summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/at91-cosino.dtsi
blob: feebd54f670efc9344116d52eaa8f15b322bc06c (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
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * at91-cosino.dtsi - Device Tree file for Cosino core module
 *
 * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
 *			HCE Engineering
 *
 * Derived from at91sam9x5ek.dtsi by:
 *	Copyright (C) 2012 Atmel,
 *	2012 Nicolas Ferre <nicolas.ferre@atmel.com>
 */

#include "at91sam9g35.dtsi"

/ {
	model = "HCE Cosino core module";
	compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";

	chosen {
		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
	};

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

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

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

&adc0 {
	atmel,adc-ts-wires = <4>;
	atmel,adc-ts-pressure-threshold = <10000>;
	status = "okay";
};

&dbgu {
	status = "okay";
};

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

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

		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 = <4>;
			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 0x0f800000>;
				};
			};
		};
	};
};

&i2c0 {
	status = "okay";
};

&mmc0 {
	pinctrl-0 = <
		&pinctrl_board_mmc0
		&pinctrl_mmc0_slot0_clk_cmd_dat0
		&pinctrl_mmc0_slot0_dat1_3>;
	status = "okay";

	slot@0 {
		reg = <0>;
		bus-width = <4>;
		cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
	};
};

&pinctrl {
	mmc0 {
		pinctrl_board_mmc0: mmc0-board {
			atmel,pins =
				<AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PD15 gpio CD pin pull up and deglitch */
		};
	};
};

&tcb0 {
	timer@0 {
		compatible = "atmel,tcb-timer";
		reg = <0>;
	};

	timer@1 {
		compatible = "atmel,tcb-timer";
		reg = <1>;
	};
};

&usart0 {
	status = "okay";
};

&watchdog {
	status = "okay";
};