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 GG |
31 | |
32 | #include <plat/mcspi.h> | |
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 GG |
39 | |
40 | #include <mach/hardware.h> | |
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 GG |
46 | |
47 | #include <plat/board.h> | |
4e65331c | 48 | #include "common.h" |
7a079cab GG |
49 | #include <plat/gpmc.h> |
50 | #include <plat/nand.h> | |
51 | #include <plat/usb.h> | |
7a079cab GG |
52 | |
53 | #include "mux.h" | |
d02a900b | 54 | #include "hsmmc.h" |
96974a24 | 55 | #include "common-board-devices.h" |
7a079cab GG |
56 | |
57 | #include <asm/setup.h> | |
58 | ||
7a079cab GG |
59 | #define OMAP3_AC_GPIO 136 |
60 | #define OMAP3_TS_GPIO 162 | |
61 | #define TB_BL_PWM_TIMER 9 | |
62 | #define TB_KILL_POWER_GPIO 168 | |
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 GG |
103 | .gpio_wp = 29, |
104 | }, | |
105 | {} /* Terminator */ | |
106 | }; | |
107 | ||
786b01a8 OD |
108 | static struct regulator_consumer_supply touchbook_vmmc1_supply[] = { |
109 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), | |
7a079cab GG |
110 | }; |
111 | ||
786b01a8 OD |
112 | static struct regulator_consumer_supply touchbook_vsim_supply[] = { |
113 | REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"), | |
7a079cab GG |
114 | }; |
115 | ||
116 | static struct gpio_led gpio_leds[]; | |
117 | ||
118 | static int touchbook_twl_gpio_setup(struct device *dev, | |
119 | unsigned gpio, unsigned ngpio) | |
120 | { | |
121 | if (system_rev >= 0x20 && system_rev <= 0x34301000) { | |
122 | omap_mux_init_gpio(23, OMAP_PIN_INPUT); | |
123 | mmc[0].gpio_wp = 23; | |
124 | } else { | |
125 | omap_mux_init_gpio(29, OMAP_PIN_INPUT); | |
126 | } | |
127 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ | |
128 | mmc[0].gpio_cd = gpio + 0; | |
68ff0423 | 129 | omap2_hsmmc_init(mmc); |
7a079cab | 130 | |
7a079cab GG |
131 | /* REVISIT: need ehci-omap hooks for external VBUS |
132 | * power switch and overcurrent detect | |
133 | */ | |
bc593f5d | 134 | gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"); |
7a079cab GG |
135 | |
136 | /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */ | |
bc593f5d IG |
137 | gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW, |
138 | "nEN_USB_PWR"); | |
7a079cab GG |
139 | |
140 | /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ | |
141 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; | |
142 | ||
143 | return 0; | |
144 | } | |
145 | ||
146 | static struct twl4030_gpio_platform_data touchbook_gpio_data = { | |
147 | .gpio_base = OMAP_MAX_GPIO_LINES, | |
148 | .irq_base = TWL4030_GPIO_IRQ_BASE, | |
149 | .irq_end = TWL4030_GPIO_IRQ_END, | |
150 | .use_leds = true, | |
151 | .pullups = BIT(1), | |
152 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) | |
153 | | BIT(15) | BIT(16) | BIT(17), | |
154 | .setup = touchbook_twl_gpio_setup, | |
155 | }; | |
156 | ||
786b01a8 OD |
157 | static struct regulator_consumer_supply touchbook_vdac_supply[] = { |
158 | { | |
7a079cab | 159 | .supply = "vdac", |
786b01a8 | 160 | }, |
7a079cab GG |
161 | }; |
162 | ||
786b01a8 OD |
163 | static struct regulator_consumer_supply touchbook_vdvi_supply[] = { |
164 | { | |
7a079cab | 165 | .supply = "vdvi", |
786b01a8 | 166 | }, |
7a079cab GG |
167 | }; |
168 | ||
169 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ | |
170 | static struct regulator_init_data touchbook_vmmc1 = { | |
171 | .constraints = { | |
172 | .min_uV = 1850000, | |
173 | .max_uV = 3150000, | |
174 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
175 | | REGULATOR_MODE_STANDBY, | |
176 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
177 | | REGULATOR_CHANGE_MODE | |
178 | | REGULATOR_CHANGE_STATUS, | |
179 | }, | |
786b01a8 OD |
180 | .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply), |
181 | .consumer_supplies = touchbook_vmmc1_supply, | |
7a079cab GG |
182 | }; |
183 | ||
184 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ | |
185 | static struct regulator_init_data touchbook_vsim = { | |
186 | .constraints = { | |
187 | .min_uV = 1800000, | |
188 | .max_uV = 3000000, | |
189 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
190 | | REGULATOR_MODE_STANDBY, | |
191 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
192 | | REGULATOR_CHANGE_MODE | |
193 | | REGULATOR_CHANGE_STATUS, | |
194 | }, | |
786b01a8 OD |
195 | .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply), |
196 | .consumer_supplies = touchbook_vsim_supply, | |
7a079cab GG |
197 | }; |
198 | ||
7a079cab | 199 | static struct twl4030_platform_data touchbook_twldata = { |
7a079cab | 200 | /* platform_data for children goes here */ |
7a079cab | 201 | .gpio = &touchbook_gpio_data, |
7a079cab GG |
202 | .vmmc1 = &touchbook_vmmc1, |
203 | .vsim = &touchbook_vsim, | |
7a079cab GG |
204 | }; |
205 | ||
7a079cab GG |
206 | static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = { |
207 | { | |
208 | I2C_BOARD_INFO("bq27200", 0x55), | |
209 | }, | |
210 | }; | |
211 | ||
212 | static int __init omap3_touchbook_i2c_init(void) | |
213 | { | |
214 | /* Standard TouchBook bus */ | |
827ed9ae | 215 | omap3_pmic_get_config(&touchbook_twldata, |
b252b0ef PU |
216 | TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO, |
217 | TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2); | |
218 | ||
219 | touchbook_twldata.vdac->num_consumer_supplies = | |
220 | ARRAY_SIZE(touchbook_vdac_supply); | |
221 | touchbook_twldata.vdac->consumer_supplies = touchbook_vdac_supply; | |
222 | ||
223 | touchbook_twldata.vpll2->constraints.name = "VDVI"; | |
224 | touchbook_twldata.vpll2->num_consumer_supplies = | |
225 | ARRAY_SIZE(touchbook_vdvi_supply); | |
226 | touchbook_twldata.vpll2->consumer_supplies = touchbook_vdvi_supply; | |
227 | ||
fbd8071c | 228 | omap3_pmic_init("twl4030", &touchbook_twldata); |
7a079cab GG |
229 | /* Additional TouchBook bus */ |
230 | omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo, | |
231 | ARRAY_SIZE(touchBook_i2c_boardinfo)); | |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
96974a24 | 236 | static struct ads7846_platform_data ads7846_pdata = { |
7a079cab GG |
237 | .x_min = 100, |
238 | .y_min = 265, | |
239 | .x_max = 3950, | |
240 | .y_max = 3750, | |
241 | .x_plate_ohms = 40, | |
242 | .pressure_max = 255, | |
243 | .debounce_max = 10, | |
244 | .debounce_tol = 5, | |
245 | .debounce_rep = 1, | |
246 | .gpio_pendown = OMAP3_TS_GPIO, | |
247 | .keep_vref_on = 1, | |
248 | }; | |
249 | ||
7a079cab GG |
250 | static struct gpio_led gpio_leds[] = { |
251 | { | |
252 | .name = "touchbook::usr0", | |
253 | .default_trigger = "heartbeat", | |
254 | .gpio = 150, | |
255 | }, | |
256 | { | |
257 | .name = "touchbook::usr1", | |
258 | .default_trigger = "mmc0", | |
259 | .gpio = 149, | |
260 | }, | |
261 | { | |
262 | .name = "touchbook::pmu_stat", | |
263 | .gpio = -EINVAL, /* gets replaced */ | |
264 | .active_low = true, | |
265 | }, | |
266 | }; | |
267 | ||
268 | static struct gpio_led_platform_data gpio_led_info = { | |
269 | .leds = gpio_leds, | |
270 | .num_leds = ARRAY_SIZE(gpio_leds), | |
271 | }; | |
272 | ||
273 | static struct platform_device leds_gpio = { | |
274 | .name = "leds-gpio", | |
275 | .id = -1, | |
276 | .dev = { | |
277 | .platform_data = &gpio_led_info, | |
278 | }, | |
279 | }; | |
280 | ||
281 | static struct gpio_keys_button gpio_buttons[] = { | |
282 | { | |
283 | .code = BTN_EXTRA, | |
284 | .gpio = 7, | |
285 | .desc = "user", | |
286 | .wakeup = 1, | |
287 | }, | |
288 | { | |
289 | .code = KEY_POWER, | |
290 | .gpio = 183, | |
291 | .desc = "power", | |
292 | .wakeup = 1, | |
293 | }, | |
294 | }; | |
295 | ||
296 | static struct gpio_keys_platform_data gpio_key_info = { | |
297 | .buttons = gpio_buttons, | |
298 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
299 | }; | |
300 | ||
301 | static struct platform_device keys_gpio = { | |
302 | .name = "gpio-keys", | |
303 | .id = -1, | |
304 | .dev = { | |
305 | .platform_data = &gpio_key_info, | |
306 | }, | |
307 | }; | |
308 | ||
7a079cab GG |
309 | #ifdef CONFIG_OMAP_MUX |
310 | static struct omap_board_mux board_mux[] __initdata = { | |
311 | { .reg_offset = OMAP_MUX_TERMINATOR }, | |
312 | }; | |
7a079cab GG |
313 | #endif |
314 | ||
7a079cab | 315 | static struct platform_device *omap3_touchbook_devices[] __initdata = { |
7a079cab GG |
316 | &leds_gpio, |
317 | &keys_gpio, | |
318 | }; | |
319 | ||
181b250c | 320 | static const struct usbhs_omap_board_data usbhs_bdata __initconst = { |
7a079cab | 321 | |
181b250c KM |
322 | .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, |
323 | .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, | |
324 | .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, | |
7a079cab GG |
325 | |
326 | .phy_reset = true, | |
327 | .reset_gpio_port[0] = -EINVAL, | |
328 | .reset_gpio_port[1] = 147, | |
329 | .reset_gpio_port[2] = -EINVAL | |
330 | }; | |
331 | ||
332 | static void omap3_touchbook_poweroff(void) | |
333 | { | |
bc593f5d | 334 | int pwr_off = TB_KILL_POWER_GPIO; |
7a079cab | 335 | |
bc593f5d | 336 | if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0) |
7a079cab | 337 | printk(KERN_ERR "Unable to get kill power GPIO\n"); |
7a079cab GG |
338 | } |
339 | ||
d2197e1e | 340 | static int __init early_touchbook_revision(char *p) |
7a079cab | 341 | { |
d2197e1e TL |
342 | if (!p) |
343 | return 0; | |
7a079cab | 344 | |
d2197e1e | 345 | return strict_strtoul(p, 10, &touchbook_revision); |
7a079cab | 346 | } |
d2197e1e | 347 | early_param("tbr", early_touchbook_revision); |
7a079cab GG |
348 | |
349 | static void __init omap3_touchbook_init(void) | |
350 | { | |
e0530460 | 351 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
e41cccfe | 352 | |
7a079cab GG |
353 | pm_power_off = omap3_touchbook_poweroff; |
354 | ||
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); |
9a3f39ff MR |
370 | omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions, |
371 | ARRAY_SIZE(omap3touchbook_nand_partitions)); | |
7a079cab GG |
372 | |
373 | /* Ensure SDRC pins are mux'd for self-refresh */ | |
374 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); | |
375 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); | |
376 | } | |
377 | ||
7a079cab GG |
378 | MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board") |
379 | /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */ | |
5e52b435 | 380 | .atag_offset = 0x100, |
71ee7dad | 381 | .reserve = omap_reserve, |
3dc3bad6 | 382 | .map_io = omap3_map_io, |
8f5b5a41 | 383 | .init_early = omap3430_init_early, |
be732460 | 384 | .init_irq = omap3_init_irq, |
6b2f55d7 | 385 | .handle_irq = omap3_intc_handle_irq, |
7a079cab | 386 | .init_machine = omap3_touchbook_init, |
e74984e4 | 387 | .timer = &omap3_secure_timer, |
baa95883 | 388 | .restart = omap_prcm_restart, |
7a079cab | 389 | MACHINE_END |