aboutsummaryrefslogtreecommitdiff
path: root/arch/arm/mach-pxa/palm27x.c
blob: 405b92a29793d80fa771546418d78b4bec7094cd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
/*
 * Common code for Palm LD, T5, TX, Z72
 *
 * Copyright (C) 2010
 * Marek Vasut <marek.vasut@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 *
 */

#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/irq.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>
#include <linux/wm97xx.h>
#include <linux/power_supply.h>
#include <linux/usb/gpio_vbus.h>
#include <linux/regulator/max1586.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>

#include <mach/pxa27x.h>
#include <mach/audio.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include <mach/irda.h>
#include <mach/udc.h>
#include <mach/palmasoc.h>
#include <mach/palm27x.h>

#include <plat/i2c.h>

#include "generic.h"
#include "devices.h"

/******************************************************************************
 * SD/MMC card controller
 ******************************************************************************/
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data palm27x_mci_platform_data = {
	.ocr_mask		= MMC_VDD_32_33 | MMC_VDD_33_34,
	.detect_delay_ms	= 200,
};

void __init palm27x_mmc_init(int detect, int ro, int power,
					int power_inverted)
{
	palm27x_mci_platform_data.gpio_card_detect	= detect;
	palm27x_mci_platform_data.gpio_card_ro		= ro;
	palm27x_mci_platform_data.gpio_power		= power;
	palm27x_mci_platform_data.gpio_power_invert	= power_inverted;

	pxa_set_mci_info(&palm27x_mci_platform_data);
}
#endif

/******************************************************************************
 * Power management - standby
 ******************************************************************************/
#if defined(CONFIG_SUSPEND)
void __init palm27x_pm_init(unsigned long str_base)
{
	static const unsigned long resume[] = {
		0xe3a00101,	/* mov	r0,	#0x40000000 */
		0xe380060f,	/* orr	r0, r0, #0x00f00000 */
		0xe590f008,	/* ldr	pc, [r0, #0x08] */
	};

	/*
	 * Copy the bootloader.
	 * NOTE: PalmZ72 uses a different wakeup method!
	 */
	memcpy(phys_to_virt(str_base), resume, sizeof(resume));
}
#endif

/******************************************************************************
 * Framebuffer
 ******************************************************************************/
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
struct pxafb_mode_info palm_320x480_lcd_mode = {
	.pixclock	= 57692,
	.xres		= 320,
	.yres		= 480,
	.bpp		= 16,

	.left_margin	= 32,
	.right_margin	= 1,
	.upper_margin	= 7,
	.lower_margin	= 1,

	.hsync_len	= 4,
	.vsync_len	= 1,
};

struct pxafb_mode_info palm_320x320_lcd_mode = {
	.pixclock	= 115384,
	.xres		= 320,
	.yres		= 320,
	.bpp		= 16,

	.left_margin	= 27,
	.right_margin	= 7,
	.upper_margin	= 7,
	.lower_margin	= 8,

	.hsync_len	= 6,
	.vsync_len	= 1,
};

struct pxafb_mode_info palm_320x320_new_lcd_mode = {
	.pixclock	= 86538,
	.xres		= 320,
	.yres		= 320,
	.bpp		= 16,

	.left_margin	= 20,
	.right_margin	= 8,
	.upper_margin	= 8,
	.lower_margin	= 5,

	.hsync_len	= 4,
	.vsync_len	= 1,
};

static struct pxafb_mach_info palm27x_lcd_screen = {
	.num_modes	= 1,
	.lcd_conn	= LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};

static int palm27x_lcd_power;
static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
{
	gpio_set_value(palm27x_lcd_power, on);
}

void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
{
	palm27x_lcd_screen.modes = mode;

	if (gpio_is_valid(power)) {
		if (!gpio_request(power, "LCD power")) {
			pr_err("Palm27x: failed to claim lcd power gpio!\n");
			return;
		}
		if (!gpio_direction_output(power, 1)) {
			pr_err("Palm27x: lcd power configuration failed!\n");
			return;
		}
		palm27x_lcd_power = power;
		palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
	}

	set_pxa_fb_info(&palm27x_lcd_screen);
}
#endif

/******************************************************************************
 * USB Gadget
 ******************************************************************************/
#if	defined(CONFIG_USB_GADGET_PXA27X) || \
	defined(CONFIG_USB_GADGET_PXA27X_MODULE)
static struct gpio_vbus_mach_info palm27x_udc_info = {
	.gpio_vbus_inverted	= 1,
};

static struct platform_device palm27x_gpio_vbus = {
	.name	= "gpio-vbus",
	.id	= -1,
	.dev	= {
		.platform_data	= &palm27x_udc_info,
	},
};

void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
{
	palm27x_udc_info.gpio_vbus	= vbus;
	palm27x_udc_info.gpio_pullup	= pullup;

	palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;

	if (!gpio_request(pullup, "USB Pullup")) {
		gpio_direction_output(pullup,
			palm27x_udc_info.gpio_vbus_inverted);
		gpio_free(pullup);
	} else
		return;

	platform_device_register(&palm27x_gpio_vbus);
}
#endif

/******************************************************************************
 * IrDA
 ******************************************************************************/
#if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
static struct pxaficp_platform_data palm27x_ficp_platform_data = {
	.transceiver_cap	= IR_SIRMODE | IR_OFF,
};

void __init palm27x_irda_init(int pwdn)
{
	palm27x_ficp_platform_data.gpio_pwdown = pwdn;
	pxa_set_ficp_info(&palm27x_ficp_platform_data);
}
#endif

/******************************************************************************
 * WM97xx audio, battery
 ******************************************************************************/
#if	defined(CONFIG_TOUCHSCREEN_WM97XX) || \
	defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
static struct wm97xx_batt_pdata palm27x_batt_pdata = {
	.batt_aux	= WM97XX_AUX_ID3,
	.temp_aux	= WM97XX_AUX_ID2,
	.charge_gpio	= -1,
	.batt_mult	= 1000,
	.batt_div	= 414,
	.temp_mult	= 1,
	.temp_div	= 1,
	.batt_tech	= POWER_SUPPLY_TECHNOLOGY_LIPO,
	.batt_name	= "main-batt",
};

static struct wm97xx_pdata palm27x_wm97xx_pdata = {
	.batt_pdata	= &palm27x_batt_pdata,
};

static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
	.codec_pdata	= { &palm27x_wm97xx_pdata, },
};

static struct palm27x_asoc_info palm27x_asoc_pdata = {
	.jack_gpio	= -1,
};

static struct platform_device palm27x_asoc = {
	.name = "palm27x-asoc",
	.id   = -1,
	.dev  = {
		.platform_data = &palm27x_asoc_pdata,
	},
};

void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
{
	palm27x_ac97_pdata.reset_gpio	= reset;
	palm27x_asoc_pdata.jack_gpio	= jack;

	if (minv < 0 || maxv < 0) {
		palm27x_ac97_pdata.codec_pdata[0] = NULL;
		pxa_set_ac97_info(&palm27x_ac97_pdata);
	} else {
		palm27x_batt_pdata.min_voltage	= minv,
		palm27x_batt_pdata.max_voltage	= maxv,

		pxa_set_ac97_info(&palm27x_ac97_pdata);
		platform_device_register(&palm27x_asoc);
	}
}
#endif

/******************************************************************************
 * Backlight
 ******************************************************************************/
#if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
static int palm_bl_power;
static int palm_lcd_power;

static int palm27x_backlight_init(struct device *dev)
{
	int ret;

	ret = gpio_request(palm_bl_power, "BL POWER");
	if (ret)
		goto err;
	ret = gpio_direction_output(palm_bl_power, 0);
	if (ret)
		goto err2;

	if (gpio_is_valid(palm_lcd_power)) {
		ret = gpio_request(palm_lcd_power, "LCD POWER");
		if (ret)
			goto err2;
		ret = gpio_direction_output(palm_lcd_power, 0);
		if (ret)
			goto err3;
	}

	return 0;
err3:
	gpio_free(palm_lcd_power);
err2:
	gpio_free(palm_bl_power);
err:
	return ret;
}

static int palm27x_backlight_notify(struct device *dev, int brightness)
{
	gpio_set_value(palm_bl_power, brightness);
	if (gpio_is_valid(palm_lcd_power))
		gpio_set_value(palm_lcd_power, brightness);
	return brightness;
}

static void palm27x_backlight_exit(struct device *dev)
{
	gpio_free(palm_bl_power);
	if (gpio_is_valid(palm_lcd_power))
		gpio_free(palm_lcd_power);
}

static struct platform_pwm_backlight_data palm27x_backlight_data = {
	.pwm_id		= 0,
	.max_brightness	= 0xfe,
	.dft_brightness	= 0x7e,
	.pwm_period_ns	= 3500,
	.init		= palm27x_backlight_init,
	.notify		= palm27x_backlight_notify,
	.exit		= palm27x_backlight_exit,
};

static struct platform_device palm27x_backlight = {
	.name	= "pwm-backlight",
	.dev	= {
		.parent		= &pxa27x_device_pwm0.dev,
		.platform_data	= &palm27x_backlight_data,
	},
};

void __init palm27x_pwm_init(int bl, int lcd)
{
	palm_bl_power	= bl;
	palm_lcd_power	= lcd;
	platform_device_register(&palm27x_backlight);
}
#endif

/******************************************************************************
 * Power supply
 ******************************************************************************/
#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
static int palm_ac_state;
static int palm_usb_state;

static int palm27x_power_supply_init(struct device *dev)
{
	int ret;

	ret = gpio_request(palm_ac_state, "AC state");
	if (ret)
		goto err1;
	ret = gpio_direction_input(palm_ac_state);
	if (ret)
		goto err2;

	if (gpio_is_valid(palm_usb_state)) {
		ret = gpio_request(palm_usb_state, "USB state");
		if (ret)
			goto err2;
		ret = gpio_direction_input(palm_usb_state);
		if (ret)
			goto err3;
	}

	return 0;
err3:
	gpio_free(palm_usb_state);
err2:
	gpio_free(palm_ac_state);
err1:
	return ret;
}

static void palm27x_power_supply_exit(struct device *dev)
{
	gpio_free(palm_usb_state);
	gpio_free(palm_ac_state);
}

static int palm27x_is_ac_online(void)
{
	return gpio_get_value(palm_ac_state);
}

static int palm27x_is_usb_online(void)
{
	return !gpio_get_value(palm_usb_state);
}
static char *palm27x_supplicants[] = {
	"main-battery",
};

static struct pda_power_pdata palm27x_ps_info = {
	.init			= palm27x_power_supply_init,
	.exit			= palm27x_power_supply_exit,
	.is_ac_online		= palm27x_is_ac_online,
	.is_usb_online		= palm27x_is_usb_online,
	.supplied_to		= palm27x_supplicants,
	.num_supplicants	= ARRAY_SIZE(palm27x_supplicants),
};

static struct platform_device palm27x_power_supply = {
	.name = "pda-power",
	.id   = -1,
	.dev  = {
		.platform_data = &palm27x_ps_info,
	},
};

void __init palm27x_power_init(int ac, int usb)
{
	palm_ac_state	= ac;
	palm_usb_state	= usb;
	platform_device_register(&palm27x_power_supply);
}
#endif

/******************************************************************************
 * Core power regulator
 ******************************************************************************/
#if defined(CONFIG_REGULATOR_MAX1586) || \
    defined(CONFIG_REGULATOR_MAX1586_MODULE)
static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
	{
		.supply	= "vcc_core",
	}
};

static struct regulator_init_data palm27x_max1587a_v3_info = {
	.constraints = {
		.name		= "vcc_core range",
		.min_uV		= 900000,
		.max_uV		= 1705000,
		.always_on	= 1,
		.valid_ops_mask	= REGULATOR_CHANGE_VOLTAGE,
	},
	.consumer_supplies	= palm27x_max1587a_consumers,
	.num_consumer_supplies	= ARRAY_SIZE(palm27x_max1587a_consumers),
};

static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
	{
		.name		= "vcc_core",
		.id		= MAX1586_V3,
		.platform_data	= &palm27x_max1587a_v3_info,
	}
};

static struct max1586_platform_data palm27x_max1587a_info = {
	.subdevs     = palm27x_max1587a_subdevs,
	.num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
	.v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
};

static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
	{
		I2C_BOARD_INFO("max1586", 0x14),
		.platform_data	= &palm27x_max1587a_info,
	},
};

static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
	.use_pio	= 1,
};

void __init palm27x_pmic_init(void)
{
	i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
	pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
}
#endif