[ARM] pxa: add gpio_pwdown(_inverted) into pxaficp_ir.c
[linux-2.6.git] / arch / arm / mach-pxa / palmt5.c
1 /*
2  * Hardware definitions for Palm Tungsten|T5
3  *
4  * Author:      Marek Vasut <marek.vasut@gmail.com>
5  *
6  * Based on work of:
7  *              Ales Snuparek <snuparek@atlas.cz>
8  *              Justin Kendrick <twilightsentry@gmail.com>
9  *              RichardT5 <richard_t5@users.sourceforge.net>
10  *
11  * This program is free software; you can redistribute it and/or modify
12  * it under the terms of the GNU General Public License version 2 as
13  * published by the Free Software Foundation.
14  *
15  * (find more info at www.hackndev.com)
16  *
17  */
18
19 #include <linux/platform_device.h>
20 #include <linux/delay.h>
21 #include <linux/irq.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/input.h>
24 #include <linux/pda_power.h>
25 #include <linux/pwm_backlight.h>
26 #include <linux/gpio.h>
27 #include <linux/wm97xx_batt.h>
28 #include <linux/power_supply.h>
29 #include <linux/usb/gpio_vbus.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/palmt5.h>
38 #include <mach/mmc.h>
39 #include <mach/pxafb.h>
40 #include <mach/irda.h>
41 #include <mach/pxa27x_keypad.h>
42 #include <mach/udc.h>
43 #include <mach/palmasoc.h>
44
45 #include "generic.h"
46 #include "devices.h"
47
48 /******************************************************************************
49  * Pin configuration
50  ******************************************************************************/
51 static unsigned long palmt5_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         GPIO115_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         GPIO40_GPIO,    /* ir disable */
73         GPIO46_FICP_RXD,
74         GPIO47_FICP_TXD,
75
76         /* USB */
77         GPIO15_GPIO,    /* usb detect */
78         GPIO93_GPIO,    /* usb power */
79
80         /* MATRIX KEYPAD */
81         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
82         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
83         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
84         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
85         GPIO103_KP_MKOUT_0,
86         GPIO104_KP_MKOUT_1,
87         GPIO105_KP_MKOUT_2,
88
89         /* LCD */
90         GPIO58_LCD_LDD_0,
91         GPIO59_LCD_LDD_1,
92         GPIO60_LCD_LDD_2,
93         GPIO61_LCD_LDD_3,
94         GPIO62_LCD_LDD_4,
95         GPIO63_LCD_LDD_5,
96         GPIO64_LCD_LDD_6,
97         GPIO65_LCD_LDD_7,
98         GPIO66_LCD_LDD_8,
99         GPIO67_LCD_LDD_9,
100         GPIO68_LCD_LDD_10,
101         GPIO69_LCD_LDD_11,
102         GPIO70_LCD_LDD_12,
103         GPIO71_LCD_LDD_13,
104         GPIO72_LCD_LDD_14,
105         GPIO73_LCD_LDD_15,
106         GPIO74_LCD_FCLK,
107         GPIO75_LCD_LCLK,
108         GPIO76_LCD_PCLK,
109         GPIO77_LCD_BIAS,
110
111         /* PWM */
112         GPIO16_PWM0_OUT,
113
114         /* FFUART */
115         GPIO34_FFUART_RXD,
116         GPIO39_FFUART_TXD,
117
118         /* MISC */
119         GPIO10_GPIO,    /* hotsync button */
120         GPIO90_GPIO,    /* power detect */
121         GPIO107_GPIO,   /* earphone detect */
122 };
123
124 /******************************************************************************
125  * SD/MMC card controller
126  ******************************************************************************/
127 static struct pxamci_platform_data palmt5_mci_platform_data = {
128         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
129         .gpio_card_detect       = GPIO_NR_PALMT5_SD_DETECT_N,
130         .gpio_card_ro           = GPIO_NR_PALMT5_SD_READONLY,
131         .gpio_power             = GPIO_NR_PALMT5_SD_POWER,
132         .detect_delay           = 20,
133 };
134
135 /******************************************************************************
136  * GPIO keyboard
137  ******************************************************************************/
138 static unsigned int palmt5_matrix_keys[] = {
139         KEY(0, 0, KEY_POWER),
140         KEY(0, 1, KEY_F1),
141         KEY(0, 2, KEY_ENTER),
142
143         KEY(1, 0, KEY_F2),
144         KEY(1, 1, KEY_F3),
145         KEY(1, 2, KEY_F4),
146
147         KEY(2, 0, KEY_UP),
148         KEY(2, 2, KEY_DOWN),
149
150         KEY(3, 0, KEY_RIGHT),
151         KEY(3, 2, KEY_LEFT),
152 };
153
154 static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
155         .matrix_key_rows        = 4,
156         .matrix_key_cols        = 3,
157         .matrix_key_map         = palmt5_matrix_keys,
158         .matrix_key_map_size    = ARRAY_SIZE(palmt5_matrix_keys),
159
160         .debounce_interval      = 30,
161 };
162
163 /******************************************************************************
164  * GPIO keys
165  ******************************************************************************/
166 static struct gpio_keys_button palmt5_pxa_buttons[] = {
167         {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
168 };
169
170 static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
171         .buttons        = palmt5_pxa_buttons,
172         .nbuttons       = ARRAY_SIZE(palmt5_pxa_buttons),
173 };
174
175 static struct platform_device palmt5_pxa_keys = {
176         .name   = "gpio-keys",
177         .id     = -1,
178         .dev    = {
179                 .platform_data = &palmt5_pxa_keys_data,
180         },
181 };
182
183 /******************************************************************************
184  * Backlight
185  ******************************************************************************/
186 static int palmt5_backlight_init(struct device *dev)
187 {
188         int ret;
189
190         ret = gpio_request(GPIO_NR_PALMT5_BL_POWER, "BL POWER");
191         if (ret)
192                 goto err;
193         ret = gpio_direction_output(GPIO_NR_PALMT5_BL_POWER, 0);
194         if (ret)
195                 goto err2;
196         ret = gpio_request(GPIO_NR_PALMT5_LCD_POWER, "LCD POWER");
197         if (ret)
198                 goto err2;
199         ret = gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER, 0);
200         if (ret)
201                 goto err3;
202
203         return 0;
204 err3:
205         gpio_free(GPIO_NR_PALMT5_LCD_POWER);
206 err2:
207         gpio_free(GPIO_NR_PALMT5_BL_POWER);
208 err:
209         return ret;
210 }
211
212 static int palmt5_backlight_notify(int brightness)
213 {
214         gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness);
215         gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness);
216         return brightness;
217 }
218
219 static void palmt5_backlight_exit(struct device *dev)
220 {
221         gpio_free(GPIO_NR_PALMT5_BL_POWER);
222         gpio_free(GPIO_NR_PALMT5_LCD_POWER);
223 }
224
225 static struct platform_pwm_backlight_data palmt5_backlight_data = {
226         .pwm_id         = 0,
227         .max_brightness = PALMT5_MAX_INTENSITY,
228         .dft_brightness = PALMT5_MAX_INTENSITY,
229         .pwm_period_ns  = PALMT5_PERIOD_NS,
230         .init           = palmt5_backlight_init,
231         .notify         = palmt5_backlight_notify,
232         .exit           = palmt5_backlight_exit,
233 };
234
235 static struct platform_device palmt5_backlight = {
236         .name   = "pwm-backlight",
237         .dev    = {
238                 .parent         = &pxa27x_device_pwm0.dev,
239                 .platform_data  = &palmt5_backlight_data,
240         },
241 };
242
243 /******************************************************************************
244  * IrDA
245  ******************************************************************************/
246 static struct pxaficp_platform_data palmt5_ficp_platform_data = {
247         .gpio_pwdown            = GPIO_NR_PALMT5_IR_DISABLE,
248         .transceiver_cap        = IR_SIRMODE | IR_OFF,
249 };
250
251 /******************************************************************************
252  * UDC
253  ******************************************************************************/
254 static struct gpio_vbus_mach_info palmt5_udc_info = {
255         .gpio_vbus              = GPIO_NR_PALMT5_USB_DETECT_N,
256         .gpio_vbus_inverted     = 1,
257         .gpio_pullup            = GPIO_NR_PALMT5_USB_PULLUP,
258 };
259
260 static struct platform_device palmt5_gpio_vbus = {
261         .name   = "gpio-vbus",
262         .id     = -1,
263         .dev    = {
264                 .platform_data  = &palmt5_udc_info,
265         },
266 };
267
268 /******************************************************************************
269  * Power supply
270  ******************************************************************************/
271 static int power_supply_init(struct device *dev)
272 {
273         int ret;
274
275         ret = gpio_request(GPIO_NR_PALMT5_POWER_DETECT, "CABLE_STATE_AC");
276         if (ret)
277                 goto err1;
278         ret = gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT);
279         if (ret)
280                 goto err2;
281
282         return 0;
283 err2:
284         gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
285 err1:
286         return ret;
287 }
288
289 static int palmt5_is_ac_online(void)
290 {
291         return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT);
292 }
293
294 static void power_supply_exit(struct device *dev)
295 {
296         gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
297 }
298
299 static char *palmt5_supplicants[] = {
300         "main-battery",
301 };
302
303 static struct pda_power_pdata power_supply_info = {
304         .init            = power_supply_init,
305         .is_ac_online    = palmt5_is_ac_online,
306         .exit            = power_supply_exit,
307         .supplied_to     = palmt5_supplicants,
308         .num_supplicants = ARRAY_SIZE(palmt5_supplicants),
309 };
310
311 static struct platform_device power_supply = {
312         .name = "pda-power",
313         .id   = -1,
314         .dev  = {
315                 .platform_data = &power_supply_info,
316         },
317 };
318
319 /******************************************************************************
320  * WM97xx battery
321  ******************************************************************************/
322 static struct wm97xx_batt_info wm97xx_batt_pdata = {
323         .batt_aux       = WM97XX_AUX_ID3,
324         .temp_aux       = WM97XX_AUX_ID2,
325         .charge_gpio    = -1,
326         .max_voltage    = PALMT5_BAT_MAX_VOLTAGE,
327         .min_voltage    = PALMT5_BAT_MIN_VOLTAGE,
328         .batt_mult      = 1000,
329         .batt_div       = 414,
330         .temp_mult      = 1,
331         .temp_div       = 1,
332         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
333         .batt_name      = "main-batt",
334 };
335
336 /******************************************************************************
337  * aSoC audio
338  ******************************************************************************/
339 static struct palm27x_asoc_info palmt5_asoc_pdata = {
340         .jack_gpio      = GPIO_NR_PALMT5_EARPHONE_DETECT,
341 };
342
343 static pxa2xx_audio_ops_t palmt5_ac97_pdata = {
344         .reset_gpio     = 95,
345 };
346
347 static struct platform_device palmt5_asoc = {
348         .name = "palm27x-asoc",
349         .id   = -1,
350         .dev  = {
351                 .platform_data = &palmt5_asoc_pdata,
352         },
353 };
354
355 /******************************************************************************
356  * Framebuffer
357  ******************************************************************************/
358 static struct pxafb_mode_info palmt5_lcd_modes[] = {
359 {
360         .pixclock       = 57692,
361         .xres           = 320,
362         .yres           = 480,
363         .bpp            = 16,
364
365         .left_margin    = 32,
366         .right_margin   = 1,
367         .upper_margin   = 7,
368         .lower_margin   = 1,
369
370         .hsync_len      = 4,
371         .vsync_len      = 1,
372 },
373 };
374
375 static struct pxafb_mach_info palmt5_lcd_screen = {
376         .modes          = palmt5_lcd_modes,
377         .num_modes      = ARRAY_SIZE(palmt5_lcd_modes),
378         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
379 };
380
381 /******************************************************************************
382  * Power management - standby
383  ******************************************************************************/
384 static void __init palmt5_pm_init(void)
385 {
386         static u32 resume[] = {
387                 0xe3a00101,     /* mov  r0,     #0x40000000 */
388                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
389                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
390         };
391
392         /* copy the bootloader */
393         memcpy(phys_to_virt(PALMT5_STR_BASE), resume, sizeof(resume));
394 }
395
396 /******************************************************************************
397  * Machine init
398  ******************************************************************************/
399 static struct platform_device *devices[] __initdata = {
400 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
401         &palmt5_pxa_keys,
402 #endif
403         &palmt5_backlight,
404         &power_supply,
405         &palmt5_asoc,
406         &palmt5_gpio_vbus,
407 };
408
409 /* setup udc GPIOs initial state */
410 static void __init palmt5_udc_init(void)
411 {
412         if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP, "UDC Vbus")) {
413                 gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP, 1);
414                 gpio_free(GPIO_NR_PALMT5_USB_PULLUP);
415         }
416 }
417
418 static void __init palmt5_init(void)
419 {
420         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
421
422         palmt5_pm_init();
423         set_pxa_fb_info(&palmt5_lcd_screen);
424         pxa_set_mci_info(&palmt5_mci_platform_data);
425         palmt5_udc_init();
426         pxa_set_ac97_info(&palmt5_ac97_pdata);
427         pxa_set_ficp_info(&palmt5_ficp_platform_data);
428         pxa_set_keypad_info(&palmt5_keypad_platform_data);
429         wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
430
431         platform_add_devices(devices, ARRAY_SIZE(devices));
432 }
433
434 MACHINE_START(PALMT5, "Palm Tungsten|T5")
435         .phys_io        = PALMT5_PHYS_IO_START,
436         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
437         .boot_params    = 0xa0000100,
438         .map_io         = pxa_map_io,
439         .init_irq       = pxa27x_init_irq,
440         .timer          = &pxa_timer,
441         .init_machine   = palmt5_init
442 MACHINE_END