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  • only in /asuswrt-rt-n18u-9.0.0.4.380.2695/release/src-rt-6.x.4708/linux/linux-2.6/arch/arm/mach-pxa/
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 <mach/mmc.h>
44#include <mach/pxafb.h>
45#include <mach/irda.h>
46#include <mach/pxa27x_keypad.h>
47#include <mach/udc.h>
48#include <mach/palmasoc.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 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 pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
196	.matrix_key_rows	= 4,
197	.matrix_key_cols	= 3,
198	.matrix_key_map		= palmtx_matrix_keys,
199	.matrix_key_map_size	= ARRAY_SIZE(palmtx_matrix_keys),
200
201	.debounce_interval	= 30,
202};
203
204static void __init palmtx_kpc_init(void)
205{
206	pxa_set_keypad_info(&palmtx_keypad_platform_data);
207}
208#else
209static inline void palmtx_kpc_init(void) {}
210#endif
211
212/******************************************************************************
213 * GPIO keys
214 ******************************************************************************/
215#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
216static struct gpio_keys_button palmtx_pxa_buttons[] = {
217	{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
218};
219
220static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
221	.buttons	= palmtx_pxa_buttons,
222	.nbuttons	= ARRAY_SIZE(palmtx_pxa_buttons),
223};
224
225static struct platform_device palmtx_pxa_keys = {
226	.name	= "gpio-keys",
227	.id	= -1,
228	.dev	= {
229		.platform_data = &palmtx_pxa_keys_data,
230	},
231};
232
233static void __init palmtx_keys_init(void)
234{
235	platform_device_register(&palmtx_pxa_keys);
236}
237#else
238static inline void palmtx_keys_init(void) {}
239#endif
240
241/******************************************************************************
242 * NAND Flash
243 ******************************************************************************/
244#if defined(CONFIG_MTD_NAND_GPIO) || defined(CONFIG_MTD_NAND_GPIO_MODULE)
245static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd,
246				 unsigned int ctrl)
247{
248	struct nand_chip *this = mtd->priv;
249	unsigned long nandaddr = (unsigned long)this->IO_ADDR_W;
250
251	if (cmd == NAND_CMD_NONE)
252		return;
253
254	if (ctrl & NAND_CLE)
255		writeb(cmd, PALMTX_NAND_CLE_VIRT);
256	else if (ctrl & NAND_ALE)
257		writeb(cmd, PALMTX_NAND_ALE_VIRT);
258	else
259		writeb(cmd, nandaddr);
260}
261
262static struct mtd_partition palmtx_partition_info[] = {
263	[0] = {
264		.name	= "palmtx-0",
265		.offset	= 0,
266		.size	= MTDPART_SIZ_FULL
267	},
268};
269
270static const char *palmtx_part_probes[] = { "cmdlinepart", NULL };
271
272struct platform_nand_data palmtx_nand_platdata = {
273	.chip	= {
274		.nr_chips		= 1,
275		.chip_offset		= 0,
276		.nr_partitions		= ARRAY_SIZE(palmtx_partition_info),
277		.partitions		= palmtx_partition_info,
278		.chip_delay		= 20,
279		.part_probe_types 	= palmtx_part_probes,
280	},
281	.ctrl	= {
282		.cmd_ctrl	= palmtx_nand_cmd_ctl,
283	},
284};
285
286static struct resource palmtx_nand_resource[] = {
287	[0]	= {
288		.start	= PXA_CS1_PHYS,
289		.end	= PXA_CS1_PHYS + SZ_1M - 1,
290		.flags	= IORESOURCE_MEM,
291	},
292};
293
294static struct platform_device palmtx_nand = {
295	.name		= "gen_nand",
296	.num_resources	= ARRAY_SIZE(palmtx_nand_resource),
297	.resource	= palmtx_nand_resource,
298	.id		= -1,
299	.dev		= {
300		.platform_data	= &palmtx_nand_platdata,
301	}
302};
303
304static void __init palmtx_nand_init(void)
305{
306	platform_device_register(&palmtx_nand);
307}
308#else
309static inline void palmtx_nand_init(void) {}
310#endif
311
312/******************************************************************************
313 * Machine init
314 ******************************************************************************/
315static struct map_desc palmtx_io_desc[] __initdata = {
316{
317	.virtual	= PALMTX_PCMCIA_VIRT,
318	.pfn		= __phys_to_pfn(PALMTX_PCMCIA_PHYS),
319	.length		= PALMTX_PCMCIA_SIZE,
320	.type		= MT_DEVICE,
321}, {
322	.virtual	= PALMTX_NAND_ALE_VIRT,
323	.pfn		= __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
324	.length		= SZ_1M,
325	.type		= MT_DEVICE,
326}, {
327	.virtual	= PALMTX_NAND_CLE_VIRT,
328	.pfn		= __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
329	.length		= SZ_1M,
330	.type		= MT_DEVICE,
331}
332};
333
334static void __init palmtx_map_io(void)
335{
336	pxa_map_io();
337	iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
338}
339
340static void __init palmtx_init(void)
341{
342	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
343	pxa_set_ffuart_info(NULL);
344	pxa_set_btuart_info(NULL);
345	pxa_set_stuart_info(NULL);
346
347	palm27x_mmc_init(GPIO_NR_PALMTX_SD_DETECT_N, GPIO_NR_PALMTX_SD_READONLY,
348			GPIO_NR_PALMTX_SD_POWER, 0);
349	palm27x_pm_init(PALMTX_STR_BASE);
350	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
351	palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
352			GPIO_NR_PALMTX_USB_PULLUP, 1);
353	palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
354	palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
355			GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
356	palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
357	palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
358	palm27x_pmic_init();
359	palmtx_kpc_init();
360	palmtx_keys_init();
361	palmtx_nor_init();
362	palmtx_nand_init();
363}
364
365MACHINE_START(PALMTX, "Palm T|X")
366	.phys_io	= PALMTX_PHYS_IO_START,
367	.io_pg_offst	= io_p2v(0x40000000),
368	.boot_params	= 0xa0000100,
369	.map_io		= palmtx_map_io,
370	.init_irq	= pxa27x_init_irq,
371	.timer		= &pxa_timer,
372	.init_machine	= palmtx_init
373MACHINE_END
374