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2886d128 MR |
1 | /* |
2 | * board-cm-t35.c (CompuLab CM-T35 module) | |
3 | * | |
4 | * Copyright (C) 2009 CompuLab, Ltd. | |
5 | * Author: Mike Rapoport <mike@compulab.co.il> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * version 2 as published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but | |
12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | * General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
19 | * 02110-1301 USA | |
20 | * | |
21 | */ | |
22 | ||
23 | #include <linux/kernel.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/platform_device.h> | |
26 | #include <linux/input.h> | |
27 | #include <linux/input/matrix_keypad.h> | |
28 | #include <linux/delay.h> | |
29 | #include <linux/gpio.h> | |
30 | ||
31 | #include <linux/i2c/at24.h> | |
32 | #include <linux/i2c/twl4030.h> | |
33 | #include <linux/regulator/machine.h> | |
34 | ||
35 | #include <asm/mach-types.h> | |
36 | #include <asm/mach/arch.h> | |
37 | #include <asm/mach/map.h> | |
38 | ||
39 | #include <plat/board.h> | |
40 | #include <plat/common.h> | |
2886d128 MR |
41 | #include <plat/nand.h> |
42 | #include <plat/gpmc.h> | |
43 | #include <plat/usb.h> | |
44 | ||
45 | #include <mach/hardware.h> | |
46 | ||
ca5742bd | 47 | #include "mux.h" |
2886d128 MR |
48 | #include "sdram-micron-mt46h32m32lf-6.h" |
49 | #include "mmc-twl4030.h" | |
50 | ||
51 | #define CM_T35_GPIO_PENDOWN 57 | |
52 | ||
53 | #define CM_T35_SMSC911X_CS 5 | |
54 | #define CM_T35_SMSC911X_GPIO 163 | |
55 | #define SB_T35_SMSC911X_CS 4 | |
56 | #define SB_T35_SMSC911X_GPIO 65 | |
57 | ||
58 | #define NAND_BLOCK_SIZE SZ_128K | |
59 | #define GPMC_CS0_BASE 0x60 | |
60 | #define GPMC_CS0_BASE_ADDR (OMAP34XX_GPMC_VIRT + GPMC_CS0_BASE) | |
61 | ||
62 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) | |
63 | #include <linux/smsc911x.h> | |
64 | ||
65 | static struct smsc911x_platform_config cm_t35_smsc911x_config = { | |
66 | .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, | |
67 | .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, | |
68 | .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS, | |
69 | .phy_interface = PHY_INTERFACE_MODE_MII, | |
70 | }; | |
71 | ||
72 | static struct resource cm_t35_smsc911x_resources[] = { | |
73 | { | |
74 | .flags = IORESOURCE_MEM, | |
75 | }, | |
76 | { | |
77 | .start = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO), | |
78 | .end = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO), | |
79 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | |
80 | }, | |
81 | }; | |
82 | ||
83 | static struct platform_device cm_t35_smsc911x_device = { | |
84 | .name = "smsc911x", | |
85 | .id = 0, | |
86 | .num_resources = ARRAY_SIZE(cm_t35_smsc911x_resources), | |
87 | .resource = cm_t35_smsc911x_resources, | |
88 | .dev = { | |
89 | .platform_data = &cm_t35_smsc911x_config, | |
90 | }, | |
91 | }; | |
92 | ||
93 | static struct resource sb_t35_smsc911x_resources[] = { | |
94 | { | |
95 | .flags = IORESOURCE_MEM, | |
96 | }, | |
97 | { | |
98 | .start = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO), | |
99 | .end = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO), | |
100 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL, | |
101 | }, | |
102 | }; | |
103 | ||
104 | static struct platform_device sb_t35_smsc911x_device = { | |
105 | .name = "smsc911x", | |
106 | .id = 1, | |
107 | .num_resources = ARRAY_SIZE(sb_t35_smsc911x_resources), | |
108 | .resource = sb_t35_smsc911x_resources, | |
109 | .dev = { | |
110 | .platform_data = &cm_t35_smsc911x_config, | |
111 | }, | |
112 | }; | |
113 | ||
114 | static void __init cm_t35_init_smsc911x(struct platform_device *dev, | |
115 | int cs, int irq_gpio) | |
116 | { | |
117 | unsigned long cs_mem_base; | |
118 | ||
119 | if (gpmc_cs_request(cs, SZ_16M, &cs_mem_base) < 0) { | |
120 | pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n"); | |
121 | return; | |
122 | } | |
123 | ||
124 | dev->resource[0].start = cs_mem_base + 0x0; | |
125 | dev->resource[0].end = cs_mem_base + 0xff; | |
126 | ||
127 | if ((gpio_request(irq_gpio, "ETH IRQ") == 0) && | |
128 | (gpio_direction_input(irq_gpio) == 0)) { | |
129 | gpio_export(irq_gpio, 0); | |
130 | } else { | |
131 | pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n"); | |
132 | return; | |
133 | } | |
134 | ||
135 | platform_device_register(dev); | |
136 | } | |
137 | ||
138 | static void __init cm_t35_init_ethernet(void) | |
139 | { | |
140 | cm_t35_init_smsc911x(&cm_t35_smsc911x_device, | |
141 | CM_T35_SMSC911X_CS, CM_T35_SMSC911X_GPIO); | |
142 | cm_t35_init_smsc911x(&sb_t35_smsc911x_device, | |
143 | SB_T35_SMSC911X_CS, SB_T35_SMSC911X_GPIO); | |
144 | } | |
145 | #else | |
146 | static inline void __init cm_t35_init_ethernet(void) { return; } | |
147 | #endif | |
148 | ||
149 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) | |
150 | #include <linux/leds.h> | |
151 | ||
152 | static struct gpio_led cm_t35_leds[] = { | |
153 | [0] = { | |
154 | .gpio = 186, | |
155 | .name = "cm-t35:green", | |
156 | .default_trigger = "heartbeat", | |
157 | .active_low = 0, | |
158 | }, | |
159 | }; | |
160 | ||
161 | static struct gpio_led_platform_data cm_t35_led_pdata = { | |
162 | .num_leds = ARRAY_SIZE(cm_t35_leds), | |
163 | .leds = cm_t35_leds, | |
164 | }; | |
165 | ||
166 | static struct platform_device cm_t35_led_device = { | |
167 | .name = "leds-gpio", | |
168 | .id = -1, | |
169 | .dev = { | |
170 | .platform_data = &cm_t35_led_pdata, | |
171 | }, | |
172 | }; | |
173 | ||
174 | static void __init cm_t35_init_led(void) | |
175 | { | |
176 | platform_device_register(&cm_t35_led_device); | |
177 | } | |
178 | #else | |
179 | static inline void cm_t35_init_led(void) {} | |
180 | #endif | |
181 | ||
182 | #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE) | |
183 | #include <linux/mtd/mtd.h> | |
184 | #include <linux/mtd/nand.h> | |
185 | #include <linux/mtd/partitions.h> | |
186 | ||
187 | static struct mtd_partition cm_t35_nand_partitions[] = { | |
188 | { | |
189 | .name = "xloader", | |
190 | .offset = 0, /* Offset = 0x00000 */ | |
191 | .size = 4 * NAND_BLOCK_SIZE, | |
192 | .mask_flags = MTD_WRITEABLE | |
193 | }, | |
194 | { | |
195 | .name = "uboot", | |
196 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
197 | .size = 15 * NAND_BLOCK_SIZE, | |
198 | }, | |
199 | { | |
200 | .name = "uboot environment", | |
201 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ | |
202 | .size = 2 * NAND_BLOCK_SIZE, | |
203 | }, | |
204 | { | |
205 | .name = "linux", | |
206 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ | |
207 | .size = 32 * NAND_BLOCK_SIZE, | |
208 | }, | |
209 | { | |
210 | .name = "rootfs", | |
211 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ | |
212 | .size = MTDPART_SIZ_FULL, | |
213 | }, | |
214 | }; | |
215 | ||
216 | static struct omap_nand_platform_data cm_t35_nand_data = { | |
217 | .parts = cm_t35_nand_partitions, | |
218 | .nr_parts = ARRAY_SIZE(cm_t35_nand_partitions), | |
219 | .dma_channel = -1, /* disable DMA in OMAP NAND driver */ | |
220 | .cs = 0, | |
221 | .gpmc_cs_baseaddr = (void __iomem *)GPMC_CS0_BASE_ADDR, | |
222 | .gpmc_baseaddr = (void __iomem *)OMAP34XX_GPMC_VIRT, | |
223 | ||
224 | }; | |
225 | ||
226 | static struct resource cm_t35_nand_resource = { | |
227 | .flags = IORESOURCE_MEM, | |
228 | }; | |
229 | ||
230 | static struct platform_device cm_t35_nand_device = { | |
231 | .name = "omap2-nand", | |
232 | .id = -1, | |
233 | .num_resources = 1, | |
234 | .resource = &cm_t35_nand_resource, | |
235 | .dev = { | |
236 | .platform_data = &cm_t35_nand_data, | |
237 | }, | |
238 | }; | |
239 | ||
240 | static void __init cm_t35_init_nand(void) | |
241 | { | |
242 | if (platform_device_register(&cm_t35_nand_device) < 0) | |
243 | pr_err("CM-T35: Unable to register NAND device\n"); | |
244 | } | |
245 | #else | |
246 | static inline void cm_t35_init_nand(void) {} | |
247 | #endif | |
248 | ||
249 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ | |
250 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) | |
251 | #include <linux/spi/spi.h> | |
252 | #include <linux/spi/ads7846.h> | |
253 | ||
254 | #include <plat/mcspi.h> | |
255 | ||
256 | static struct omap2_mcspi_device_config ads7846_mcspi_config = { | |
257 | .turbo_mode = 0, | |
258 | .single_channel = 1, /* 0: slave, 1: master */ | |
259 | }; | |
260 | ||
261 | static int ads7846_get_pendown_state(void) | |
262 | { | |
263 | return !gpio_get_value(CM_T35_GPIO_PENDOWN); | |
264 | } | |
265 | ||
266 | static struct ads7846_platform_data ads7846_config = { | |
267 | .x_max = 0x0fff, | |
268 | .y_max = 0x0fff, | |
269 | .x_plate_ohms = 180, | |
270 | .pressure_max = 255, | |
271 | .debounce_max = 10, | |
272 | .debounce_tol = 3, | |
273 | .debounce_rep = 1, | |
274 | .get_pendown_state = ads7846_get_pendown_state, | |
275 | .keep_vref_on = 1, | |
276 | }; | |
277 | ||
278 | static struct spi_board_info cm_t35_spi_board_info[] __initdata = { | |
279 | { | |
280 | .modalias = "ads7846", | |
281 | .bus_num = 1, | |
282 | .chip_select = 0, | |
283 | .max_speed_hz = 1500000, | |
284 | .controller_data = &ads7846_mcspi_config, | |
285 | .irq = OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN), | |
286 | .platform_data = &ads7846_config, | |
287 | }, | |
288 | }; | |
289 | ||
290 | static void __init cm_t35_init_ads7846(void) | |
291 | { | |
292 | if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) && | |
293 | (gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) { | |
294 | gpio_export(CM_T35_GPIO_PENDOWN, 0); | |
295 | } else { | |
296 | pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n"); | |
297 | return; | |
298 | } | |
299 | ||
300 | spi_register_board_info(cm_t35_spi_board_info, | |
301 | ARRAY_SIZE(cm_t35_spi_board_info)); | |
302 | } | |
303 | #else | |
304 | static inline void cm_t35_init_ads7846(void) {} | |
305 | #endif | |
306 | ||
307 | static struct regulator_consumer_supply cm_t35_vmmc1_supply = { | |
308 | .supply = "vmmc", | |
309 | }; | |
310 | ||
311 | static struct regulator_consumer_supply cm_t35_vsim_supply = { | |
312 | .supply = "vmmc_aux", | |
313 | }; | |
314 | ||
315 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
316 | static struct regulator_init_data cm_t35_vmmc1 = { | |
317 | .constraints = { | |
318 | .min_uV = 1850000, | |
319 | .max_uV = 3150000, | |
320 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
321 | | REGULATOR_MODE_STANDBY, | |
322 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
323 | | REGULATOR_CHANGE_MODE | |
324 | | REGULATOR_CHANGE_STATUS, | |
325 | }, | |
326 | .num_consumer_supplies = 1, | |
327 | .consumer_supplies = &cm_t35_vmmc1_supply, | |
328 | }; | |
329 | ||
330 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ | |
331 | static struct regulator_init_data cm_t35_vsim = { | |
332 | .constraints = { | |
333 | .min_uV = 1800000, | |
334 | .max_uV = 3000000, | |
335 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
336 | | REGULATOR_MODE_STANDBY, | |
337 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
338 | | REGULATOR_CHANGE_MODE | |
339 | | REGULATOR_CHANGE_STATUS, | |
340 | }, | |
341 | .num_consumer_supplies = 1, | |
342 | .consumer_supplies = &cm_t35_vsim_supply, | |
343 | }; | |
344 | ||
345 | static struct twl4030_usb_data cm_t35_usb_data = { | |
346 | .usb_mode = T2_USB_MODE_ULPI, | |
347 | }; | |
348 | ||
349 | static int cm_t35_keymap[] = { | |
350 | KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_LEFT), | |
351 | KEY(1, 0, KEY_UP), KEY(1, 1, KEY_ENTER), KEY(1, 2, KEY_DOWN), | |
352 | KEY(2, 0, KEY_RIGHT), KEY(2, 1, KEY_C), KEY(2, 2, KEY_D), | |
353 | }; | |
354 | ||
355 | static struct matrix_keymap_data cm_t35_keymap_data = { | |
356 | .keymap = cm_t35_keymap, | |
357 | .keymap_size = ARRAY_SIZE(cm_t35_keymap), | |
358 | }; | |
359 | ||
360 | static struct twl4030_keypad_data cm_t35_kp_data = { | |
361 | .keymap_data = &cm_t35_keymap_data, | |
362 | .rows = 3, | |
363 | .cols = 3, | |
364 | .rep = 1, | |
365 | }; | |
366 | ||
367 | static struct twl4030_hsmmc_info mmc[] = { | |
368 | { | |
369 | .mmc = 1, | |
370 | .wires = 4, | |
371 | .gpio_cd = -EINVAL, | |
372 | .gpio_wp = -EINVAL, | |
373 | ||
374 | }, | |
375 | { | |
376 | .mmc = 2, | |
377 | .wires = 4, | |
378 | .transceiver = 1, | |
379 | .gpio_cd = -EINVAL, | |
380 | .gpio_wp = -EINVAL, | |
381 | .ocr_mask = 0x00100000, /* 3.3V */ | |
382 | }, | |
383 | {} /* Terminator */ | |
384 | }; | |
385 | ||
386 | static struct ehci_hcd_omap_platform_data ehci_pdata = { | |
387 | .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY, | |
388 | .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, | |
389 | .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, | |
390 | ||
391 | .phy_reset = true, | |
392 | .reset_gpio_port[0] = -EINVAL, | |
393 | .reset_gpio_port[1] = -EINVAL, | |
394 | .reset_gpio_port[2] = -EINVAL | |
395 | }; | |
396 | ||
397 | static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio, | |
398 | unsigned ngpio) | |
399 | { | |
400 | int wlan_rst = gpio + 2; | |
401 | ||
402 | if ((gpio_request(wlan_rst, "WLAN RST") == 0) && | |
403 | (gpio_direction_output(wlan_rst, 1) == 0)) { | |
404 | gpio_export(wlan_rst, 0); | |
405 | ||
406 | udelay(10); | |
407 | gpio_set_value(wlan_rst, 0); | |
408 | udelay(10); | |
409 | gpio_set_value(wlan_rst, 1); | |
410 | } else { | |
411 | pr_err("CM-T35: could not obtain gpio for WiFi reset\n"); | |
412 | } | |
413 | ||
414 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ | |
415 | mmc[0].gpio_cd = gpio + 0; | |
416 | twl4030_mmc_init(mmc); | |
417 | ||
418 | /* link regulators to MMC adapters */ | |
419 | cm_t35_vmmc1_supply.dev = mmc[0].dev; | |
420 | cm_t35_vsim_supply.dev = mmc[0].dev; | |
421 | ||
422 | /* setup USB with proper PHY reset GPIOs */ | |
423 | ehci_pdata.reset_gpio_port[0] = gpio + 6; | |
424 | ehci_pdata.reset_gpio_port[1] = gpio + 7; | |
425 | ||
426 | usb_ehci_init(&ehci_pdata); | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
431 | static struct twl4030_gpio_platform_data cm_t35_gpio_data = { | |
432 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
433 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
434 | .irq_end = TWL4030_GPIO_IRQ_END, | |
435 | .setup = cm_t35_twl_gpio_setup, | |
436 | }; | |
437 | ||
438 | static struct twl4030_platform_data cm_t35_twldata = { | |
439 | .irq_base = TWL4030_IRQ_BASE, | |
440 | .irq_end = TWL4030_IRQ_END, | |
441 | ||
442 | /* platform_data for children goes here */ | |
443 | .keypad = &cm_t35_kp_data, | |
444 | .usb = &cm_t35_usb_data, | |
445 | .gpio = &cm_t35_gpio_data, | |
446 | .vmmc1 = &cm_t35_vmmc1, | |
447 | .vsim = &cm_t35_vsim, | |
448 | }; | |
449 | ||
450 | static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = { | |
451 | { | |
452 | I2C_BOARD_INFO("tps65930", 0x48), | |
453 | .flags = I2C_CLIENT_WAKE, | |
454 | .irq = INT_34XX_SYS_NIRQ, | |
455 | .platform_data = &cm_t35_twldata, | |
456 | }, | |
457 | }; | |
458 | ||
459 | static void __init cm_t35_init_i2c(void) | |
460 | { | |
461 | omap_register_i2c_bus(1, 2600, cm_t35_i2c_boardinfo, | |
462 | ARRAY_SIZE(cm_t35_i2c_boardinfo)); | |
463 | } | |
464 | ||
465 | static struct omap_board_config_kernel cm_t35_config[] __initdata = { | |
466 | }; | |
467 | ||
468 | static void __init cm_t35_init_irq(void) | |
469 | { | |
470 | omap_board_config = cm_t35_config; | |
471 | omap_board_config_size = ARRAY_SIZE(cm_t35_config); | |
472 | ||
473 | omap2_init_common_hw(mt46h32m32lf6_sdrc_params, | |
474 | mt46h32m32lf6_sdrc_params); | |
475 | omap_init_irq(); | |
476 | omap_gpio_init(); | |
477 | } | |
478 | ||
479 | static void __init cm_t35_map_io(void) | |
480 | { | |
481 | omap2_set_globals_343x(); | |
482 | omap2_map_common_io(); | |
483 | } | |
484 | ||
ca5742bd TL |
485 | #ifdef CONFIG_OMAP_MUX |
486 | static struct omap_board_mux board_mux[] __initdata = { | |
487 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
488 | }; | |
489 | #else | |
490 | #define board_mux NULL | |
491 | #endif | |
492 | ||
2886d128 MR |
493 | static void __init cm_t35_init(void) |
494 | { | |
ca5742bd | 495 | omap3_mux_init(board_mux, OMAP_PACKAGE_CUS); |
2886d128 MR |
496 | omap_serial_init(); |
497 | cm_t35_init_i2c(); | |
498 | cm_t35_init_nand(); | |
499 | cm_t35_init_ads7846(); | |
500 | cm_t35_init_ethernet(); | |
501 | cm_t35_init_led(); | |
502 | ||
503 | usb_musb_init(); | |
504 | ||
4896e394 TL |
505 | omap_mux_init_signal("sys_nirq", |
506 | OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP); | |
2886d128 MR |
507 | } |
508 | ||
509 | MACHINE_START(CM_T35, "Compulab CM-T35") | |
510 | .phys_io = 0x48000000, | |
511 | .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, | |
512 | .boot_params = 0x80000100, | |
513 | .map_io = cm_t35_map_io, | |
514 | .init_irq = cm_t35_init_irq, | |
515 | .init_machine = cm_t35_init, | |
516 | .timer = &omap_timer, | |
517 | MACHINE_END |