Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[pandora-kernel.git] / arch / arm / mach-pxa / palmte2.c
1 /*
2  * Hardware definitions for Palm Tungsten|E2
3  *
4  * Author:
5  *      Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
6  *
7  * Rewrite for mainline:
8  *      Marek Vasut <marek.vasut@gmail.com>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2 as
12  * published by the Free Software Foundation.
13  *
14  * (find more info at www.hackndev.com)
15  *
16  */
17
18 #include <linux/platform_device.h>
19 #include <linux/delay.h>
20 #include <linux/irq.h>
21 #include <linux/gpio_keys.h>
22 #include <linux/input.h>
23 #include <linux/pda_power.h>
24 #include <linux/pwm_backlight.h>
25 #include <linux/gpio.h>
26 #include <linux/wm97xx_batt.h>
27 #include <linux/power_supply.h>
28 #include <linux/usb/gpio_vbus.h>
29
30 #include <asm/mach-types.h>
31 #include <asm/mach/arch.h>
32 #include <asm/mach/map.h>
33
34 #include <mach/audio.h>
35 #include <mach/palmte2.h>
36 #include <mach/mmc.h>
37 #include <mach/pxafb.h>
38 #include <mach/mfp-pxa25x.h>
39 #include <mach/irda.h>
40 #include <mach/udc.h>
41 #include <mach/palmasoc.h>
42
43 #include "generic.h"
44 #include "devices.h"
45
46 /******************************************************************************
47  * Pin configuration
48  ******************************************************************************/
49 static unsigned long palmte2_pin_config[] __initdata = {
50         /* MMC */
51         GPIO6_MMC_CLK,
52         GPIO8_MMC_CS0,
53         GPIO10_GPIO,    /* SD detect */
54         GPIO55_GPIO,    /* SD power */
55         GPIO51_GPIO,    /* SD r/o switch */
56
57         /* AC97 */
58         GPIO28_AC97_BITCLK,
59         GPIO29_AC97_SDATA_IN_0,
60         GPIO30_AC97_SDATA_OUT,
61         GPIO31_AC97_SYNC,
62
63         /* PWM */
64         GPIO16_PWM0_OUT,
65
66         /* USB */
67         GPIO15_GPIO,    /* usb detect */
68         GPIO53_GPIO,    /* usb power */
69
70         /* IrDA */
71         GPIO48_GPIO,    /* ir disable */
72         GPIO46_FICP_RXD,
73         GPIO47_FICP_TXD,
74
75         /* LCD */
76         GPIO58_LCD_LDD_0,
77         GPIO59_LCD_LDD_1,
78         GPIO60_LCD_LDD_2,
79         GPIO61_LCD_LDD_3,
80         GPIO62_LCD_LDD_4,
81         GPIO63_LCD_LDD_5,
82         GPIO64_LCD_LDD_6,
83         GPIO65_LCD_LDD_7,
84         GPIO66_LCD_LDD_8,
85         GPIO67_LCD_LDD_9,
86         GPIO68_LCD_LDD_10,
87         GPIO69_LCD_LDD_11,
88         GPIO70_LCD_LDD_12,
89         GPIO71_LCD_LDD_13,
90         GPIO72_LCD_LDD_14,
91         GPIO73_LCD_LDD_15,
92         GPIO74_LCD_FCLK,
93         GPIO75_LCD_LCLK,
94         GPIO76_LCD_PCLK,
95         GPIO77_LCD_BIAS,
96
97         /* GPIO KEYS */
98         GPIO5_GPIO,     /* notes */
99         GPIO7_GPIO,     /* tasks */
100         GPIO11_GPIO,    /* calendar */
101         GPIO13_GPIO,    /* contacts */
102         GPIO14_GPIO,    /* center */
103         GPIO19_GPIO,    /* left */
104         GPIO20_GPIO,    /* right */
105         GPIO21_GPIO,    /* down */
106         GPIO22_GPIO,    /* up */
107
108         /* MISC */
109         GPIO1_RST,      /* reset */
110         GPIO4_GPIO,     /* Hotsync button */
111         GPIO9_GPIO,     /* power detect */
112         GPIO15_GPIO,    /* earphone detect */
113         GPIO37_GPIO,    /* LCD power */
114         GPIO56_GPIO,    /* Backlight power */
115 };
116
117 /******************************************************************************
118  * SD/MMC card controller
119  ******************************************************************************/
120 static struct pxamci_platform_data palmte2_mci_platform_data = {
121         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
122         .gpio_card_detect       = GPIO_NR_PALMTE2_SD_DETECT_N,
123         .gpio_card_ro           = GPIO_NR_PALMTE2_SD_READONLY,
124         .gpio_power             = GPIO_NR_PALMTE2_SD_POWER,
125 };
126
127 /******************************************************************************
128  * GPIO keys
129  ******************************************************************************/
130 static struct gpio_keys_button palmte2_pxa_buttons[] = {
131         {KEY_F1,        GPIO_NR_PALMTE2_KEY_CONTACTS,   1, "Contacts" },
132         {KEY_F2,        GPIO_NR_PALMTE2_KEY_CALENDAR,   1, "Calendar" },
133         {KEY_F3,        GPIO_NR_PALMTE2_KEY_TASKS,      1, "Tasks" },
134         {KEY_F4,        GPIO_NR_PALMTE2_KEY_NOTES,      1, "Notes" },
135         {KEY_ENTER,     GPIO_NR_PALMTE2_KEY_CENTER,     1, "Center" },
136         {KEY_LEFT,      GPIO_NR_PALMTE2_KEY_LEFT,       1, "Left" },
137         {KEY_RIGHT,     GPIO_NR_PALMTE2_KEY_RIGHT,      1, "Right" },
138         {KEY_DOWN,      GPIO_NR_PALMTE2_KEY_DOWN,       1, "Down" },
139         {KEY_UP,        GPIO_NR_PALMTE2_KEY_UP,         1, "Up" },
140 };
141
142 static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
143         .buttons        = palmte2_pxa_buttons,
144         .nbuttons       = ARRAY_SIZE(palmte2_pxa_buttons),
145 };
146
147 static struct platform_device palmte2_pxa_keys = {
148         .name   = "gpio-keys",
149         .id     = -1,
150         .dev    = {
151                 .platform_data = &palmte2_pxa_keys_data,
152         },
153 };
154
155 /******************************************************************************
156  * Backlight
157  ******************************************************************************/
158 static int palmte2_backlight_init(struct device *dev)
159 {
160         int ret;
161
162         ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER");
163         if (ret)
164                 goto err;
165         ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0);
166         if (ret)
167                 goto err2;
168         ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER");
169         if (ret)
170                 goto err2;
171         ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0);
172         if (ret)
173                 goto err3;
174
175         return 0;
176 err3:
177         gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
178 err2:
179         gpio_free(GPIO_NR_PALMTE2_BL_POWER);
180 err:
181         return ret;
182 }
183
184 static int palmte2_backlight_notify(int brightness)
185 {
186         gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
187         gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
188         return brightness;
189 }
190
191 static void palmte2_backlight_exit(struct device *dev)
192 {
193         gpio_free(GPIO_NR_PALMTE2_BL_POWER);
194         gpio_free(GPIO_NR_PALMTE2_LCD_POWER);
195 }
196
197 static struct platform_pwm_backlight_data palmte2_backlight_data = {
198         .pwm_id         = 0,
199         .max_brightness = PALMTE2_MAX_INTENSITY,
200         .dft_brightness = PALMTE2_MAX_INTENSITY,
201         .pwm_period_ns  = PALMTE2_PERIOD_NS,
202         .init           = palmte2_backlight_init,
203         .notify         = palmte2_backlight_notify,
204         .exit           = palmte2_backlight_exit,
205 };
206
207 static struct platform_device palmte2_backlight = {
208         .name   = "pwm-backlight",
209         .dev    = {
210                 .parent         = &pxa25x_device_pwm0.dev,
211                 .platform_data  = &palmte2_backlight_data,
212         },
213 };
214
215 /******************************************************************************
216  * IrDA
217  ******************************************************************************/
218 static struct pxaficp_platform_data palmte2_ficp_platform_data = {
219         .gpio_pwdown            = GPIO_NR_PALMTE2_IR_DISABLE,
220         .transceiver_cap        = IR_SIRMODE | IR_OFF,
221 };
222
223 /******************************************************************************
224  * UDC
225  ******************************************************************************/
226 static struct gpio_vbus_mach_info palmte2_udc_info = {
227         .gpio_vbus              = GPIO_NR_PALMTE2_USB_DETECT_N,
228         .gpio_vbus_inverted     = 1,
229         .gpio_pullup            = GPIO_NR_PALMTE2_USB_PULLUP,
230 };
231
232 static struct platform_device palmte2_gpio_vbus = {
233         .name   = "gpio-vbus",
234         .id     = -1,
235         .dev    = {
236                 .platform_data  = &palmte2_udc_info,
237         },
238 };
239
240 /******************************************************************************
241  * Power supply
242  ******************************************************************************/
243 static int power_supply_init(struct device *dev)
244 {
245         int ret;
246
247         ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC");
248         if (ret)
249                 goto err1;
250         ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT);
251         if (ret)
252                 goto err2;
253
254         return 0;
255
256 err2:
257         gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
258 err1:
259         return ret;
260 }
261
262 static int palmte2_is_ac_online(void)
263 {
264         return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
265 }
266
267 static void power_supply_exit(struct device *dev)
268 {
269         gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
270 }
271
272 static char *palmte2_supplicants[] = {
273         "main-battery",
274 };
275
276 static struct pda_power_pdata power_supply_info = {
277         .init            = power_supply_init,
278         .is_ac_online    = palmte2_is_ac_online,
279         .exit            = power_supply_exit,
280         .supplied_to     = palmte2_supplicants,
281         .num_supplicants = ARRAY_SIZE(palmte2_supplicants),
282 };
283
284 static struct platform_device power_supply = {
285         .name = "pda-power",
286         .id   = -1,
287         .dev  = {
288                 .platform_data = &power_supply_info,
289         },
290 };
291
292 /******************************************************************************
293  * WM97xx battery
294  ******************************************************************************/
295 static struct wm97xx_batt_info wm97xx_batt_pdata = {
296         .batt_aux       = WM97XX_AUX_ID3,
297         .temp_aux       = WM97XX_AUX_ID2,
298         .charge_gpio    = -1,
299         .max_voltage    = PALMTE2_BAT_MAX_VOLTAGE,
300         .min_voltage    = PALMTE2_BAT_MIN_VOLTAGE,
301         .batt_mult      = 1000,
302         .batt_div       = 414,
303         .temp_mult      = 1,
304         .temp_div       = 1,
305         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
306         .batt_name      = "main-batt",
307 };
308
309 /******************************************************************************
310  * aSoC audio
311  ******************************************************************************/
312 static struct palm27x_asoc_info palmte2_asoc_pdata = {
313         .jack_gpio      = GPIO_NR_PALMTE2_EARPHONE_DETECT,
314 };
315
316 static struct platform_device palmte2_asoc = {
317         .name = "palm27x-asoc",
318         .id   = -1,
319         .dev  = {
320                 .platform_data = &palmte2_asoc_pdata,
321         },
322 };
323
324 /******************************************************************************
325  * Framebuffer
326  ******************************************************************************/
327 static struct pxafb_mode_info palmte2_lcd_modes[] = {
328 {
329         .pixclock       = 77757,
330         .xres           = 320,
331         .yres           = 320,
332         .bpp            = 16,
333
334         .left_margin    = 28,
335         .right_margin   = 7,
336         .upper_margin   = 7,
337         .lower_margin   = 5,
338
339         .hsync_len      = 4,
340         .vsync_len      = 1,
341 },
342 };
343
344 static struct pxafb_mach_info palmte2_lcd_screen = {
345         .modes          = palmte2_lcd_modes,
346         .num_modes      = ARRAY_SIZE(palmte2_lcd_modes),
347         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
348 };
349
350 /******************************************************************************
351  * Machine init
352  ******************************************************************************/
353 static struct platform_device *devices[] __initdata = {
354 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
355         &palmte2_pxa_keys,
356 #endif
357         &palmte2_backlight,
358         &power_supply,
359         &palmte2_asoc,
360         &palmte2_gpio_vbus,
361 };
362
363 /* setup udc GPIOs initial state */
364 static void __init palmte2_udc_init(void)
365 {
366         if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
367                 gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
368                 gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
369         }
370 }
371
372 static void __init palmte2_init(void)
373 {
374         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
375
376         set_pxa_fb_info(&palmte2_lcd_screen);
377         pxa_set_mci_info(&palmte2_mci_platform_data);
378         palmte2_udc_init();
379         pxa_set_ac97_info(NULL);
380         pxa_set_ficp_info(&palmte2_ficp_platform_data);
381         wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
382
383         platform_add_devices(devices, ARRAY_SIZE(devices));
384 }
385
386 MACHINE_START(PALMTE2, "Palm Tungsten|E2")
387         .phys_io        = 0x40000000,
388         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
389         .boot_params    = 0xa0000100,
390         .map_io         = pxa_map_io,
391         .init_irq       = pxa25x_init_irq,
392         .timer          = &pxa_timer,
393         .init_machine   = palmte2_init
394 MACHINE_END