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 <linux/platform_data/mmc-pxamci.h>
39 #include <linux/platform_data/video-pxafb.h>
40 #include <linux/platform_data/irda-pxaficp.h>
41 #include <linux/platform_data/keypad-pxa27x.h>
42 #include <linux/platform_data/asoc-palm27x.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 const 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 matrix_keymap_data palmld_matrix_keymap_data = {
194 .keymap = palmld_matrix_keys,
195 .keymap_size = ARRAY_SIZE(palmld_matrix_keys),
196 };
197
198 static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
199 .matrix_key_rows = 4,
200 .matrix_key_cols = 3,
201 .matrix_keymap_data = &palmld_matrix_keymap_data,
202
203 .debounce_interval = 30,
204 };
205
palmld_kpc_init(void)206 static void __init palmld_kpc_init(void)
207 {
208 pxa_set_keypad_info(&palmld_keypad_platform_data);
209 }
210 #else
palmld_kpc_init(void)211 static inline void palmld_kpc_init(void) {}
212 #endif
213
214 /******************************************************************************
215 * GPIO keys
216 ******************************************************************************/
217 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
218 static struct gpio_keys_button palmld_pxa_buttons[] = {
219 {KEY_F8, GPIO_NR_PALMLD_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
220 {KEY_F9, GPIO_NR_PALMLD_LOCK_SWITCH, 0, "Lock Switch" },
221 {KEY_POWER, GPIO_NR_PALMLD_POWER_SWITCH, 0, "Power Switch" },
222 };
223
224 static struct gpio_keys_platform_data palmld_pxa_keys_data = {
225 .buttons = palmld_pxa_buttons,
226 .nbuttons = ARRAY_SIZE(palmld_pxa_buttons),
227 };
228
229 static struct platform_device palmld_pxa_keys = {
230 .name = "gpio-keys",
231 .id = -1,
232 .dev = {
233 .platform_data = &palmld_pxa_keys_data,
234 },
235 };
236
palmld_keys_init(void)237 static void __init palmld_keys_init(void)
238 {
239 platform_device_register(&palmld_pxa_keys);
240 }
241 #else
palmld_keys_init(void)242 static inline void palmld_keys_init(void) {}
243 #endif
244
245 /******************************************************************************
246 * LEDs
247 ******************************************************************************/
248 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
249 struct gpio_led gpio_leds[] = {
250 {
251 .name = "palmld:green:led",
252 .default_trigger = "none",
253 .gpio = GPIO_NR_PALMLD_LED_GREEN,
254 }, {
255 .name = "palmld:amber:led",
256 .default_trigger = "none",
257 .gpio = GPIO_NR_PALMLD_LED_AMBER,
258 },
259 };
260
261 static struct gpio_led_platform_data gpio_led_info = {
262 .leds = gpio_leds,
263 .num_leds = ARRAY_SIZE(gpio_leds),
264 };
265
266 static struct platform_device palmld_leds = {
267 .name = "leds-gpio",
268 .id = -1,
269 .dev = {
270 .platform_data = &gpio_led_info,
271 }
272 };
273
palmld_leds_init(void)274 static void __init palmld_leds_init(void)
275 {
276 platform_device_register(&palmld_leds);
277 }
278 #else
palmld_leds_init(void)279 static inline void palmld_leds_init(void) {}
280 #endif
281
282 /******************************************************************************
283 * HDD
284 ******************************************************************************/
285 #if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
286 static struct platform_device palmld_ide_device = {
287 .name = "pata_palmld",
288 .id = -1,
289 };
290
palmld_ide_init(void)291 static void __init palmld_ide_init(void)
292 {
293 platform_device_register(&palmld_ide_device);
294 }
295 #else
palmld_ide_init(void)296 static inline void palmld_ide_init(void) {}
297 #endif
298
299 /******************************************************************************
300 * Machine init
301 ******************************************************************************/
302 static struct map_desc palmld_io_desc[] __initdata = {
303 {
304 .virtual = PALMLD_IDE_VIRT,
305 .pfn = __phys_to_pfn(PALMLD_IDE_PHYS),
306 .length = PALMLD_IDE_SIZE,
307 .type = MT_DEVICE
308 },
309 {
310 .virtual = PALMLD_USB_VIRT,
311 .pfn = __phys_to_pfn(PALMLD_USB_PHYS),
312 .length = PALMLD_USB_SIZE,
313 .type = MT_DEVICE
314 },
315 };
316
palmld_map_io(void)317 static void __init palmld_map_io(void)
318 {
319 pxa27x_map_io();
320 iotable_init(palmld_io_desc, ARRAY_SIZE(palmld_io_desc));
321 }
322
palmld_init(void)323 static void __init palmld_init(void)
324 {
325 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmld_pin_config));
326 pxa_set_ffuart_info(NULL);
327 pxa_set_btuart_info(NULL);
328 pxa_set_stuart_info(NULL);
329
330 palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
331 GPIO_NR_PALMLD_SD_POWER, 0);
332 palm27x_pm_init(PALMLD_STR_BASE);
333 palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
334 palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
335 palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
336 GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
337 palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
338 palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
339 GPIO_NR_PALMLD_USB_DETECT_N);
340 palm27x_pmic_init();
341 palmld_kpc_init();
342 palmld_keys_init();
343 palmld_nor_init();
344 palmld_leds_init();
345 palmld_ide_init();
346 }
347
348 MACHINE_START(PALMLD, "Palm LifeDrive")
349 .atag_offset = 0x100,
350 .map_io = palmld_map_io,
351 .nr_irqs = PXA_NR_IRQS,
352 .init_irq = pxa27x_init_irq,
353 .handle_irq = pxa27x_handle_irq,
354 .init_time = pxa_timer_init,
355 .init_machine = palmld_init,
356 .restart = pxa_restart,
357 MACHINE_END
358