ARM: at91: add ram controller DT support
[cascardo/linux.git] / arch / arm / boot / dts / at91sam9g20.dtsi
1 /*
2  * at91sam9g20.dtsi - Device Tree Include file for AT91SAM9G20 family SoC
3  *
4  *  Copyright (C) 2011 Atmel,
5  *                2011 Nicolas Ferre <nicolas.ferre@atmel.com>,
6  *                2011 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
7  *
8  * Licensed under GPLv2 or later.
9  */
10
11 /include/ "skeleton.dtsi"
12
13 / {
14         model = "Atmel AT91SAM9G20 family SoC";
15         compatible = "atmel,at91sam9g20";
16         interrupt-parent = <&aic>;
17
18         aliases {
19                 serial0 = &dbgu;
20                 serial1 = &usart0;
21                 serial2 = &usart1;
22                 serial3 = &usart2;
23                 serial4 = &usart3;
24                 serial5 = &usart4;
25                 serial6 = &usart5;
26                 gpio0 = &pioA;
27                 gpio1 = &pioB;
28                 gpio2 = &pioC;
29                 tcb0 = &tcb0;
30                 tcb1 = &tcb1;
31         };
32         cpus {
33                 cpu@0 {
34                         compatible = "arm,arm926ejs";
35                 };
36         };
37
38         memory@20000000 {
39                 reg = <0x20000000 0x08000000>;
40         };
41
42         ahb {
43                 compatible = "simple-bus";
44                 #address-cells = <1>;
45                 #size-cells = <1>;
46                 ranges;
47
48                 apb {
49                         compatible = "simple-bus";
50                         #address-cells = <1>;
51                         #size-cells = <1>;
52                         ranges;
53
54                         aic: interrupt-controller@fffff000 {
55                                 #interrupt-cells = <2>;
56                                 compatible = "atmel,at91rm9200-aic";
57                                 interrupt-controller;
58                                 interrupt-parent;
59                                 reg = <0xfffff000 0x200>;
60                         };
61
62                         ramc0: ramc@ffffea00 {
63                                 compatible = "atmel,at91sam9260-sdramc";
64                                 reg = <0xffffea00 0x200>;
65                         };
66
67                         pmc: pmc@fffffc00 {
68                                 compatible = "atmel,at91rm9200-pmc";
69                                 reg = <0xfffffc00 0x100>;
70                         };
71
72                         rstc@fffffd00 {
73                                 compatible = "atmel,at91sam9260-rstc";
74                                 reg = <0xfffffd00 0x10>;
75                         };
76
77                         pit: timer@fffffd30 {
78                                 compatible = "atmel,at91sam9260-pit";
79                                 reg = <0xfffffd30 0xf>;
80                                 interrupts = <1 4>;
81                         };
82
83                         tcb0: timer@fffa0000 {
84                                 compatible = "atmel,at91rm9200-tcb";
85                                 reg = <0xfffa0000 0x100>;
86                                 interrupts = <17 4 18 4 19 4>;
87                         };
88
89                         tcb1: timer@fffdc000 {
90                                 compatible = "atmel,at91rm9200-tcb";
91                                 reg = <0xfffdc000 0x100>;
92                                 interrupts = <26 4 27 4 28 4>;
93                         };
94
95                         pioA: gpio@fffff400 {
96                                 compatible = "atmel,at91rm9200-gpio";
97                                 reg = <0xfffff400 0x100>;
98                                 interrupts = <2 4>;
99                                 #gpio-cells = <2>;
100                                 gpio-controller;
101                                 interrupt-controller;
102                         };
103
104                         pioB: gpio@fffff600 {
105                                 compatible = "atmel,at91rm9200-gpio";
106                                 reg = <0xfffff600 0x100>;
107                                 interrupts = <3 4>;
108                                 #gpio-cells = <2>;
109                                 gpio-controller;
110                                 interrupt-controller;
111                         };
112
113                         pioC: gpio@fffff800 {
114                                 compatible = "atmel,at91rm9200-gpio";
115                                 reg = <0xfffff800 0x100>;
116                                 interrupts = <4 4>;
117                                 #gpio-cells = <2>;
118                                 gpio-controller;
119                                 interrupt-controller;
120                         };
121
122                         dbgu: serial@fffff200 {
123                                 compatible = "atmel,at91sam9260-usart";
124                                 reg = <0xfffff200 0x200>;
125                                 interrupts = <1 4>;
126                                 status = "disabled";
127                         };
128
129                         usart0: serial@fffb0000 {
130                                 compatible = "atmel,at91sam9260-usart";
131                                 reg = <0xfffb0000 0x200>;
132                                 interrupts = <6 4>;
133                                 atmel,use-dma-rx;
134                                 atmel,use-dma-tx;
135                                 status = "disabled";
136                         };
137
138                         usart1: serial@fffb4000 {
139                                 compatible = "atmel,at91sam9260-usart";
140                                 reg = <0xfffb4000 0x200>;
141                                 interrupts = <7 4>;
142                                 atmel,use-dma-rx;
143                                 atmel,use-dma-tx;
144                                 status = "disabled";
145                         };
146
147                         usart2: serial@fffb8000 {
148                                 compatible = "atmel,at91sam9260-usart";
149                                 reg = <0xfffb8000 0x200>;
150                                 interrupts = <8 4>;
151                                 atmel,use-dma-rx;
152                                 atmel,use-dma-tx;
153                                 status = "disabled";
154                         };
155
156                         usart3: serial@fffd0000 {
157                                 compatible = "atmel,at91sam9260-usart";
158                                 reg = <0xfffd0000 0x200>;
159                                 interrupts = <23 4>;
160                                 atmel,use-dma-rx;
161                                 atmel,use-dma-tx;
162                                 status = "disabled";
163                         };
164
165                         usart4: serial@fffd4000 {
166                                 compatible = "atmel,at91sam9260-usart";
167                                 reg = <0xfffd4000 0x200>;
168                                 interrupts = <24 4>;
169                                 atmel,use-dma-rx;
170                                 atmel,use-dma-tx;
171                                 status = "disabled";
172                         };
173
174                         usart5: serial@fffd8000 {
175                                 compatible = "atmel,at91sam9260-usart";
176                                 reg = <0xfffd8000 0x200>;
177                                 interrupts = <25 4>;
178                                 atmel,use-dma-rx;
179                                 atmel,use-dma-tx;
180                                 status = "disabled";
181                         };
182
183                         macb0: ethernet@fffc4000 {
184                                 compatible = "cdns,at32ap7000-macb", "cdns,macb";
185                                 reg = <0xfffc4000 0x100>;
186                                 interrupts = <21 4>;
187                                 status = "disabled";
188                         };
189                 };
190
191                 nand0: nand@40000000 {
192                         compatible = "atmel,at91rm9200-nand";
193                         #address-cells = <1>;
194                         #size-cells = <1>;
195                         reg = <0x40000000 0x10000000
196                                0xffffe800 0x200
197                               >;
198                         atmel,nand-addr-offset = <21>;
199                         atmel,nand-cmd-offset = <22>;
200                         gpios = <&pioC 13 0
201                                  &pioC 14 0
202                                  0
203                                 >;
204                         status = "disabled";
205                 };
206         };
207
208         i2c@0 {
209                 compatible = "i2c-gpio";
210                 gpios = <&pioA 23 0 /* sda */
211                          &pioA 24 0 /* scl */
212                         >;
213                 i2c-gpio,sda-open-drain;
214                 i2c-gpio,scl-open-drain;
215                 i2c-gpio,delay-us = <2>;        /* ~100 kHz */
216                 #address-cells = <1>;
217                 #size-cells = <0>;
218                 status = "disabled";
219         };
220 };