Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6] / arch / arm / mach-at91 / board-sam9rlek.c
1 /*
2  *  Copyright (C) 2005 SAN People
3  *  Copyright (C) 2007 Atmel Corporation
4  *
5  * This file is subject to the terms and conditions of the GNU General Public
6  * License.  See the file COPYING in the main directory of this archive for
7  * more details.
8  */
9
10 #include <linux/types.h>
11 #include <linux/init.h>
12 #include <linux/mm.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <linux/spi/spi.h>
16 #include <linux/fb.h>
17 #include <linux/clk.h>
18
19 #include <video/atmel_lcdc.h>
20
21 #include <asm/hardware.h>
22 #include <asm/setup.h>
23 #include <asm/mach-types.h>
24 #include <asm/irq.h>
25
26 #include <asm/mach/arch.h>
27 #include <asm/mach/map.h>
28 #include <asm/mach/irq.h>
29
30 #include <asm/arch/board.h>
31 #include <asm/arch/gpio.h>
32 #include <asm/arch/at91sam9_smc.h>
33
34 #include "generic.h"
35
36
37 static void __init ek_map_io(void)
38 {
39         /* Initialize processor: 12.000 MHz crystal */
40         at91sam9rl_initialize(12000000);
41
42         /* DGBU on ttyS0. (Rx & Tx only) */
43         at91_register_uart(0, 0, 0);
44
45         /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
46         at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
47
48         /* set serial console to ttyS0 (ie, DBGU) */
49         at91_set_serial_console(0);
50 }
51
52 static void __init ek_init_irq(void)
53 {
54         at91sam9rl_init_interrupts(NULL);
55 }
56
57
58 /*
59  * MCI (SD/MMC)
60  */
61 static struct at91_mmc_data __initdata ek_mmc_data = {
62         .wire4          = 1,
63         .det_pin        = AT91_PIN_PA15,
64 //      .wp_pin         = ... not connected
65 //      .vcc_pin        = ... not connected
66 };
67
68
69 /*
70  * NAND flash
71  */
72 static struct mtd_partition __initdata ek_nand_partition[] = {
73         {
74                 .name   = "Partition 1",
75                 .offset = 0,
76                 .size   = 256 * 1024,
77         },
78         {
79                 .name   = "Partition 2",
80                 .offset = 256 * 1024 ,
81                 .size   = MTDPART_SIZ_FULL,
82         },
83 };
84
85 static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
86 {
87         *num_partitions = ARRAY_SIZE(ek_nand_partition);
88         return ek_nand_partition;
89 }
90
91 static struct at91_nand_data __initdata ek_nand_data = {
92         .ale            = 21,
93         .cle            = 22,
94 //      .det_pin        = ... not connected
95         .rdy_pin        = AT91_PIN_PD17,
96         .enable_pin     = AT91_PIN_PB6,
97         .partition_info = nand_partitions,
98         .bus_width_16   = 0,
99 };
100
101
102 /*
103  * SPI devices
104  */
105 static struct spi_board_info ek_spi_devices[] = {
106         {       /* DataFlash chip */
107                 .modalias       = "mtd_dataflash",
108                 .chip_select    = 0,
109                 .max_speed_hz   = 15 * 1000 * 1000,
110                 .bus_num        = 0,
111         },
112 };
113
114
115 /*
116  * LCD Controller
117  */
118 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
119 static struct fb_videomode at91_tft_vga_modes[] = {
120         {
121                 .name           = "TX09D50VM1CCA @ 60",
122                 .refresh        = 60,
123                 .xres           = 240,          .yres           = 320,
124                 .pixclock       = KHZ2PICOS(4965),
125
126                 .left_margin    = 1,            .right_margin   = 33,
127                 .upper_margin   = 1,            .lower_margin   = 0,
128                 .hsync_len      = 5,            .vsync_len      = 1,
129
130                 .sync           = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
131                 .vmode          = FB_VMODE_NONINTERLACED,
132         },
133 };
134
135 static struct fb_monspecs at91fb_default_monspecs = {
136         .manufacturer   = "HIT",
137         .monitor        = "TX09D50VM1CCA",
138
139         .modedb         = at91_tft_vga_modes,
140         .modedb_len     = ARRAY_SIZE(at91_tft_vga_modes),
141         .hfmin          = 15000,
142         .hfmax          = 64000,
143         .vfmin          = 50,
144         .vfmax          = 150,
145 };
146
147 #define AT91SAM9RL_DEFAULT_LCDCON2      (ATMEL_LCDC_MEMOR_LITTLE \
148                                         | ATMEL_LCDC_DISTYPE_TFT \
149                                         | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
150
151 static void at91_lcdc_power_control(int on)
152 {
153         if (on)
154                 at91_set_gpio_value(AT91_PIN_PA30, 0);  /* power up */
155         else
156                 at91_set_gpio_value(AT91_PIN_PA30, 1);  /* power down */
157 }
158
159 /* Driver datas */
160 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
161         .default_bpp                    = 16,
162         .default_dmacon                 = ATMEL_LCDC_DMAEN,
163         .default_lcdcon2                = AT91SAM9RL_DEFAULT_LCDCON2,
164         .default_monspecs               = &at91fb_default_monspecs,
165         .atmel_lcdfb_power_control      = at91_lcdc_power_control,
166         .guard_time                     = 1,
167 };
168
169 #else
170 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
171 #endif
172
173
174 static void __init ek_board_init(void)
175 {
176         /* Serial */
177         at91_add_device_serial();
178         /* I2C */
179         at91_add_device_i2c(NULL, 0);
180         /* NAND */
181         at91_add_device_nand(&ek_nand_data);
182         /* SPI */
183         at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
184         /* MMC */
185         at91_add_device_mmc(0, &ek_mmc_data);
186         /* LCD Controller */
187         at91_add_device_lcdc(&ek_lcdc_data);
188 }
189
190 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
191         /* Maintainer: Atmel */
192         .phys_io        = AT91_BASE_SYS,
193         .io_pg_offst    = (AT91_VA_BASE_SYS >> 18) & 0xfffc,
194         .boot_params    = AT91_SDRAM_BASE + 0x100,
195         .timer          = &at91sam926x_timer,
196         .map_io         = ek_map_io,
197         .init_irq       = ek_init_irq,
198         .init_machine   = ek_board_init,
199 MACHINE_END