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7a079cab GG |
1 | /* |
2 | * linux/arch/arm/mach-omap2/board-omap3touchbook.c | |
3 | * | |
4 | * Copyright (C) 2009 Always Innovating | |
5 | * | |
6 | * Modified from mach-omap2/board-omap3beagleboard.c | |
7 | * | |
8 | * Initial code: Grégoire Gentil, Tim Yamin | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/delay.h> | |
19 | #include <linux/err.h> | |
20 | #include <linux/clk.h> | |
21 | #include <linux/io.h> | |
22 | #include <linux/leds.h> | |
23 | #include <linux/gpio.h> | |
24 | #include <linux/input.h> | |
25 | #include <linux/gpio_keys.h> | |
26 | ||
27 | #include <linux/mtd/mtd.h> | |
28 | #include <linux/mtd/partitions.h> | |
29 | #include <linux/mtd/nand.h> | |
3a63833e | 30 | #include <linux/mmc/host.h> |
51482be9 | 31 | #include <linux/usb/phy.h> |
7a079cab | 32 | |
2203747c | 33 | #include <linux/platform_data/spi-omap2-mcspi.h> |
7a079cab GG |
34 | #include <linux/spi/spi.h> |
35 | ||
36 | #include <linux/spi/ads7846.h> | |
37 | ||
38 | #include <linux/regulator/machine.h> | |
ebeb53e1 | 39 | #include <linux/i2c/twl.h> |
7a079cab | 40 | |
7a079cab GG |
41 | #include <asm/mach-types.h> |
42 | #include <asm/mach/arch.h> | |
43 | #include <asm/mach/map.h> | |
44 | #include <asm/mach/flash.h> | |
9f97da78 | 45 | #include <asm/system_info.h> |
7a079cab | 46 | |
4e65331c | 47 | #include "common.h" |
3ef5d007 | 48 | #include "gpmc.h" |
2203747c | 49 | #include <linux/platform_data/mtd-nand-omap2.h> |
7a079cab GG |
50 | |
51 | #include "mux.h" | |
d02a900b | 52 | #include "hsmmc.h" |
2e618261 | 53 | #include "board-flash.h" |
96974a24 | 54 | #include "common-board-devices.h" |
7a079cab GG |
55 | |
56 | #include <asm/setup.h> | |
57 | ||
7a079cab GG |
58 | #define OMAP3_AC_GPIO 136 |
59 | #define OMAP3_TS_GPIO 162 | |
60 | #define TB_BL_PWM_TIMER 9 | |
61 | #define TB_KILL_POWER_GPIO 168 | |
62 | ||
2e618261 AM |
63 | #define NAND_CS 0 |
64 | ||
38815733 | 65 | static unsigned long touchbook_revision; |
7a079cab GG |
66 | |
67 | static struct mtd_partition omap3touchbook_nand_partitions[] = { | |
68 | /* All the partition sizes are listed in terms of NAND block size */ | |
69 | { | |
70 | .name = "X-Loader", | |
71 | .offset = 0, | |
72 | .size = 4 * NAND_BLOCK_SIZE, | |
73 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
74 | }, | |
75 | { | |
76 | .name = "U-Boot", | |
77 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
78 | .size = 15 * NAND_BLOCK_SIZE, | |
79 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
80 | }, | |
81 | { | |
82 | .name = "U-Boot Env", | |
83 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ | |
84 | .size = 1 * NAND_BLOCK_SIZE, | |
85 | }, | |
86 | { | |
87 | .name = "Kernel", | |
88 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ | |
89 | .size = 32 * NAND_BLOCK_SIZE, | |
90 | }, | |
91 | { | |
92 | .name = "File System", | |
93 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ | |
94 | .size = MTDPART_SIZ_FULL, | |
95 | }, | |
96 | }; | |
97 | ||
7a079cab GG |
98 | #include "sdram-micron-mt46h32m32lf-6.h" |
99 | ||
68ff0423 | 100 | static struct omap2_hsmmc_info mmc[] = { |
7a079cab GG |
101 | { |
102 | .mmc = 1, | |
3a63833e | 103 | .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, |
7a079cab | 104 | .gpio_wp = 29, |
3b972bf0 | 105 | .deferred = true, |
7a079cab GG |
106 | }, |
107 | {} /* Terminator */ | |
108 | }; | |
109 | ||
786b01a8 OD |
110 | static struct regulator_consumer_supply touchbook_vmmc1_supply[] = { |
111 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), | |
7a079cab GG |
112 | }; |
113 | ||
786b01a8 OD |
114 | static struct regulator_consumer_supply touchbook_vsim_supply[] = { |
115 | REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"), | |
7a079cab GG |
116 | }; |
117 | ||
118 | static struct gpio_led gpio_leds[]; | |
119 | ||
120 | static int touchbook_twl_gpio_setup(struct device *dev, | |
121 | unsigned gpio, unsigned ngpio) | |
122 | { | |
7a079cab GG |
123 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
124 | mmc[0].gpio_cd = gpio + 0; | |
3b972bf0 | 125 | omap_hsmmc_late_init(mmc); |
7a079cab | 126 | |
7a079cab GG |
127 | /* REVISIT: need ehci-omap hooks for external VBUS |
128 | * power switch and overcurrent detect | |
129 | */ | |
bc593f5d | 130 | gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"); |
7a079cab GG |
131 | |
132 | /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */ | |
bc593f5d IG |
133 | gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW, |
134 | "nEN_USB_PWR"); | |
7a079cab GG |
135 | |
136 | /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ | |
137 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; | |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
142 | static struct twl4030_gpio_platform_data touchbook_gpio_data = { | |
7a079cab GG |
143 | .use_leds = true, |
144 | .pullups = BIT(1), | |
145 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) | |
146 | | BIT(15) | BIT(16) | BIT(17), | |
147 | .setup = touchbook_twl_gpio_setup, | |
148 | }; | |
149 | ||
786b01a8 OD |
150 | static struct regulator_consumer_supply touchbook_vdac_supply[] = { |
151 | { | |
7a079cab | 152 | .supply = "vdac", |
786b01a8 | 153 | }, |
7a079cab GG |
154 | }; |
155 | ||
786b01a8 OD |
156 | static struct regulator_consumer_supply touchbook_vdvi_supply[] = { |
157 | { | |
7a079cab | 158 | .supply = "vdvi", |
786b01a8 | 159 | }, |
7a079cab GG |
160 | }; |
161 | ||
162 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
163 | static struct regulator_init_data touchbook_vmmc1 = { | |
164 | .constraints = { | |
165 | .min_uV = 1850000, | |
166 | .max_uV = 3150000, | |
167 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
168 | | REGULATOR_MODE_STANDBY, | |
169 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
170 | | REGULATOR_CHANGE_MODE | |
171 | | REGULATOR_CHANGE_STATUS, | |
172 | }, | |
786b01a8 OD |
173 | .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply), |
174 | .consumer_supplies = touchbook_vmmc1_supply, | |
7a079cab GG |
175 | }; |
176 | ||
177 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ | |
178 | static struct regulator_init_data touchbook_vsim = { | |
179 | .constraints = { | |
180 | .min_uV = 1800000, | |
181 | .max_uV = 3000000, | |
182 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
183 | | REGULATOR_MODE_STANDBY, | |
184 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
185 | | REGULATOR_CHANGE_MODE | |
186 | | REGULATOR_CHANGE_STATUS, | |
187 | }, | |
786b01a8 OD |
188 | .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply), |
189 | .consumer_supplies = touchbook_vsim_supply, | |
7a079cab GG |
190 | }; |
191 | ||
7a079cab | 192 | static struct twl4030_platform_data touchbook_twldata = { |
7a079cab | 193 | /* platform_data for children goes here */ |
7a079cab | 194 | .gpio = &touchbook_gpio_data, |
7a079cab GG |
195 | .vmmc1 = &touchbook_vmmc1, |
196 | .vsim = &touchbook_vsim, | |
7a079cab GG |
197 | }; |
198 | ||
7a079cab GG |
199 | static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = { |
200 | { | |
201 | I2C_BOARD_INFO("bq27200", 0x55), | |
202 | }, | |
203 | }; | |
204 | ||
205 | static int __init omap3_touchbook_i2c_init(void) | |
206 | { | |
207 | /* Standard TouchBook bus */ | |
827ed9ae | 208 | omap3_pmic_get_config(&touchbook_twldata, |
b252b0ef PU |
209 | TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO, |
210 | TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2); | |
211 | ||
212 | touchbook_twldata.vdac->num_consumer_supplies = | |
213 | ARRAY_SIZE(touchbook_vdac_supply); | |
214 | touchbook_twldata.vdac->consumer_supplies = touchbook_vdac_supply; | |
215 | ||
216 | touchbook_twldata.vpll2->constraints.name = "VDVI"; | |
217 | touchbook_twldata.vpll2->num_consumer_supplies = | |
218 | ARRAY_SIZE(touchbook_vdvi_supply); | |
219 | touchbook_twldata.vpll2->consumer_supplies = touchbook_vdvi_supply; | |
220 | ||
fbd8071c | 221 | omap3_pmic_init("twl4030", &touchbook_twldata); |
7a079cab GG |
222 | /* Additional TouchBook bus */ |
223 | omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo, | |
224 | ARRAY_SIZE(touchBook_i2c_boardinfo)); | |
225 | ||
226 | return 0; | |
227 | } | |
228 | ||
96974a24 | 229 | static struct ads7846_platform_data ads7846_pdata = { |
7a079cab GG |
230 | .x_min = 100, |
231 | .y_min = 265, | |
232 | .x_max = 3950, | |
233 | .y_max = 3750, | |
234 | .x_plate_ohms = 40, | |
235 | .pressure_max = 255, | |
236 | .debounce_max = 10, | |
237 | .debounce_tol = 5, | |
238 | .debounce_rep = 1, | |
239 | .gpio_pendown = OMAP3_TS_GPIO, | |
240 | .keep_vref_on = 1, | |
241 | }; | |
242 | ||
7a079cab GG |
243 | static struct gpio_led gpio_leds[] = { |
244 | { | |
245 | .name = "touchbook::usr0", | |
246 | .default_trigger = "heartbeat", | |
247 | .gpio = 150, | |
248 | }, | |
249 | { | |
250 | .name = "touchbook::usr1", | |
251 | .default_trigger = "mmc0", | |
252 | .gpio = 149, | |
253 | }, | |
254 | { | |
255 | .name = "touchbook::pmu_stat", | |
256 | .gpio = -EINVAL, /* gets replaced */ | |
257 | .active_low = true, | |
258 | }, | |
259 | }; | |
260 | ||
261 | static struct gpio_led_platform_data gpio_led_info = { | |
262 | .leds = gpio_leds, | |
263 | .num_leds = ARRAY_SIZE(gpio_leds), | |
264 | }; | |
265 | ||
266 | static struct platform_device leds_gpio = { | |
267 | .name = "leds-gpio", | |
268 | .id = -1, | |
269 | .dev = { | |
270 | .platform_data = &gpio_led_info, | |
271 | }, | |
272 | }; | |
273 | ||
274 | static struct gpio_keys_button gpio_buttons[] = { | |
275 | { | |
276 | .code = BTN_EXTRA, | |
277 | .gpio = 7, | |
278 | .desc = "user", | |
279 | .wakeup = 1, | |
280 | }, | |
281 | { | |
282 | .code = KEY_POWER, | |
283 | .gpio = 183, | |
284 | .desc = "power", | |
285 | .wakeup = 1, | |
286 | }, | |
287 | }; | |
288 | ||
289 | static struct gpio_keys_platform_data gpio_key_info = { | |
290 | .buttons = gpio_buttons, | |
291 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
292 | }; | |
293 | ||
294 | static struct platform_device keys_gpio = { | |
295 | .name = "gpio-keys", | |
296 | .id = -1, | |
297 | .dev = { | |
298 | .platform_data = &gpio_key_info, | |
299 | }, | |
300 | }; | |
301 | ||
7a079cab GG |
302 | #ifdef CONFIG_OMAP_MUX |
303 | static struct omap_board_mux board_mux[] __initdata = { | |
304 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
305 | }; | |
7a079cab GG |
306 | #endif |
307 | ||
3da6ca35 RQ |
308 | static struct usbhs_phy_data phy_data[] __initdata = { |
309 | { | |
310 | .port = 2, | |
311 | .reset_gpio = 147, | |
312 | .vcc_gpio = -EINVAL, | |
313 | }, | |
314 | }; | |
315 | ||
7a079cab | 316 | static struct platform_device *omap3_touchbook_devices[] __initdata = { |
7a079cab GG |
317 | &leds_gpio, |
318 | &keys_gpio, | |
319 | }; | |
320 | ||
42973159 | 321 | static struct usbhs_omap_platform_data usbhs_bdata __initdata = { |
181b250c KM |
322 | .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, |
323 | .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, | |
7a079cab GG |
324 | }; |
325 | ||
326 | static void omap3_touchbook_poweroff(void) | |
327 | { | |
bc593f5d | 328 | int pwr_off = TB_KILL_POWER_GPIO; |
7a079cab | 329 | |
bc593f5d | 330 | if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0) |
7a079cab | 331 | printk(KERN_ERR "Unable to get kill power GPIO\n"); |
7a079cab GG |
332 | } |
333 | ||
d2197e1e | 334 | static int __init early_touchbook_revision(char *p) |
7a079cab | 335 | { |
d2197e1e TL |
336 | if (!p) |
337 | return 0; | |
7a079cab | 338 | |
d2197e1e | 339 | return strict_strtoul(p, 10, &touchbook_revision); |
7a079cab | 340 | } |
d2197e1e | 341 | early_param("tbr", early_touchbook_revision); |
7a079cab GG |
342 | |
343 | static void __init omap3_touchbook_init(void) | |
344 | { | |
e0530460 | 345 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
e41cccfe | 346 | |
7a079cab GG |
347 | pm_power_off = omap3_touchbook_poweroff; |
348 | ||
d1589f09 TL |
349 | if (system_rev >= 0x20 && system_rev <= 0x34301000) { |
350 | omap_mux_init_gpio(23, OMAP_PIN_INPUT); | |
351 | mmc[0].gpio_wp = 23; | |
352 | } else { | |
353 | omap_mux_init_gpio(29, OMAP_PIN_INPUT); | |
354 | } | |
3b972bf0 | 355 | omap_hsmmc_init(mmc); |
d1589f09 | 356 | |
7a079cab GG |
357 | omap3_touchbook_i2c_init(); |
358 | platform_add_devices(omap3_touchbook_devices, | |
359 | ARRAY_SIZE(omap3_touchbook_devices)); | |
360 | omap_serial_init(); | |
a4ca9dbe TL |
361 | omap_sdrc_init(mt46h32m32lf6_sdrc_params, |
362 | mt46h32m32lf6_sdrc_params); | |
7a079cab GG |
363 | |
364 | omap_mux_init_gpio(170, OMAP_PIN_INPUT); | |
7a079cab | 365 | /* REVISIT leave DVI powered down until it's needed ... */ |
bc593f5d | 366 | gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD"); |
7a079cab GG |
367 | |
368 | /* Touchscreen and accelerometer */ | |
96974a24 | 369 | omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata); |
51482be9 | 370 | usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb"); |
9e18630b | 371 | usb_musb_init(NULL); |
3da6ca35 RQ |
372 | |
373 | usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data)); | |
9e64bb1e | 374 | usbhs_init(&usbhs_bdata); |
2e618261 AM |
375 | board_nand_init(omap3touchbook_nand_partitions, |
376 | ARRAY_SIZE(omap3touchbook_nand_partitions), NAND_CS, | |
377 | NAND_BUSWIDTH_16, NULL); | |
7a079cab GG |
378 | |
379 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
380 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); | |
381 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | |
382 | } | |
383 | ||
7a079cab GG |
384 | MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board") |
385 | /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */ | |
5e52b435 | 386 | .atag_offset = 0x100, |
71ee7dad | 387 | .reserve = omap_reserve, |
3dc3bad6 | 388 | .map_io = omap3_map_io, |
8f5b5a41 | 389 | .init_early = omap3430_init_early, |
be732460 | 390 | .init_irq = omap3_init_irq, |
6b2f55d7 | 391 | .handle_irq = omap3_intc_handle_irq, |
7a079cab | 392 | .init_machine = omap3_touchbook_init, |
bbd707ac | 393 | .init_late = omap3430_init_late, |
6bb27d73 | 394 | .init_time = omap3_secure_sync32k_timer_init, |
187e3e06 | 395 | .restart = omap3xxx_restart, |
7a079cab | 396 | MACHINE_END |