1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Device Tree file for Technologic Systems ts7250 board based on Cirrus EP9302 SoC
4 */
5 /dts-v1/;
6 #include "ep93xx.dtsi"
7
8 / {
9 compatible = "technologic,ts7250", "cirrus,ep9301";
10 model = "TS-7250 SBC";
11 #address-cells = <1>;
12 #size-cells = <1>;
13
14 chosen {
15 };
16
17 memory@0 {
18 device_type = "memory";
19 /* should be set from ATAGS */
20 reg = <0x00000000 0x02000000>,
21 <0x000530c0 0x01fdd000>;
22 };
23
24 leds {
25 compatible = "gpio-leds";
26 led-0 {
27 label = "grled";
28 gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
29 linux,default-trigger = "heartbeat";
30 function = LED_FUNCTION_HEARTBEAT;
31 };
32
33 led-1 {
34 label = "rdled";
35 gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
36 function = LED_FUNCTION_FAULT;
37 };
38 };
39 };
40
41 &ebi {
42 nand-controller@60000000 {
43 compatible = "technologic,ts7200-nand";
44 reg = <0x60000000 0x8000000>;
45 #address-cells = <1>;
46 #size-cells = <0>;
47
48 nand@0 {
49 reg = <0>;
50 partitions {
51 compatible = "fixed-partitions";
52 #address-cells = <1>;
53 #size-cells = <1>;
54
55 partition@0 {
56 label = "TS-BOOTROM";
57 reg = <0x00000000 0x00020000>;
58 read-only;
59 };
60
61 partition@20000 {
62 label = "Linux";
63 reg = <0x00020000 0x07d00000>;
64 };
65
66 partition@7d20000 {
67 label = "RedBoot";
68 reg = <0x07d20000 0x002e0000>;
69 read-only;
70 };
71 };
72 };
73 };
74
75 rtc@10800000 {
76 compatible = "st,m48t86";
77 reg = <0x10800000 0x1>,
78 <0x11700000 0x1>;
79 };
80
81 watchdog@23800000 {
82 compatible = "technologic,ts7200-wdt";
83 reg = <0x23800000 0x01>,
84 <0x23c00000 0x01>;
85 timeout-sec = <30>;
86 };
87 };
88
89 ð0 {
90 phy-handle = <&phy0>;
91 };
92
93 &gpio1 {
94 /* PWM */
95 gpio-ranges = <&syscon 6 163 1>;
96 };
97
98 /* ts7250 doesn't have GPIO Port D present */
99 &gpio3 {
100 status = "disabled";
101 };
102
103 &gpio4 {
104 gpio-ranges = <&syscon 0 97 2>;
105 };
106
107 &gpio6 {
108 gpio-ranges = <&syscon 0 87 2>;
109 };
110
111 &gpio7 {
112 gpio-ranges = <&syscon 2 199 4>;
113 };
114
115 &spi0 {
116 cs-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
117 dmas = <&dma1 10 2>, <&dma1 10 1>;
118 dma-names = "rx", "tx";
119 status = "okay";
120
121 tmp122: temperature-sensor@0 {
122 compatible = "ti,tmp122";
123 reg = <0>;
124 spi-max-frequency = <2000000>;
125 };
126 };
127
128 &mdio0 {
129 phy0: ethernet-phy@1 {
130 reg = <1>;
131 device_type = "ethernet-phy";
132 };
133 };
134
135 &uart0 {
136 status = "okay";
137 };
138
139 &uart1 {
140 status = "okay";
141 };
142
143 &usb0 {
144 status = "okay";
145 };
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