2 * Copyright (C) 2005 SAN People
3 * Copyright (C) 2007 Atmel Corporation
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
10 #include <linux/types.h>
11 #include <linux/gpio.h>
12 #include <linux/init.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/spi/spi.h>
18 #include <linux/clk.h>
19 #include <linux/input.h>
20 #include <linux/gpio_keys.h>
22 #include <video/atmel_lcdc.h>
24 #include <asm/setup.h>
25 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
30 #include <asm/mach/irq.h>
32 #include <mach/hardware.h>
33 #include <mach/board.h>
34 #include <mach/at91sam9_smc.h>
35 #include <mach/at91_shdwc.h>
41 static void __init ek_init_early(void)
43 /* Initialize processor: 12.000 MHz crystal */
44 at91_initialize(12000000);
50 static struct usba_platform_data __initdata ek_usba_udc_data = {
51 .vbus_pin = AT91_PIN_PA8,
58 static struct at91_mmc_data __initdata ek_mmc_data = {
60 .det_pin = AT91_PIN_PA15,
69 static struct mtd_partition __initdata ek_nand_partition[] = {
71 .name = "Partition 1",
76 .name = "Partition 2",
77 .offset = MTDPART_OFS_NXTBLK,
78 .size = MTDPART_SIZ_FULL,
82 static struct atmel_nand_data __initdata ek_nand_data = {
86 .rdy_pin = AT91_PIN_PD17,
87 .enable_pin = AT91_PIN_PB6,
88 .ecc_mode = NAND_ECC_SOFT,
90 .parts = ek_nand_partition,
91 .num_parts = ARRAY_SIZE(ek_nand_partition),
94 static struct sam9_smc_config __initdata ek_nand_smc_config = {
102 .ncs_write_pulse = 3,
108 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
112 static void __init ek_add_device_nand(void)
114 /* configure chip-select 3 (NAND) */
115 sam9_smc_configure(0, 3, &ek_nand_smc_config);
117 at91_add_device_nand(&ek_nand_data);
124 static struct spi_board_info ek_spi_devices[] = {
125 { /* DataFlash chip */
126 .modalias = "mtd_dataflash",
128 .max_speed_hz = 15 * 1000 * 1000,
137 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
138 static struct fb_videomode at91_tft_vga_modes[] = {
140 .name = "TX09D50VM1CCA @ 60",
142 .xres = 240, .yres = 320,
143 .pixclock = KHZ2PICOS(4965),
145 .left_margin = 1, .right_margin = 33,
146 .upper_margin = 1, .lower_margin = 0,
147 .hsync_len = 5, .vsync_len = 1,
149 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
150 .vmode = FB_VMODE_NONINTERLACED,
154 static struct fb_monspecs at91fb_default_monspecs = {
155 .manufacturer = "HIT",
156 .monitor = "TX09D50VM1CCA",
158 .modedb = at91_tft_vga_modes,
159 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
166 #define AT91SAM9RL_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
167 | ATMEL_LCDC_DISTYPE_TFT \
168 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
170 static void at91_lcdc_power_control(int on)
173 at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */
175 at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */
179 static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
180 .lcdcon_is_backlight = true,
182 .default_dmacon = ATMEL_LCDC_DMAEN,
183 .default_lcdcon2 = AT91SAM9RL_DEFAULT_LCDCON2,
184 .default_monspecs = &at91fb_default_monspecs,
185 .atmel_lcdfb_power_control = at91_lcdc_power_control,
187 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
191 static struct atmel_lcdfb_info __initdata ek_lcdc_data;
197 * reset_pin is not connected: NRST
199 static struct ac97c_platform_data ek_ac97_data = {
200 .reset_pin = -EINVAL,
207 static struct gpio_led ek_leds[] = {
208 { /* "bottom" led, green, userled1 to be defined */
210 .gpio = AT91_PIN_PD15,
212 .default_trigger = "none",
214 { /* "bottom" led, green, userled2 to be defined */
216 .gpio = AT91_PIN_PD16,
218 .default_trigger = "none",
220 { /* "power" led, yellow */
222 .gpio = AT91_PIN_PD14,
223 .default_trigger = "heartbeat",
231 static struct at91_tsadcc_data ek_tsadcc_data = {
232 .adc_clock = 1000000,
233 .pendet_debounce = 0x0f,
234 .ts_sample_hold_time = 0x03,
241 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
242 static struct gpio_keys_button ek_buttons[] = {
244 .gpio = AT91_PIN_PB0,
246 .desc = "Right Click",
251 .gpio = AT91_PIN_PB1,
253 .desc = "Left Click",
259 static struct gpio_keys_platform_data ek_button_data = {
260 .buttons = ek_buttons,
261 .nbuttons = ARRAY_SIZE(ek_buttons),
264 static struct platform_device ek_button_device = {
269 .platform_data = &ek_button_data,
273 static void __init ek_add_device_buttons(void)
275 at91_set_gpio_input(AT91_PIN_PB1, 1); /* btn1 */
276 at91_set_deglitch(AT91_PIN_PB1, 1);
277 at91_set_gpio_input(AT91_PIN_PB0, 1); /* btn2 */
278 at91_set_deglitch(AT91_PIN_PB0, 1);
280 platform_device_register(&ek_button_device);
283 static void __init ek_add_device_buttons(void) {}
287 static void __init ek_board_init(void)
290 /* DBGU on ttyS0. (Rx & Tx only) */
291 at91_register_uart(0, 0, 0);
293 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
294 at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
295 at91_add_device_serial();
297 at91_add_device_usba(&ek_usba_udc_data);
299 at91_add_device_i2c(NULL, 0);
301 ek_add_device_nand();
303 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
305 at91_add_device_mmc(0, &ek_mmc_data);
307 at91_add_device_lcdc(&ek_lcdc_data);
309 at91_add_device_ac97(&ek_ac97_data);
310 /* Touch Screen Controller */
311 at91_add_device_tsadcc(&ek_tsadcc_data);
313 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
315 ek_add_device_buttons();
318 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
319 /* Maintainer: Atmel */
320 .timer = &at91sam926x_timer,
321 .map_io = at91_map_io,
322 .init_early = ek_init_early,
323 .init_irq = at91_init_irq_default,
324 .init_machine = ek_board_init,