--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree file for the Gemini-based Raidsonic NAS IB-4210-B
+ * Based on the NAS Forum experiments by user "CptSpock".
+ */
+
+/dts-v1/;
+
+#include "gemini.dtsi"
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Raidsonic NAS IB-4210-B";
+ compatible = "raidsonic,ib-4210-b", "cortina,gemini";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ memory@0 { /* 64 MB */
+ 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-setup {
+ debounce-interval = <100>;
+ wakeup-source;
+ linux,code = <KEY_SETUP>;
+ label = "Backup button";
+ /* Conflict with TVC */
+ gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
+ };
+ button-restart {
+ debounce-interval = <100>;
+ wakeup-source;
+ linux,code = <KEY_RESTART>;
+ label = "Softreset button";
+ /* Conflict with TVC */
+ gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+ led-orange-hdd {
+ label = "nas4220b:orange:hdd";
+ /* Conflict with TVC */
+ gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ linux,default-trigger = "disk-activity";
+ };
+ led-green-os {
+ label = "nas4220b:green:os";
+ /* Conflict with TVC */
+ gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
+ default-state = "on";
+ linux,default-trigger = "heartbeat";
+ };
+ };
+
+ mdio0: mdio {
+ compatible = "virtual,mdio-gpio";
+ gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+ <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* Realtek RTL8211B */
+ phy0: ethernet-phy@1 {
+ reg = <1>;
+ device_type = "ethernet-phy";
+ };
+ };
+
+ soc {
+ flash@30000000 {
+ status = "okay";
+ /* 16MB of flash */
+ reg = <0x30000000 0x01000000>;
+
+ partitions {
+ compatible = "redboot-fis";
+ /* Eraseblock at 0xfe0000 */
+ fis-index-block = <0x7f>;
+ };
+ };
+
+ syscon: syscon@40000000 {
+ pinctrl {
+ gpio0_default_pins: pinctrl-gpio0 {
+ mux {
+ function = "gpio0";
+ groups =
+ "gpio0egrp",
+ /* Used by MDIO */
+ "gpio0igrp";
+ };
+ };
+ gpio1_default_pins: pinctrl-gpio1 {
+ mux {
+ function = "gpio1";
+ /* Lines 28-31 used by LEDs and buttons */
+ groups = "gpio1dgrp";
+ };
+ };
+ pinctrl-gmii {
+ mux {
+ function = "gmii";
+ groups = "gmii_gmac0_grp";
+ };
+ conf0 {
+ pins = "R8 GMAC0 RXDV", "U11 GMAC1 RXDV";
+ skew-delay = <0>;
+ };
+ conf1 {
+ pins = "T8 GMAC0 RXC";
+ skew-delay = <10>;
+ };
+ conf2 {
+ pins = "T11 GMAC1 RXC";
+ skew-delay = <15>;
+ };
+ conf3 {
+ pins = "P8 GMAC0 TXEN", "V11 GMAC1 TXEN";
+ skew-delay = <7>;
+ };
+ conf4 {
+ pins = "V7 GMAC0 TXC", "P10 GMAC1 TXC";
+ skew-delay = <10>;
+ };
+ conf5 {
+ /* The data lines all have default skew */
+ pins = "U8 GMAC0 RXD0", "V8 GMAC0 RXD1",
+ "P9 GMAC0 RXD2", "R9 GMAC0 RXD3",
+ "R11 GMAC1 RXD0", "P11 GMAC1 RXD1",
+ "V12 GMAC1 RXD2", "U12 GMAC1 RXD3",
+ "R10 GMAC1 TXD0", "T10 GMAC1 TXD1",
+ "U10 GMAC1 TXD2", "V10 GMAC1 TXD3";
+ skew-delay = <7>;
+ };
+ conf6 {
+ pins = "U7 GMAC0 TXD0", "T7 GMAC0 TXD1",
+ "R7 GMAC0 TXD2", "P7 GMAC0 TXD3";
+ skew-delay = <5>;
+ };
+ /* Set up drive strength on GMAC0 to 16 mA */
+ conf7 {
+ groups = "gmii_gmac0_grp";
+ drive-strength = <16>;
+ };
+ };
+ };
+ };
+
+ 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>;
+ };
+ ethernet-port@1 {
+ /* Not used in this platform */
+ };
+ };
+
+ ide@63000000 {
+ status = "okay";
+ };
+
+ ide@63400000 {
+ status = "okay";
+ };
+
+ usb@68000000 {
+ status = "okay";
+ };
+
+ usb@69000000 {
+ status = "okay";
+ };
+ };
+};