1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * at91-kizboxmini.dts - Device Tree file for Overkiz Kizbox mini board
4 *
5 * Copyright (C) 2014-2018 Overkiz SAS
6 * Author: Antoine Aubert <a.aubert@overkiz.com>
7 * Gaël Portay <g.portay@overkiz.com>
8 * Kévin Raymond <k.raymond@overkiz.com>
9 * Dorian Rocipon <d.rocipon@overkiz.com>
10 */
11 #include "at91sam9g25.dtsi"
12
13 / {
14 chosen {
15 bootargs = "ubi.mtd=ubi";
16 stdout-path = &dbgu;
17 };
18
19 memory@20000000 {
20 reg = <0x20000000 0x8000000>;
21 };
22
23 clocks {
24 main_xtal {
25 clock-frequency = <12000000>;
26 };
27
28 slow_xtal {
29 clock-frequency = <32768>;
30 };
31
32 adc_op_clk {
33 status = "disabled";
34 };
35 };
36
37 gpio_keys {
38 compatible = "gpio-keys";
39
40 key-prog {
41 label = "PB_PROG";
42 gpios = <&pioC 17 GPIO_ACTIVE_LOW>;
43 linux,code = <0x102>;
44 wakeup-source;
45 };
46
47 key-reset {
48 label = "PB_RST";
49 gpios = <&pioC 16 GPIO_ACTIVE_LOW>;
50 linux,code = <0x100>;
51 wakeup-source;
52 };
53 };
54
55 leds: led-controller-1 {
56 compatible = "pwm-leds";
57
58 led_blue: led-1 {
59 label = "pwm:blue:user";
60 pwms = <&pwm0 2 10000000 0>;
61 max-brightness = <255>;
62 linux,default-trigger = "none";
63 status = "disabled";
64 };
65
66 led_green: led-2 {
67 label = "pwm:green:user";
68 pwms = <&pwm0 0 10000000 0>;
69 max-brightness = <255>;
70 linux,default-trigger = "default-on";
71 };
72
73 led_red: led-3 {
74 label = "pwm:red:user";
75 pwms = <&pwm0 1 10000000 0>;
76 max-brightness = <255>;
77 linux,default-trigger = "default-on";
78 };
79 };
80 };
81
82 &usart0 {
83 atmel,use-dma-rx;
84 atmel,use-dma-tx;
85 status = "okay";
86 };
87
88 &macb0 {
89 phy-mode = "rmii";
90 status = "okay";
91 };
92
93 &pwm0 {
94 pinctrl-names = "default";
95 pinctrl-0 = <&pinctrl_pwm0_pwm0_1
96 &pinctrl_pwm0_pwm1_1
97 &pinctrl_pwm0_pwm2_1>;
98 status = "okay";
99 };
100
101 &dbgu {
102 status = "okay";
103 };
104
105 &watchdog {
106 status = "okay";
107 };
108
109 &adc0 {
110 status = "disabled";
111 };
112
113 &rtc {
114 status = "disabled";
115 };
116
117 &ebi {
118 pinctrl-0 = <&pinctrl_ebi_addr_nand
119 &pinctrl_ebi_data_0_7>;
120 pinctrl-names = "default";
121 status = "okay";
122 };
123
124 &nand_controller {
125 status = "okay";
126 pinctrl-0 = <&pinctrl_nand_oe_we
127 &pinctrl_nand_cs
128 &pinctrl_nand_rb>;
129 pinctrl-names = "default";
130
131 nand@3 {
132 reg = <0x3 0x0 0x800000>;
133 rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
134 cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
135 nand-bus-width = <8>;
136 nand-ecc-mode = "hw";
137 nand-ecc-strength = <4>;
138 nand-ecc-step-size = <512>;
139 nand-on-flash-bbt;
140 label = "atmel_nand";
141
142 partitions {
143 compatible = "fixed-partitions";
144 #address-cells = <1>;
145 #size-cells = <1>;
146
147 bootstrap@0 {
148 label = "bootstrap";
149 reg = <0x0 0x20000>;
150 };
151
152 ubi@20000 {
153 label = "ubi";
154 reg = <0x20000 0x7fe0000>;
155 };
156 };
157 };
158 };
159
160 &usb0 {
161 num-ports = <1>;
162 status = "okay";
163 };
164
165 &usb1 {
166 status = "okay";
167 };
168
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