Commit | Line | Data |
---|---|---|
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> |
7a079cab | 31 | |
2203747c | 32 | #include <linux/platform_data/spi-omap2-mcspi.h> |
7a079cab GG |
33 | #include <linux/spi/spi.h> |
34 | ||
35 | #include <linux/spi/ads7846.h> | |
36 | ||
37 | #include <linux/regulator/machine.h> | |
ebeb53e1 | 38 | #include <linux/i2c/twl.h> |
7a079cab | 39 | |
7a079cab GG |
40 | #include <asm/mach-types.h> |
41 | #include <asm/mach/arch.h> | |
42 | #include <asm/mach/map.h> | |
43 | #include <asm/mach/flash.h> | |
9f97da78 | 44 | #include <asm/system_info.h> |
7a079cab | 45 | |
4e65331c | 46 | #include "common.h" |
3ef5d007 | 47 | #include "gpmc.h" |
2203747c | 48 | #include <linux/platform_data/mtd-nand-omap2.h> |
7a079cab GG |
49 | |
50 | #include "mux.h" | |
d02a900b | 51 | #include "hsmmc.h" |
2e618261 | 52 | #include "board-flash.h" |
96974a24 | 53 | #include "common-board-devices.h" |
7a079cab GG |
54 | |
55 | #include <asm/setup.h> | |
56 | ||
7a079cab GG |
57 | #define OMAP3_AC_GPIO 136 |
58 | #define OMAP3_TS_GPIO 162 | |
59 | #define TB_BL_PWM_TIMER 9 | |
60 | #define TB_KILL_POWER_GPIO 168 | |
61 | ||
2e618261 AM |
62 | #define NAND_CS 0 |
63 | ||
38815733 | 64 | static unsigned long touchbook_revision; |
7a079cab GG |
65 | |
66 | static struct mtd_partition omap3touchbook_nand_partitions[] = { | |
67 | /* All the partition sizes are listed in terms of NAND block size */ | |
68 | { | |
69 | .name = "X-Loader", | |
70 | .offset = 0, | |
71 | .size = 4 * NAND_BLOCK_SIZE, | |
72 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
73 | }, | |
74 | { | |
75 | .name = "U-Boot", | |
76 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ | |
77 | .size = 15 * NAND_BLOCK_SIZE, | |
78 | .mask_flags = MTD_WRITEABLE, /* force read-only */ | |
79 | }, | |
80 | { | |
81 | .name = "U-Boot Env", | |
82 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ | |
83 | .size = 1 * NAND_BLOCK_SIZE, | |
84 | }, | |
85 | { | |
86 | .name = "Kernel", | |
87 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ | |
88 | .size = 32 * NAND_BLOCK_SIZE, | |
89 | }, | |
90 | { | |
91 | .name = "File System", | |
92 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ | |
93 | .size = MTDPART_SIZ_FULL, | |
94 | }, | |
95 | }; | |
96 | ||
7a079cab GG |
97 | #include "sdram-micron-mt46h32m32lf-6.h" |
98 | ||
68ff0423 | 99 | static struct omap2_hsmmc_info mmc[] = { |
7a079cab GG |
100 | { |
101 | .mmc = 1, | |
3a63833e | 102 | .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, |
7a079cab | 103 | .gpio_wp = 29, |
3b972bf0 | 104 | .deferred = true, |
7a079cab GG |
105 | }, |
106 | {} /* Terminator */ | |
107 | }; | |
108 | ||
786b01a8 OD |
109 | static struct regulator_consumer_supply touchbook_vmmc1_supply[] = { |
110 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), | |
7a079cab GG |
111 | }; |
112 | ||
786b01a8 OD |
113 | static struct regulator_consumer_supply touchbook_vsim_supply[] = { |
114 | REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"), | |
7a079cab GG |
115 | }; |
116 | ||
117 | static struct gpio_led gpio_leds[]; | |
118 | ||
119 | static int touchbook_twl_gpio_setup(struct device *dev, | |
120 | unsigned gpio, unsigned ngpio) | |
121 | { | |
7a079cab GG |
122 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
123 | mmc[0].gpio_cd = gpio + 0; | |
3b972bf0 | 124 | omap_hsmmc_late_init(mmc); |
7a079cab | 125 | |
7a079cab GG |
126 | /* REVISIT: need ehci-omap hooks for external VBUS |
127 | * power switch and overcurrent detect | |
128 | */ | |
bc593f5d | 129 | gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"); |
7a079cab GG |
130 | |
131 | /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */ | |
bc593f5d IG |
132 | gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW, |
133 | "nEN_USB_PWR"); | |
7a079cab GG |
134 | |
135 | /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ | |
136 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; | |
137 | ||
138 | return 0; | |
139 | } | |
140 | ||
141 | static struct twl4030_gpio_platform_data touchbook_gpio_data = { | |
7a079cab GG |
142 | .use_leds = true, |
143 | .pullups = BIT(1), | |
144 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) | |
145 | | BIT(15) | BIT(16) | BIT(17), | |
146 | .setup = touchbook_twl_gpio_setup, | |
147 | }; | |
148 | ||
786b01a8 OD |
149 | static struct regulator_consumer_supply touchbook_vdac_supply[] = { |
150 | { | |
7a079cab | 151 | .supply = "vdac", |
786b01a8 | 152 | }, |
7a079cab GG |
153 | }; |
154 | ||
786b01a8 OD |
155 | static struct regulator_consumer_supply touchbook_vdvi_supply[] = { |
156 | { | |
7a079cab | 157 | .supply = "vdvi", |
786b01a8 | 158 | }, |
7a079cab GG |
159 | }; |
160 | ||
161 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
162 | static struct regulator_init_data touchbook_vmmc1 = { | |
163 | .constraints = { | |
164 | .min_uV = 1850000, | |
165 | .max_uV = 3150000, | |
166 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
167 | | REGULATOR_MODE_STANDBY, | |
168 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
169 | | REGULATOR_CHANGE_MODE | |
170 | | REGULATOR_CHANGE_STATUS, | |
171 | }, | |
786b01a8 OD |
172 | .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply), |
173 | .consumer_supplies = touchbook_vmmc1_supply, | |
7a079cab GG |
174 | }; |
175 | ||
176 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ | |
177 | static struct regulator_init_data touchbook_vsim = { | |
178 | .constraints = { | |
179 | .min_uV = 1800000, | |
180 | .max_uV = 3000000, | |
181 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
182 | | REGULATOR_MODE_STANDBY, | |
183 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
184 | | REGULATOR_CHANGE_MODE | |
185 | | REGULATOR_CHANGE_STATUS, | |
186 | }, | |
786b01a8 OD |
187 | .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply), |
188 | .consumer_supplies = touchbook_vsim_supply, | |
7a079cab GG |
189 | }; |
190 | ||
7a079cab | 191 | static struct twl4030_platform_data touchbook_twldata = { |
7a079cab | 192 | /* platform_data for children goes here */ |
7a079cab | 193 | .gpio = &touchbook_gpio_data, |
7a079cab GG |
194 | .vmmc1 = &touchbook_vmmc1, |
195 | .vsim = &touchbook_vsim, | |
7a079cab GG |
196 | }; |
197 | ||
7a079cab GG |
198 | static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = { |
199 | { | |
200 | I2C_BOARD_INFO("bq27200", 0x55), | |
201 | }, | |
202 | }; | |
203 | ||
204 | static int __init omap3_touchbook_i2c_init(void) | |
205 | { | |
206 | /* Standard TouchBook bus */ | |
827ed9ae | 207 | omap3_pmic_get_config(&touchbook_twldata, |
b252b0ef PU |
208 | TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO, |
209 | TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2); | |
210 | ||
211 | touchbook_twldata.vdac->num_consumer_supplies = | |
212 | ARRAY_SIZE(touchbook_vdac_supply); | |
213 | touchbook_twldata.vdac->consumer_supplies = touchbook_vdac_supply; | |
214 | ||
215 | touchbook_twldata.vpll2->constraints.name = "VDVI"; | |
216 | touchbook_twldata.vpll2->num_consumer_supplies = | |
217 | ARRAY_SIZE(touchbook_vdvi_supply); | |
218 | touchbook_twldata.vpll2->consumer_supplies = touchbook_vdvi_supply; | |
219 | ||
fbd8071c | 220 | omap3_pmic_init("twl4030", &touchbook_twldata); |
7a079cab GG |
221 | /* Additional TouchBook bus */ |
222 | omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo, | |
223 | ARRAY_SIZE(touchBook_i2c_boardinfo)); | |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
96974a24 | 228 | static struct ads7846_platform_data ads7846_pdata = { |
7a079cab GG |
229 | .x_min = 100, |
230 | .y_min = 265, | |
231 | .x_max = 3950, | |
232 | .y_max = 3750, | |
233 | .x_plate_ohms = 40, | |
234 | .pressure_max = 255, | |
235 | .debounce_max = 10, | |
236 | .debounce_tol = 5, | |
237 | .debounce_rep = 1, | |
238 | .gpio_pendown = OMAP3_TS_GPIO, | |
239 | .keep_vref_on = 1, | |
240 | }; | |
241 | ||
7a079cab GG |
242 | static struct gpio_led gpio_leds[] = { |
243 | { | |
244 | .name = "touchbook::usr0", | |
245 | .default_trigger = "heartbeat", | |
246 | .gpio = 150, | |
247 | }, | |
248 | { | |
249 | .name = "touchbook::usr1", | |
250 | .default_trigger = "mmc0", | |
251 | .gpio = 149, | |
252 | }, | |
253 | { | |
254 | .name = "touchbook::pmu_stat", | |
255 | .gpio = -EINVAL, /* gets replaced */ | |
256 | .active_low = true, | |
257 | }, | |
258 | }; | |
259 | ||
260 | static struct gpio_led_platform_data gpio_led_info = { | |
261 | .leds = gpio_leds, | |
262 | .num_leds = ARRAY_SIZE(gpio_leds), | |
263 | }; | |
264 | ||
265 | static struct platform_device leds_gpio = { | |
266 | .name = "leds-gpio", | |
267 | .id = -1, | |
268 | .dev = { | |
269 | .platform_data = &gpio_led_info, | |
270 | }, | |
271 | }; | |
272 | ||
273 | static struct gpio_keys_button gpio_buttons[] = { | |
274 | { | |
275 | .code = BTN_EXTRA, | |
276 | .gpio = 7, | |
277 | .desc = "user", | |
278 | .wakeup = 1, | |
279 | }, | |
280 | { | |
281 | .code = KEY_POWER, | |
282 | .gpio = 183, | |
283 | .desc = "power", | |
284 | .wakeup = 1, | |
285 | }, | |
286 | }; | |
287 | ||
288 | static struct gpio_keys_platform_data gpio_key_info = { | |
289 | .buttons = gpio_buttons, | |
290 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
291 | }; | |
292 | ||
293 | static struct platform_device keys_gpio = { | |
294 | .name = "gpio-keys", | |
295 | .id = -1, | |
296 | .dev = { | |
297 | .platform_data = &gpio_key_info, | |
298 | }, | |
299 | }; | |
300 | ||
7a079cab GG |
301 | #ifdef CONFIG_OMAP_MUX |
302 | static struct omap_board_mux board_mux[] __initdata = { | |
303 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
304 | }; | |
7a079cab GG |
305 | #endif |
306 | ||
7a079cab | 307 | static struct platform_device *omap3_touchbook_devices[] __initdata = { |
7a079cab GG |
308 | &leds_gpio, |
309 | &keys_gpio, | |
310 | }; | |
311 | ||
181b250c | 312 | static const struct usbhs_omap_board_data usbhs_bdata __initconst = { |
7a079cab | 313 | |
181b250c KM |
314 | .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, |
315 | .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, | |
316 | .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, | |
7a079cab GG |
317 | |
318 | .phy_reset = true, | |
319 | .reset_gpio_port[0] = -EINVAL, | |
320 | .reset_gpio_port[1] = 147, | |
321 | .reset_gpio_port[2] = -EINVAL | |
322 | }; | |
323 | ||
324 | static void omap3_touchbook_poweroff(void) | |
325 | { | |
bc593f5d | 326 | int pwr_off = TB_KILL_POWER_GPIO; |
7a079cab | 327 | |
bc593f5d | 328 | if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0) |
7a079cab | 329 | printk(KERN_ERR "Unable to get kill power GPIO\n"); |
7a079cab GG |
330 | } |
331 | ||
d2197e1e | 332 | static int __init early_touchbook_revision(char *p) |
7a079cab | 333 | { |
d2197e1e TL |
334 | if (!p) |
335 | return 0; | |
7a079cab | 336 | |
d2197e1e | 337 | return strict_strtoul(p, 10, &touchbook_revision); |
7a079cab | 338 | } |
d2197e1e | 339 | early_param("tbr", early_touchbook_revision); |
7a079cab GG |
340 | |
341 | static void __init omap3_touchbook_init(void) | |
342 | { | |
e0530460 | 343 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
e41cccfe | 344 | |
7a079cab GG |
345 | pm_power_off = omap3_touchbook_poweroff; |
346 | ||
d1589f09 TL |
347 | if (system_rev >= 0x20 && system_rev <= 0x34301000) { |
348 | omap_mux_init_gpio(23, OMAP_PIN_INPUT); | |
349 | mmc[0].gpio_wp = 23; | |
350 | } else { | |
351 | omap_mux_init_gpio(29, OMAP_PIN_INPUT); | |
352 | } | |
3b972bf0 | 353 | omap_hsmmc_init(mmc); |
d1589f09 | 354 | |
7a079cab GG |
355 | omap3_touchbook_i2c_init(); |
356 | platform_add_devices(omap3_touchbook_devices, | |
357 | ARRAY_SIZE(omap3_touchbook_devices)); | |
358 | omap_serial_init(); | |
a4ca9dbe TL |
359 | omap_sdrc_init(mt46h32m32lf6_sdrc_params, |
360 | mt46h32m32lf6_sdrc_params); | |
7a079cab GG |
361 | |
362 | omap_mux_init_gpio(170, OMAP_PIN_INPUT); | |
7a079cab | 363 | /* REVISIT leave DVI powered down until it's needed ... */ |
bc593f5d | 364 | gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD"); |
7a079cab GG |
365 | |
366 | /* Touchscreen and accelerometer */ | |
96974a24 | 367 | omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata); |
9e18630b | 368 | usb_musb_init(NULL); |
9e64bb1e | 369 | usbhs_init(&usbhs_bdata); |
2e618261 AM |
370 | board_nand_init(omap3touchbook_nand_partitions, |
371 | ARRAY_SIZE(omap3touchbook_nand_partitions), NAND_CS, | |
372 | NAND_BUSWIDTH_16, NULL); | |
7a079cab GG |
373 | |
374 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
375 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); | |
376 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | |
377 | } | |
378 | ||
7a079cab GG |
379 | MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board") |
380 | /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */ | |
5e52b435 | 381 | .atag_offset = 0x100, |
71ee7dad | 382 | .reserve = omap_reserve, |
3dc3bad6 | 383 | .map_io = omap3_map_io, |
8f5b5a41 | 384 | .init_early = omap3430_init_early, |
be732460 | 385 | .init_irq = omap3_init_irq, |
6b2f55d7 | 386 | .handle_irq = omap3_intc_handle_irq, |
7a079cab | 387 | .init_machine = omap3_touchbook_init, |
bbd707ac | 388 | .init_late = omap3430_init_late, |
e74984e4 | 389 | .timer = &omap3_secure_timer, |
187e3e06 | 390 | .restart = omap3xxx_restart, |
7a079cab | 391 | MACHINE_END |