1 /*
2  * Hardware definitions for Palm LifeDrive
3  *
4  * Author:     Marek Vasut <marek.vasut@gmail.com>
5  *
6  * Based on work of:
7  *		Alex Osborne <ato@meshy.org>
8  *
9  * This program is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License version 2 as
11  * published by the Free Software Foundation.
12  *
13  * (find more info at www.hackndev.com)
14  *
15  */
16 
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/irq.h>
20 #include <linux/gpio_keys.h>
21 #include <linux/input.h>
22 #include <linux/pda_power.h>
23 #include <linux/pwm_backlight.h>
24 #include <linux/gpio.h>
25 #include <linux/wm97xx.h>
26 #include <linux/power_supply.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/partitions.h>
29 #include <linux/mtd/physmap.h>
30 
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/map.h>
34 
35 #include <mach/pxa27x.h>
36 #include <mach/audio.h>
37 #include <mach/palmld.h>
38 #include <mach/mmc.h>
39 #include <mach/pxafb.h>
40 #include <mach/irda.h>
41 #include <plat/pxa27x_keypad.h>
42 #include <mach/palmasoc.h>
43 #include <mach/palm27x.h>
44 
45 #include "generic.h"
46 #include "devices.h"
47 
48 /******************************************************************************
49  * Pin configuration
50  ******************************************************************************/
51 static unsigned long palmld_pin_config[] __initdata = {
52 	/* MMC */
53 	GPIO32_MMC_CLK,
54 	GPIO92_MMC_DAT_0,
55 	GPIO109_MMC_DAT_1,
56 	GPIO110_MMC_DAT_2,
57 	GPIO111_MMC_DAT_3,
58 	GPIO112_MMC_CMD,
59 	GPIO14_GPIO,	/* SD detect */
60 	GPIO114_GPIO,	/* SD power */
61 	GPIO116_GPIO,	/* SD r/o switch */
62 
63 	/* AC97 */
64 	GPIO28_AC97_BITCLK,
65 	GPIO29_AC97_SDATA_IN_0,
66 	GPIO30_AC97_SDATA_OUT,
67 	GPIO31_AC97_SYNC,
68 	GPIO89_AC97_SYSCLK,
69 	GPIO95_AC97_nRESET,
70 
71 	/* IrDA */
72 	GPIO108_GPIO,	/* ir disable */
73 	GPIO46_FICP_RXD,
74 	GPIO47_FICP_TXD,
75 
76 	/* MATRIX KEYPAD */
77 	GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
78 	GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
79 	GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
80 	GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
81 	GPIO103_KP_MKOUT_0,
82 	GPIO104_KP_MKOUT_1,
83 	GPIO105_KP_MKOUT_2,
84 
85 	/* LCD */
86 	GPIOxx_LCD_TFT_16BPP,
87 
88 	/* PWM */
89 	GPIO16_PWM0_OUT,
90 
91 	/* GPIO KEYS */
92 	GPIO10_GPIO,	/* hotsync button */
93 	GPIO12_GPIO,	/* power switch */
94 	GPIO15_GPIO,	/* lock switch */
95 
96 	/* LEDs */
97 	GPIO52_GPIO,	/* green led */
98 	GPIO94_GPIO,	/* orange led */
99 
100 	/* PCMCIA */
101 	GPIO48_nPOE,
102 	GPIO49_nPWE,
103 	GPIO50_nPIOR,
104 	GPIO51_nPIOW,
105 	GPIO85_nPCE_1,
106 	GPIO54_nPCE_2,
107 	GPIO79_PSKTSEL,
108 	GPIO55_nPREG,
109 	GPIO56_nPWAIT,
110 	GPIO57_nIOIS16,
111 	GPIO36_GPIO,	/* wifi power */
112 	GPIO38_GPIO,	/* wifi ready */
113 	GPIO81_GPIO,	/* wifi reset */
114 
115 	/* FFUART */
116 	GPIO34_FFUART_RXD,
117 	GPIO39_FFUART_TXD,
118 
119 	/* HDD */
120 	GPIO98_GPIO,	/* HDD reset */
121 	GPIO115_GPIO,	/* HDD power */
122 
123 	/* MISC */
124 	GPIO13_GPIO,	/* earphone detect */
125 };
126 
127 /******************************************************************************
128  * NOR Flash
129  ******************************************************************************/
130 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
131 static struct mtd_partition palmld_partitions[] = {
132 	{
133 		.name		= "Flash",
134 		.offset		= 0x00000000,
135 		.size		= MTDPART_SIZ_FULL,
136 		.mask_flags	= 0
137 	}
138 };
139 
140 static struct physmap_flash_data palmld_flash_data[] = {
141 	{
142 		.width		= 2,			/* bankwidth in bytes */
143 		.parts		= palmld_partitions,
144 		.nr_parts	= ARRAY_SIZE(palmld_partitions)
145 	}
146 };
147 
148 static struct resource palmld_flash_resource = {
149 	.start	= PXA_CS0_PHYS,
150 	.end	= PXA_CS0_PHYS + SZ_4M - 1,
151 	.flags	= IORESOURCE_MEM,
152 };
153 
154 static struct platform_device palmld_flash = {
155 	.name		= "physmap-flash",
156 	.id		= 0,
157 	.resource	= &palmld_flash_resource,
158 	.num_resources	= 1,
159 	.dev 		= {
160 		.platform_data = palmld_flash_data,
161 	},
162 };
163 
palmld_nor_init(void)164 static void __init palmld_nor_init(void)
165 {
166 	platform_device_register(&palmld_flash);
167 }
168 #else
palmld_nor_init(void)169 static inline void palmld_nor_init(void) {}
170 #endif
171 
172 /******************************************************************************
173  * GPIO keyboard
174  ******************************************************************************/
175 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
176 static unsigned int palmld_matrix_keys[] = {
177 	KEY(0, 1, KEY_F2),
178 	KEY(0, 2, KEY_UP),
179 
180 	KEY(1, 0, KEY_F3),
181 	KEY(1, 1, KEY_F4),
182 	KEY(1, 2, KEY_RIGHT),
183 
184 	KEY(2, 0, KEY_F1),
185 	KEY(2, 1, KEY_F5),
186 	KEY(2, 2, KEY_DOWN),
187 
188 	KEY(3, 0, KEY_F6),
189 	KEY(3, 1, KEY_ENTER),
190 	KEY(3, 2, KEY_LEFT),
191 };
192 
193 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
194 	.matrix_key_rows	= 4,
195 	.matrix_key_cols	= 3,
196 	.matrix_key_map		= palmld_matrix_keys,
197 	.matrix_key_map_size	= ARRAY_SIZE(palmld_matrix_keys),
198 
199 	.debounce_interval	= 30,
200 };
201 
palmld_kpc_init(void)202 static void __init palmld_kpc_init(void)
203 {
204 	pxa_set_keypad_info(&palmld_keypad_platform_data);
205 }
206 #else
palmld_kpc_init(void)207 static inline void palmld_kpc_init(void) {}
208 #endif
209 
210 /******************************************************************************
211  * GPIO keys
212  ******************************************************************************/
213 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
214 static struct gpio_keys_button palmld_pxa_buttons[] = {
215 	{KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
216 	{KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
217 	{KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
218 };
219 
220 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
221 	.buttons	= palmld_pxa_buttons,
222 	.nbuttons	= ARRAY_SIZE(palmld_pxa_buttons),
223 };
224 
225 static struct platform_device palmld_pxa_keys = {
226 	.name	= "gpio-keys",
227 	.id	= -1,
228 	.dev	= {
229 		.platform_data = &palmld_pxa_keys_data,
230 	},
231 };
232 
palmld_keys_init(void)233 static void __init palmld_keys_init(void)
234 {
235 	platform_device_register(&palmld_pxa_keys);
236 }
237 #else
palmld_keys_init(void)238 static inline void palmld_keys_init(void) {}
239 #endif
240 
241 /******************************************************************************
242  * LEDs
243  ******************************************************************************/
244 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
245 struct gpio_led gpio_leds[] = {
246 {
247 	.name			= "palmld:green:led",
248 	.default_trigger	= "none",
249 	.gpio			= GPIO_NR_PALMLD_LED_GREEN,
250 }, {
251 	.name			= "palmld:amber:led",
252 	.default_trigger	= "none",
253 	.gpio			= GPIO_NR_PALMLD_LED_AMBER,
254 },
255 };
256 
257 static struct gpio_led_platform_data gpio_led_info = {
258 	.leds		= gpio_leds,
259 	.num_leds	= ARRAY_SIZE(gpio_leds),
260 };
261 
262 static struct platform_device palmld_leds = {
263 	.name	= "leds-gpio",
264 	.id	= -1,
265 	.dev	= {
266 		.platform_data	= &gpio_led_info,
267 	}
268 };
269 
palmld_leds_init(void)270 static void __init palmld_leds_init(void)
271 {
272 	platform_device_register(&palmld_leds);
273 }
274 #else
palmld_leds_init(void)275 static inline void palmld_leds_init(void) {}
276 #endif
277 
278 /******************************************************************************
279  * HDD
280  ******************************************************************************/
281 #if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
282 static struct platform_device palmld_ide_device = {
283 	.name	= "pata_palmld",
284 	.id	= -1,
285 };
286 
palmld_ide_init(void)287 static void __init palmld_ide_init(void)
288 {
289 	platform_device_register(&palmld_ide_device);
290 }
291 #else
palmld_ide_init(void)292 static inline void palmld_ide_init(void) {}
293 #endif
294 
295 /******************************************************************************
296  * Machine init
297  ******************************************************************************/
298 static struct map_desc palmld_io_desc[] __initdata = {
299 {
300 	.virtual	= PALMLD_IDE_VIRT,
301 	.pfn		= __phys_to_pfn(PALMLD_IDE_PHYS),
302 	.length		= PALMLD_IDE_SIZE,
303 	.type		= MT_DEVICE
304 },
305 {
306 	.virtual	= PALMLD_USB_VIRT,
307 	.pfn		= __phys_to_pfn(PALMLD_USB_PHYS),
308 	.length		= PALMLD_USB_SIZE,
309 	.type		= MT_DEVICE
310 },
311 };
312 
palmld_map_io(void)313 static void __init palmld_map_io(void)
314 {
315 	pxa27x_map_io();
316 	iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
317 }
318 
palmld_init(void)319 static void __init palmld_init(void)
320 {
321 	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
322 	pxa_set_ffuart_info(NULL);
323 	pxa_set_btuart_info(NULL);
324 	pxa_set_stuart_info(NULL);
325 
326 	palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
327 			GPIO_NR_PALMLD_SD_POWER, 0);
328 	palm27x_pm_init(PALMLD_STR_BASE);
329 	palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
330 	palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
331 	palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
332 			GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
333 	palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
334 	palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
335 			GPIO_NR_PALMLD_USB_DETECT_N);
336 	palm27x_pmic_init();
337 	palmld_kpc_init();
338 	palmld_keys_init();
339 	palmld_nor_init();
340 	palmld_leds_init();
341 	palmld_ide_init();
342 }
343 
344 MACHINE_START(PALMLD, "Palm LifeDrive")
345 	.atag_offset	= 0x100,
346 	.map_io		= palmld_map_io,
347 	.init_irq	= pxa27x_init_irq,
348 	.handle_irq	= pxa27x_handle_irq,
349 	.timer		= &pxa_timer,
350 	.init_machine	= palmld_init,
351 	.restart	= pxa_restart,
352 MACHINE_END
353