GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / boot / dts / at91-ariag25.dts
1 /*
2  * at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
3  *
4  * Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,
5  *                    Robert Nelson <robertcnelson@gmail.com>
6  *
7  * Licensed under GPLv2 or later.
8  */
9 /dts-v1/;
10 #include "at91sam9g25.dtsi"
11
12 / {
13         model = "Acme Systems Aria G25";
14         compatible = "acme,ariag25", "atmel,at91sam9x5ek",
15                      "atmel,at91sam9x5", "atmel,at91sam9";
16
17         aliases {
18                 serial0 = &dbgu;
19                 serial1 = &usart0;
20                 serial2 = &usart1;
21                 serial3 = &usart2;
22                 serial4 = &usart3;
23                 serial5 = &uart0;
24                 serial6 = &uart1;
25         };
26
27         chosen {
28                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
29         };
30
31         memory {
32                 /* 128 MB, change this for 256 MB revision */
33                 reg = <0x20000000 0x8000000>;
34         };
35
36         clocks {
37                 slow_xtal {
38                         clock-frequency = <32768>;
39                 };
40
41                 main_xtal {
42                         clock-frequency = <12000000>;
43                 };
44         };
45
46         ahb {
47                 apb {
48                         mmc0: mmc@f0008000 {
49                                 /* N.B. Aria has no SD card detect (CD), assumed present */
50
51                                 pinctrl-0 = <
52                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
53                                         &pinctrl_mmc0_slot0_dat1_3>;
54                                 status = "okay";
55                                 slot@0 {
56                                         reg = <0>;
57                                         bus-width = <4>;
58                                 };
59                         };
60
61                         tcb0: timer@f8008000 {
62                                 timer@0 {
63                                         compatible = "atmel,tcb-timer";
64                                         reg = <0>;
65                                 };
66
67                                 timer@1 {
68                                         compatible = "atmel,tcb-timer";
69                                         reg = <1>;
70                                 };
71                         };
72
73                         i2c0: i2c@f8010000 {
74                                 status = "okay";
75                         };
76
77                         i2c1: i2c@f8014000 {
78                                 status = "okay";
79                         };
80
81                         /* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
82
83                         usart0: serial@f801c000 {
84                                 pinctrl-0 = <&pinctrl_usart0
85                                              &pinctrl_usart0_rts
86                                              &pinctrl_usart0_cts>;
87                                 status = "okay";
88                         };
89
90                         usart1: serial@f8020000 {
91                                 pinctrl-0 = <&pinctrl_usart1
92                                              /* &pinctrl_usart1_rts */
93                                              /* &pinctrl_usart1_cts */
94                                             >;
95                                 status = "okay";
96                         };
97
98                         usart2: serial@f8024000 {
99                                 /* cannot activate RTS2+CTS2, clash with
100                                  * ethernet on PB0 and PB1 */
101                                 pinctrl-0 = <&pinctrl_usart2>;
102                                 status = "okay";
103                         };
104
105                         usart3: serial@f8028000 {
106                                 compatible = "atmel,at91sam9260-usart";
107                                 reg = <0xf8028000 0x200>;
108                                 interrupts = <8 4 5>;
109                                 pinctrl-names = "default";
110                                 pinctrl-0 = <&pinctrl_usart3
111                                              /* &pinctrl_usart3_rts */
112                                              /* &pinctrl_usart3_cts */
113                                             >;
114                                 status = "okay";
115                         };
116
117                         macb0: ethernet@f802c000 {
118                                 phy-mode = "rmii";
119                                 /*
120                                  * following can be overwritten by bootloader:
121                                  * for example u-boot 'ftd set' command
122                                  */
123                                 local-mac-address = [00 00 00 00 00 00];
124                                 status = "okay";
125                         };
126
127                         /*
128                          * UART0/1 pins are marked as GPIO on
129                          * Aria documentation.
130                          * Change to "okay" if you need additional serial ports
131                          */
132                         uart0: serial@f8040000 {
133                                 status = "disabled";
134                         };
135
136                         uart1: serial@f8044000 {
137                                 status = "disabled";
138                         };
139
140                         adc0: adc@f804c000 {
141                                 status = "okay";
142                                 atmel,adc-channels-used = <0xf>;
143                         };
144
145                         dbgu: serial@fffff200 {
146                                 status = "okay";
147                         };
148
149                         pinctrl@fffff400 {
150                                 w1_0 {
151                                         pinctrl_w1_0: w1_0-0 {
152                                                 atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
153                                         };
154                                 };
155                         };
156
157                         rtc@fffffeb0 {
158                                 status = "okay";
159                         };
160                 };
161
162                 usb0: ohci@600000 {
163                         status = "okay";
164                         num-ports = <3>;
165                 };
166
167                 usb1: ehci@700000 {
168                         status = "okay";
169                 };
170         };
171
172         leds {
173                 compatible = "gpio-leds";
174
175                 /* little green LED in middle of Aria G25 module */
176                 aria_led {
177                         label = "aria_led";
178                         gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */
179                         linux,default-trigger = "heartbeat";
180                 };
181
182         };
183
184         onewire {
185                 compatible = "w1-gpio";
186                 gpios = <&pioA 21 GPIO_ACTIVE_LOW>;
187                 pinctrl-names = "default";
188                 pinctrl-0 = <&pinctrl_w1_0>;
189         };
190 };