GNU Linux-libre 4.19.264-gnu1
[releases.git] / arch / arm / boot / dts / at91-cosino.dtsi
1 /*
2  * at91-cosino.dtsi - Device Tree file for Cosino core module
3  *
4  * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
5  *                      HCE Engineering
6  *
7  * Derived from at91sam9x5ek.dtsi by:
8  *      Copyright (C) 2012 Atmel,
9  *      2012 Nicolas Ferre <nicolas.ferre@atmel.com>
10  *
11  * Licensed under GPLv2 or later.
12  */
13
14 #include "at91sam9g35.dtsi"
15
16 / {
17         model = "HCE Cosino core module";
18         compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";
19
20         chosen {
21                 bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
22         };
23
24         memory {
25                 reg = <0x20000000 0x8000000>;
26         };
27
28         clocks {
29                 slow_xtal {
30                         clock-frequency = <32768>;
31                 };
32
33                 main_xtal {
34                         clock-frequency = <12000000>;
35                 };
36         };
37
38         ahb {
39                 apb {
40                         tcb0: timer@f8008000 {
41                                 timer@0 {
42                                         compatible = "atmel,tcb-timer";
43                                         reg = <0>;
44                                 };
45
46                                 timer@1 {
47                                         compatible = "atmel,tcb-timer";
48                                         reg = <1>;
49                                 };
50                         };
51
52                         mmc0: mmc@f0008000 {
53                                 pinctrl-0 = <
54                                         &pinctrl_board_mmc0
55                                         &pinctrl_mmc0_slot0_clk_cmd_dat0
56                                         &pinctrl_mmc0_slot0_dat1_3>;
57                                 status = "okay";
58                                 slot@0 {
59                                         reg = <0>;
60                                         bus-width = <4>;
61                                         cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
62                                 };
63                         };
64
65                         dbgu: serial@fffff200 {
66                                 status = "okay";
67                         };
68
69                         usart0: serial@f801c000 {
70                                 status = "okay";
71                         };
72
73                         i2c0: i2c@f8010000 {
74                                 status = "okay";
75                         };
76
77                         adc0: adc@f804c000 {
78                                 atmel,adc-ts-wires = <4>;
79                                 atmel,adc-ts-pressure-threshold = <10000>;
80                                 status = "okay";
81                         };
82
83                         pinctrl@fffff400 {
84                                 mmc0 {
85                                         pinctrl_board_mmc0: mmc0-board {
86                                                 atmel,pins =
87                                                         <AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;  /* PD15 gpio CD pin pull up and deglitch */
88                                         };
89                                 };
90                         };
91
92                         watchdog@fffffe40 {
93                                 status = "okay";
94                         };
95                 };
96
97                 ebi: ebi@10000000 {
98                         pinctrl-0 = <&pinctrl_ebi_addr_nand
99                                      &pinctrl_ebi_data_0_7>;
100                         pinctrl-names = "default";
101                         status = "okay";
102
103                         nand_controller: nand-controller {
104                                 status = "okay";
105                                 pinctrl-0 = <&pinctrl_nand_oe_we
106                                              &pinctrl_nand_cs
107                                              &pinctrl_nand_rb>;
108                                 pinctrl-names = "default";
109
110                                 nand@3 {
111                                         reg = <0x3 0x0 0x800000>;
112                                         rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
113                                         cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
114                                         nand-bus-width = <8>;
115                                         nand-ecc-mode = "hw";
116                                         nand-ecc-strength = <4>;
117                                         nand-ecc-step-size = <512>;
118                                         nand-on-flash-bbt;
119                                         label = "atmel_nand";
120
121                                         partitions {
122                                                 compatible = "fixed-partitions";
123                                                 #address-cells = <1>;
124                                                 #size-cells = <1>;
125
126                                                 at91bootstrap@0 {
127                                                         label = "at91bootstrap";
128                                                         reg = <0x0 0x40000>;
129                                                 };
130
131                                                 uboot@40000 {
132                                                         label = "u-boot";
133                                                         reg = <0x40000 0x80000>;
134                                                 };
135
136                                                 ubootenv@c0000 {
137                                                         label = "U-Boot Env";
138                                                         reg = <0xc0000 0x140000>;
139                                                 };
140
141                                                 kernel@200000 {
142                                                         label = "kernel";
143                                                         reg = <0x200000 0x600000>;
144                                                 };
145
146                                                 rootfs@800000 {
147                                                         label = "rootfs";
148                                                         reg = <0x800000 0x0f800000>;
149                                                 };
150                                         };
151                                 };
152                         };
153                 };
154         };
155 };