--- /dev/null
+// 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";
+ };
+ };
+};
projects / thirdparty / kernel / linux.git / commitdiff
