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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>
30#include <linux/mmc/host.h>
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>
38#include <linux/i2c/twl.h>
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>
45#include <asm/system_info.h>
46
47#include <plat/board.h>
48#include "common.h"
49#include <plat/gpmc.h>
50#include <plat/nand.h>
51#include <plat/usb.h>
52
53#include "mux.h"
54#include "hsmmc.h"
55#include "common-board-devices.h"
56
57#include <asm/setup.h>
58
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
64static unsigned long touchbook_revision;
65
66static 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
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 {} /* Terminator */
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 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
123 mmc[0].gpio_cd = gpio + 0;
124 omap_hsmmc_late_init(mmc);
125
126 /* REVISIT: need ehci-omap hooks for external VBUS
127 * power switch and overcurrent detect
128 */
129 gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
130
131 /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
132 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
133 "nEN_USB_PWR");
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
141static struct twl4030_gpio_platform_data touchbook_gpio_data = {
142 .gpio_base = OMAP_MAX_GPIO_LINES,
143 .irq_base = TWL4030_GPIO_IRQ_BASE,
144 .irq_end = TWL4030_GPIO_IRQ_END,
145 .use_leds = true,
146 .pullups = BIT(1),
147 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
148 | BIT(15) | BIT(16) | BIT(17),
149 .setup = touchbook_twl_gpio_setup,
150};
151
152static struct regulator_consumer_supply touchbook_vdac_supply[] = {
153{
154 .supply = "vdac",
155},
156};
157
158static struct regulator_consumer_supply touchbook_vdvi_supply[] = {
159{
160 .supply = "vdvi",
161},
162};
163
164/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
165static struct regulator_init_data touchbook_vmmc1 = {
166 .constraints = {
167 .min_uV = 1850000,
168 .max_uV = 3150000,
169 .valid_modes_mask = REGULATOR_MODE_NORMAL
170 | REGULATOR_MODE_STANDBY,
171 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
172 | REGULATOR_CHANGE_MODE
173 | REGULATOR_CHANGE_STATUS,
174 },
175 .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply),
176 .consumer_supplies = touchbook_vmmc1_supply,
177};
178
179/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
180static struct regulator_init_data touchbook_vsim = {
181 .constraints = {
182 .min_uV = 1800000,
183 .max_uV = 3000000,
184 .valid_modes_mask = REGULATOR_MODE_NORMAL
185 | REGULATOR_MODE_STANDBY,
186 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
187 | REGULATOR_CHANGE_MODE
188 | REGULATOR_CHANGE_STATUS,
189 },
190 .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply),
191 .consumer_supplies = touchbook_vsim_supply,
192};
193
194static struct twl4030_platform_data touchbook_twldata = {
195 /* platform_data for children goes here */
196 .gpio = &touchbook_gpio_data,
197 .vmmc1 = &touchbook_vmmc1,
198 .vsim = &touchbook_vsim,
199};
200
201static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
202 {
203 I2C_BOARD_INFO("bq27200", 0x55),
204 },
205};
206
207static int __init omap3_touchbook_i2c_init(void)
208{
209 /* Standard TouchBook bus */
210 omap3_pmic_get_config(&touchbook_twldata,
211 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
212 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
213
214 touchbook_twldata.vdac->num_consumer_supplies =
215 ARRAY_SIZE(touchbook_vdac_supply);
216 touchbook_twldata.vdac->consumer_supplies = touchbook_vdac_supply;
217
218 touchbook_twldata.vpll2->constraints.name = "VDVI";
219 touchbook_twldata.vpll2->num_consumer_supplies =
220 ARRAY_SIZE(touchbook_vdvi_supply);
221 touchbook_twldata.vpll2->consumer_supplies = touchbook_vdvi_supply;
222
223 omap3_pmic_init("twl4030", &touchbook_twldata);
224 /* Additional TouchBook bus */
225 omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
226 ARRAY_SIZE(touchBook_i2c_boardinfo));
227
228 return 0;
229}
230
231static struct ads7846_platform_data ads7846_pdata = {
232 .x_min = 100,
233 .y_min = 265,
234 .x_max = 3950,
235 .y_max = 3750,
236 .x_plate_ohms = 40,
237 .pressure_max = 255,
238 .debounce_max = 10,
239 .debounce_tol = 5,
240 .debounce_rep = 1,
241 .gpio_pendown = OMAP3_TS_GPIO,
242 .keep_vref_on = 1,
243};
244
245static struct gpio_led gpio_leds[] = {
246 {
247 .name = "touchbook::usr0",
248 .default_trigger = "heartbeat",
249 .gpio = 150,
250 },
251 {
252 .name = "touchbook::usr1",
253 .default_trigger = "mmc0",
254 .gpio = 149,
255 },
256 {
257 .name = "touchbook::pmu_stat",
258 .gpio = -EINVAL, /* gets replaced */
259 .active_low = true,
260 },
261};
262
263static struct gpio_led_platform_data gpio_led_info = {
264 .leds = gpio_leds,
265 .num_leds = ARRAY_SIZE(gpio_leds),
266};
267
268static struct platform_device leds_gpio = {
269 .name = "leds-gpio",
270 .id = -1,
271 .dev = {
272 .platform_data = &gpio_led_info,
273 },
274};
275
276static struct gpio_keys_button gpio_buttons[] = {
277 {
278 .code = BTN_EXTRA,
279 .gpio = 7,
280 .desc = "user",
281 .wakeup = 1,
282 },
283 {
284 .code = KEY_POWER,
285 .gpio = 183,
286 .desc = "power",
287 .wakeup = 1,
288 },
289};
290
291static struct gpio_keys_platform_data gpio_key_info = {
292 .buttons = gpio_buttons,
293 .nbuttons = ARRAY_SIZE(gpio_buttons),
294};
295
296static struct platform_device keys_gpio = {
297 .name = "gpio-keys",
298 .id = -1,
299 .dev = {
300 .platform_data = &gpio_key_info,
301 },
302};
303
304#ifdef CONFIG_OMAP_MUX
305static struct omap_board_mux board_mux[] __initdata = {
306 { .reg_offset = OMAP_MUX_TERMINATOR },
307};
308#endif
309
310static struct platform_device *omap3_touchbook_devices[] __initdata = {
311 &leds_gpio,
312 &keys_gpio,
313};
314
315static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
316
317 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
318 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
319 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
320
321 .phy_reset = true,
322 .reset_gpio_port[0] = -EINVAL,
323 .reset_gpio_port[1] = 147,
324 .reset_gpio_port[2] = -EINVAL
325};
326
327static void omap3_touchbook_poweroff(void)
328{
329 int pwr_off = TB_KILL_POWER_GPIO;
330
331 if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
332 printk(KERN_ERR "Unable to get kill power GPIO\n");
333}
334
335static int __init early_touchbook_revision(char *p)
336{
337 if (!p)
338 return 0;
339
340 return strict_strtoul(p, 10, &touchbook_revision);
341}
342early_param("tbr", early_touchbook_revision);
343
344static void __init omap3_touchbook_init(void)
345{
346 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
347
348 pm_power_off = omap3_touchbook_poweroff;
349
350 if (system_rev >= 0x20 && system_rev <= 0x34301000) {
351 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
352 mmc[0].gpio_wp = 23;
353 } else {
354 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
355 }
356 omap_hsmmc_init(mmc);
357
358 omap3_touchbook_i2c_init();
359 platform_add_devices(omap3_touchbook_devices,
360 ARRAY_SIZE(omap3_touchbook_devices));
361 omap_serial_init();
362 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
363 mt46h32m32lf6_sdrc_params);
364
365 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
366 /* REVISIT leave DVI powered down until it's needed ... */
367 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
368
369 /* Touchscreen and accelerometer */
370 omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
371 usb_musb_init(NULL);
372 usbhs_init(&usbhs_bdata);
373 omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
374 ARRAY_SIZE(omap3touchbook_nand_partitions));
375
376 /* Ensure SDRC pins are mux'd for self-refresh */
377 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
378 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
379}
380
381MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
382 /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
383 .atag_offset = 0x100,
384 .reserve = omap_reserve,
385 .map_io = omap3_map_io,
386 .init_early = omap3430_init_early,
387 .init_irq = omap3_init_irq,
388 .handle_irq = omap3_intc_handle_irq,
389 .init_machine = omap3_touchbook_init,
390 .init_late = omap3430_init_late,
391 .timer = &omap3_secure_timer,
392 .restart = omap_prcm_restart,
393MACHINE_END
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>
30#include <linux/mmc/host.h>
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>
38#include <linux/i2c/twl.h>
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>
45
46#include <plat/board.h>
47#include <plat/common.h>
48#include <plat/gpmc.h>
49#include <plat/nand.h>
50#include <plat/usb.h>
51
52#include "mux.h"
53#include "hsmmc.h"
54#include "common-board-devices.h"
55
56#include <asm/setup.h>
57
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
63static unsigned long touchbook_revision;
64
65static struct mtd_partition omap3touchbook_nand_partitions[] = {
66 /* All the partition sizes are listed in terms of NAND block size */
67 {
68 .name = "X-Loader",
69 .offset = 0,
70 .size = 4 * NAND_BLOCK_SIZE,
71 .mask_flags = MTD_WRITEABLE, /* force read-only */
72 },
73 {
74 .name = "U-Boot",
75 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
76 .size = 15 * NAND_BLOCK_SIZE,
77 .mask_flags = MTD_WRITEABLE, /* force read-only */
78 },
79 {
80 .name = "U-Boot Env",
81 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
82 .size = 1 * NAND_BLOCK_SIZE,
83 },
84 {
85 .name = "Kernel",
86 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
87 .size = 32 * NAND_BLOCK_SIZE,
88 },
89 {
90 .name = "File System",
91 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
92 .size = MTDPART_SIZ_FULL,
93 },
94};
95
96#include "sdram-micron-mt46h32m32lf-6.h"
97
98static struct omap2_hsmmc_info mmc[] = {
99 {
100 .mmc = 1,
101 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
102 .gpio_wp = 29,
103 },
104 {} /* Terminator */
105};
106
107static struct platform_device omap3_touchbook_lcd_device = {
108 .name = "omap3touchbook_lcd",
109 .id = -1,
110};
111
112static struct omap_lcd_config omap3_touchbook_lcd_config __initdata = {
113 .ctrl_name = "internal",
114};
115
116static struct regulator_consumer_supply touchbook_vmmc1_supply[] = {
117 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
118};
119
120static struct regulator_consumer_supply touchbook_vsim_supply[] = {
121 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
122};
123
124static struct gpio_led gpio_leds[];
125
126static int touchbook_twl_gpio_setup(struct device *dev,
127 unsigned gpio, unsigned ngpio)
128{
129 if (system_rev >= 0x20 && system_rev <= 0x34301000) {
130 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
131 mmc[0].gpio_wp = 23;
132 } else {
133 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
134 }
135 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
136 mmc[0].gpio_cd = gpio + 0;
137 omap2_hsmmc_init(mmc);
138
139 /* REVISIT: need ehci-omap hooks for external VBUS
140 * power switch and overcurrent detect
141 */
142 gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
143
144 /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
145 gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
146 "nEN_USB_PWR");
147
148 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
149 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
150
151 return 0;
152}
153
154static struct twl4030_gpio_platform_data touchbook_gpio_data = {
155 .gpio_base = OMAP_MAX_GPIO_LINES,
156 .irq_base = TWL4030_GPIO_IRQ_BASE,
157 .irq_end = TWL4030_GPIO_IRQ_END,
158 .use_leds = true,
159 .pullups = BIT(1),
160 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
161 | BIT(15) | BIT(16) | BIT(17),
162 .setup = touchbook_twl_gpio_setup,
163};
164
165static struct regulator_consumer_supply touchbook_vdac_supply[] = {
166{
167 .supply = "vdac",
168 .dev = &omap3_touchbook_lcd_device.dev,
169},
170};
171
172static struct regulator_consumer_supply touchbook_vdvi_supply[] = {
173{
174 .supply = "vdvi",
175 .dev = &omap3_touchbook_lcd_device.dev,
176},
177};
178
179/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
180static struct regulator_init_data touchbook_vmmc1 = {
181 .constraints = {
182 .min_uV = 1850000,
183 .max_uV = 3150000,
184 .valid_modes_mask = REGULATOR_MODE_NORMAL
185 | REGULATOR_MODE_STANDBY,
186 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
187 | REGULATOR_CHANGE_MODE
188 | REGULATOR_CHANGE_STATUS,
189 },
190 .num_consumer_supplies = ARRAY_SIZE(touchbook_vmmc1_supply),
191 .consumer_supplies = touchbook_vmmc1_supply,
192};
193
194/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
195static struct regulator_init_data touchbook_vsim = {
196 .constraints = {
197 .min_uV = 1800000,
198 .max_uV = 3000000,
199 .valid_modes_mask = REGULATOR_MODE_NORMAL
200 | REGULATOR_MODE_STANDBY,
201 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
202 | REGULATOR_CHANGE_MODE
203 | REGULATOR_CHANGE_STATUS,
204 },
205 .num_consumer_supplies = ARRAY_SIZE(touchbook_vsim_supply),
206 .consumer_supplies = touchbook_vsim_supply,
207};
208
209static struct twl4030_platform_data touchbook_twldata = {
210 /* platform_data for children goes here */
211 .gpio = &touchbook_gpio_data,
212 .vmmc1 = &touchbook_vmmc1,
213 .vsim = &touchbook_vsim,
214};
215
216static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
217 {
218 I2C_BOARD_INFO("bq27200", 0x55),
219 },
220};
221
222static int __init omap3_touchbook_i2c_init(void)
223{
224 /* Standard TouchBook bus */
225 omap3_pmic_get_config(&touchbook_twldata,
226 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
227 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
228
229 touchbook_twldata.vdac->num_consumer_supplies =
230 ARRAY_SIZE(touchbook_vdac_supply);
231 touchbook_twldata.vdac->consumer_supplies = touchbook_vdac_supply;
232
233 touchbook_twldata.vpll2->constraints.name = "VDVI";
234 touchbook_twldata.vpll2->num_consumer_supplies =
235 ARRAY_SIZE(touchbook_vdvi_supply);
236 touchbook_twldata.vpll2->consumer_supplies = touchbook_vdvi_supply;
237
238 omap3_pmic_init("twl4030", &touchbook_twldata);
239 /* Additional TouchBook bus */
240 omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
241 ARRAY_SIZE(touchBook_i2c_boardinfo));
242
243 return 0;
244}
245
246static struct ads7846_platform_data ads7846_pdata = {
247 .x_min = 100,
248 .y_min = 265,
249 .x_max = 3950,
250 .y_max = 3750,
251 .x_plate_ohms = 40,
252 .pressure_max = 255,
253 .debounce_max = 10,
254 .debounce_tol = 5,
255 .debounce_rep = 1,
256 .gpio_pendown = OMAP3_TS_GPIO,
257 .keep_vref_on = 1,
258};
259
260static struct gpio_led gpio_leds[] = {
261 {
262 .name = "touchbook::usr0",
263 .default_trigger = "heartbeat",
264 .gpio = 150,
265 },
266 {
267 .name = "touchbook::usr1",
268 .default_trigger = "mmc0",
269 .gpio = 149,
270 },
271 {
272 .name = "touchbook::pmu_stat",
273 .gpio = -EINVAL, /* gets replaced */
274 .active_low = true,
275 },
276};
277
278static struct gpio_led_platform_data gpio_led_info = {
279 .leds = gpio_leds,
280 .num_leds = ARRAY_SIZE(gpio_leds),
281};
282
283static struct platform_device leds_gpio = {
284 .name = "leds-gpio",
285 .id = -1,
286 .dev = {
287 .platform_data = &gpio_led_info,
288 },
289};
290
291static struct gpio_keys_button gpio_buttons[] = {
292 {
293 .code = BTN_EXTRA,
294 .gpio = 7,
295 .desc = "user",
296 .wakeup = 1,
297 },
298 {
299 .code = KEY_POWER,
300 .gpio = 183,
301 .desc = "power",
302 .wakeup = 1,
303 },
304};
305
306static struct gpio_keys_platform_data gpio_key_info = {
307 .buttons = gpio_buttons,
308 .nbuttons = ARRAY_SIZE(gpio_buttons),
309};
310
311static struct platform_device keys_gpio = {
312 .name = "gpio-keys",
313 .id = -1,
314 .dev = {
315 .platform_data = &gpio_key_info,
316 },
317};
318
319static struct omap_board_config_kernel omap3_touchbook_config[] __initdata = {
320 { OMAP_TAG_LCD, &omap3_touchbook_lcd_config },
321};
322
323#ifdef CONFIG_OMAP_MUX
324static struct omap_board_mux board_mux[] __initdata = {
325 { .reg_offset = OMAP_MUX_TERMINATOR },
326};
327#endif
328
329static void __init omap3_touchbook_init_early(void)
330{
331 omap2_init_common_infrastructure();
332 omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
333 mt46h32m32lf6_sdrc_params);
334}
335
336static void __init omap3_touchbook_init_irq(void)
337{
338 omap3_init_irq();
339}
340
341static struct platform_device *omap3_touchbook_devices[] __initdata = {
342 &omap3_touchbook_lcd_device,
343 &leds_gpio,
344 &keys_gpio,
345};
346
347static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
348
349 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
350 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
351 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
352
353 .phy_reset = true,
354 .reset_gpio_port[0] = -EINVAL,
355 .reset_gpio_port[1] = 147,
356 .reset_gpio_port[2] = -EINVAL
357};
358
359static void omap3_touchbook_poweroff(void)
360{
361 int pwr_off = TB_KILL_POWER_GPIO;
362
363 if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
364 printk(KERN_ERR "Unable to get kill power GPIO\n");
365}
366
367static int __init early_touchbook_revision(char *p)
368{
369 if (!p)
370 return 0;
371
372 return strict_strtoul(p, 10, &touchbook_revision);
373}
374early_param("tbr", early_touchbook_revision);
375
376static void __init omap3_touchbook_init(void)
377{
378 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
379 omap_board_config = omap3_touchbook_config;
380 omap_board_config_size = ARRAY_SIZE(omap3_touchbook_config);
381
382 pm_power_off = omap3_touchbook_poweroff;
383
384 omap3_touchbook_i2c_init();
385 platform_add_devices(omap3_touchbook_devices,
386 ARRAY_SIZE(omap3_touchbook_devices));
387 omap_serial_init();
388
389 omap_mux_init_gpio(170, OMAP_PIN_INPUT);
390 /* REVISIT leave DVI powered down until it's needed ... */
391 gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
392
393 /* Touchscreen and accelerometer */
394 omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
395 usb_musb_init(NULL);
396 usbhs_init(&usbhs_bdata);
397 omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
398 ARRAY_SIZE(omap3touchbook_nand_partitions));
399
400 /* Ensure SDRC pins are mux'd for self-refresh */
401 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
402 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
403}
404
405MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
406 /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
407 .boot_params = 0x80000100,
408 .reserve = omap_reserve,
409 .map_io = omap3_map_io,
410 .init_early = omap3_touchbook_init_early,
411 .init_irq = omap3_touchbook_init_irq,
412 .init_machine = omap3_touchbook_init,
413 .timer = &omap3_secure_timer,
414MACHINE_END