1 // SPDX-License-Identifier: ISC
2 /*
3 * Device Tree file for Iomega NAS 100D
4 */
5
6 /dts-v1/;
7
8 #include "intel-ixp42x.dtsi"
9 #include <dt-bindings/input/input.h>
10
11 / {
12 model = "Iomega NAS 100D";
13 compatible = "iom,nas-100d", "intel,ixp42x";
14 #address-cells = <1>;
15 #size-cells = <1>;
16
17 memory@0 {
18 /* 64 MB SDRAM */
19 device_type = "memory";
20 reg = <0x00000000 0x4000000>;
21 };
22
23 chosen {
24 bootargs = "console=ttyS0,115200n8 root=/dev/sda1 rw rootwait";
25 stdout-path = "uart0:115200n8";
26 };
27
28 aliases {
29 serial0 = &uart0;
30 };
31
32 leds {
33 compatible = "gpio-leds";
34 led-wlan {
35 label = "nas100d:red:wlan";
36 gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
37 default-state = "on";
38 /* We don't have WLAN trigger in the kernel (yet) */
39 linux,default-trigger = "netdev";
40 };
41 led-disk {
42 label = "nas100d:red:disk";
43 gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>;
44 default-state = "on";
45 linux,default-trigger = "disk-activity";
46 };
47 led-power {
48 label = "nas100d:red:power";
49 gpios = <&gpio0 15 GPIO_ACTIVE_LOW>;
50 default-state = "on";
51 linux,default-trigger = "heartbeat";
52 };
53 };
54
55 gpio_keys {
56 compatible = "gpio-keys";
57
58 button-power {
59 wakeup-source;
60 linux,code = <KEY_POWER>;
61 label = "power";
62 gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
63 };
64 button-reset {
65 wakeup-source;
66 linux,code = <KEY_RESTART>;
67 label = "reset";
68 gpios = <&gpio0 4 GPIO_ACTIVE_LOW>;
69 };
70 };
71
72 i2c {
73 compatible = "i2c-gpio";
74 sda-gpios = <&gpio0 5 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
75 scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
76 #address-cells = <1>;
77 #size-cells = <0>;
78
79 rtc@51 {
80 compatible = "nxp,pcf8563";
81 reg = <0x51>;
82 };
83 };
84
85 gpio-poweroff {
86 compatible = "gpio-poweroff";
87 gpios = <&gpio0 12 GPIO_ACTIVE_HIGH>;
88 timeout-ms = <5000>;
89 };
90
91 soc {
92 bus@c4000000 {
93 /* The first 16MB region at CS0 on the expansion bus */
94 flash@0,0 {
95 compatible = "intel,ixp4xx-flash", "cfi-flash";
96 bank-width = <2>;
97 /*
98 * 8 MB of Flash in 0x20000 byte blocks
99 * mapped in at CS0.
100 */
101 reg = <0 0x00000000 0x800000>;
102
103 partitions {
104 compatible = "redboot-fis";
105 /* Eraseblock at 0x7e0000 */
106 fis-index-block = <0x3f>;
107 };
108 };
109 };
110
111 pci@c0000000 {
112 status = "okay";
113
114 /*
115 * Taken from NAS 100D PCI boardfile (nas100d-pci.c)
116 * We have slots (IDSEL) 1, 2 and 3 and pins 1, 2 and 3.
117 */
118 #interrupt-cells = <1>;
119 interrupt-map-mask = <0xf800 0 0 7>;
120 interrupt-map =
121 /* IDSEL 1 */
122 <0x0800 0 0 1 &gpio0 11 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 11 */
123 /* IDSEL 2 */
124 <0x1000 0 0 1 &gpio0 10 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 10 */
125 /* IDSEL 3 */
126 <0x1800 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 3 is irq 9 */
127 <0x1800 0 0 2 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 3 is irq 8 */
128 <0x1800 0 0 3 &gpio0 7 IRQ_TYPE_LEVEL_LOW>; /* INT C on slot 3 is irq 7 */
129 };
130
131 ethernet@c8009000 {
132 status = "okay";
133 queue-rx = <&qmgr 3>;
134 queue-txready = <&qmgr 20>;
135 phy-mode = "rgmii";
136 phy-handle = <&phy0>;
137
138 mdio {
139 #address-cells = <1>;
140 #size-cells = <0>;
141
142 phy0: ethernet-phy@0 {
143 reg = <0>;
144 };
145 };
146 };
147 };
148 };
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