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>
21 #include <linux/platform_data/at91_adc.h>
23 #include <video/atmel_lcdc.h>
25 #include <asm/setup.h>
26 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
30 #include <asm/mach/map.h>
31 #include <asm/mach/irq.h>
33 #include <mach/hardware.h>
34 #include <mach/at91sam9_smc.h>
44 static void __init ek_init_early(void)
46 /* Initialize processor: 12.000 MHz crystal */
47 at91_initialize(12000000);
53 static struct usba_platform_data __initdata ek_usba_udc_data = {
54 .vbus_pin = AT91_PIN_PA8,
61 static struct mci_platform_data __initdata mci0_data = {
64 .detect_pin = AT91_PIN_PA15,
73 static struct mtd_partition __initdata ek_nand_partition[] = {
75 .name = "Partition 1",
80 .name = "Partition 2",
81 .offset = MTDPART_OFS_NXTBLK,
82 .size = MTDPART_SIZ_FULL,
86 static struct atmel_nand_data __initdata ek_nand_data = {
90 .rdy_pin = AT91_PIN_PD17,
91 .enable_pin = AT91_PIN_PB6,
92 .ecc_mode = NAND_ECC_SOFT,
94 .parts = ek_nand_partition,
95 .num_parts = ARRAY_SIZE(ek_nand_partition),
98 static struct sam9_smc_config __initdata ek_nand_smc_config = {
101 .ncs_write_setup = 0,
106 .ncs_write_pulse = 3,
112 .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
116 static void __init ek_add_device_nand(void)
118 /* configure chip-select 3 (NAND) */
119 sam9_smc_configure(0, 3, &ek_nand_smc_config);
121 at91_add_device_nand(&ek_nand_data);
128 static struct spi_board_info ek_spi_devices[] = {
129 { /* DataFlash chip */
130 .modalias = "mtd_dataflash",
132 .max_speed_hz = 15 * 1000 * 1000,
141 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
142 static struct fb_videomode at91_tft_vga_modes[] = {
144 .name = "TX09D50VM1CCA @ 60",
146 .xres = 240, .yres = 320,
147 .pixclock = KHZ2PICOS(4965),
149 .left_margin = 1, .right_margin = 33,
150 .upper_margin = 1, .lower_margin = 0,
151 .hsync_len = 5, .vsync_len = 1,
153 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
154 .vmode = FB_VMODE_NONINTERLACED,
158 static struct fb_monspecs at91fb_default_monspecs = {
159 .manufacturer = "HIT",
160 .monitor = "TX09D50VM1CCA",
162 .modedb = at91_tft_vga_modes,
163 .modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
170 #define AT91SAM9RL_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
171 | ATMEL_LCDC_DISTYPE_TFT \
172 | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
174 static void at91_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on)
177 at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */
179 at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */
183 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = {
184 .lcdcon_is_backlight = true,
186 .default_dmacon = ATMEL_LCDC_DMAEN,
187 .default_lcdcon2 = AT91SAM9RL_DEFAULT_LCDCON2,
188 .default_monspecs = &at91fb_default_monspecs,
189 .atmel_lcdfb_power_control = at91_lcdc_power_control,
191 .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
195 static struct atmel_lcdfb_pdata __initdata ek_lcdc_data;
201 * reset_pin is not connected: NRST
203 static struct ac97c_platform_data ek_ac97_data = {
204 .reset_pin = -EINVAL,
211 static struct gpio_led ek_leds[] = {
212 { /* "bottom" led, green, userled1 to be defined */
214 .gpio = AT91_PIN_PD15,
216 .default_trigger = "none",
218 { /* "bottom" led, green, userled2 to be defined */
220 .gpio = AT91_PIN_PD16,
222 .default_trigger = "none",
224 { /* "power" led, yellow */
226 .gpio = AT91_PIN_PD14,
227 .default_trigger = "heartbeat",
235 static struct at91_adc_data ek_adc_data = {
236 .channels_used = BIT(0) | BIT(1) | BIT(2) | BIT(3) | BIT(4) | BIT(5),
237 .use_external_triggers = true,
239 .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE,
246 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
247 static struct gpio_keys_button ek_buttons[] = {
249 .gpio = AT91_PIN_PB0,
251 .desc = "Right Click",
256 .gpio = AT91_PIN_PB1,
258 .desc = "Left Click",
264 static struct gpio_keys_platform_data ek_button_data = {
265 .buttons = ek_buttons,
266 .nbuttons = ARRAY_SIZE(ek_buttons),
269 static struct platform_device ek_button_device = {
274 .platform_data = &ek_button_data,
278 static void __init ek_add_device_buttons(void)
280 at91_set_gpio_input(AT91_PIN_PB1, 1); /* btn1 */
281 at91_set_deglitch(AT91_PIN_PB1, 1);
282 at91_set_gpio_input(AT91_PIN_PB0, 1); /* btn2 */
283 at91_set_deglitch(AT91_PIN_PB0, 1);
285 platform_device_register(&ek_button_device);
288 static void __init ek_add_device_buttons(void) {}
292 static void __init ek_board_init(void)
294 at91_register_devices();
297 /* DBGU on ttyS0. (Rx & Tx only) */
298 at91_register_uart(0, 0, 0);
300 /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
301 at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
302 at91_add_device_serial();
304 at91_add_device_usba(&ek_usba_udc_data);
306 at91_add_device_i2c(NULL, 0);
308 ek_add_device_nand();
310 at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
312 at91_add_device_mci(0, &mci0_data);
314 at91_add_device_lcdc(&ek_lcdc_data);
316 at91_add_device_ac97(&ek_ac97_data);
317 /* Touch Screen Controller + ADC */
318 at91_add_device_adc(&ek_adc_data);
320 at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
322 ek_add_device_buttons();
325 MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
326 /* Maintainer: Atmel */
327 .init_time = at91_init_time,
328 .map_io = at91_map_io,
329 .handle_irq = at91_aic_handle_irq,
330 .init_early = ek_init_early,
331 .init_irq = at91_init_irq_default,
332 .init_machine = ek_board_init,