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Wenyou Yang25e88d42017-04-18 13:49:34 +08001/*
2 * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
3 *
4 * Copyright (C) 2012 Atmel,
5 * 2012 Nicolas Ferre <nicolas.ferre@atmel.com>
6 *
7 * Licensed under GPLv2 or later.
8 */
9
10/ {
11 memory {
12 reg = <0x20000000 0x8000000>;
13 };
14
15 clocks {
16 slow_xtal {
17 clock-frequency = <32768>;
18 };
19
20 main_xtal {
21 clock-frequency = <12000000>;
22 };
23 };
24
25 ahb {
26 apb {
27 pinctrl@fffff400 {
28 1wire_cm {
29 pinctrl_1wire_cm: 1wire_cm-0 {
30 atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
31 };
32 };
33 };
34
35 rtc@fffffeb0 {
36 status = "okay";
37 };
38 };
39
40 nand0: nand@40000000 {
41 nand-bus-width = <8>;
42 nand-ecc-mode = "hw";
43 atmel,has-pmecc; /* Enable PMECC */
44 atmel,pmecc-cap = <2>;
45 atmel,pmecc-sector-size = <512>;
46 nand-on-flash-bbt;
47 status = "okay";
48
49 at91bootstrap@0 {
50 label = "at91bootstrap";
51 reg = <0x0 0x40000>;
52 };
53
54 uboot@40000 {
55 label = "u-boot";
56 reg = <0x40000 0x80000>;
57 };
58
59 ubootenv@c0000 {
60 label = "U-Boot Env";
61 reg = <0xc0000 0x140000>;
62 };
63
64 kernel@200000 {
65 label = "kernel";
66 reg = <0x200000 0x600000>;
67 };
68
69 rootfs@800000 {
70 label = "rootfs";
71 reg = <0x800000 0x1f800000>;
72 };
73 };
74 };
75
76 leds {
77 compatible = "gpio-leds";
78
79 pb18 {
80 label = "pb18";
81 gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
82 linux,default-trigger = "heartbeat";
83 };
84
85 pd21 {
86 label = "pd21";
87 gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
88 };
89 };
90
91 1wire_cm {
92 compatible = "w1-gpio";
93 gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
94 linux,open-drain;
95 pinctrl-names = "default";
96 pinctrl-0 = <&pinctrl_1wire_cm>;
97 status = "okay";
98 };
99
100};