1/*
2 * Hardware definitions for PalmTX
3 *
4 * Author:     Marek Vasut <marek.vasut@gmail.com>
5 *
6 * Based on work of:
7 *		Alex Osborne <ato@meshy.org>
8 *		Cristiano P. <cristianop@users.sourceforge.net>
9 *		Jan Herman <2hp@seznam.cz>
10 *		Michal Hrusecky
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 *
16 * (find more info at www.hackndev.com)
17 *
18 */
19
20#include <linux/platform_device.h>
21#include <linux/delay.h>
22#include <linux/irq.h>
23#include <linux/gpio_keys.h>
24#include <linux/input.h>
25#include <linux/pda_power.h>
26#include <linux/pwm_backlight.h>
27#include <linux/gpio.h>
28#include <linux/wm97xx.h>
29#include <linux/power_supply.h>
30#include <linux/usb/gpio_vbus.h>
31#include <linux/mtd/nand.h>
32#include <linux/mtd/partitions.h>
33#include <linux/mtd/mtd.h>
34#include <linux/mtd/physmap.h>
35
36#include <asm/mach-types.h>
37#include <asm/mach/arch.h>
38#include <asm/mach/map.h>
39
40#include <mach/pxa27x.h>
41#include <mach/audio.h>
42#include <mach/palmtx.h>
43#include <linux/platform_data/mmc-pxamci.h>
44#include <linux/platform_data/video-pxafb.h>
45#include <linux/platform_data/irda-pxaficp.h>
46#include <linux/platform_data/keypad-pxa27x.h>
47#include <mach/udc.h>
48#include <linux/platform_data/asoc-palm27x.h>
49#include <mach/palm27x.h>
50
51#include "generic.h"
52#include "devices.h"
53
54/******************************************************************************
55 * Pin configuration
56 ******************************************************************************/
57static unsigned long palmtx_pin_config[] __initdata = {
58	/* MMC */
59	GPIO32_MMC_CLK,
60	GPIO92_MMC_DAT_0,
61	GPIO109_MMC_DAT_1,
62	GPIO110_MMC_DAT_2,
63	GPIO111_MMC_DAT_3,
64	GPIO112_MMC_CMD,
65	GPIO14_GPIO,	/* SD detect */
66	GPIO114_GPIO,	/* SD power */
67	GPIO115_GPIO,	/* SD r/o switch */
68
69	/* AC97 */
70	GPIO28_AC97_BITCLK,
71	GPIO29_AC97_SDATA_IN_0,
72	GPIO30_AC97_SDATA_OUT,
73	GPIO31_AC97_SYNC,
74	GPIO89_AC97_SYSCLK,
75	GPIO95_AC97_nRESET,
76
77	/* IrDA */
78	GPIO40_GPIO,	/* ir disable */
79	GPIO46_FICP_RXD,
80	GPIO47_FICP_TXD,
81
82	/* PWM */
83	GPIO16_PWM0_OUT,
84
85	/* USB */
86	GPIO13_GPIO,	/* usb detect */
87	GPIO93_GPIO,	/* usb power */
88
89	/* PCMCIA */
90	GPIO48_nPOE,
91	GPIO49_nPWE,
92	GPIO50_nPIOR,
93	GPIO51_nPIOW,
94	GPIO85_nPCE_1,
95	GPIO54_nPCE_2,
96	GPIO79_PSKTSEL,
97	GPIO55_nPREG,
98	GPIO56_nPWAIT,
99	GPIO57_nIOIS16,
100	GPIO94_GPIO,	/* wifi power 1 */
101	GPIO108_GPIO,	/* wifi power 2 */
102	GPIO116_GPIO,	/* wifi ready */
103
104	/* MATRIX KEYPAD */
105	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
106	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
107	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
108	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
109	GPIO103_KP_MKOUT_0,
110	GPIO104_KP_MKOUT_1,
111	GPIO105_KP_MKOUT_2,
112
113	/* LCD */
114	GPIOxx_LCD_TFT_16BPP,
115
116	/* FFUART */
117	GPIO34_FFUART_RXD,
118	GPIO39_FFUART_TXD,
119
120	/* NAND */
121	GPIO15_nCS_1,
122	GPIO18_RDY,
123
124	/* MISC. */
125	GPIO10_GPIO,	/* hotsync button */
126	GPIO12_GPIO,	/* power detect */
127	GPIO107_GPIO,	/* earphone detect */
128};
129
130/******************************************************************************
131 * NOR Flash
132 ******************************************************************************/
133#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
134static struct mtd_partition palmtx_partitions[] = {
135	{
136		.name		= "Flash",
137		.offset		= 0x00000000,
138		.size		= MTDPART_SIZ_FULL,
139		.mask_flags	= 0
140	}
141};
142
143static struct physmap_flash_data palmtx_flash_data[] = {
144	{
145		.width		= 2,			/* bankwidth in bytes */
146		.parts		= palmtx_partitions,
147		.nr_parts	= ARRAY_SIZE(palmtx_partitions)
148	}
149};
150
151static struct resource palmtx_flash_resource = {
152	.start	= PXA_CS0_PHYS,
153	.end	= PXA_CS0_PHYS + SZ_8M - 1,
154	.flags	= IORESOURCE_MEM,
155};
156
157static struct platform_device palmtx_flash = {
158	.name		= "physmap-flash",
159	.id		= 0,
160	.resource	= &palmtx_flash_resource,
161	.num_resources	= 1,
162	.dev 		= {
163		.platform_data = palmtx_flash_data,
164	},
165};
166
167static void __init palmtx_nor_init(void)
168{
169	platform_device_register(&palmtx_flash);
170}
171#else
172static inline void palmtx_nor_init(void) {}
173#endif
174
175/******************************************************************************
176 * GPIO keyboard
177 ******************************************************************************/
178#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
179static const unsigned int palmtx_matrix_keys[] = {
180	KEY(0, 0, KEY_POWER),
181	KEY(0, 1, KEY_F1),
182	KEY(0, 2, KEY_ENTER),
183
184	KEY(1, 0, KEY_F2),
185	KEY(1, 1, KEY_F3),
186	KEY(1, 2, KEY_F4),
187
188	KEY(2, 0, KEY_UP),
189	KEY(2, 2, KEY_DOWN),
190
191	KEY(3, 0, KEY_RIGHT),
192	KEY(3, 2, KEY_LEFT),
193};
194
195static struct matrix_keymap_data palmtx_matrix_keymap_data = {
196	.keymap			= palmtx_matrix_keys,
197	.keymap_size		= ARRAY_SIZE(palmtx_matrix_keys),
198};
199
200static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
201	.matrix_key_rows	= 4,
202	.matrix_key_cols	= 3,
203	.matrix_keymap_data	= &palmtx_matrix_keymap_data,
204
205	.debounce_interval	= 30,
206};
207
208static void __init palmtx_kpc_init(void)
209{
210	pxa_set_keypad_info(&palmtx_keypad_platform_data);
211}
212#else
213static inline void palmtx_kpc_init(void) {}
214#endif
215
216/******************************************************************************
217 * GPIO keys
218 ******************************************************************************/
219#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
220static struct gpio_keys_button palmtx_pxa_buttons[] = {
221	{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
222};
223
224static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
225	.buttons	= palmtx_pxa_buttons,
226	.nbuttons	= ARRAY_SIZE(palmtx_pxa_buttons),
227};
228
229static struct platform_device palmtx_pxa_keys = {
230	.name	= "gpio-keys",
231	.id	= -1,
232	.dev	= {
233		.platform_data = &palmtx_pxa_keys_data,
234	},
235};
236
237static void __init palmtx_keys_init(void)
238{
239	platform_device_register(&palmtx_pxa_keys);
240}
241#else
242static inline void palmtx_keys_init(void) {}
243#endif
244
245/******************************************************************************
246 * NAND Flash
247 ******************************************************************************/
248#if defined(CONFIG_MTD_NAND_PLATFORM) || \
249	defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
250static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd,
251				 unsigned int ctrl)
252{
253	struct nand_chip *this = mtd->priv;
254	char __iomem *nandaddr = this->IO_ADDR_W;
255
256	if (cmd == NAND_CMD_NONE)
257		return;
258
259	if (ctrl & NAND_CLE)
260		writeb(cmd, PALMTX_NAND_CLE_VIRT);
261	else if (ctrl & NAND_ALE)
262		writeb(cmd, PALMTX_NAND_ALE_VIRT);
263	else
264		writeb(cmd, nandaddr);
265}
266
267static struct mtd_partition palmtx_partition_info[] = {
268	[0] = {
269		.name	= "palmtx-0",
270		.offset	= 0,
271		.size	= MTDPART_SIZ_FULL
272	},
273};
274
275struct platform_nand_data palmtx_nand_platdata = {
276	.chip	= {
277		.nr_chips		= 1,
278		.chip_offset		= 0,
279		.nr_partitions		= ARRAY_SIZE(palmtx_partition_info),
280		.partitions		= palmtx_partition_info,
281		.chip_delay		= 20,
282	},
283	.ctrl	= {
284		.cmd_ctrl	= palmtx_nand_cmd_ctl,
285	},
286};
287
288static struct resource palmtx_nand_resource[] = {
289	[0]	= {
290		.start	= PXA_CS1_PHYS,
291		.end	= PXA_CS1_PHYS + SZ_1M - 1,
292		.flags	= IORESOURCE_MEM,
293	},
294};
295
296static struct platform_device palmtx_nand = {
297	.name		= "gen_nand",
298	.num_resources	= ARRAY_SIZE(palmtx_nand_resource),
299	.resource	= palmtx_nand_resource,
300	.id		= -1,
301	.dev		= {
302		.platform_data	= &palmtx_nand_platdata,
303	}
304};
305
306static void __init palmtx_nand_init(void)
307{
308	platform_device_register(&palmtx_nand);
309}
310#else
311static inline void palmtx_nand_init(void) {}
312#endif
313
314/******************************************************************************
315 * Machine init
316 ******************************************************************************/
317static struct map_desc palmtx_io_desc[] __initdata = {
318{
319	.virtual	= (unsigned long)PALMTX_PCMCIA_VIRT,
320	.pfn		= __phys_to_pfn(PALMTX_PCMCIA_PHYS),
321	.length		= PALMTX_PCMCIA_SIZE,
322	.type		= MT_DEVICE,
323}, {
324	.virtual	= (unsigned long)PALMTX_NAND_ALE_VIRT,
325	.pfn		= __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
326	.length		= SZ_1M,
327	.type		= MT_DEVICE,
328}, {
329	.virtual	= (unsigned long)PALMTX_NAND_CLE_VIRT,
330	.pfn		= __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
331	.length		= SZ_1M,
332	.type		= MT_DEVICE,
333}
334};
335
336static void __init palmtx_map_io(void)
337{
338	pxa27x_map_io();
339	iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
340}
341
342static void __init palmtx_init(void)
343{
344	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
345	pxa_set_ffuart_info(NULL);
346	pxa_set_btuart_info(NULL);
347	pxa_set_stuart_info(NULL);
348
349	palm27x_mmc_init(GPIO_NR_PALMTX_SD_DETECT_N, GPIO_NR_PALMTX_SD_READONLY,
350			GPIO_NR_PALMTX_SD_POWER, 0);
351	palm27x_pm_init(PALMTX_STR_BASE);
352	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
353	palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
354			GPIO_NR_PALMTX_USB_PULLUP, 1);
355	palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
356	palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
357			GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
358	palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
359	palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
360	palm27x_pmic_init();
361	palmtx_kpc_init();
362	palmtx_keys_init();
363	palmtx_nor_init();
364	palmtx_nand_init();
365}
366
367MACHINE_START(PALMTX, "Palm T|X")
368	.atag_offset	= 0x100,
369	.map_io		= palmtx_map_io,
370	.nr_irqs	= PXA_NR_IRQS,
371	.init_irq	= pxa27x_init_irq,
372	.handle_irq	= pxa27x_handle_irq,
373	.init_time	= pxa_timer_init,
374	.init_machine	= palmtx_init,
375	.restart	= pxa_restart,
376MACHINE_END
377