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c42dcb3d AV |
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> | |
2f8163ba | 11 | #include <linux/gpio.h> |
c42dcb3d AV |
12 | #include <linux/init.h> |
13 | #include <linux/mm.h> | |
14 | #include <linux/module.h> | |
15 | #include <linux/platform_device.h> | |
16 | #include <linux/spi/spi.h> | |
17 | #include <linux/fb.h> | |
18 | #include <linux/clk.h> | |
226ddb98 NF |
19 | #include <linux/input.h> |
20 | #include <linux/gpio_keys.h> | |
3fb07e86 | 21 | #include <linux/platform_data/at91_adc.h> |
c42dcb3d AV |
22 | |
23 | #include <video/atmel_lcdc.h> | |
24 | ||
c42dcb3d AV |
25 | #include <asm/setup.h> |
26 | #include <asm/mach-types.h> | |
27 | #include <asm/irq.h> | |
28 | ||
29 | #include <asm/mach/arch.h> | |
30 | #include <asm/mach/map.h> | |
31 | #include <asm/mach/irq.h> | |
32 | ||
e505240b | 33 | #include <mach/hardware.h> |
80b02c17 | 34 | #include <mach/at91sam9_smc.h> |
c42dcb3d | 35 | |
a510b9ba JCPV |
36 | |
37 | #include "at91_aic.h" | |
43d2f532 | 38 | #include "board.h" |
8cdae51a | 39 | #include "sam9_smc.h" |
c42dcb3d | 40 | #include "generic.h" |
cf2e933c | 41 | #include "gpio.h" |
c42dcb3d AV |
42 | |
43 | ||
1b021a3b | 44 | static void __init ek_init_early(void) |
c42dcb3d AV |
45 | { |
46 | /* Initialize processor: 12.000 MHz crystal */ | |
21d08b9d | 47 | at91_initialize(12000000); |
c42dcb3d AV |
48 | } |
49 | ||
ba45ca43 NF |
50 | /* |
51 | * USB HS Device port | |
52 | */ | |
53 | static struct usba_platform_data __initdata ek_usba_udc_data = { | |
54 | .vbus_pin = AT91_PIN_PA8, | |
55 | }; | |
56 | ||
57 | ||
c42dcb3d AV |
58 | /* |
59 | * MCI (SD/MMC) | |
60 | */ | |
4cf3326a LD |
61 | static struct mci_platform_data __initdata mci0_data = { |
62 | .slot[0] = { | |
63 | .bus_width = 4, | |
64 | .detect_pin = AT91_PIN_PA15, | |
65 | .wp_pin = -EINVAL, | |
66 | }, | |
c42dcb3d AV |
67 | }; |
68 | ||
69 | ||
70 | /* | |
71 | * NAND flash | |
72 | */ | |
73 | static struct mtd_partition __initdata ek_nand_partition[] = { | |
74 | { | |
75 | .name = "Partition 1", | |
76 | .offset = 0, | |
e505240b | 77 | .size = SZ_256K, |
c42dcb3d AV |
78 | }, |
79 | { | |
80 | .name = "Partition 2", | |
e505240b | 81 | .offset = MTDPART_OFS_NXTBLK, |
c42dcb3d AV |
82 | .size = MTDPART_SIZ_FULL, |
83 | }, | |
84 | }; | |
85 | ||
3c3796cc | 86 | static struct atmel_nand_data __initdata ek_nand_data = { |
c42dcb3d AV |
87 | .ale = 21, |
88 | .cle = 22, | |
63b4c296 | 89 | .det_pin = -EINVAL, |
c42dcb3d AV |
90 | .rdy_pin = AT91_PIN_PD17, |
91 | .enable_pin = AT91_PIN_PB6, | |
bf4289cb | 92 | .ecc_mode = NAND_ECC_SOFT, |
98619dcb | 93 | .on_flash_bbt = 1, |
1754aab9 DES |
94 | .parts = ek_nand_partition, |
95 | .num_parts = ARRAY_SIZE(ek_nand_partition), | |
c42dcb3d AV |
96 | }; |
97 | ||
8cdae51a AV |
98 | static struct sam9_smc_config __initdata ek_nand_smc_config = { |
99 | .ncs_read_setup = 0, | |
100 | .nrd_setup = 1, | |
101 | .ncs_write_setup = 0, | |
102 | .nwe_setup = 1, | |
103 | ||
104 | .ncs_read_pulse = 3, | |
105 | .nrd_pulse = 3, | |
106 | .ncs_write_pulse = 3, | |
107 | .nwe_pulse = 3, | |
108 | ||
109 | .read_cycle = 5, | |
110 | .write_cycle = 5, | |
111 | ||
112 | .mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8, | |
113 | .tdf_cycles = 2, | |
114 | }; | |
115 | ||
116 | static void __init ek_add_device_nand(void) | |
117 | { | |
118 | /* configure chip-select 3 (NAND) */ | |
faee0cc3 | 119 | sam9_smc_configure(0, 3, &ek_nand_smc_config); |
8cdae51a AV |
120 | |
121 | at91_add_device_nand(&ek_nand_data); | |
122 | } | |
123 | ||
c42dcb3d AV |
124 | |
125 | /* | |
126 | * SPI devices | |
127 | */ | |
128 | static struct spi_board_info ek_spi_devices[] = { | |
129 | { /* DataFlash chip */ | |
130 | .modalias = "mtd_dataflash", | |
131 | .chip_select = 0, | |
132 | .max_speed_hz = 15 * 1000 * 1000, | |
133 | .bus_num = 0, | |
134 | }, | |
135 | }; | |
136 | ||
137 | ||
138 | /* | |
139 | * LCD Controller | |
140 | */ | |
141 | #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE) | |
142 | static struct fb_videomode at91_tft_vga_modes[] = { | |
143 | { | |
144 | .name = "TX09D50VM1CCA @ 60", | |
145 | .refresh = 60, | |
146 | .xres = 240, .yres = 320, | |
147 | .pixclock = KHZ2PICOS(4965), | |
148 | ||
149 | .left_margin = 1, .right_margin = 33, | |
150 | .upper_margin = 1, .lower_margin = 0, | |
151 | .hsync_len = 5, .vsync_len = 1, | |
152 | ||
153 | .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, | |
154 | .vmode = FB_VMODE_NONINTERLACED, | |
155 | }, | |
156 | }; | |
157 | ||
158 | static struct fb_monspecs at91fb_default_monspecs = { | |
159 | .manufacturer = "HIT", | |
160 | .monitor = "TX09D50VM1CCA", | |
161 | ||
162 | .modedb = at91_tft_vga_modes, | |
163 | .modedb_len = ARRAY_SIZE(at91_tft_vga_modes), | |
164 | .hfmin = 15000, | |
165 | .hfmax = 64000, | |
166 | .vfmin = 50, | |
167 | .vfmax = 150, | |
168 | }; | |
169 | ||
170 | #define AT91SAM9RL_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \ | |
171 | | ATMEL_LCDC_DISTYPE_TFT \ | |
172 | | ATMEL_LCDC_CLKMOD_ALWAYSACTIVE) | |
173 | ||
ce3b64f5 | 174 | static void at91_lcdc_power_control(struct atmel_lcdfb_pdata *pdata, int on) |
c42dcb3d AV |
175 | { |
176 | if (on) | |
9a24ee03 | 177 | at91_set_gpio_value(AT91_PIN_PC1, 0); /* power up */ |
c42dcb3d | 178 | else |
9a24ee03 | 179 | at91_set_gpio_value(AT91_PIN_PC1, 1); /* power down */ |
c42dcb3d AV |
180 | } |
181 | ||
182 | /* Driver datas */ | |
8af2c286 | 183 | static struct atmel_lcdfb_pdata __initdata ek_lcdc_data = { |
9a24ee03 | 184 | .lcdcon_is_backlight = true, |
c42dcb3d AV |
185 | .default_bpp = 16, |
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, | |
190 | .guard_time = 1, | |
9a24ee03 | 191 | .lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB, |
c42dcb3d AV |
192 | }; |
193 | ||
194 | #else | |
8af2c286 | 195 | static struct atmel_lcdfb_pdata __initdata ek_lcdc_data; |
c42dcb3d AV |
196 | #endif |
197 | ||
198 | ||
439a3307 NF |
199 | /* |
200 | * AC97 | |
201 | * reset_pin is not connected: NRST | |
202 | */ | |
203 | static struct ac97c_platform_data ek_ac97_data = { | |
63b4c296 | 204 | .reset_pin = -EINVAL, |
439a3307 NF |
205 | }; |
206 | ||
207 | ||
226ddb98 NF |
208 | /* |
209 | * LEDs | |
210 | */ | |
211 | static struct gpio_led ek_leds[] = { | |
212 | { /* "bottom" led, green, userled1 to be defined */ | |
213 | .name = "ds1", | |
214 | .gpio = AT91_PIN_PD15, | |
215 | .active_low = 1, | |
216 | .default_trigger = "none", | |
217 | }, | |
218 | { /* "bottom" led, green, userled2 to be defined */ | |
219 | .name = "ds2", | |
220 | .gpio = AT91_PIN_PD16, | |
221 | .active_low = 1, | |
222 | .default_trigger = "none", | |
223 | }, | |
224 | { /* "power" led, yellow */ | |
225 | .name = "ds3", | |
226 | .gpio = AT91_PIN_PD14, | |
227 | .default_trigger = "heartbeat", | |
228 | } | |
229 | }; | |
230 | ||
231 | ||
3fb07e86 AB |
232 | /* |
233 | * ADC + Touchscreen | |
234 | */ | |
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, | |
238 | .vref = 3300, | |
239 | .touchscreen_type = ATMEL_ADC_TOUCHSCREEN_4WIRE, | |
240 | }; | |
241 | ||
242 | ||
226ddb98 NF |
243 | /* |
244 | * GPIO Buttons | |
245 | */ | |
246 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) | |
247 | static struct gpio_keys_button ek_buttons[] = { | |
248 | { | |
249 | .gpio = AT91_PIN_PB0, | |
250 | .code = BTN_2, | |
251 | .desc = "Right Click", | |
252 | .active_low = 1, | |
253 | .wakeup = 1, | |
254 | }, | |
255 | { | |
256 | .gpio = AT91_PIN_PB1, | |
257 | .code = BTN_1, | |
258 | .desc = "Left Click", | |
259 | .active_low = 1, | |
260 | .wakeup = 1, | |
261 | } | |
262 | }; | |
263 | ||
264 | static struct gpio_keys_platform_data ek_button_data = { | |
265 | .buttons = ek_buttons, | |
266 | .nbuttons = ARRAY_SIZE(ek_buttons), | |
267 | }; | |
268 | ||
269 | static struct platform_device ek_button_device = { | |
270 | .name = "gpio-keys", | |
271 | .id = -1, | |
272 | .num_resources = 0, | |
273 | .dev = { | |
274 | .platform_data = &ek_button_data, | |
275 | } | |
276 | }; | |
277 | ||
278 | static void __init ek_add_device_buttons(void) | |
279 | { | |
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); | |
284 | ||
285 | platform_device_register(&ek_button_device); | |
286 | } | |
287 | #else | |
288 | static void __init ek_add_device_buttons(void) {} | |
289 | #endif | |
290 | ||
291 | ||
c42dcb3d AV |
292 | static void __init ek_board_init(void) |
293 | { | |
e76265c6 MR |
294 | at91_register_devices(); |
295 | ||
c42dcb3d | 296 | /* Serial */ |
71b149b3 JCPV |
297 | /* DBGU on ttyS0. (Rx & Tx only) */ |
298 | at91_register_uart(0, 0, 0); | |
299 | ||
300 | /* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */ | |
301 | at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS); | |
c42dcb3d | 302 | at91_add_device_serial(); |
ba45ca43 NF |
303 | /* USB HS */ |
304 | at91_add_device_usba(&ek_usba_udc_data); | |
c42dcb3d | 305 | /* I2C */ |
f230d3f5 | 306 | at91_add_device_i2c(NULL, 0); |
c42dcb3d | 307 | /* NAND */ |
8cdae51a | 308 | ek_add_device_nand(); |
c42dcb3d AV |
309 | /* SPI */ |
310 | at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices)); | |
311 | /* MMC */ | |
4cf3326a | 312 | at91_add_device_mci(0, &mci0_data); |
c42dcb3d AV |
313 | /* LCD Controller */ |
314 | at91_add_device_lcdc(&ek_lcdc_data); | |
439a3307 NF |
315 | /* AC97 */ |
316 | at91_add_device_ac97(&ek_ac97_data); | |
3fb07e86 AB |
317 | /* Touch Screen Controller + ADC */ |
318 | at91_add_device_adc(&ek_adc_data); | |
226ddb98 NF |
319 | /* LEDs */ |
320 | at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds)); | |
321 | /* Push Buttons */ | |
322 | ek_add_device_buttons(); | |
c42dcb3d AV |
323 | } |
324 | ||
325 | MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK") | |
326 | /* Maintainer: Atmel */ | |
0f391f18 | 327 | .init_time = at91_init_time, |
21d08b9d | 328 | .map_io = at91_map_io, |
3e135466 | 329 | .handle_irq = at91_aic_handle_irq, |
1b021a3b | 330 | .init_early = ek_init_early, |
92100c12 | 331 | .init_irq = at91_init_irq_default, |
c42dcb3d AV |
332 | .init_machine = ek_board_init, |
333 | MACHINE_END |