1 /*
2  * linux/arch/arm/mach-at91/board-flexibity.c
3  *
4  *  Copyright (C) 2010 Flexibity
5  *  Copyright (C) 2005 SAN People
6  *  Copyright (C) 2006 Atmel
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
21  */
22 
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/spi/spi.h>
26 #include <linux/input.h>
27 #include <linux/gpio.h>
28 
29 #include <asm/mach-types.h>
30 
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33 #include <asm/mach/irq.h>
34 
35 #include <mach/hardware.h>
36 #include <mach/board.h>
37 
38 #include "generic.h"
39 
flexibity_init_early(void)40 static void __init flexibity_init_early(void)
41 {
42 	/* Initialize processor: 18.432 MHz crystal */
43 	at91_initialize(18432000);
44 
45 	/* DBGU on ttyS0. (Rx & Tx only) */
46 	at91_register_uart(0, 0, 0);
47 
48 	/* set serial console to ttyS0 (ie, DBGU) */
49 	at91_set_serial_console(0);
50 }
51 
52 /* USB Host port */
53 static struct at91_usbh_data __initdata flexibity_usbh_data = {
54 	.ports		= 2,
55 	.vbus_pin	= {-EINVAL, -EINVAL},
56 	.overcurrent_pin= {-EINVAL, -EINVAL},
57 };
58 
59 /* USB Device port */
60 static struct at91_udc_data __initdata flexibity_udc_data = {
61 	.vbus_pin	= AT91_PIN_PC5,
62 	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
63 };
64 
65 /* SPI devices */
66 static struct spi_board_info flexibity_spi_devices[] = {
67 	{	/* DataFlash chip */
68 		.modalias	= "mtd_dataflash",
69 		.chip_select	= 1,
70 		.max_speed_hz	= 15 * 1000 * 1000,
71 		.bus_num	= 0,
72 	},
73 };
74 
75 /* MCI (SD/MMC) */
76 static struct at91_mmc_data __initdata flexibity_mmc_data = {
77 	.slot_b		= 0,
78 	.wire4		= 1,
79 	.det_pin	= AT91_PIN_PC9,
80 	.wp_pin		= AT91_PIN_PC4,
81 	.vcc_pin	= -EINVAL,
82 };
83 
84 /* LEDs */
85 static struct gpio_led flexibity_leds[] = {
86 	{
87 		.name			= "usb1:green",
88 		.gpio			= AT91_PIN_PA12,
89 		.active_low		= 1,
90 		.default_trigger	= "default-on",
91 	},
92 	{
93 		.name			= "usb1:red",
94 		.gpio			= AT91_PIN_PA13,
95 		.active_low		= 1,
96 		.default_trigger	= "default-on",
97 	},
98 	{
99 		.name			= "usb2:green",
100 		.gpio			= AT91_PIN_PB26,
101 		.active_low		= 1,
102 		.default_trigger	= "default-on",
103 	},
104 	{
105 		.name			= "usb2:red",
106 		.gpio			= AT91_PIN_PB27,
107 		.active_low		= 1,
108 		.default_trigger	= "default-on",
109 	},
110 	{
111 		.name			= "usb3:green",
112 		.gpio			= AT91_PIN_PC8,
113 		.active_low		= 1,
114 		.default_trigger	= "default-on",
115 	},
116 	{
117 		.name			= "usb3:red",
118 		.gpio			= AT91_PIN_PC6,
119 		.active_low		= 1,
120 		.default_trigger	= "default-on",
121 	},
122 	{
123 		.name			= "usb4:green",
124 		.gpio			= AT91_PIN_PB4,
125 		.active_low		= 1,
126 		.default_trigger	= "default-on",
127 	},
128 	{
129 		.name			= "usb4:red",
130 		.gpio			= AT91_PIN_PB5,
131 		.active_low		= 1,
132 		.default_trigger	= "default-on",
133 	}
134 };
135 
flexibity_board_init(void)136 static void __init flexibity_board_init(void)
137 {
138 	/* Serial */
139 	at91_add_device_serial();
140 	/* USB Host */
141 	at91_add_device_usbh(&flexibity_usbh_data);
142 	/* USB Device */
143 	at91_add_device_udc(&flexibity_udc_data);
144 	/* SPI */
145 	at91_add_device_spi(flexibity_spi_devices,
146 		ARRAY_SIZE(flexibity_spi_devices));
147 	/* MMC */
148 	at91_add_device_mmc(0, &flexibity_mmc_data);
149 	/* LEDs */
150 	at91_gpio_leds(flexibity_leds, ARRAY_SIZE(flexibity_leds));
151 }
152 
153 MACHINE_START(FLEXIBITY, "Flexibity Connect")
154 	/* Maintainer: Maxim Osipov */
155 	.timer		= &at91sam926x_timer,
156 	.map_io		= at91_map_io,
157 	.init_early	= flexibity_init_early,
158 	.init_irq	= at91_init_irq_default,
159 	.init_machine	= flexibity_board_init,
160 MACHINE_END
161