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0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Device Tree file for the Gemini-based Raidsonic NAS IB-4220-B
0004 */
0005
0006 /dts-v1/;
0007
0008 #include "gemini.dtsi"
0009 #include <dt-bindings/input/input.h>
0010
0011 / {
0012 model = "Raidsonic NAS IB-4220-B";
0013 compatible = "raidsonic,ib-4220-b", "cortina,gemini";
0014 #address-cells = <1>;
0015 #size-cells = <1>;
0016
0017 memory@0 { /* 128 MB */
0018 device_type = "memory";
0019 reg = <0x00000000 0x8000000>;
0020 };
0021
0022 chosen {
0023 bootargs = "console=ttyS0,19200n8 root=/dev/mtdblock3 rw rootfstype=squashfs,jffs2 rootwait";
0024 stdout-path = &uart0;
0025 };
0026
0027 gpio_keys {
0028 compatible = "gpio-keys";
0029
0030 button-setup {
0031 debounce-interval = <100>;
0032 wakeup-source;
0033 linux,code = <KEY_SETUP>;
0034 label = "Backup button";
0035 /* Conflict with TVC */
0036 gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
0037 };
0038 button-restart {
0039 debounce-interval = <100>;
0040 wakeup-source;
0041 linux,code = <KEY_RESTART>;
0042 label = "Softreset button";
0043 /* Conflict with TVC */
0044 gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
0045 };
0046 };
0047
0048 leds {
0049 compatible = "gpio-leds";
0050 led-orange-hdd {
0051 label = "nas4220b:orange:hdd";
0052 /* Conflict with TVC */
0053 gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
0054 default-state = "on";
0055 };
0056 led-green-os {
0057 label = "nas4220b:green:os";
0058 /* Conflict with TVC */
0059 gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
0060 default-state = "on";
0061 linux,default-trigger = "heartbeat";
0062 };
0063 };
0064
0065 mdio0: mdio {
0066 compatible = "virtual,mdio-gpio";
0067 gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
0068 <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
0069 #address-cells = <1>;
0070 #size-cells = <0>;
0071
0072 phy0: ethernet-phy@1 {
0073 reg = <1>;
0074 device_type = "ethernet-phy";
0075 };
0076 };
0077
0078 soc {
0079 flash@30000000 {
0080 status = "okay";
0081 /* 16MB of flash */
0082 reg = <0x30000000 0x01000000>;
0083
0084 partitions {
0085 compatible = "redboot-fis";
0086 /* Eraseblock at 0xfe0000 */
0087 fis-index-block = <0x7f>;
0088 };
0089 };
0090
0091 syscon: syscon@40000000 {
0092 pinctrl {
0093 /*
0094 * gpio1dgrp cover line 28-31 otherwise used
0095 * by TVC.
0096 */
0097 gpio1_default_pins: pinctrl-gpio1 {
0098 mux {
0099 function = "gpio1";
0100 groups = "gpio1dgrp";
0101 };
0102 };
0103 pinctrl-gmii {
0104 mux {
0105 function = "gmii";
0106 groups = "gmii_gmac0_grp";
0107 };
0108 /* Settings come from OpenWRT, pins on SL3516 */
0109 conf0 {
0110 pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV";
0111 skew-delay = <0>;
0112 };
0113 conf1 {
0114 pins = "Y7 GMAC0 RXC", "Y11 GMAC1 RXC";
0115 skew-delay = <15>;
0116 };
0117 conf2 {
0118 pins = "T8 GMAC0 TXEN", "W11 GMAC1 TXEN";
0119 skew-delay = <7>;
0120 };
0121 conf3 {
0122 pins = "U8 GMAC0 TXC";
0123 skew-delay = <11>;
0124 };
0125 conf4 {
0126 pins = "V11 GMAC1 TXC";
0127 skew-delay = <10>;
0128 };
0129 conf5 {
0130 /* The data lines all have default skew */
0131 pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
0132 "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
0133 "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
0134 "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
0135 "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
0136 "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
0137 "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
0138 "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
0139 skew-delay = <7>;
0140 };
0141 /* Set up drive strength on GMAC0 to 16 mA */
0142 conf6 {
0143 groups = "gmii_gmac0_grp";
0144 drive-strength = <16>;
0145 };
0146 };
0147 };
0148 };
0149
0150 sata: sata@46000000 {
0151 cortina,gemini-ata-muxmode = <0>;
0152 cortina,gemini-enable-sata-bridge;
0153 status = "okay";
0154 };
0155
0156 gpio1: gpio@4e000000 {
0157 pinctrl-names = "default";
0158 pinctrl-0 = <&gpio1_default_pins>;
0159 };
0160
0161 ethernet@60000000 {
0162 status = "okay";
0163
0164 ethernet-port@0 {
0165 phy-mode = "rgmii";
0166 phy-handle = <&phy0>;
0167 };
0168 ethernet-port@1 {
0169 /* Not used in this platform */
0170 };
0171 };
0172
0173 ide@63000000 {
0174 status = "okay";
0175 };
0176
0177 ide@63400000 {
0178 status = "okay";
0179 };
0180
0181 usb@68000000 {
0182 status = "okay";
0183 };
0184
0185 usb@69000000 {
0186 status = "okay";
0187 };
0188 };
0189 };
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