1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3
4 /include/ "danube.dtsi"
5
6 / {
7 chosen {
8 bootargs = "console=ttyLTQ0,115200 init=/etc/preinit";
9 };
10
11 memory@0 {
12 device_type = "memory";
13 reg = <0x0 0x2000000>;
14 };
15
16 fpi@10000000 {
17 #address-cells = <1>;
18 #size-cells = <1>;
19 localbus@0 {
20 #address-cells = <2>;
21 #size-cells = <1>;
22 ranges = <0 0 0x0 0x3ffffff /* addrsel0 */
23 1 0 0x4000000 0x4000010>; /* addsel1 */
24 compatible = "lantiq,localbus", "simple-bus";
25
26 nor-boot@0 {
27 compatible = "lantiq,nor";
28 bank-width = <2>;
29 reg = <0 0x0 0x2000000>;
30 #address-cells = <1>;
31 #size-cells = <1>;
32
33 partition@0 {
34 label = "uboot";
35 reg = <0x00000 0x10000>; /* 64 KB */
36 };
37
38 partition@10000 {
39 label = "uboot_env";
40 reg = <0x10000 0x10000>; /* 64 KB */
41 };
42
43 partition@20000 {
44 label = "linux";
45 reg = <0x20000 0x3d0000>;
46 };
47
48 partition@400000 {
49 label = "rootfs";
50 reg = <0x400000 0x400000>;
51 };
52 };
53 };
54
55 gpio: pinmux@e100b10 {
56 compatible = "lantiq,danube-pinctrl";
57 pinctrl-names = "default";
58 pinctrl-0 = <&state_default>;
59
60 #gpio-cells = <2>;
61 gpio-controller;
62 reg = <0xe100b10 0xa0>;
63
64 state_default: pinmux {
65 stp {
66 lantiq,groups = "stp";
67 lantiq,function = "stp";
68 };
69 exin {
70 lantiq,groups = "exin1";
71 lantiq,function = "exin";
72 };
73 pci {
74 lantiq,groups = "gnt1";
75 lantiq,function = "pci";
76 };
77 conf_out {
78 lantiq,pins = "io4", "io5", "io6"; /* stp */
79 lantiq,open-drain;
80 lantiq,pull = <0>;
81 };
82 };
83 };
84
85 etop@e180000 {
86 compatible = "lantiq,etop-xway";
87 reg = <0xe180000 0x40000>;
88 interrupt-parent = <&icu0>;
89 interrupts = <73 78>;
90 phy-mode = "rmii";
91 mac-address = [ 00 11 22 33 44 55 ];
92 };
93
94 stp0: stp@e100bb0 {
95 #gpio-cells = <2>;
96 compatible = "lantiq,gpio-stp-xway";
97 gpio-controller;
98 reg = <0xe100bb0 0x40>;
99
100 lantiq,shadow = <0xfff>;
101 lantiq,groups = <0x3>;
102 };
103
104 pci@e105400 {
105 lantiq,bus-clock = <33333333>;
106 interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
107 interrupt-map = <
108 0x7000 0 0 1 &icu0 29 1 // slot 14, irq 29
109 >;
110 gpios-reset = <&gpio 21 0>;
111 req-mask = <0x1>; /* GNT1 */
112 };
113
114 };
115 };
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