ARM: dts: Add a Verbatim Gigabit NAS DTS

This adds a device tree for the Verbatim S08V1901-D1 NAS
which also has the product names "Gigabit Network Hard Drive"
"Gigabit NAS" and maybe other names.

Signed-off-by: Linus Walleij <linusw@kernel.org>

arch/arm/boot/dts/gemini/Makefile

@@ -8,5 +8,6 @@ dtb-$(CONFIG_ARCH_GEMINI) += \
 	gemini-sl93512r.dtb \
 	gemini-sq201.dtb \
 	gemini-ssi1328.dtb \
+	gemini-verbatim-s08v1901-d1.dtb \
 	gemini-wbd111.dtb \
 	gemini-wbd222.dtb

arch/arm/boot/dts/gemini/gemini-verbatim-s08v1901-d1.dts

@@ -0,0 +1,225 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree file for the Verbatim S08V1901-D1
+ * on product packaging called "Verbatim Gigabit Ethernet Hard Drive"
+ */
+
+/dts-v1/;
+
+#include "gemini.dtsi"
+#include <dt-bindings/leds/common.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+	model = "Verbatim Gigabit Ethernet Hard Drive S08V1901-D1";
+	compatible = "verbatim,s08v1901-d1", "cortina,gemini";
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	memory@0 {
+		/* 64MB SDRAM in 2 x Hynix HY5DU561622ETP-D43 */
+		device_type = "memory";
+		reg = <0x00000000 0x4000000>;
+	};
+
+	chosen {
+		bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait";
+		stdout-path = &uart0;
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+
+		button-reset {
+			debounce-interval = <50>;
+			wakeup-source;
+			linux,code = <KEY_RESTART>;
+			label = "reset";
+			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	leds {
+		compatible = "gpio-leds";
+		led-green-harddisk {
+			function = LED_FUNCTION_DISK_ACTIVITY;
+			color = <LED_COLOR_ID_GREEN>;
+			gpios = <&gpio0 1 GPIO_ACTIVE_LOW>;
+			default-state = "off";
+			linux,default-trigger = "disk-activity";
+		};
+	};
+
+	/*
+	 * Fan control candidates: gpio0 10, gpio1 28
+	 */
+
+	mdio0: mdio {
+		compatible = "virtual,mdio-gpio";
+		/* Uses MDC and MDIO */
+		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		/* This is a Realtek RTL8211CL ethernet PHY */
+		phy0: ethernet-phy@1 {
+			reg = <1>;
+		};
+	};
+
+	/*
+	 * I haven't found a way to control the fan, it appears to be
+	 * always on.
+	 */
+	thermal-zones {
+		chassis-thermal {
+			/* Poll every 20 seconds */
+			polling-delay = <20000>;
+			/* Poll every 2nd second when cooling */
+			polling-delay-passive = <2000>;
+			/*  Use the thermal sensor in the hard drive */
+			thermal-sensors = <&drive0>;
+
+			/* Tripping points from the fan.script in the rootfs */
+			trips {
+				alert: chassis-alert {
+					/* At 43 degrees turn on the fan */
+					temperature = <43000>;
+					hysteresis = <3000>;
+					type = "active";
+				};
+				crit: chassis-crit {
+					/* Just shut down at 60 degrees */
+					temperature = <60000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+		};
+	};
+
+	soc {
+		flash@30000000 {
+			/*
+			 * This is a Spansion S29GL128P11TFI01 852FB245 A
+			 * 128Mbit (16MB) Flash memory.
+			 */
+			status = "okay";
+			reg = <0x30000000 0x01000000>;
+
+			partitions {
+				compatible = "redboot-fis";
+				/* Eraseblock at 0xfe0000 */
+				fis-index-block = <0x7f>;
+			};
+		};
+
+		syscon: syscon@40000000 {
+			pinctrl {
+				/*
+				 * gpio0agrp cover line 0-4 as line 1 is used for the LED
+				 * gpio0hgrp cover line 21, 22 used by MDIO for Marvell PHY
+				 */
+				gpio0_default_pins: pinctrl-gpio0 {
+					mux {
+						function = "gpio0";
+						groups = "gpio0agrp", "gpio0hgrp";
+					};
+				};
+				gpio1_default_pins: pinctrl-gpio1 {
+					/*
+					 * Free up the TVC pins at GPIO1 offset 28,29,30,31
+					 * line 31 is used for reset key
+					 */
+					mux {
+						function = "gpio1";
+						groups = "gpio1dgrp";
+					};
+				};
+				pinctrl-gmii {
+					mux {
+						function = "gmii";
+						groups = "gmii_gmac0_grp";
+					};
+					/* TODO: investigate vendor registers on boot */
+					conf0 {
+						pins = "V8 GMAC0 RXDV";
+						skew-delay = <0>;
+					};
+					conf1 {
+						pins = "Y7 GMAC0 RXC";
+						skew-delay = <15>;
+					};
+					conf2 {
+						pins = "T8 GMAC0 TXEN";
+						skew-delay = <7>;
+					};
+					conf3 {
+						pins = "U8 GMAC0 TXC";
+						skew-delay = <10>;
+					};
+					conf4 {
+						/* The data lines all have default skew */
+						pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
+						       "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
+						       "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
+						       "V7 GMAC0 TXD2", "U7 GMAC0 TXD3";
+						skew-delay = <7>;
+					};
+				};
+			};
+		};
+
+		/* Both interfaces brought out on SATA connectors */
+		sata: sata@46000000 {
+			cortina,gemini-ata-muxmode = <0>;
+			cortina,gemini-enable-sata-bridge;
+			status = "okay";
+		};
+
+		gpio0: gpio@4d000000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&gpio0_default_pins>;
+		};
+
+		gpio1: gpio@4e000000 {
+			pinctrl-names = "default";
+			pinctrl-0 = <&gpio1_default_pins>;
+		};
+
+		ethernet@60000000 {
+			status = "okay";
+
+			ethernet-port@0 {
+				phy-mode = "rgmii";
+				phy-handle = <&phy0>;
+			};
+		};
+
+		ide@63000000 {
+			status = "okay";
+			/*
+			 * This drive may have a temperature sensor with a
+			 * thermal zone we can use for thermal control of the
+			 * chassis temperature using the fan.
+			 */
+			drive0: ide-port@0 {
+				reg = <0>;
+				#thermal-sensor-cells = <0>;
+			};
+		};
+
+		ide@63400000 {
+			status = "okay";
+		};
+
+		usb@68000000 {
+			status = "okay";
+		};
+
+		usb@69000000 {
+			status = "okay";
+		};
+	};
+};