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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>
30#include <linux/mmc/host.h>
31
32#include <linux/platform_data/spi-omap2-mcspi.h>
33#include <linux/spi/spi.h>
34
35#include <linux/spi/ads7846.h>
36
37#include <linux/regulator/machine.h>
38#include <linux/i2c/twl.h>
39
40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/map.h>
43#include <asm/mach/flash.h>
44#include <asm/system_info.h>
45
46#include "common.h"
47#include "gpmc.h"
48#include <linux/platform_data/mtd-nand-omap2.h>
49
50#include "mux.h"
51#include "hsmmc.h"
52#include "board-flash.h"
53#include "common-board-devices.h"
54
55#include <asm/setup.h>
56
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
62#define NAND_CS 0
63
64static unsigned long touchbook_revision;
65
66static struct mtd_partition omap3touchbook_nand_partitions[] = {
67
68 {
69 .name = "X-Loader",
70 .offset = 0,
71 .size = 4 * NAND_BLOCK_SIZE,
72 .mask_flags = MTD_WRITEABLE,
73 },
74 {
75 .name = "U-Boot",
76 .offset = MTDPART_OFS_APPEND,
77 .size = 15 * NAND_BLOCK_SIZE,
78 .mask_flags = MTD_WRITEABLE,
79 },
80 {
81 .name = "U-Boot Env",
82 .offset = MTDPART_OFS_APPEND,
83 .size = 1 * NAND_BLOCK_SIZE,
84 },
85 {
86 .name = "Kernel",
87 .offset = MTDPART_OFS_APPEND,
88 .size = 32 * NAND_BLOCK_SIZE,
89 },
90 {
91 .name = "File System",
92 .offset = MTDPART_OFS_APPEND,
93 .size = MTDPART_SIZ_FULL,
94 },
95};
96
97#include "sdram-micron-mt46h32m32lf-6.h"
98
99static struct omap2_hsmmc_info mmc[] = {
100 {
101 .mmc = 1,
102 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
103 .gpio_wp = 29,
104 .deferred = true,
105 },
106 {}
107};
108
109static struct regulator_consumer_supply touchbook_vmmc1_supply[] = {
110 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
111};
112
113static struct regulator_consumer_supply touchbook_vsim_supply[] = {
114 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
115};
116
117static struct gpio_led gpio_leds[];
118
119static int touchbook_twl_gpio_setup(struct device *dev,
120 unsigned gpio, unsigned ngpio)
121{
122
123 mmc[0].gpio_cd = gpio + 0;
124 omap_hsmmc_late_init(mmc);
125
126
127
128
129 gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
130
131
132 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
133 "nEN_USB_PWR");
134
135
136 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
137
138 return 0;
139}
140
141static struct twl4030_gpio_platform_data touchbook_gpio_data = {
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
149static struct regulator_consumer_supply touchbook_vdac_supply[] = {
150{
151 .supply = "vdac",
152},
153};
154
155static struct regulator_consumer_supply touchbook_vdvi_supply[] = {
156{
157 .supply = "vdvi",
158},
159};
160
161
162static 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 },
172 .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply),
173 .consumer_supplies = touchbook_vmmc1_supply,
174};
175
176
177static 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 },
187 .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply),
188 .consumer_supplies = touchbook_vsim_supply,
189};
190
191static struct twl4030_platform_data touchbook_twldata = {
192
193 .gpio = &touchbook_gpio_data,
194 .vmmc1 = &touchbook_vmmc1,
195 .vsim = &touchbook_vsim,
196};
197
198static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
199 {
200 I2C_BOARD_INFO("bq27200", 0x55),
201 },
202};
203
204static int __init omap3_touchbook_i2c_init(void)
205{
206
207 omap3_pmic_get_config(&touchbook_twldata,
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
220 omap3_pmic_init("twl4030", &touchbook_twldata);
221
222 omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
223 ARRAY_SIZE(touchBook_i2c_boardinfo));
224
225 return 0;
226}
227
228static struct ads7846_platform_data ads7846_pdata = {
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
242static 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,
256 .active_low = true,
257 },
258};
259
260static struct gpio_led_platform_data gpio_led_info = {
261 .leds = gpio_leds,
262 .num_leds = ARRAY_SIZE(gpio_leds),
263};
264
265static struct platform_device leds_gpio = {
266 .name = "leds-gpio",
267 .id = -1,
268 .dev = {
269 .platform_data = &gpio_led_info,
270 },
271};
272
273static 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
288static struct gpio_keys_platform_data gpio_key_info = {
289 .buttons = gpio_buttons,
290 .nbuttons = ARRAY_SIZE(gpio_buttons),
291};
292
293static struct platform_device keys_gpio = {
294 .name = "gpio-keys",
295 .id = -1,
296 .dev = {
297 .platform_data = &gpio_key_info,
298 },
299};
300
301#ifdef CONFIG_OMAP_MUX
302static struct omap_board_mux board_mux[] __initdata = {
303 { .reg_offset = OMAP_MUX_TERMINATOR },
304};
305#endif
306
307static struct platform_device *omap3_touchbook_devices[] __initdata = {
308 &leds_gpio,
309 &keys_gpio,
310};
311
312static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
313
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,
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
324static void omap3_touchbook_poweroff(void)
325{
326 int pwr_off = TB_KILL_POWER_GPIO;
327
328 if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
329 printk(KERN_ERR "Unable to get kill power GPIO\n");
330}
331
332static int __init early_touchbook_revision(char *p)
333{
334 if (!p)
335 return 0;
336
337 return strict_strtoul(p, 10, &touchbook_revision);
338}
339early_param("tbr", early_touchbook_revision);
340
341static void __init omap3_touchbook_init(void)
342{
343 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
344
345 pm_power_off = omap3_touchbook_poweroff;
346
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 }
353 omap_hsmmc_init(mmc);
354
355 omap3_touchbook_i2c_init();
356 platform_add_devices(omap3_touchbook_devices,
357 ARRAY_SIZE(omap3_touchbook_devices));
358 omap_serial_init();
359 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
360 mt46h32m32lf6_sdrc_params);
361
362 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
363
364 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
365
366
367 omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
368 usb_musb_init(NULL);
369 usbhs_init(&usbhs_bdata);
370 board_nand_init(omap3touchbook_nand_partitions,
371 ARRAY_SIZE(omap3touchbook_nand_partitions), NAND_CS,
372 NAND_BUSWIDTH_16, NULL);
373
374
375 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
376 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
377}
378
379MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
380
381 .atag_offset = 0x100,
382 .reserve = omap_reserve,
383 .map_io = omap3_map_io,
384 .init_early = omap3430_init_early,
385 .init_irq = omap3_init_irq,
386 .handle_irq = omap3_intc_handle_irq,
387 .init_machine = omap3_touchbook_init,
388 .init_late = omap3430_init_late,
389 .timer = &omap3_secure_timer,
390 .restart = omap3xxx_restart,
391MACHINE_END
392
