summaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-pxa/palmtx.c
blob: 097b88638863e65167513fc9ca04a8be7b757244 (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
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Hardware definitions for PalmTX
 *
 * Author:     Marek Vasut <marek.vasut@gmail.com>
 *
 * Based on work of:
 *		Alex Osborne <ato@meshy.org>
 *		Cristiano P. <cristianop@users.sourceforge.net>
 *		Jan Herman <2hp@seznam.cz>
 *		Michal Hrusecky
 *
 * (find more info at www.hackndev.com)
 */

#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/mtd/platnand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>

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

#include "pxa27x.h"
#include <linux/platform_data/asoc-pxa.h>
#include <mach/palmtx.h>
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include "udc.h"
#include <linux/platform_data/asoc-palm27x.h>
#include "palm27x.h"

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

/******************************************************************************
 * Pin configuration
 ******************************************************************************/
static unsigned long palmtx_pin_config[] __initdata = {
	/* MMC */
	GPIO32_MMC_CLK,
	GPIO92_MMC_DAT_0,
	GPIO109_MMC_DAT_1,
	GPIO110_MMC_DAT_2,
	GPIO111_MMC_DAT_3,
	GPIO112_MMC_CMD,
	GPIO14_GPIO,	/* SD detect */
	GPIO114_GPIO,	/* SD power */
	GPIO115_GPIO,	/* SD r/o switch */

	/* AC97 */
	GPIO28_AC97_BITCLK,
	GPIO29_AC97_SDATA_IN_0,
	GPIO30_AC97_SDATA_OUT,
	GPIO31_AC97_SYNC,
	GPIO89_AC97_SYSCLK,
	GPIO95_AC97_nRESET,

	/* IrDA */
	GPIO40_GPIO,	/* ir disable */
	GPIO46_FICP_RXD,
	GPIO47_FICP_TXD,

	/* PWM */
	GPIO16_PWM0_OUT,

	/* USB */
	GPIO13_GPIO,	/* usb detect */
	GPIO93_GPIO,	/* usb power */

	/* PCMCIA */
	GPIO48_nPOE,
	GPIO49_nPWE,
	GPIO50_nPIOR,
	GPIO51_nPIOW,
	GPIO85_nPCE_1,
	GPIO54_nPCE_2,
	GPIO79_PSKTSEL,
	GPIO55_nPREG,
	GPIO56_nPWAIT,
	GPIO57_nIOIS16,
	GPIO94_GPIO,	/* wifi power 1 */
	GPIO108_GPIO,	/* wifi power 2 */
	GPIO116_GPIO,	/* wifi ready */

	/* MATRIX KEYPAD */
	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
	GPIO103_KP_MKOUT_0,
	GPIO104_KP_MKOUT_1,
	GPIO105_KP_MKOUT_2,

	/* LCD */
	GPIOxx_LCD_TFT_16BPP,

	/* FFUART */
	GPIO34_FFUART_RXD,
	GPIO39_FFUART_TXD,

	/* NAND */
	GPIO15_nCS_1,
	GPIO18_RDY,

	/* MISC. */
	GPIO10_GPIO,	/* hotsync button */
	GPIO12_GPIO,	/* power detect */
	GPIO107_GPIO,	/* earphone detect */
};

/******************************************************************************
 * NOR Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition palmtx_partitions[] = {
	{
		.name		= "Flash",
		.offset		= 0x00000000,
		.size		= MTDPART_SIZ_FULL,
		.mask_flags	= 0
	}
};

static struct physmap_flash_data palmtx_flash_data[] = {
	{
		.width		= 2,			/* bankwidth in bytes */
		.parts		= palmtx_partitions,
		.nr_parts	= ARRAY_SIZE(palmtx_partitions)
	}
};

static struct resource palmtx_flash_resource = {
	.start	= PXA_CS0_PHYS,
	.end	= PXA_CS0_PHYS + SZ_8M - 1,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device palmtx_flash = {
	.name		= "physmap-flash",
	.id		= 0,
	.resource	= &palmtx_flash_resource,
	.num_resources	= 1,
	.dev 		= {
		.platform_data = palmtx_flash_data,
	},
};

static void __init palmtx_nor_init(void)
{
	platform_device_register(&palmtx_flash);
}
#else
static inline void palmtx_nor_init(void) {}
#endif

/******************************************************************************
 * GPIO keyboard
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static const unsigned int palmtx_matrix_keys[] = {
	KEY(0, 0, KEY_POWER),
	KEY(0, 1, KEY_F1),
	KEY(0, 2, KEY_ENTER),

	KEY(1, 0, KEY_F2),
	KEY(1, 1, KEY_F3),
	KEY(1, 2, KEY_F4),

	KEY(2, 0, KEY_UP),
	KEY(2, 2, KEY_DOWN),

	KEY(3, 0, KEY_RIGHT),
	KEY(3, 2, KEY_LEFT),
};

static struct matrix_keymap_data palmtx_matrix_keymap_data = {
	.keymap			= palmtx_matrix_keys,
	.keymap_size		= ARRAY_SIZE(palmtx_matrix_keys),
};

static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
	.matrix_key_rows	= 4,
	.matrix_key_cols	= 3,
	.matrix_keymap_data	= &palmtx_matrix_keymap_data,

	.debounce_interval	= 30,
};

static void __init palmtx_kpc_init(void)
{
	pxa_set_keypad_info(&palmtx_keypad_platform_data);
}
#else
static inline void palmtx_kpc_init(void) {}
#endif

/******************************************************************************
 * GPIO keys
 ******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button palmtx_pxa_buttons[] = {
	{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
};

static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
	.buttons	= palmtx_pxa_buttons,
	.nbuttons	= ARRAY_SIZE(palmtx_pxa_buttons),
};

static struct platform_device palmtx_pxa_keys = {
	.name	= "gpio-keys",
	.id	= -1,
	.dev	= {
		.platform_data = &palmtx_pxa_keys_data,
	},
};

static void __init palmtx_keys_init(void)
{
	platform_device_register(&palmtx_pxa_keys);
}
#else
static inline void palmtx_keys_init(void) {}
#endif

/******************************************************************************
 * NAND Flash
 ******************************************************************************/
#if defined(CONFIG_MTD_NAND_PLATFORM) || \
	defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
				unsigned int ctrl)
{
	char __iomem *nandaddr = this->legacy.IO_ADDR_W;

	if (cmd == NAND_CMD_NONE)
		return;

	if (ctrl & NAND_CLE)
		writeb(cmd, PALMTX_NAND_CLE_VIRT);
	else if (ctrl & NAND_ALE)
		writeb(cmd, PALMTX_NAND_ALE_VIRT);
	else
		writeb(cmd, nandaddr);
}

static struct mtd_partition palmtx_partition_info[] = {
	[0] = {
		.name	= "palmtx-0",
		.offset	= 0,
		.size	= MTDPART_SIZ_FULL
	},
};

struct platform_nand_data palmtx_nand_platdata = {
	.chip	= {
		.nr_chips		= 1,
		.chip_offset		= 0,
		.nr_partitions		= ARRAY_SIZE(palmtx_partition_info),
		.partitions		= palmtx_partition_info,
		.chip_delay		= 20,
	},
	.ctrl	= {
		.cmd_ctrl	= palmtx_nand_cmd_ctl,
	},
};

static struct resource palmtx_nand_resource[] = {
	[0]	= {
		.start	= PXA_CS1_PHYS,
		.end	= PXA_CS1_PHYS + SZ_1M - 1,
		.flags	= IORESOURCE_MEM,
	},
};

static struct platform_device palmtx_nand = {
	.name		= "gen_nand",
	.num_resources	= ARRAY_SIZE(palmtx_nand_resource),
	.resource	= palmtx_nand_resource,
	.id		= -1,
	.dev		= {
		.platform_data	= &palmtx_nand_platdata,
	}
};

static void __init palmtx_nand_init(void)
{
	platform_device_register(&palmtx_nand);
}
#else
static inline void palmtx_nand_init(void) {}
#endif

/******************************************************************************
 * Machine init
 ******************************************************************************/
static struct map_desc palmtx_io_desc[] __initdata = {
{
	.virtual	= (unsigned long)PALMTX_PCMCIA_VIRT,
	.pfn		= __phys_to_pfn(PALMTX_PCMCIA_PHYS),
	.length		= PALMTX_PCMCIA_SIZE,
	.type		= MT_DEVICE,
}, {
	.virtual	= (unsigned long)PALMTX_NAND_ALE_VIRT,
	.pfn		= __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
	.length		= SZ_1M,
	.type		= MT_DEVICE,
}, {
	.virtual	= (unsigned long)PALMTX_NAND_CLE_VIRT,
	.pfn		= __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
	.length		= SZ_1M,
	.type		= MT_DEVICE,
}
};

static void __init palmtx_map_io(void)
{
	pxa27x_map_io();
	iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
}

static struct gpiod_lookup_table palmtx_mci_gpio_table = {
	.dev_id = "pxa2xx-mci.0",
	.table = {
		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_DETECT_N,
			    "cd", GPIO_ACTIVE_LOW),
		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY,
			    "wp", GPIO_ACTIVE_LOW),
		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_POWER,
			    "power", GPIO_ACTIVE_HIGH),
		{ },
	},
};

static void __init palmtx_init(void)
{
	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
	pxa_set_ffuart_info(NULL);
	pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);

	palm27x_mmc_init(&palmtx_mci_gpio_table);
	palm27x_pm_init(PALMTX_STR_BASE);
	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
	palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
			GPIO_NR_PALMTX_USB_PULLUP, 1);
	palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
	palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
			GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
	palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
	palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
	palm27x_pmic_init();
	palmtx_kpc_init();
	palmtx_keys_init();
	palmtx_nor_init();
	palmtx_nand_init();
}

MACHINE_START(PALMTX, "Palm T|X")
	.atag_offset	= 0x100,
	.map_io		= palmtx_map_io,
	.nr_irqs	= PXA_NR_IRQS,
	.init_irq	= pxa27x_init_irq,
	.handle_irq	= pxa27x_handle_irq,
	.init_time	= pxa_timer_init,
	.init_machine	= palmtx_init,
	.restart	= pxa_restart,
MACHINE_END