summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/at91sam9x5cm.dtsi
blob: bdeaa0b64a5bf213cc16a6f34218bb5bb850e63f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/*
 * at91sam9x5cm.dtsi - Device Tree Include file for AT91SAM9x5 CPU Module
 *
 *  Copyright (C) 2012 Atmel,
 *                2012 Nicolas Ferre <nicolas.ferre@atmel.com>
 *
 * Licensed under GPLv2 or later.
 */

/ {
	memory {
		reg = <0x20000000 0x8000000>;
	};

	clocks {
		slow_xtal {
			clock-frequency = <32768>;
		};

		main_xtal {
			clock-frequency = <12000000>;
		};
	};

	ahb {
		apb {
			pinctrl@fffff400 {
				1wire_cm {
					pinctrl_1wire_cm: 1wire_cm-0 {
						atmel,pins = <AT91_PIOB 18 AT91_PERIPH_GPIO AT91_PINCTRL_MULTI_DRIVE>; /* PB18 multidrive, conflicts with led */
					};
				};
			};

			rtc@fffffeb0 {
				status = "okay";
			};
		};

		ebi: ebi@10000000 {
			pinctrl-0 = <&pinctrl_ebi_addr_nand
				     &pinctrl_ebi_data_0_7>;
			pinctrl-names = "default";
			status = "okay";

			nand_controller: nand-controller {
				status = "okay";
				pinctrl-0 = <&pinctrl_nand_oe_we
					     &pinctrl_nand_cs
					     &pinctrl_nand_rb>;
				pinctrl-names = "default";

				nand@3 {
					reg = <0x3 0x0 0x800000>;
					rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
					cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
					nand-bus-width = <8>;
					nand-ecc-mode = "hw";
					nand-ecc-strength = <2>;
					nand-ecc-step-size = <512>;
					nand-on-flash-bbt;
					label = "atmel_nand";

					partitions {
						compatible = "fixed-partitions";
						#address-cells = <1>;
						#size-cells = <1>;

						at91bootstrap@0 {
							label = "at91bootstrap";
							reg = <0x0 0x40000>;
						};

						uboot@40000 {
							label = "u-boot";
							reg = <0x40000 0x80000>;
						};

						ubootenv@c0000 {
							label = "U-Boot Env";
							reg = <0xc0000 0x140000>;
						};

						kernel@200000 {
							label = "kernel";
							reg = <0x200000 0x600000>;
						};

						rootfs@800000 {
							label = "rootfs";
							reg = <0x800000 0x1f800000>;
						};
					};
				};
			};
		};
	};

	leds {
		compatible = "gpio-leds";

		pb18 {
			label = "pb18";
			gpios = <&pioB 18 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};

		pd21 {
			label = "pd21";
			gpios = <&pioD 21 GPIO_ACTIVE_HIGH>;
		};
	};

	1wire_cm {
		compatible = "w1-gpio";
		gpios = <&pioB 18 GPIO_ACTIVE_HIGH>;
		linux,open-drain;
		pinctrl-names = "default";
		pinctrl-0 = <&pinctrl_1wire_cm>;
		status = "okay";
	};

};