1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Device Tree file for Exegin Q5xR5 board
4 *
5 * Copyright (C) 2014 Owen Kirby <osk@exegin.com>
6 */
7
8 /dts-v1/;
9 #include "at91sam9g20.dtsi"
10
11 / {
12 model = "Exegin Q5x (rev5)";
13 compatible = "exegin,q5xr5", "atmel,at91sam9g20", "atmel,at91sam9";
14
15 chosen {
16 bootargs = "console=ttyS0,115200 rootfstype=squashfs,jffs2";
17 };
18
19 memory {
20 reg = <0x20000000 0x0>;
21 };
22
23 clocks {
24 #address-cells = <1>;
25 #size-cells = <1>;
26 ranges;
27
28 main_clock: clock@0 {
29 compatible = "atmel,osc", "fixed-clock";
30 clock-frequency = <18432000>;
31 };
32
33 slow_xtal {
34 clock-frequency = <32768>;
35 };
36
37 main_xtal {
38 clock-frequency = <18432000>;
39 };
40 };
41 };
42
43 &dbgu {
44 status = "okay";
45 };
46
47 &ebi {
48 status = "okay";
49
50 flash: flash@0 {
51 compatible = "cfi-flash";
52 #address-cells = <1>;
53 #size-cells = <1>;
54 reg = <0x0 0x1000000 0x800000>;
55 bank-width = <2>;
56
57 partitions {
58 compatible = "fixed-partitions";
59 #address-cells = <1>;
60 #size-cells = <1>;
61
62 kernel@0 {
63 label = "kernel";
64 reg = <0x0 0x200000>;
65 };
66
67 rootfs@200000 {
68 label = "rootfs";
69 reg = <0x200000 0x600000>;
70 };
71 };
72 };
73 };
74
75 &macb0 {
76 phy-mode = "mii";
77 status = "okay";
78 };
79
80 &pinctrl {
81 board {
82 pinctrl_pck0_as_mck: pck0_as_mck {
83 atmel,pins = <AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;
84 };
85 };
86
87 spi0 {
88 pinctrl_spi0: spi0-0 {
89 atmel,pins =
90 <AT91_PIOA 0 AT91_PERIPH_A AT91_PINCTRL_NONE
91 AT91_PIOA 1 AT91_PERIPH_A AT91_PINCTRL_NONE
92 AT91_PIOA 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
93 };
94
95 pinctrl_spi0_npcs0: spi0_npcs0 {
96 atmel,pins = <AT91_PIOA 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
97 };
98
99 pinctrl_spi0_npcs1: spi0_npcs1 {
100 atmel,pins = <AT91_PIOC 11 AT91_PERIPH_B AT91_PINCTRL_NONE>;
101 };
102 };
103
104 spi1 {
105 pinctrl_spi1: spi1-0 {
106 atmel,pins =
107 <AT91_PIOB 0 AT91_PERIPH_A AT91_PINCTRL_NONE
108 AT91_PIOB 1 AT91_PERIPH_A AT91_PINCTRL_NONE
109 AT91_PIOB 2 AT91_PERIPH_A AT91_PINCTRL_NONE>;
110 };
111
112 pinctrl_spi1_npcs0: spi1_npcs0 {
113 atmel,pins = <AT91_PIOB 3 AT91_PERIPH_A AT91_PINCTRL_NONE>;
114 };
115
116 pinctrl_spi1_npcs1: spi1_npcs1 {
117 atmel,pins = <AT91_PIOC 5 AT91_PERIPH_B AT91_PINCTRL_NONE>;
118 };
119 };
120 };
121
122 &spi0 {
123 pinctrl-names = "default";
124 pinctrl-0 = <&pinctrl_spi0 &pinctrl_spi0_npcs0 &pinctrl_spi0_npcs1>;
125 cs-gpios = <&pioA 3 GPIO_ACTIVE_HIGH>, <&pioC 11 GPIO_ACTIVE_LOW>, <0>, <0>;
126 status = "okay";
127
128 flash@0 {
129 compatible = "jedec,spi-nor";
130 spi-max-frequency = <20000000>;
131 reg = <0>;
132 #address-cells = <1>;
133 #size-cells = <1>;
134
135 at91boot@0 {
136 label = "at91boot";
137 reg = <0x0 0x4000>;
138 };
139
140 uenv@4000 {
141 label = "uboot-env";
142 reg = <0x4000 0x4000>;
143 };
144
145 uboot@8000 {
146 label = "uboot";
147 reg = <0x8000 0x3E000>;
148 };
149 };
150 };
151
152 &spi1 {
153 pinctrl-names = "default";
154 pinctrl-0 = <&pinctrl_spi1 &pinctrl_spi1_npcs0 &pinctrl_spi1_npcs1>;
155 cs-gpios = <&pioB 3 GPIO_ACTIVE_HIGH>, <&pioC 5 GPIO_ACTIVE_LOW>, <0>, <0>;
156 status = "okay";
157 };
158
159 &usart0 {
160 pinctrl-0 =
161 <&pinctrl_usart0
162 &pinctrl_usart0_rts
163 &pinctrl_usart0_cts
164 &pinctrl_usart0_dtr_dsr
165 &pinctrl_usart0_dcd
166 &pinctrl_usart0_ri>;
167 status = "okay";
168 };
169
170 &usb0 {
171 num-ports = <2>;
172 status = "okay";
173 };
174
175 &usb1 {
176 status = "okay";
177 };
178
179 &watchdog {
180 status = "okay";
181 };
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