xref: /linux/arch/arm/boot/dts/microchip/at91-cosino.dtsi (revision 34dc1baba215b826e454b8d19e4f24adbeb7d00d) 
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * at91-cosino.dtsi - Device Tree file for Cosino core module
4 *
5 * Copyright (C) 2013 - Rodolfo Giometti <giometti@linux.it>
6 *			HCE Engineering
7 *
8 * Derived from at91sam9x5ek.dtsi by:
9 *	Copyright (C) 2012 Atmel,
10 *	2012 Nicolas Ferre <nicolas.ferre@atmel.com>
11 */
12
13#include "at91sam9g35.dtsi"
14
15/ {
16	model = "HCE Cosino core module";
17	compatible = "hce,cosino", "atmel,at91sam9x5", "atmel,at91sam9";
18
19	chosen {
20		bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootfstype=ext3 rootwait";
21	};
22
23	memory@20000000 {
24		reg = <0x20000000 0x8000000>;
25	};
26
27	clocks {
28		slow_xtal {
29			clock-frequency = <32768>;
30		};
31
32		main_xtal {
33			clock-frequency = <12000000>;
34		};
35	};
36};
37
38&adc0 {
39	atmel,adc-ts-wires = <4>;
40	atmel,adc-ts-pressure-threshold = <10000>;
41	status = "okay";
42};
43
44&dbgu {
45	status = "okay";
46};
47
48&ebi {
49	pinctrl-0 = <&pinctrl_ebi_addr_nand
50		     &pinctrl_ebi_data_0_7>;
51	pinctrl-names = "default";
52	status = "okay";
53
54	nand-controller {
55		pinctrl-0 = <&pinctrl_nand_oe_we
56			     &pinctrl_nand_cs
57			     &pinctrl_nand_rb>;
58		pinctrl-names = "default";
59		status = "okay";
60
61		nand@3 {
62			reg = <0x3 0x0 0x800000>;
63			rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
64			cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
65			nand-bus-width = <8>;
66			nand-ecc-mode = "hw";
67			nand-ecc-strength = <4>;
68			nand-ecc-step-size = <512>;
69			nand-on-flash-bbt;
70			label = "atmel_nand";
71
72			partitions {
73				compatible = "fixed-partitions";
74				#address-cells = <1>;
75				#size-cells = <1>;
76
77				at91bootstrap@0 {
78					label = "at91bootstrap";
79					reg = <0x0 0x40000>;
80				};
81
82				uboot@40000 {
83					label = "u-boot";
84					reg = <0x40000 0x80000>;
85				};
86
87				ubootenv@c0000 {
88					label = "U-Boot Env";
89					reg = <0xc0000 0x140000>;
90				};
91
92				kernel@200000 {
93					label = "kernel";
94					reg = <0x200000 0x600000>;
95				};
96
97				rootfs@800000 {
98					label = "rootfs";
99					reg = <0x800000 0x0f800000>;
100				};
101			};
102		};
103	};
104};
105
106&i2c0 {
107	status = "okay";
108};
109
110&mmc0 {
111	pinctrl-0 = <
112		&pinctrl_board_mmc0
113		&pinctrl_mmc0_slot0_clk_cmd_dat0
114		&pinctrl_mmc0_slot0_dat1_3>;
115	pinctrl-names = "default";
116	status = "okay";
117
118	slot@0 {
119		reg = <0>;
120		bus-width = <4>;
121		cd-gpios = <&pioD 15 GPIO_ACTIVE_HIGH>;
122	};
123};
124
125&pinctrl {
126	mmc0 {
127		pinctrl_board_mmc0: mmc0-board {
128			atmel,pins =
129				<AT91_PIOD 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PD15 gpio CD pin pull up and deglitch */
130		};
131	};
132};
133
134&tcb0 {
135	timer@0 {
136		compatible = "atmel,tcb-timer";
137		reg = <0>;
138	};
139
140	timer@1 {
141		compatible = "atmel,tcb-timer";
142		reg = <1>;
143	};
144};
145
146&usart0 {
147	status = "okay";
148};
149
150&watchdog {
151	status = "okay";
152};
153