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49265651 NK |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-ldp.c | |
3 | * | |
4 | * Copyright (C) 2008 Texas Instruments Inc. | |
5 | * Nishant Kamat <nskamat@ti.com> | |
6 | * | |
7 | * Modified from mach-omap2/board-3430sdp.c | |
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 version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/kernel.h> | |
15 | #include <linux/init.h> | |
16 | #include <linux/platform_device.h> | |
17 | #include <linux/delay.h> | |
18 | #include <linux/input.h> | |
6135434a | 19 | #include <linux/input/matrix_keypad.h> |
4a899d5e | 20 | #include <linux/gpio_keys.h> |
49265651 NK |
21 | #include <linux/workqueue.h> |
22 | #include <linux/err.h> | |
23 | #include <linux/clk.h> | |
24 | #include <linux/spi/spi.h> | |
25 | #include <linux/spi/ads7846.h> | |
4a899d5e | 26 | #include <linux/regulator/machine.h> |
b07682b6 | 27 | #include <linux/i2c/twl.h> |
99730225 | 28 | #include <linux/io.h> |
1c0e147e | 29 | #include <linux/smsc911x.h> |
3a63833e | 30 | #include <linux/mmc/host.h> |
49265651 NK |
31 | |
32 | #include <mach/hardware.h> | |
33 | #include <asm/mach-types.h> | |
34 | #include <asm/mach/arch.h> | |
35 | #include <asm/mach/map.h> | |
36 | ||
ce491cf8 | 37 | #include <plat/mcspi.h> |
49265651 | 38 | #include <mach/gpio.h> |
ce491cf8 TL |
39 | #include <plat/board.h> |
40 | #include <plat/common.h> | |
41 | #include <plat/gpmc.h> | |
2430f9df | 42 | #include <mach/board-zoom.h> |
49265651 | 43 | |
49265651 | 44 | #include <asm/delay.h> |
ce491cf8 | 45 | #include <plat/usb.h> |
49265651 | 46 | |
04aeae77 | 47 | #include "board-flash.h" |
ca5742bd | 48 | #include "mux.h" |
d02a900b | 49 | #include "hsmmc.h" |
4814ced5 | 50 | #include "control.h" |
90c62bf0 | 51 | |
1c0e147e SG |
52 | #define LDP_SMSC911X_CS 1 |
53 | #define LDP_SMSC911X_GPIO 152 | |
ec7558a6 TL |
54 | #define DEBUG_BASE 0x08000000 |
55 | #define LDP_ETHR_START DEBUG_BASE | |
b1c056d2 | 56 | |
1c0e147e | 57 | static struct resource ldp_smsc911x_resources[] = { |
b1c056d2 | 58 | [0] = { |
ec7558a6 TL |
59 | .start = LDP_ETHR_START, |
60 | .end = LDP_ETHR_START + SZ_4K, | |
b1c056d2 SM |
61 | .flags = IORESOURCE_MEM, |
62 | }, | |
63 | [1] = { | |
64 | .start = 0, | |
65 | .end = 0, | |
66 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | |
67 | }, | |
68 | }; | |
69 | ||
1c0e147e SG |
70 | static struct smsc911x_platform_config ldp_smsc911x_config = { |
71 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
72 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
73 | .flags = SMSC911X_USE_32BIT, | |
74 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
75 | }; | |
76 | ||
77 | static struct platform_device ldp_smsc911x_device = { | |
78 | .name = "smsc911x", | |
b1c056d2 | 79 | .id = -1, |
1c0e147e SG |
80 | .num_resources = ARRAY_SIZE(ldp_smsc911x_resources), |
81 | .resource = ldp_smsc911x_resources, | |
82 | .dev = { | |
83 | .platform_data = &ldp_smsc911x_config, | |
84 | }, | |
b1c056d2 SM |
85 | }; |
86 | ||
bead4375 | 87 | static uint32_t board_keymap[] = { |
4a899d5e TL |
88 | KEY(0, 0, KEY_1), |
89 | KEY(1, 0, KEY_2), | |
90 | KEY(2, 0, KEY_3), | |
91 | KEY(0, 1, KEY_4), | |
92 | KEY(1, 1, KEY_5), | |
93 | KEY(2, 1, KEY_6), | |
94 | KEY(3, 1, KEY_F5), | |
95 | KEY(0, 2, KEY_7), | |
96 | KEY(1, 2, KEY_8), | |
97 | KEY(2, 2, KEY_9), | |
98 | KEY(3, 2, KEY_F6), | |
99 | KEY(0, 3, KEY_F7), | |
100 | KEY(1, 3, KEY_0), | |
101 | KEY(2, 3, KEY_F8), | |
102 | PERSISTENT_KEY(4, 5), | |
103 | KEY(4, 4, KEY_VOLUMEUP), | |
104 | KEY(5, 5, KEY_VOLUMEDOWN), | |
105 | 0 | |
106 | }; | |
107 | ||
4f543332 TL |
108 | static struct matrix_keymap_data board_map_data = { |
109 | .keymap = board_keymap, | |
110 | .keymap_size = ARRAY_SIZE(board_keymap), | |
111 | }; | |
112 | ||
4a899d5e | 113 | static struct twl4030_keypad_data ldp_kp_twl4030_data = { |
4f543332 | 114 | .keymap_data = &board_map_data, |
4a899d5e TL |
115 | .rows = 6, |
116 | .cols = 6, | |
4a899d5e TL |
117 | .rep = 1, |
118 | }; | |
119 | ||
120 | static struct gpio_keys_button ldp_gpio_keys_buttons[] = { | |
121 | [0] = { | |
122 | .code = KEY_ENTER, | |
123 | .gpio = 101, | |
124 | .desc = "enter sw", | |
125 | .active_low = 1, | |
126 | .debounce_interval = 30, | |
127 | }, | |
128 | [1] = { | |
129 | .code = KEY_F1, | |
130 | .gpio = 102, | |
131 | .desc = "func 1", | |
132 | .active_low = 1, | |
133 | .debounce_interval = 30, | |
134 | }, | |
135 | [2] = { | |
136 | .code = KEY_F2, | |
137 | .gpio = 103, | |
138 | .desc = "func 2", | |
139 | .active_low = 1, | |
140 | .debounce_interval = 30, | |
141 | }, | |
142 | [3] = { | |
143 | .code = KEY_F3, | |
144 | .gpio = 104, | |
145 | .desc = "func 3", | |
146 | .active_low = 1, | |
147 | .debounce_interval = 30, | |
148 | }, | |
149 | [4] = { | |
150 | .code = KEY_F4, | |
151 | .gpio = 105, | |
152 | .desc = "func 4", | |
153 | .active_low = 1, | |
154 | .debounce_interval = 30, | |
155 | }, | |
156 | [5] = { | |
157 | .code = KEY_LEFT, | |
158 | .gpio = 106, | |
159 | .desc = "left sw", | |
160 | .active_low = 1, | |
161 | .debounce_interval = 30, | |
162 | }, | |
163 | [6] = { | |
164 | .code = KEY_RIGHT, | |
165 | .gpio = 107, | |
166 | .desc = "right sw", | |
167 | .active_low = 1, | |
168 | .debounce_interval = 30, | |
169 | }, | |
170 | [7] = { | |
171 | .code = KEY_UP, | |
172 | .gpio = 108, | |
173 | .desc = "up sw", | |
174 | .active_low = 1, | |
175 | .debounce_interval = 30, | |
176 | }, | |
177 | [8] = { | |
178 | .code = KEY_DOWN, | |
179 | .gpio = 109, | |
180 | .desc = "down sw", | |
181 | .active_low = 1, | |
182 | .debounce_interval = 30, | |
183 | }, | |
184 | }; | |
185 | ||
186 | static struct gpio_keys_platform_data ldp_gpio_keys = { | |
187 | .buttons = ldp_gpio_keys_buttons, | |
188 | .nbuttons = ARRAY_SIZE(ldp_gpio_keys_buttons), | |
189 | .rep = 1, | |
190 | }; | |
191 | ||
192 | static struct platform_device ldp_gpio_keys_device = { | |
193 | .name = "gpio-keys", | |
194 | .id = -1, | |
195 | .dev = { | |
196 | .platform_data = &ldp_gpio_keys, | |
197 | }, | |
198 | }; | |
199 | ||
200 | static int ts_gpio; | |
201 | ||
202 | /** | |
203 | * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq | |
204 | * | |
205 | * @return - void. If request gpio fails then Flag KERN_ERR. | |
206 | */ | |
207 | static void ads7846_dev_init(void) | |
208 | { | |
209 | if (gpio_request(ts_gpio, "ads7846 irq") < 0) { | |
210 | printk(KERN_ERR "can't get ads746 pen down GPIO\n"); | |
211 | return; | |
212 | } | |
213 | ||
214 | gpio_direction_input(ts_gpio); | |
48feb337 | 215 | gpio_set_debounce(ts_gpio, 310); |
4a899d5e TL |
216 | } |
217 | ||
218 | static int ads7846_get_pendown_state(void) | |
219 | { | |
220 | return !gpio_get_value(ts_gpio); | |
221 | } | |
222 | ||
223 | static struct ads7846_platform_data tsc2046_config __initdata = { | |
224 | .get_pendown_state = ads7846_get_pendown_state, | |
225 | .keep_vref_on = 1, | |
226 | }; | |
227 | ||
228 | static struct omap2_mcspi_device_config tsc2046_mcspi_config = { | |
229 | .turbo_mode = 0, | |
230 | .single_channel = 1, /* 0: slave, 1: master */ | |
231 | }; | |
232 | ||
233 | static struct spi_board_info ldp_spi_board_info[] __initdata = { | |
234 | [0] = { | |
235 | /* | |
236 | * TSC2046 operates at a max freqency of 2MHz, so | |
237 | * operate slightly below at 1.5MHz | |
238 | */ | |
239 | .modalias = "ads7846", | |
240 | .bus_num = 1, | |
241 | .chip_select = 0, | |
242 | .max_speed_hz = 1500000, | |
243 | .controller_data = &tsc2046_mcspi_config, | |
244 | .irq = 0, | |
245 | .platform_data = &tsc2046_config, | |
246 | }, | |
247 | }; | |
248 | ||
1c0e147e | 249 | static inline void __init ldp_init_smsc911x(void) |
b1c056d2 SM |
250 | { |
251 | int eth_cs; | |
252 | unsigned long cs_mem_base; | |
253 | int eth_gpio = 0; | |
254 | ||
1c0e147e | 255 | eth_cs = LDP_SMSC911X_CS; |
b1c056d2 SM |
256 | |
257 | if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) { | |
1c0e147e | 258 | printk(KERN_ERR "Failed to request GPMC mem for smsc911x\n"); |
b1c056d2 SM |
259 | return; |
260 | } | |
261 | ||
1c0e147e SG |
262 | ldp_smsc911x_resources[0].start = cs_mem_base + 0x0; |
263 | ldp_smsc911x_resources[0].end = cs_mem_base + 0xff; | |
b1c056d2 SM |
264 | udelay(100); |
265 | ||
1c0e147e | 266 | eth_gpio = LDP_SMSC911X_GPIO; |
b1c056d2 | 267 | |
1c0e147e | 268 | ldp_smsc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio); |
b1c056d2 | 269 | |
1c0e147e SG |
270 | if (gpio_request(eth_gpio, "smsc911x irq") < 0) { |
271 | printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n", | |
b1c056d2 SM |
272 | eth_gpio); |
273 | return; | |
274 | } | |
275 | gpio_direction_input(eth_gpio); | |
276 | } | |
277 | ||
49adf465 ID |
278 | static struct platform_device ldp_lcd_device = { |
279 | .name = "ldp_lcd", | |
280 | .id = -1, | |
281 | }; | |
282 | ||
283 | static struct omap_lcd_config ldp_lcd_config __initdata = { | |
284 | .ctrl_name = "internal", | |
285 | }; | |
286 | ||
49265651 | 287 | static struct omap_board_config_kernel ldp_config[] __initdata = { |
49adf465 | 288 | { OMAP_TAG_LCD, &ldp_lcd_config }, |
49265651 NK |
289 | }; |
290 | ||
3dc3bad6 | 291 | static void __init omap_ldp_init_early(void) |
b3c6df3a PW |
292 | { |
293 | omap_board_config = ldp_config; | |
294 | omap_board_config_size = ARRAY_SIZE(ldp_config); | |
4805734b PW |
295 | omap2_init_common_infrastructure(); |
296 | omap2_init_common_devices(NULL, NULL); | |
b3c6df3a PW |
297 | } |
298 | ||
4a899d5e TL |
299 | static struct twl4030_usb_data ldp_usb_data = { |
300 | .usb_mode = T2_USB_MODE_ULPI, | |
301 | }; | |
302 | ||
90c62bf0 TL |
303 | static struct twl4030_gpio_platform_data ldp_gpio_data = { |
304 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
305 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
306 | .irq_end = TWL4030_GPIO_IRQ_END, | |
307 | }; | |
308 | ||
4a899d5e TL |
309 | static struct twl4030_madc_platform_data ldp_madc_data = { |
310 | .irq_line = 1, | |
311 | }; | |
312 | ||
313 | static struct regulator_consumer_supply ldp_vmmc1_supply = { | |
314 | .supply = "vmmc", | |
315 | }; | |
316 | ||
317 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
318 | static struct regulator_init_data ldp_vmmc1 = { | |
319 | .constraints = { | |
320 | .min_uV = 1850000, | |
321 | .max_uV = 3150000, | |
322 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
323 | | REGULATOR_MODE_STANDBY, | |
324 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
325 | | REGULATOR_CHANGE_MODE | |
326 | | REGULATOR_CHANGE_STATUS, | |
327 | }, | |
328 | .num_consumer_supplies = 1, | |
329 | .consumer_supplies = &ldp_vmmc1_supply, | |
330 | }; | |
331 | ||
90c62bf0 TL |
332 | static struct twl4030_platform_data ldp_twldata = { |
333 | .irq_base = TWL4030_IRQ_BASE, | |
334 | .irq_end = TWL4030_IRQ_END, | |
335 | ||
336 | /* platform_data for children goes here */ | |
4a899d5e TL |
337 | .madc = &ldp_madc_data, |
338 | .usb = &ldp_usb_data, | |
339 | .vmmc1 = &ldp_vmmc1, | |
90c62bf0 | 340 | .gpio = &ldp_gpio_data, |
4a899d5e | 341 | .keypad = &ldp_kp_twl4030_data, |
90c62bf0 TL |
342 | }; |
343 | ||
344 | static struct i2c_board_info __initdata ldp_i2c_boardinfo[] = { | |
345 | { | |
346 | I2C_BOARD_INFO("twl4030", 0x48), | |
347 | .flags = I2C_CLIENT_WAKE, | |
348 | .irq = INT_34XX_SYS_NIRQ, | |
349 | .platform_data = &ldp_twldata, | |
350 | }, | |
351 | }; | |
352 | ||
49265651 NK |
353 | static int __init omap_i2c_init(void) |
354 | { | |
90c62bf0 TL |
355 | omap_register_i2c_bus(1, 2600, ldp_i2c_boardinfo, |
356 | ARRAY_SIZE(ldp_i2c_boardinfo)); | |
49265651 NK |
357 | omap_register_i2c_bus(2, 400, NULL, 0); |
358 | omap_register_i2c_bus(3, 400, NULL, 0); | |
359 | return 0; | |
360 | } | |
361 | ||
68ff0423 | 362 | static struct omap2_hsmmc_info mmc[] __initdata = { |
90c62bf0 TL |
363 | { |
364 | .mmc = 1, | |
3a63833e | 365 | .caps = MMC_CAP_4_BIT_DATA, |
90c62bf0 TL |
366 | .gpio_cd = -EINVAL, |
367 | .gpio_wp = -EINVAL, | |
368 | }, | |
369 | {} /* Terminator */ | |
370 | }; | |
371 | ||
49adf465 ID |
372 | static struct platform_device *ldp_devices[] __initdata = { |
373 | &ldp_smsc911x_device, | |
374 | &ldp_lcd_device, | |
4a899d5e | 375 | &ldp_gpio_keys_device, |
49adf465 ID |
376 | }; |
377 | ||
ca5742bd TL |
378 | #ifdef CONFIG_OMAP_MUX |
379 | static struct omap_board_mux board_mux[] __initdata = { | |
380 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
381 | }; | |
ca5742bd TL |
382 | #endif |
383 | ||
884b8369 MM |
384 | static struct omap_musb_board_data musb_board_data = { |
385 | .interface_type = MUSB_INTERFACE_ULPI, | |
386 | .mode = MUSB_OTG, | |
387 | .power = 100, | |
388 | }; | |
389 | ||
2430f9df SG |
390 | static struct mtd_partition ldp_nand_partitions[] = { |
391 | /* All the partition sizes are listed in terms of NAND block size */ | |
392 | { | |
393 | .name = "X-Loader-NAND", | |
394 | .offset = 0, | |
395 | .size = 4 * (64 * 2048), /* 512KB, 0x80000 */ | |
396 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
397 | }, | |
398 | { | |
399 | .name = "U-Boot-NAND", | |
400 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
401 | .size = 10 * (64 * 2048), /* 1.25MB, 0x140000 */ | |
402 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
403 | }, | |
404 | { | |
405 | .name = "Boot Env-NAND", | |
406 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x1c0000 */ | |
407 | .size = 2 * (64 * 2048), /* 256KB, 0x40000 */ | |
408 | }, | |
409 | { | |
410 | .name = "Kernel-NAND", | |
411 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x0200000*/ | |
412 | .size = 240 * (64 * 2048), /* 30M, 0x1E00000 */ | |
413 | }, | |
414 | { | |
415 | .name = "File System - NAND", | |
416 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x2000000 */ | |
417 | .size = MTDPART_SIZ_FULL, /* 96MB, 0x6000000 */ | |
418 | }, | |
419 | ||
420 | }; | |
421 | ||
49265651 NK |
422 | static void __init omap_ldp_init(void) |
423 | { | |
ca5742bd | 424 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
c2cdaffe | 425 | ldp_init_smsc911x(); |
49265651 | 426 | omap_i2c_init(); |
b1c056d2 | 427 | platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices)); |
4a899d5e TL |
428 | ts_gpio = 54; |
429 | ldp_spi_board_info[0].irq = gpio_to_irq(ts_gpio); | |
430 | spi_register_board_info(ldp_spi_board_info, | |
431 | ARRAY_SIZE(ldp_spi_board_info)); | |
432 | ads7846_dev_init(); | |
49265651 | 433 | omap_serial_init(); |
884b8369 | 434 | usb_musb_init(&musb_board_data); |
2430f9df SG |
435 | board_nand_init(ldp_nand_partitions, |
436 | ARRAY_SIZE(ldp_nand_partitions), ZOOM_NAND_CS); | |
4a899d5e | 437 | |
68ff0423 | 438 | omap2_hsmmc_init(mmc); |
4a899d5e TL |
439 | /* link regulators to MMC adapters */ |
440 | ldp_vmmc1_supply.dev = mmc[0].dev; | |
49265651 NK |
441 | } |
442 | ||
49265651 | 443 | MACHINE_START(OMAP_LDP, "OMAP LDP board") |
49265651 | 444 | .boot_params = 0x80000100, |
71ee7dad | 445 | .reserve = omap_reserve, |
3dc3bad6 RKAL |
446 | .map_io = omap3_map_io, |
447 | .init_early = omap_ldp_init_early, | |
448 | .init_irq = omap_init_irq, | |
49265651 NK |
449 | .init_machine = omap_ldp_init, |
450 | .timer = &omap_timer, | |
451 | MACHINE_END |