f70f1f820eeda60534669e2d3746a0d2b0d48165
[linux-2.6.git] / arch / arm / mach-pxa / palmtc.c
1 /*
2  * linux/arch/arm/mach-pxa/palmtc.c
3  *
4  * Support for the Palm Tungsten|C
5  *
6  * Author:      Marek Vasut <marek.vasut@gmail.com>
7  *
8  * Based on work of:
9  *              Petr Blaha <p3t3@centrum.cz>
10  *              Chetan S. Kumar <shivakumar.chetan@gmail.com>
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
17 #include <linux/platform_device.h>
18 #include <linux/delay.h>
19 #include <linux/irq.h>
20 #include <linux/input.h>
21 #include <linux/pwm_backlight.h>
22 #include <linux/gpio.h>
23 #include <linux/input/matrix_keypad.h>
24 #include <linux/ucb1400.h>
25 #include <linux/power_supply.h>
26 #include <linux/gpio_keys.h>
27 #include <linux/mtd/physmap.h>
28
29 #include <asm/mach-types.h>
30 #include <asm/mach/arch.h>
31 #include <asm/mach/map.h>
32
33 #include <mach/audio.h>
34 #include <mach/palmtc.h>
35 #include <mach/mmc.h>
36 #include <mach/pxafb.h>
37 #include <mach/mfp-pxa25x.h>
38 #include <mach/irda.h>
39 #include <mach/udc.h>
40 #include <mach/pxa2xx-regs.h>
41
42 #include "generic.h"
43 #include "devices.h"
44
45 /******************************************************************************
46  * Pin configuration
47  ******************************************************************************/
48 static unsigned long palmtc_pin_config[] __initdata = {
49         /* MMC */
50         GPIO6_MMC_CLK,
51         GPIO8_MMC_CS0,
52         GPIO12_GPIO,    /* detect */
53         GPIO32_GPIO,    /* power */
54         GPIO54_GPIO,    /* r/o switch */
55
56         /* PCMCIA */
57         GPIO52_nPCE_1,
58         GPIO53_nPCE_2,
59         GPIO50_nPIOR,
60         GPIO51_nPIOW,
61         GPIO49_nPWE,
62         GPIO48_nPOE,
63         GPIO52_nPCE_1,
64         GPIO53_nPCE_2,
65         GPIO57_nIOIS16,
66         GPIO56_nPWAIT,
67
68         /* AC97 */
69         GPIO28_AC97_BITCLK,
70         GPIO29_AC97_SDATA_IN_0,
71         GPIO30_AC97_SDATA_OUT,
72         GPIO31_AC97_SYNC,
73
74         /* IrDA */
75         GPIO45_GPIO,    /* ir disable */
76         GPIO46_FICP_RXD,
77         GPIO47_FICP_TXD,
78
79         /* PWM */
80         GPIO17_PWM1_OUT,
81
82         /* USB */
83         GPIO4_GPIO,     /* detect */
84         GPIO36_GPIO,    /* pullup */
85
86         /* LCD */
87         GPIO58_LCD_LDD_0,
88         GPIO59_LCD_LDD_1,
89         GPIO60_LCD_LDD_2,
90         GPIO61_LCD_LDD_3,
91         GPIO62_LCD_LDD_4,
92         GPIO63_LCD_LDD_5,
93         GPIO64_LCD_LDD_6,
94         GPIO65_LCD_LDD_7,
95         GPIO66_LCD_LDD_8,
96         GPIO67_LCD_LDD_9,
97         GPIO68_LCD_LDD_10,
98         GPIO69_LCD_LDD_11,
99         GPIO70_LCD_LDD_12,
100         GPIO71_LCD_LDD_13,
101         GPIO72_LCD_LDD_14,
102         GPIO73_LCD_LDD_15,
103         GPIO74_LCD_FCLK,
104         GPIO75_LCD_LCLK,
105         GPIO76_LCD_PCLK,
106         GPIO77_LCD_BIAS,
107
108         /* MATRIX KEYPAD */
109         GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 0 */
110         GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH,       /* in 1 */
111         GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 2 */
112         GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH,      /* in 3 */
113         GPIO18_GPIO | MFP_LPM_DRIVE_LOW,        /* out 0 */
114         GPIO19_GPIO | MFP_LPM_DRIVE_LOW,        /* out 1 */
115         GPIO20_GPIO | MFP_LPM_DRIVE_LOW,        /* out 2 */
116         GPIO21_GPIO | MFP_LPM_DRIVE_LOW,        /* out 3 */
117         GPIO22_GPIO | MFP_LPM_DRIVE_LOW,        /* out 4 */
118         GPIO23_GPIO | MFP_LPM_DRIVE_LOW,        /* out 5 */
119         GPIO24_GPIO | MFP_LPM_DRIVE_LOW,        /* out 6 */
120         GPIO25_GPIO | MFP_LPM_DRIVE_LOW,        /* out 7 */
121         GPIO26_GPIO | MFP_LPM_DRIVE_LOW,        /* out 8 */
122         GPIO27_GPIO | MFP_LPM_DRIVE_LOW,        /* out 9 */
123         GPIO79_GPIO | MFP_LPM_DRIVE_LOW,        /* out 10 */
124         GPIO80_GPIO | MFP_LPM_DRIVE_LOW,        /* out 11 */
125
126         /* PXA GPIO KEYS */
127         GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH,       /* hotsync button on cradle */
128
129         /* MISC */
130         GPIO1_RST,      /* reset */
131         GPIO2_GPIO,     /* earphone detect */
132         GPIO16_GPIO,    /* backlight switch */
133 };
134
135 /******************************************************************************
136  * SD/MMC card controller
137  ******************************************************************************/
138 static struct pxamci_platform_data palmtc_mci_platform_data = {
139         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
140         .gpio_power             = GPIO_NR_PALMTC_SD_POWER,
141         .gpio_card_ro           = GPIO_NR_PALMTC_SD_READONLY,
142         .gpio_card_detect       = GPIO_NR_PALMTC_SD_DETECT_N,
143         .detect_delay           = 20,
144 };
145
146 /******************************************************************************
147  * GPIO keys
148  ******************************************************************************/
149 static struct gpio_keys_button palmtc_pxa_buttons[] = {
150         {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
151 };
152
153 static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
154         .buttons        = palmtc_pxa_buttons,
155         .nbuttons       = ARRAY_SIZE(palmtc_pxa_buttons),
156 };
157
158 static struct platform_device palmtc_pxa_keys = {
159         .name   = "gpio-keys",
160         .id     = -1,
161         .dev    = {
162                 .platform_data = &palmtc_pxa_keys_data,
163         },
164 };
165
166 /******************************************************************************
167  * Backlight
168  ******************************************************************************/
169 static int palmtc_backlight_init(struct device *dev)
170 {
171         int ret;
172
173         ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER");
174         if (ret)
175                 goto err;
176         ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1);
177         if (ret)
178                 goto err2;
179
180         return 0;
181
182 err2:
183         gpio_free(GPIO_NR_PALMTC_BL_POWER);
184 err:
185         return ret;
186 }
187
188 static int palmtc_backlight_notify(int brightness)
189 {
190         /* backlight is on when GPIO16 AF0 is high */
191         gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness);
192         return brightness;
193 }
194
195 static void palmtc_backlight_exit(struct device *dev)
196 {
197         gpio_free(GPIO_NR_PALMTC_BL_POWER);
198 }
199
200 static struct platform_pwm_backlight_data palmtc_backlight_data = {
201         .pwm_id         = 1,
202         .max_brightness = PALMTC_MAX_INTENSITY,
203         .dft_brightness = PALMTC_MAX_INTENSITY,
204         .pwm_period_ns  = PALMTC_PERIOD_NS,
205         .init           = palmtc_backlight_init,
206         .notify         = palmtc_backlight_notify,
207         .exit           = palmtc_backlight_exit,
208 };
209
210 static struct platform_device palmtc_backlight = {
211         .name   = "pwm-backlight",
212         .dev    = {
213                 .parent         = &pxa25x_device_pwm1.dev,
214                 .platform_data  = &palmtc_backlight_data,
215         },
216 };
217
218 /******************************************************************************
219  * IrDA
220  ******************************************************************************/
221 static int palmtc_irda_startup(struct device *dev)
222 {
223         int err;
224         err = gpio_request(GPIO_NR_PALMTC_IR_DISABLE, "IR DISABLE");
225         if (err)
226                 goto err;
227         err = gpio_direction_output(GPIO_NR_PALMTC_IR_DISABLE, 1);
228         if (err)
229                 gpio_free(GPIO_NR_PALMTC_IR_DISABLE);
230 err:
231         return err;
232 }
233
234 static void palmtc_irda_shutdown(struct device *dev)
235 {
236         gpio_free(GPIO_NR_PALMTC_IR_DISABLE);
237 }
238
239 static void palmtc_irda_transceiver_mode(struct device *dev, int mode)
240 {
241         gpio_set_value(GPIO_NR_PALMTC_IR_DISABLE, mode & IR_OFF);
242         pxa2xx_transceiver_mode(dev, mode);
243 }
244
245 static struct pxaficp_platform_data palmtc_ficp_platform_data = {
246         .startup                = palmtc_irda_startup,
247         .shutdown               = palmtc_irda_shutdown,
248         .transceiver_cap        = IR_SIRMODE | IR_FIRMODE | IR_OFF,
249         .transceiver_mode       = palmtc_irda_transceiver_mode,
250 };
251
252 /******************************************************************************
253  * Keyboard
254  ******************************************************************************/
255 static const uint32_t palmtc_matrix_keys[] = {
256         KEY(0, 0, KEY_F1),
257         KEY(0, 1, KEY_X),
258         KEY(0, 2, KEY_POWER),
259         KEY(0, 3, KEY_TAB),
260         KEY(0, 4, KEY_A),
261         KEY(0, 5, KEY_Q),
262         KEY(0, 6, KEY_LEFTSHIFT),
263         KEY(0, 7, KEY_Z),
264         KEY(0, 8, KEY_S),
265         KEY(0, 9, KEY_W),
266         KEY(0, 10, KEY_E),
267         KEY(0, 11, KEY_UP),
268
269         KEY(1, 0, KEY_F2),
270         KEY(1, 1, KEY_DOWN),
271         KEY(1, 3, KEY_D),
272         KEY(1, 4, KEY_C),
273         KEY(1, 5, KEY_F),
274         KEY(1, 6, KEY_R),
275         KEY(1, 7, KEY_SPACE),
276         KEY(1, 8, KEY_V),
277         KEY(1, 9, KEY_G),
278         KEY(1, 10, KEY_T),
279         KEY(1, 11, KEY_LEFT),
280
281         KEY(2, 0, KEY_F3),
282         KEY(2, 1, KEY_LEFTCTRL),
283         KEY(2, 3, KEY_H),
284         KEY(2, 4, KEY_Y),
285         KEY(2, 5, KEY_N),
286         KEY(2, 6, KEY_J),
287         KEY(2, 7, KEY_U),
288         KEY(2, 8, KEY_M),
289         KEY(2, 9, KEY_K),
290         KEY(2, 10, KEY_I),
291         KEY(2, 11, KEY_RIGHT),
292
293         KEY(3, 0, KEY_F4),
294         KEY(3, 1, KEY_ENTER),
295         KEY(3, 3, KEY_DOT),
296         KEY(3, 4, KEY_L),
297         KEY(3, 5, KEY_O),
298         KEY(3, 6, KEY_LEFTALT),
299         KEY(3, 7, KEY_ENTER),
300         KEY(3, 8, KEY_BACKSPACE),
301         KEY(3, 9, KEY_P),
302         KEY(3, 10, KEY_B),
303         KEY(3, 11, KEY_FN),
304 };
305
306 const struct matrix_keymap_data palmtc_keymap_data = {
307         .keymap                 = palmtc_matrix_keys,
308         .keymap_size            = ARRAY_SIZE(palmtc_matrix_keys),
309 };
310
311 const static unsigned int palmtc_keypad_row_gpios[] = {
312         0, 9, 10, 11
313 };
314
315 const static unsigned int palmtc_keypad_col_gpios[] = {
316         18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
317 };
318
319 static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
320         .keymap_data    = &palmtc_keymap_data,
321         .col_gpios      = palmtc_keypad_row_gpios,
322         .num_col_gpios  = 12,
323         .row_gpios      = palmtc_keypad_col_gpios,
324         .num_row_gpios  = 4,
325         .active_low     = 1,
326
327         .debounce_ms            = 20,
328         .col_scan_delay_us      = 5,
329 };
330
331 static struct platform_device palmtc_keyboard = {
332         .name   = "matrix-keypad",
333         .id     = -1,
334         .dev    = {
335                 .platform_data = &palmtc_keypad_platform_data,
336         },
337 };
338
339 /******************************************************************************
340  * UDC
341  ******************************************************************************/
342 static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = {
343         .gpio_vbus              = GPIO_NR_PALMTC_USB_DETECT_N,
344         .gpio_vbus_inverted     = 1,
345         .gpio_pullup            = GPIO_NR_PALMTC_USB_POWER,
346 };
347
348 /******************************************************************************
349  * Touchscreen / Battery / GPIO-extender
350  ******************************************************************************/
351 static struct platform_device palmtc_ucb1400_core = {
352         .name   = "ucb1400_core",
353         .id     = -1,
354 };
355
356 /******************************************************************************
357  * NOR Flash
358  ******************************************************************************/
359 static struct resource palmtc_flash_resource = {
360         .start  = PXA_CS0_PHYS,
361         .end    = PXA_CS0_PHYS + SZ_16M - 1,
362         .flags  = IORESOURCE_MEM,
363 };
364
365 static struct mtd_partition palmtc_flash_parts[] = {
366         {
367                 .name   = "U-Boot Bootloader",
368                 .offset = 0x0,
369                 .size   = 0x40000,
370         },
371         {
372                 .name   = "Linux Kernel",
373                 .offset = 0x40000,
374                 .size   = 0x2c0000,
375         },
376         {
377                 .name   = "Filesystem",
378                 .offset = 0x300000,
379                 .size   = 0xcc0000,
380         },
381         {
382                 .name   = "U-Boot Environment",
383                 .offset = 0xfc0000,
384                 .size   = MTDPART_SIZ_FULL,
385         },
386 };
387
388 static struct physmap_flash_data palmtc_flash_data = {
389         .width          = 4,
390         .parts          = palmtc_flash_parts,
391         .nr_parts       = ARRAY_SIZE(palmtc_flash_parts),
392 };
393
394 static struct platform_device palmtc_flash = {
395         .name           = "physmap-flash",
396         .id             = -1,
397         .resource       = &palmtc_flash_resource,
398         .num_resources  = 1,
399         .dev = {
400                 .platform_data  = &palmtc_flash_data,
401         },
402 };
403
404 /******************************************************************************
405  * Framebuffer
406  ******************************************************************************/
407 static struct pxafb_mode_info palmtc_lcd_modes[] = {
408 {
409         .pixclock       = 115384,
410         .xres           = 320,
411         .yres           = 320,
412         .bpp            = 16,
413
414         .left_margin    = 27,
415         .right_margin   = 7,
416         .upper_margin   = 7,
417         .lower_margin   = 8,
418
419         .hsync_len      = 6,
420         .vsync_len      = 1,
421 },
422 };
423
424 static struct pxafb_mach_info palmtc_lcd_screen = {
425         .modes                  = palmtc_lcd_modes,
426         .num_modes              = ARRAY_SIZE(palmtc_lcd_modes),
427         .lcd_conn               = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
428 };
429
430 /******************************************************************************
431  * Machine init
432  ******************************************************************************/
433 static struct platform_device *devices[] __initdata = {
434         &palmtc_backlight,
435         &palmtc_ucb1400_core,
436         &palmtc_keyboard,
437         &palmtc_pxa_keys,
438         &palmtc_flash,
439 };
440
441 static void __init palmtc_init(void)
442 {
443         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
444
445         set_pxa_fb_info(&palmtc_lcd_screen);
446         pxa_set_mci_info(&palmtc_mci_platform_data);
447         pxa_set_udc_info(&palmtc_udc_info);
448         pxa_set_ac97_info(NULL);
449         pxa_set_ficp_info(&palmtc_ficp_platform_data);
450
451         platform_add_devices(devices, ARRAY_SIZE(devices));
452 };
453
454 MACHINE_START(PALMTC, "Palm Tungsten|C")
455         .phys_io        = 0x40000000,
456         .boot_params    = 0xa0000100,
457         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
458         .map_io         = pxa_map_io,
459         .init_irq       = pxa25x_init_irq,
460         .timer          = &pxa_timer,
461         .init_machine   = palmtc_init
462 MACHINE_END