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@0 { /* 128 MB */
18		device_type = "memory";
19		reg = <0x00000000 0x8000000>;
20	};
21
22	chosen {
23		bootargs = "console=ttyS0,19200n8 root=/dev/mtdblock3 rw rootfstype=squashfs,jffs2 rootwait";
24		stdout-path = &uart0;
25	};
26
27	gpio_keys {
28		compatible = "gpio-keys";
29
30		button-setup {
31			debounce-interval = <100>;
32			wakeup-source;
33			linux,code = <KEY_SETUP>;
34			label = "Backup button";
35			/* Conflict with TVC */
36			gpios = <&gpio1 29 GPIO_ACTIVE_LOW>;
37		};
38		button-restart {
39			debounce-interval = <100>;
40			wakeup-source;
41			linux,code = <KEY_RESTART>;
42			label = "Softreset button";
43			/* Conflict with TVC */
44			gpios = <&gpio1 31 GPIO_ACTIVE_LOW>;
45		};
46	};
47
48	leds {
49		compatible = "gpio-leds";
50		led-orange-hdd {
51			label = "nas4220b:orange:hdd";
52			/* Conflict with TVC */
53			gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
54			default-state = "on";
55		};
56		led-green-os {
57			label = "nas4220b:green:os";
58			/* Conflict with TVC */
59			gpios = <&gpio1 30 GPIO_ACTIVE_HIGH>;
60			default-state = "on";
61			linux,default-trigger = "heartbeat";
62		};
63	};
64
65	mdio0: mdio {
66		compatible = "virtual,mdio-gpio";
67		gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
68			<&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
69		#address-cells = <1>;
70		#size-cells = <0>;
71
72		phy0: ethernet-phy@1 {
73			reg = <1>;
74			device_type = "ethernet-phy";
75		};
76	};
77
78	soc {
79		flash@30000000 {
80			status = "okay";
81			/* 16MB of flash */
82			reg = <0x30000000 0x01000000>;
83
84			partitions {
85				compatible = "redboot-fis";
86				/* Eraseblock at 0xfe0000 */
87				fis-index-block = <0x7f>;
88			};
89		};
90
91		syscon: syscon@40000000 {
92			pinctrl {
93				/*
94				 * gpio1dgrp cover line 28-31 otherwise used
95				 * by TVC.
96				 */
97				gpio1_default_pins: pinctrl-gpio1 {
98					mux {
99						function = "gpio1";
100						groups = "gpio1dgrp";
101					};
102				};
103				pinctrl-gmii {
104					mux {
105						function = "gmii";
106						groups = "gmii_gmac0_grp";
107					};
108					/* Settings come from OpenWRT, pins on SL3516 */
109					conf0 {
110						pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV";
111						skew-delay = <0>;
112					};
113					conf1 {
114						pins = "Y7 GMAC0 RXC", "Y11 GMAC1 RXC";
115						skew-delay = <15>;
116					};
117					conf2 {
118						pins = "T8 GMAC0 TXEN", "W11 GMAC1 TXEN";
119						skew-delay = <7>;
120					};
121					conf3 {
122						pins = "U8 GMAC0 TXC";
123						skew-delay = <11>;
124					};
125					conf4 {
126						pins = "V11 GMAC1 TXC";
127						skew-delay = <10>;
128					};
129					conf5 {
130						/* The data lines all have default skew */
131						pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
132						       "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
133						       "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
134						       "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
135						       "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
136						       "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
137						       "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
138						       "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
139						skew-delay = <7>;
140					};
141					/* Set up drive strength on GMAC0 to 16 mA */
142					conf6 {
143						groups = "gmii_gmac0_grp";
144						drive-strength = <16>;
145					};
146				};
147			};
148		};
149
150		sata: sata@46000000 {
151			cortina,gemini-ata-muxmode = <0>;
152			cortina,gemini-enable-sata-bridge;
153			status = "okay";
154		};
155
156		gpio1: gpio@4e000000 {
157			pinctrl-names = "default";
158			pinctrl-0 = <&gpio1_default_pins>;
159		};
160
161		ethernet@60000000 {
162			status = "okay";
163
164			ethernet-port@0 {
165				phy-mode = "rgmii";
166				phy-handle = <&phy0>;
167			};
168			ethernet-port@1 {
169				/* Not used in this platform */
170			};
171		};
172
173		ide@63000000 {
174			status = "okay";
175		};
176
177		ide@63400000 {
178			status = "okay";
179		};
180
181		usb@68000000 {
182			status = "okay";
183		};
184
185		usb@69000000 {
186			status = "okay";
187		};
188	};
189};
190