Merge branch 'next/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/linux...
[pandora-kernel.git] / arch / arm / mach-at91 / board-snapper9260.c
1 /*
2  * linux/arch/arm/mach-at91/board-snapper9260.c
3  *
4  *  Copyright (C) 2010 Bluewater System Ltd
5  *
6  * Author: Andre Renaud <andre@bluewatersys.com>
7  * Author: Ryan Mallon
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  *
23  */
24
25 #include <linux/init.h>
26 #include <linux/gpio.h>
27 #include <linux/platform_device.h>
28 #include <linux/spi/spi.h>
29 #include <linux/i2c/pca953x.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33
34 #include <mach/hardware.h>
35 #include <mach/board.h>
36 #include <mach/at91sam9_smc.h>
37
38 #include "sam9_smc.h"
39 #include "generic.h"
40
41 #define SNAPPER9260_IO_EXP_GPIO(x)      (NR_BUILTIN_GPIO + (x))
42
43 static void __init snapper9260_init_early(void)
44 {
45         at91sam9260_initialize(18432000);
46
47         /* Debug on ttyS0 */
48         at91_register_uart(0, 0, 0);
49         at91_set_serial_console(0);
50
51         at91_register_uart(AT91SAM9260_ID_US0, 1,
52                            ATMEL_UART_CTS | ATMEL_UART_RTS);
53         at91_register_uart(AT91SAM9260_ID_US1, 2,
54                            ATMEL_UART_CTS | ATMEL_UART_RTS);
55         at91_register_uart(AT91SAM9260_ID_US2, 3, 0);
56 }
57
58 static void __init snapper9260_init_irq(void)
59 {
60         at91sam9260_init_interrupts(NULL);
61 }
62
63 static struct at91_usbh_data __initdata snapper9260_usbh_data = {
64         .ports          = 2,
65 };
66
67 static struct at91_udc_data __initdata snapper9260_udc_data = {
68         .vbus_pin               = SNAPPER9260_IO_EXP_GPIO(5),
69         .vbus_active_low        = 1,
70         .vbus_polled            = 1,
71 };
72
73 static struct at91_eth_data snapper9260_macb_data = {
74         .is_rmii        = 1,
75 };
76
77 static struct mtd_partition __initdata snapper9260_nand_partitions[] = {
78         {
79                 .name   = "Preboot",
80                 .offset = 0,
81                 .size   = SZ_128K,
82         },
83         {
84                 .name   = "Bootloader",
85                 .offset = MTDPART_OFS_APPEND,
86                 .size   = SZ_256K,
87         },
88         {
89                 .name   = "Environment",
90                 .offset = MTDPART_OFS_APPEND,
91                 .size   = SZ_128K,
92         },
93         {
94                 .name   = "Kernel",
95                 .offset = MTDPART_OFS_APPEND,
96                 .size   = SZ_4M,
97         },
98         {
99                 .name   = "Filesystem",
100                 .offset = MTDPART_OFS_APPEND,
101                 .size   = MTDPART_SIZ_FULL,
102         },
103 };
104
105 static struct mtd_partition * __init
106 snapper9260_nand_partition_info(int size, int *num_partitions)
107 {
108         *num_partitions = ARRAY_SIZE(snapper9260_nand_partitions);
109         return snapper9260_nand_partitions;
110 }
111
112 static struct atmel_nand_data __initdata snapper9260_nand_data = {
113         .ale            = 21,
114         .cle            = 22,
115         .rdy_pin        = AT91_PIN_PC13,
116         .partition_info = snapper9260_nand_partition_info,
117         .bus_width_16   = 0,
118 };
119
120 static struct sam9_smc_config __initdata snapper9260_nand_smc_config = {
121         .ncs_read_setup         = 0,
122         .nrd_setup              = 0,
123         .ncs_write_setup        = 0,
124         .nwe_setup              = 0,
125
126         .ncs_read_pulse         = 5,
127         .nrd_pulse              = 2,
128         .ncs_write_pulse        = 5,
129         .nwe_pulse              = 2,
130
131         .read_cycle             = 7,
132         .write_cycle            = 7,
133
134         .mode                   = (AT91_SMC_READMODE | AT91_SMC_WRITEMODE |
135                                    AT91_SMC_EXNWMODE_DISABLE),
136         .tdf_cycles             = 1,
137 };
138
139 static struct pca953x_platform_data snapper9260_io_expander_data = {
140         .gpio_base              = SNAPPER9260_IO_EXP_GPIO(0),
141 };
142
143 static struct i2c_board_info __initdata snapper9260_i2c_devices[] = {
144         {
145                 /* IO expander */
146                 I2C_BOARD_INFO("max7312", 0x28),
147                 .platform_data = &snapper9260_io_expander_data,
148         },
149         {
150                 /* Audio codec */
151                 I2C_BOARD_INFO("tlv320aic23", 0x1a),
152         },
153         {
154                 /* RTC */
155                 I2C_BOARD_INFO("isl1208", 0x6f),
156                 .irq = gpio_to_irq(AT91_PIN_PA31),
157         },
158 };
159
160 static void __init snapper9260_add_device_nand(void)
161 {
162         at91_set_A_periph(AT91_PIN_PC14, 0);
163         sam9_smc_configure(3, &snapper9260_nand_smc_config);
164         at91_add_device_nand(&snapper9260_nand_data);
165 }
166
167 static void __init snapper9260_board_init(void)
168 {
169         at91_add_device_i2c(snapper9260_i2c_devices,
170                             ARRAY_SIZE(snapper9260_i2c_devices));
171         at91_add_device_serial();
172         at91_add_device_usbh(&snapper9260_usbh_data);
173         at91_add_device_udc(&snapper9260_udc_data);
174         at91_add_device_eth(&snapper9260_macb_data);
175         at91_add_device_ssc(AT91SAM9260_ID_SSC, (ATMEL_SSC_TF | ATMEL_SSC_TK |
176                                                  ATMEL_SSC_TD | ATMEL_SSC_RD));
177         snapper9260_add_device_nand();
178 }
179
180 MACHINE_START(SNAPPER_9260, "Bluewater Systems Snapper 9260/9G20 module")
181         .timer          = &at91sam926x_timer,
182         .map_io         = at91sam9260_map_io,
183         .init_early     = snapper9260_init_early,
184         .init_irq       = snapper9260_init_irq,
185         .init_machine   = snapper9260_board_init,
186 MACHINE_END
187
188