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[ARM] pxa: Palm Tungsten|C initial support
[deliverable/linux.git] / arch / arm / mach-pxa / palmtc.c
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5d783a2d
MV		 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 ******************************************************************************/
48static 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 ******************************************************************************/
138static 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 ******************************************************************************/
149static struct gpio_keys_button palmtc_pxa_buttons[] = {
150 {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1},
151};
152
153static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
154 .buttons = palmtc_pxa_buttons,
155 .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons),
156};
157
158static 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 ******************************************************************************/
169static 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
182err2:
183 gpio_free(GPIO_NR_PALMTC_BL_POWER);
184err:
185 return ret;
186}
187
188static 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
195static void palmtc_backlight_exit(struct device *dev)
196{
197 gpio_free(GPIO_NR_PALMTC_BL_POWER);
198}
199
200static 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
210static 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 ******************************************************************************/
221static 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);
230err:
231 return err;
232}
233
234static void palmtc_irda_shutdown(struct device *dev)
235{
236 gpio_free(GPIO_NR_PALMTC_IR_DISABLE);
237}
238
239static 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
245static 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 ******************************************************************************/
255static 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
306const struct matrix_keymap_data palmtc_keymap_data = {
307 .keymap = palmtc_matrix_keys,
308 .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
309};
310
311const static unsigned int palmtc_keypad_row_gpios[] = {
312 0, 9, 10, 11
313};
314
315const static unsigned int palmtc_keypad_col_gpios[] = {
316 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
317};
318
319static 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
331static 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 ******************************************************************************/
342static 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 ******************************************************************************/
351static struct platform_device palmtc_ucb1400_core = {
352 .name = "ucb1400_core",
353 .id = -1,
354};
355
356/******************************************************************************
357 * NOR Flash
358 ******************************************************************************/
359static struct resource palmtc_flash_resource = {
360 .start = PXA_CS0_PHYS,
361 .end = PXA_CS0_PHYS + SZ_16M - 1,
362 .flags = IORESOURCE_MEM,
363};
364
365static 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
388static 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
394static 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 ******************************************************************************/
407static 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
424static 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 ******************************************************************************/
433static struct platform_device *devices[] __initdata = {
434 &palmtc_backlight,
435 &palmtc_ucb1400_core,
436 &palmtc_keyboard,
437 &palmtc_pxa_keys,
438 &palmtc_flash,
439};
440
441static 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
454MACHINE_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
462MACHINE_END
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