reviewed-by: Stefan Roese <[email protected]>

3 files changed, 458 insertions, 0 deletions

diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index d9b719f85dd..dee298228fe 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -247,6 +247,7 @@ dtb-$(CONFIG_ARCH_MVEBU) +=			\
 	armada-385-atl-x530.dtb			\
 	armada-385-atl-x530DP.dtb		\
 	armada-385-db-88f6820-amc.dtb		\
+	armada-385-thecus-n2350.dtb		\
 	armada-385-turris-omnia.dtb		\
 	armada-388-clearfog.dtb			\
 	armada-388-gp.dtb			\
diff --git a/arch/arm/dts/armada-385-thecus-n2350.dts b/arch/arm/dts/armada-385-thecus-n2350.dts
new file mode 100644
index 00000000000..fc29c4d25a8
--- /dev/null
+++ b/arch/arm/dts/armada-385-thecus-n2350.dts
@@ -0,0 +1,446 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Device Tree file for Thecus N2350 board
+ *
+ * Copyright (C) 2018-2023 Tony Dinh <[email protected]>
+ * Copyright (C) 2018 Manuel Jung <[email protected]>
+ */
+
+/dts-v1/;
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include "armada-385.dtsi"
+
+/ {
+	model = "Thecus N2350";
+	compatible = "thecus,n2350", "marvell,armada385";
+
+	aliases {
+		ethernet0 = &eth0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory {
+		device_type = "memory";
+		reg = <0x00000000 0x40000000>; /* 1GB */
+	};
+
+	soc {
+		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
+			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
+			  MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
+			  MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
+			  MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
+
+	};
+
+	usb3_0_phy: usb3_0_phy {
+		compatible = "usb-nop-xceiv";
+		vcc-supply = <&usb3_0_power>;
+	};
+
+	usb3_1_phy: usb3_1_phy {
+		compatible = "usb-nop-xceiv";
+		vcc-supply = <&usb3_1_power>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		pinctrl-0 = <&pmx_power_button &pmx_copy_button &pmx_reset_button>;
+		pinctrl-names = "default";
+
+		button@1 {
+			label = "Power Button";
+			linux,code = <KEY_POWER>;
+			gpios = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+		};
+
+		button@2 {
+			label = "Copy Button";
+			linux,code = <KEY_COPY>;
+			gpios = <&gpio1 20 GPIO_ACTIVE_HIGH>;
+		};
+
+		button@3 {
+			label = "Reset Button";
+			linux,code = <KEY_RESTART>;
+			gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	gpio-leds {
+		compatible = "gpio-leds";
+		pinctrl-0 = <&pmx_sata1_white_led
+				&pmx_sata1_red_led
+				&pmx_sata2_white_led
+				&pmx_sata2_red_led
+				&pmx_sys_white_led
+				&pmx_sys_red_led
+				&pmx_pwr_blue_led
+				&pmx_pwr_red_led
+				&pmx_usb_white_led
+				&pmx_usb_red_led>;
+
+		pinctrl-names = "default";
+
+		white_sata1 {
+			label = "n2350:white:sata1";
+			gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "ide-disk1";
+		};
+
+		red_sata1 {
+			label = "n2350:red:sata1";
+			gpios = <&gpio1 14 GPIO_ACTIVE_HIGH>;
+		};
+
+		white-sata2 {
+			label = "n2350:white:sata2";
+			gpios = <&gpio0 19 GPIO_ACTIVE_HIGH>;
+		};
+
+		red-sata2 {
+			label = "n2350:red:sata2";
+			gpios = <&gpio1 15 GPIO_ACTIVE_HIGH>;
+		};
+
+		white-sys {
+			label = "n2350:white:sys";
+			gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+			linux,default-trigger = "default-on";
+		};
+
+		red-sys {
+			label = "n2350:red:sys";
+			gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+		};
+
+		blue-pwr {
+			label = "n2350:blue:pwr";
+			gpios = <&gpio1 11 GPIO_ACTIVE_HIGH>;
+		};
+
+		red-pwr {
+			label = "n2350:red:pwr";
+			gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
+		};
+
+		white-usb {
+			label = "n2350:white:usb";
+			gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+		};
+
+		red-usb {
+			label = "n2350:red:usb";
+			gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>;
+		};
+	};
+
+	regulators {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		usb3_0_power: regulator@1 {
+			compatible = "regulator-fixed";
+			reg = <1>;
+			regulator-name = "USB3_0_Power";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			enable-active-high;
+			regulator-always-on;
+			regulator-boot-on;
+			gpio = <&gpio0 21 GPIO_ACTIVE_HIGH>;
+		};
+
+		usb3_1_power: regulator@2 {
+			compatible = "regulator-fixed";
+			reg = <1>;
+			regulator-name = "USB3_1_Power";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			enable-active-high;
+			regulator-always-on;
+			regulator-boot-on;
+			gpio = <&gpio0 24 GPIO_ACTIVE_HIGH>;
+		};
+
+		reg_sata0: regulator@3 {
+			compatible = "regulator-fixed";
+			regulator-name = "pwr_en_sata0";
+			regulator-min-microvolt = <12000000>;
+			regulator-max-microvolt = <12000000>;
+			enable-active-high;
+			regulator-always-on;
+			regulator-boot-on;
+			gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
+		};
+
+		reg_5v_sata0: v5-sata0 {
+			compatible = "regulator-fixed";
+			regulator-name = "v5.0-sata0";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			vin-supply = <&reg_sata0>;
+		};
+
+		reg_12v_sata0: v12-sata0 {
+			compatible = "regulator-fixed";
+			regulator-name = "v12.0-sata0";
+			regulator-min-microvolt = <12000000>;
+			regulator-max-microvolt = <12000000>;
+			vin-supply = <&reg_sata0>;
+		};
+
+		reg_sata1: regulator@4 {
+			regulator-name = "pwr_en_sata1";
+			compatible = "regulator-fixed";
+			regulator-min-microvolt = <12000000>;
+			regulator-max-microvolt = <12000000>;
+			enable-active-high;
+			regulator-always-on;
+			regulator-boot-on;
+			gpio = <&gpio1 13 GPIO_ACTIVE_HIGH>;
+		};
+
+		reg_5v_sata1: v5-sata1 {
+			compatible = "regulator-fixed";
+			regulator-name = "v5.0-sata1";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			vin-supply = <&reg_sata1>;
+		};
+
+		reg_12v_sata1: v12-sata1 {
+			compatible = "regulator-fixed";
+			regulator-name = "v12.0-sata1";
+			regulator-min-microvolt = <12000000>;
+			regulator-max-microvolt = <12000000>;
+			vin-supply = <&reg_sata1>;
+		};
+
+	};
+
+	gpio-poweroff {
+		compatible = "gpio-poweroff";
+		pinctrl-0 = <&pmx_pwr_off>;
+		pinctrl-names = "default";
+		gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
+	};
+
+};
+
+&ahci0 {
+	status = "okay";
+};
+
+&bm {
+	status = "okay";
+};
+
+&bm_bppi {
+	status = "okay";
+};
+
+&eth0 {
+	status = "okay";
+	phy = <&phy0>;
+	phy-mode = "sgmii";
+	buffer-manager = <&bm>;
+	bm,pool-long = <0>;
+	bm,pool-short = <1>;
+};
+
+&i2c0 {
+	status = "okay";
+	clock-frequency = <100000>;
+};
+
+&i2c1 {
+	status = "okay";
+	clock-frequency = <100000>;
+};
+
+&mdio {
+	phy0: ethernet-phy@0 {
+		reg = <1>;
+	};
+};
+
+&nand_controller {
+	status = "okay";
+
+	nand@0 {
+		status = "okay";
+		reg = <0>;
+		label = "pxa3xx_nand-0";
+		nand-rb = <0>;
+		marvell,nand-keep-config;
+		nand-on-flash-bbt;
+		nand-ecc-strength = <4>;
+		nand-ecc-step-size = <512>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			partition@0 {
+				label = "rootfs";
+				reg = <0x00000000 0x20000000>;
+			};
+
+		};
+	};
+};
+
+&pciec {
+	status = "okay";
+	/*
+	 * The two PCIe units are accessible through
+	 * standard PCIe slots on the board.
+	 */
+	pcie@1,0 {
+		/* Port 0, Lane 0 */
+		status = "okay";
+	};
+	pcie@2,0 {
+		/* Port 1, Lane 0 */
+		status = "okay";
+	};
+};
+
+&pinctrl {
+	pinctrl-names = "default";
+
+	pmx_power_button: pmx-power-button {
+		marvell,pins = "mpp49";
+		marvell,function = "gpio";
+	};
+
+	pmx_copy_button: pmx-copy-button {
+		marvell,pins = "mpp52";
+		marvell,function = "gpio";
+	};
+
+	pmx_reset_button: pmx-reset-button {
+		marvell,pins = "mpp50";
+		marvell,function = "gpio";
+	};
+
+	pmx_sata1_white_led: pmx-sata1-white-led {
+		marvell,pins = "mpp20";
+		marvell,function = "gpio";
+	};
+
+	pmx_sata1_red_led: pmx-sata1-red-led {
+		marvell,pins = "mpp46";
+		marvell,function = "gpio";
+	};
+
+	pmx_sata2_white_led: pmx-sata2-white-led {
+		marvell,pins = "mpp19";
+		marvell,function = "gpio";
+	};
+
+	pmx_sata2_red_led: pmx-sata2-red-led {
+		marvell,pins = "mpp47";
+		marvell,function = "gpio";
+	};
+
+	pmx_sys_white_led: pmx-sys-white-led {
+		marvell,pins = "mpp14";
+		marvell,function = "gpio";
+	};
+
+	pmx_sys_red_led: pmx-sys-red-led {
+		marvell,pins = "mpp15";
+		marvell,function = "gpio";
+	};
+
+	pmx_buzzer: pmx-buzzer {
+		marvell,pins = "mpp51";
+		marvell,function = "gpio";
+	};
+
+	pmx_pwr_off: pmx-pwr-off {
+		marvell,pins = "mpp54";
+		marvell,function = "gpio";
+	};
+
+	pmx_pwr_blue_led: pmx-pwr-blue-led {
+		marvell,pins = "mpp43";
+		marvell,function = "gpio";
+	};
+
+	pmx_pwr_red_led: pmx-pwr-red-led {
+		marvell,pins = "mpp18";
+		marvell,function = "gpio";
+	};
+
+	pmx_usb_white_led: pmx-usb-white-led {
+		marvell,pins = "mpp16";
+		marvell,function = "gpio";
+	};
+
+	pmx_usb_red_led: pmx-usb-red-led {
+		marvell,pins = "mpp17";
+		marvell,function = "gpio";
+	};
+};
+
+&sdhci {
+	broken-cd;
+	wp-inverted;
+	bus-width = <8>;
+	status = "okay";
+	no-1-8-v;
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi1_pins>;
+	status = "okay";
+
+	/* spi: 4M Flash Macronix MX25L3205D */
+	spi-flash@0 {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "macronix,mx25l3205d", "jedec,spi-nor";
+		reg = <0>;
+
+		spi-max-frequency = <108000000>;
+		spi-cpha;
+
+		partition@0 {
+			label = "u-boot";
+			reg = <0x00000000 0x00100000>;
+		};
+
+		partition@100000 {
+			label = "u-boot-env";
+			reg = <0x00100000 0x00010000>;
+		};
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
+
+&usb0 {
+	status = "okay";
+};
+
+&usb3_0 {
+	status = "okay";
+};
+
+&usb3_1 {
+	status = "okay";
+};
diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
index 594e9a03d90..f829e40945d 100644
--- a/arch/arm/mach-mvebu/Kconfig
+++ b/arch/arm/mach-mvebu/Kconfig
@@ -97,6 +97,9 @@ config 88F6820
 config CUSTOMER_BOARD_SUPPORT
 	bool
 
+config DDR4
+	bool "Support Marvell DDR4 Training driver"
+
 choice
 	prompt "Armada XP/375/38x/3700/7K/8K/Alleycat-5 board select"
 	optional
@@ -175,6 +178,11 @@ config TARGET_MAXBCM
 	select BOARD_ECC_SUPPORT
 	select MV78460
 
+config TARGET_N2350
+	bool "Support Thecus N2350"
+	select 88F6820
+	select DDR4
+
 config TARGET_THEADORABLE
 	bool "Support theadorable Armada XP"
 	select BOARD_LATE_INIT if USB
@@ -257,6 +265,7 @@ config SYS_BOARD
 	default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
 	default "ds414" if TARGET_DS414
 	default "maxbcm" if TARGET_MAXBCM
+	default "n2350" if TARGET_N2350
 	default "theadorable" if TARGET_THEADORABLE
 	default "a38x" if TARGET_CONTROLCENTERDC
 	default "x530" if TARGET_X530
@@ -276,6 +285,7 @@ config SYS_CONFIG_NAME
 	default "db-mv784mp-gp" if TARGET_DB_MV784MP_GP
 	default "ds414" if TARGET_DS414
 	default "maxbcm" if TARGET_MAXBCM
+	default "n2350" if TARGET_N2350
 	default "theadorable" if TARGET_THEADORABLE
 	default "turris_omnia" if TARGET_TURRIS_OMNIA
 	default "turris_mox" if TARGET_TURRIS_MOX
@@ -298,6 +308,7 @@ config SYS_VENDOR
 	default "solidrun" if TARGET_CLEARFOG
 	default "kobol" if TARGET_HELIOS4
 	default "Synology" if TARGET_DS414
+	default "thecus" if TARGET_N2350
 	default "CZ.NIC" if TARGET_TURRIS_OMNIA
 	default "CZ.NIC" if TARGET_TURRIS_MOX
 	default "gdsys" if TARGET_CONTROLCENTERDC