1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Device Tree file for the Gemini-based Raidsonic NAS IB-4220-B
  4 */
  5
  6/dts-v1/;
  7
  8#include "gemini.dtsi"
  9#include <dt-bindings/input/input.h>
 10
 11/ {
 12	model = "Raidsonic NAS IB-4220-B";
 13	compatible = "raidsonic,ib-4220-b", "cortina,gemini";
 14	#address-cells = <1>;
 15	#size-cells = <1>;
 16
 17	memory { /* 128 MB */
 18		device_type = "memory";
 19		reg = <0x00000000 0x8000000>;
 20	};
 21
 22	chosen {
 23		bootargs = "console=ttyS0,19200n8";
 24		stdout-path = &uart0;
 25	};
 26
 27	gpio_keys {
 28		compatible = "gpio-keys";
 29		#address-cells = <1>;
 30		#size-cells = <0>;
 31
 32		button@29 {
 33			debounce_interval = <50>;
 34			wakeup-source;
 35			linux,code = <KEY_SETUP>;
 36			label = "Backup button";
 37			/* Conflict with TVC */
 38			gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
 39		};
 40		button@31 {
 41			debounce_interval = <50>;
 42			wakeup-source;
 43			linux,code = <KEY_RESTART>;
 44			label = "Softreset button";
 45			/* Conflict with TVC */
 46			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
 47		};
 48	};
 49
 50	leds {
 51		compatible = "gpio-leds";
 52		led@28 {
 53			label = "nas4220b:orange:hdd";
 54			/* Conflict with TVC */
 55			gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
 56			default-state = "on";
 57		};
 58		led@30 {
 59			label = "nas4220b:green:os";
 60			/* Conflict with TVC */
 61			gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
 62			default-state = "on";
 63			linux,default-trigger = "heartbeat";
 64		};
 65	};
 66
 67	mdio0: ethernet-phy {
 68		compatible = "virtual,mdio-gpio";
 69		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
 70			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
 71		#address-cells = <1>;
 72		#size-cells = <0>;
 73
 74		phy0: ethernet-phy@1 {
 75			reg = <1>;
 76			device_type = "ethernet-phy";
 77		};
 78	};
 79
 80	soc {
 81		flash@30000000 {
 82			status = "okay";
 83			/* 16MB of flash */
 84			reg = <0x30000000 0x01000000>;
 85
 86			partition@0 {
 87				label = "RedBoot";
 88				reg = <0x00000000 0x00020000>;
 89				read-only;
 90			};
 91			partition@20000 {
 92				label = "Kernel";
 93				reg = <0x00020000 0x00300000>;
 94			};
 95			partition@320000 {
 96				label = "Ramdisk";
 97				reg = <0x00320000 0x00600000>;
 98			};
 99			partition@920000 {
100				label = "Application";
101				reg = <0x00920000 0x00600000>;
102			};
103			partition@f20000 {
104				label = "VCTL";
105				reg = <0x00f20000 0x00020000>;
106				read-only;
107			};
108			partition@f40000 {
109				label = "CurConf";
110				reg = <0x00f40000 0x000a0000>;
111				read-only;
112			};
113			partition@fe0000 {
114				label = "FIS directory";
115				reg = <0x00fe0000 0x00020000>;
116				read-only;
117			};
118		};
119
120		syscon: syscon@40000000 {
121			pinctrl {
122				/*
123				 * gpio1dgrp cover line 28-31 otherwise used
124				 * by TVC.
125				 */
126				gpio1_default_pins: pinctrl-gpio1 {
127					mux {
128						function = "gpio1";
129						groups = "gpio1dgrp";
130					};
131				};
132				pinctrl-gmii {
133					mux {
134						function = "gmii";
135						groups = "gmii_gmac0_grp";
136					};
137					/* Settings come from OpenWRT, pins on SL3516 */
138					conf0 {
139						pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV";
140						skew-delay = <0>;
141					};
142					conf1 {
143						pins = "Y7 GMAC0 RXC", "Y11 GMAC1 RXC";
144						skew-delay = <15>;
145					};
146					conf2 {
147						pins = "T8 GMAC0 TXEN", "W11 GMAC1 TXEN";
148						skew-delay = <7>;
149					};
150					conf3 {
151						pins = "U8 GMAC0 TXC";
152						skew-delay = <11>;
153					};
154					conf4 {
155						pins = "V11 GMAC1 TXC";
156						skew-delay = <10>;
157					};
158					conf5 {
159						/* The data lines all have default skew */
160						pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
161						       "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
162						       "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
163						       "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
164						       "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
165						       "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
166						       "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
167						       "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
168						skew-delay = <7>;
169					};
170					/* Set up drive strength on GMAC0 to 16 mA */
171					conf6 {
172						groups = "gmii_gmac0_grp";
173						drive-strength = <16>;
174					};
175				};
176			};
177		};
178
179		sata: sata@46000000 {
180			cortina,gemini-ata-muxmode = <0>;
181			cortina,gemini-enable-sata-bridge;
182			status = "okay";
183		};
184
185		gpio1: gpio@4e000000 {
186			pinctrl-names = "default";
187			pinctrl-0 = <&gpio1_default_pins>;
188		};
189
190		ethernet@60000000 {
191			status = "okay";
192
193			ethernet-port@0 {
194				phy-mode = "rgmii";
195				phy-handle = <&phy0>;
196			};
197			ethernet-port@1 {
198				/* Not used in this platform */
199			};
200		};
201
202		ata@63000000 {
203			status = "okay";
204		};
205	};
206};