Remove old-style supply.dev assignments common in hsmmc init
[linux-3.10.git] / arch / arm / mach-omap2 / board-omap3touchbook.c
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: GrĂ©goire 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 "timer-gp.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
64 static unsigned long touchbook_revision;
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
97 #include "sdram-micron-mt46h32m32lf-6.h"
98
99 static 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         },
105         {}      /* Terminator */
106 };
107
108 static struct platform_device omap3_touchbook_lcd_device = {
109         .name           = "omap3touchbook_lcd",
110         .id             = -1,
111 };
112
113 static struct omap_lcd_config omap3_touchbook_lcd_config __initdata = {
114         .ctrl_name      = "internal",
115 };
116
117 static struct regulator_consumer_supply touchbook_vmmc1_supply[] = {
118         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
119 };
120
121 static struct regulator_consumer_supply touchbook_vsim_supply[] = {
122         REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
123 };
124
125 static struct gpio_led gpio_leds[];
126
127 static int touchbook_twl_gpio_setup(struct device *dev,
128                 unsigned gpio, unsigned ngpio)
129 {
130         if (system_rev >= 0x20 && system_rev <= 0x34301000) {
131                 omap_mux_init_gpio(23, OMAP_PIN_INPUT);
132                 mmc[0].gpio_wp = 23;
133         } else {
134                 omap_mux_init_gpio(29, OMAP_PIN_INPUT);
135         }
136         /* gpio + 0 is "mmc0_cd" (input/IRQ) */
137         mmc[0].gpio_cd = gpio + 0;
138         omap2_hsmmc_init(mmc);
139
140         /* REVISIT: need ehci-omap hooks for external VBUS
141          * power switch and overcurrent detect
142          */
143         gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC");
144
145         /* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
146         gpio_request_one(gpio + TWL4030_GPIO_MAX, GPIOF_OUT_INIT_LOW,
147                          "nEN_USB_PWR");
148
149         /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
150         gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
151
152         return 0;
153 }
154
155 static struct twl4030_gpio_platform_data touchbook_gpio_data = {
156         .gpio_base      = OMAP_MAX_GPIO_LINES,
157         .irq_base       = TWL4030_GPIO_IRQ_BASE,
158         .irq_end        = TWL4030_GPIO_IRQ_END,
159         .use_leds       = true,
160         .pullups        = BIT(1),
161         .pulldowns      = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
162                                 | BIT(15) | BIT(16) | BIT(17),
163         .setup          = touchbook_twl_gpio_setup,
164 };
165
166 static struct regulator_consumer_supply touchbook_vdac_supply[] = {
167 {
168         .supply         = "vdac",
169         .dev            = &omap3_touchbook_lcd_device.dev,
170 },
171 };
172
173 static struct regulator_consumer_supply touchbook_vdvi_supply[] = {
174 {
175         .supply         = "vdvi",
176         .dev            = &omap3_touchbook_lcd_device.dev,
177 },
178 };
179
180 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
181 static struct regulator_init_data touchbook_vmmc1 = {
182         .constraints = {
183                 .min_uV                 = 1850000,
184                 .max_uV                 = 3150000,
185                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
186                                         | REGULATOR_MODE_STANDBY,
187                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
188                                         | REGULATOR_CHANGE_MODE
189                                         | REGULATOR_CHANGE_STATUS,
190         },
191         .num_consumer_supplies  = ARRAY_SIZE(touchbook_vmmc1_supply),
192         .consumer_supplies      = touchbook_vmmc1_supply,
193 };
194
195 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
196 static struct regulator_init_data touchbook_vsim = {
197         .constraints = {
198                 .min_uV                 = 1800000,
199                 .max_uV                 = 3000000,
200                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
201                                         | REGULATOR_MODE_STANDBY,
202                 .valid_ops_mask         = REGULATOR_CHANGE_VOLTAGE
203                                         | REGULATOR_CHANGE_MODE
204                                         | REGULATOR_CHANGE_STATUS,
205         },
206         .num_consumer_supplies  = ARRAY_SIZE(touchbook_vsim_supply),
207         .consumer_supplies      = touchbook_vsim_supply,
208 };
209
210 /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
211 static struct regulator_init_data touchbook_vdac = {
212         .constraints = {
213                 .min_uV                 = 1800000,
214                 .max_uV                 = 1800000,
215                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
216                                         | REGULATOR_MODE_STANDBY,
217                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
218                                         | REGULATOR_CHANGE_STATUS,
219         },
220         .num_consumer_supplies  = ARRAY_SIZE(touchbook_vdac_supply),
221         .consumer_supplies      = touchbook_vdac_supply,
222 };
223
224 /* VPLL2 for digital video outputs */
225 static struct regulator_init_data touchbook_vpll2 = {
226         .constraints = {
227                 .name                   = "VDVI",
228                 .min_uV                 = 1800000,
229                 .max_uV                 = 1800000,
230                 .valid_modes_mask       = REGULATOR_MODE_NORMAL
231                                         | REGULATOR_MODE_STANDBY,
232                 .valid_ops_mask         = REGULATOR_CHANGE_MODE
233                                         | REGULATOR_CHANGE_STATUS,
234         },
235         .num_consumer_supplies  = ARRAY_SIZE(touchbook_vdvi_supply),
236         .consumer_supplies      = touchbook_vdvi_supply,
237 };
238
239 static struct twl4030_usb_data touchbook_usb_data = {
240         .usb_mode       = T2_USB_MODE_ULPI,
241 };
242
243 static struct twl4030_codec_audio_data touchbook_audio_data;
244
245 static struct twl4030_codec_data touchbook_codec_data = {
246         .audio_mclk = 26000000,
247         .audio = &touchbook_audio_data,
248 };
249
250 static struct twl4030_platform_data touchbook_twldata = {
251         .irq_base       = TWL4030_IRQ_BASE,
252         .irq_end        = TWL4030_IRQ_END,
253
254         /* platform_data for children goes here */
255         .usb            = &touchbook_usb_data,
256         .gpio           = &touchbook_gpio_data,
257         .codec          = &touchbook_codec_data,
258         .vmmc1          = &touchbook_vmmc1,
259         .vsim           = &touchbook_vsim,
260         .vdac           = &touchbook_vdac,
261         .vpll2          = &touchbook_vpll2,
262 };
263
264 static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
265         {
266                 I2C_BOARD_INFO("bq27200", 0x55),
267         },
268 };
269
270 static int __init omap3_touchbook_i2c_init(void)
271 {
272         /* Standard TouchBook bus */
273         omap3_pmic_init("twl4030", &touchbook_twldata);
274
275         /* Additional TouchBook bus */
276         omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
277                         ARRAY_SIZE(touchBook_i2c_boardinfo));
278
279         return 0;
280 }
281
282 static struct ads7846_platform_data ads7846_pdata = {
283         .x_min                  = 100,
284         .y_min                  = 265,
285         .x_max                  = 3950,
286         .y_max                  = 3750,
287         .x_plate_ohms           = 40,
288         .pressure_max           = 255,
289         .debounce_max           = 10,
290         .debounce_tol           = 5,
291         .debounce_rep           = 1,
292         .gpio_pendown           = OMAP3_TS_GPIO,
293         .keep_vref_on           = 1,
294 };
295
296 static struct gpio_led gpio_leds[] = {
297         {
298                 .name                   = "touchbook::usr0",
299                 .default_trigger        = "heartbeat",
300                 .gpio                   = 150,
301         },
302         {
303                 .name                   = "touchbook::usr1",
304                 .default_trigger        = "mmc0",
305                 .gpio                   = 149,
306         },
307         {
308                 .name                   = "touchbook::pmu_stat",
309                 .gpio                   = -EINVAL,      /* gets replaced */
310                 .active_low             = true,
311         },
312 };
313
314 static struct gpio_led_platform_data gpio_led_info = {
315         .leds           = gpio_leds,
316         .num_leds       = ARRAY_SIZE(gpio_leds),
317 };
318
319 static struct platform_device leds_gpio = {
320         .name   = "leds-gpio",
321         .id     = -1,
322         .dev    = {
323                 .platform_data  = &gpio_led_info,
324         },
325 };
326
327 static struct gpio_keys_button gpio_buttons[] = {
328         {
329                 .code                   = BTN_EXTRA,
330                 .gpio                   = 7,
331                 .desc                   = "user",
332                 .wakeup                 = 1,
333         },
334         {
335                 .code                   = KEY_POWER,
336                 .gpio                   = 183,
337                 .desc                   = "power",
338                 .wakeup                 = 1,
339         },
340 };
341
342 static struct gpio_keys_platform_data gpio_key_info = {
343         .buttons        = gpio_buttons,
344         .nbuttons       = ARRAY_SIZE(gpio_buttons),
345 };
346
347 static struct platform_device keys_gpio = {
348         .name   = "gpio-keys",
349         .id     = -1,
350         .dev    = {
351                 .platform_data  = &gpio_key_info,
352         },
353 };
354
355 static struct omap_board_config_kernel omap3_touchbook_config[] __initdata = {
356         { OMAP_TAG_LCD,         &omap3_touchbook_lcd_config },
357 };
358
359 #ifdef CONFIG_OMAP_MUX
360 static struct omap_board_mux board_mux[] __initdata = {
361         { .reg_offset = OMAP_MUX_TERMINATOR },
362 };
363 #endif
364
365 static void __init omap3_touchbook_init_early(void)
366 {
367         omap2_init_common_infrastructure();
368         omap2_init_common_devices(mt46h32m32lf6_sdrc_params,
369                                   mt46h32m32lf6_sdrc_params);
370 }
371
372 static void __init omap3_touchbook_init_irq(void)
373 {
374         omap_init_irq();
375 #ifdef CONFIG_OMAP_32K_TIMER
376         omap2_gp_clockevent_set_gptimer(12);
377 #endif
378 }
379
380 static struct platform_device *omap3_touchbook_devices[] __initdata = {
381         &omap3_touchbook_lcd_device,
382         &leds_gpio,
383         &keys_gpio,
384 };
385
386 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
387
388         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
389         .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
390         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
391
392         .phy_reset  = true,
393         .reset_gpio_port[0]  = -EINVAL,
394         .reset_gpio_port[1]  = 147,
395         .reset_gpio_port[2]  = -EINVAL
396 };
397
398 static void omap3_touchbook_poweroff(void)
399 {
400         int pwr_off = TB_KILL_POWER_GPIO;
401
402         if (gpio_request_one(pwr_off, GPIOF_OUT_INIT_LOW, "DVI reset") < 0)
403                 printk(KERN_ERR "Unable to get kill power GPIO\n");
404 }
405
406 static int __init early_touchbook_revision(char *p)
407 {
408         if (!p)
409                 return 0;
410
411         return strict_strtoul(p, 10, &touchbook_revision);
412 }
413 early_param("tbr", early_touchbook_revision);
414
415 static void __init omap3_touchbook_init(void)
416 {
417         omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
418         omap_board_config = omap3_touchbook_config;
419         omap_board_config_size = ARRAY_SIZE(omap3_touchbook_config);
420
421         pm_power_off = omap3_touchbook_poweroff;
422
423         omap3_touchbook_i2c_init();
424         platform_add_devices(omap3_touchbook_devices,
425                         ARRAY_SIZE(omap3_touchbook_devices));
426         omap_serial_init();
427
428         omap_mux_init_gpio(170, OMAP_PIN_INPUT);
429         /* REVISIT leave DVI powered down until it's needed ... */
430         gpio_request_one(176, GPIOF_OUT_INIT_HIGH, "DVI_nPD");
431
432         /* Touchscreen and accelerometer */
433         omap_ads7846_init(4, OMAP3_TS_GPIO, 310, &ads7846_pdata);
434         usb_musb_init(NULL);
435         usbhs_init(&usbhs_bdata);
436         omap_nand_flash_init(NAND_BUSWIDTH_16, omap3touchbook_nand_partitions,
437                              ARRAY_SIZE(omap3touchbook_nand_partitions));
438
439         /* Ensure SDRC pins are mux'd for self-refresh */
440         omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
441         omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
442 }
443
444 MACHINE_START(TOUCHBOOK, "OMAP3 touchbook Board")
445         /* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
446         .boot_params    = 0x80000100,
447         .reserve        = omap_reserve,
448         .map_io         = omap3_map_io,
449         .init_early     = omap3_touchbook_init_early,
450         .init_irq       = omap3_touchbook_init_irq,
451         .init_machine   = omap3_touchbook_init,
452         .timer          = &omap_timer,
453 MACHINE_END