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-rw-r--r--arch/arm/mach-pxa/palmtc.c441
1 files changed, 441 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmtc.c b/arch/arm/mach-pxa/palmtc.c
new file mode 100644
index 000000000000..308417592007
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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 struct pxaficp_platform_data palmtc_ficp_platform_data = {
222 .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
223 .transceiver_cap = IR_SIRMODE | IR_OFF,
224};
225
226/******************************************************************************
227 * Keyboard
228 ******************************************************************************/
229static const uint32_t palmtc_matrix_keys[] = {
230 KEY(0, 0, KEY_F1),
231 KEY(0, 1, KEY_X),
232 KEY(0, 2, KEY_POWER),
233 KEY(0, 3, KEY_TAB),
234 KEY(0, 4, KEY_A),
235 KEY(0, 5, KEY_Q),
236 KEY(0, 6, KEY_LEFTSHIFT),
237 KEY(0, 7, KEY_Z),
238 KEY(0, 8, KEY_S),
239 KEY(0, 9, KEY_W),
240 KEY(0, 10, KEY_E),
241 KEY(0, 11, KEY_UP),
242
243 KEY(1, 0, KEY_F2),
244 KEY(1, 1, KEY_DOWN),
245 KEY(1, 3, KEY_D),
246 KEY(1, 4, KEY_C),
247 KEY(1, 5, KEY_F),
248 KEY(1, 6, KEY_R),
249 KEY(1, 7, KEY_SPACE),
250 KEY(1, 8, KEY_V),
251 KEY(1, 9, KEY_G),
252 KEY(1, 10, KEY_T),
253 KEY(1, 11, KEY_LEFT),
254
255 KEY(2, 0, KEY_F3),
256 KEY(2, 1, KEY_LEFTCTRL),
257 KEY(2, 3, KEY_H),
258 KEY(2, 4, KEY_Y),
259 KEY(2, 5, KEY_N),
260 KEY(2, 6, KEY_J),
261 KEY(2, 7, KEY_U),
262 KEY(2, 8, KEY_M),
263 KEY(2, 9, KEY_K),
264 KEY(2, 10, KEY_I),
265 KEY(2, 11, KEY_RIGHT),
266
267 KEY(3, 0, KEY_F4),
268 KEY(3, 1, KEY_ENTER),
269 KEY(3, 3, KEY_DOT),
270 KEY(3, 4, KEY_L),
271 KEY(3, 5, KEY_O),
272 KEY(3, 6, KEY_LEFTALT),
273 KEY(3, 7, KEY_ENTER),
274 KEY(3, 8, KEY_BACKSPACE),
275 KEY(3, 9, KEY_P),
276 KEY(3, 10, KEY_B),
277 KEY(3, 11, KEY_FN),
278};
279
280const struct matrix_keymap_data palmtc_keymap_data = {
281 .keymap = palmtc_matrix_keys,
282 .keymap_size = ARRAY_SIZE(palmtc_matrix_keys),
283};
284
285const static unsigned int palmtc_keypad_row_gpios[] = {
286 0, 9, 10, 11
287};
288
289const static unsigned int palmtc_keypad_col_gpios[] = {
290 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80
291};
292
293static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
294 .keymap_data = &palmtc_keymap_data,
295 .row_gpios = palmtc_keypad_row_gpios,
296 .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios),
297 .col_gpios = palmtc_keypad_col_gpios,
298 .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios),
299 .active_low = 1,
300
301 .debounce_ms = 20,
302 .col_scan_delay_us = 5,
303};
304
305static struct platform_device palmtc_keyboard = {
306 .name = "matrix-keypad",
307 .id = -1,
308 .dev = {
309 .platform_data = &palmtc_keypad_platform_data,
310 },
311};
312
313/******************************************************************************
314 * UDC
315 ******************************************************************************/
316static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = {
317 .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N,
318 .gpio_vbus_inverted = 1,
319 .gpio_pullup = GPIO_NR_PALMTC_USB_POWER,
320};
321
322/******************************************************************************
323 * Touchscreen / Battery / GPIO-extender
324 ******************************************************************************/
325static struct platform_device palmtc_ucb1400_core = {
326 .name = "ucb1400_core",
327 .id = -1,
328};
329
330/******************************************************************************
331 * NOR Flash
332 ******************************************************************************/
333static struct resource palmtc_flash_resource = {
334 .start = PXA_CS0_PHYS,
335 .end = PXA_CS0_PHYS + SZ_16M - 1,
336 .flags = IORESOURCE_MEM,
337};
338
339static struct mtd_partition palmtc_flash_parts[] = {
340 {
341 .name = "U-Boot Bootloader",
342 .offset = 0x0,
343 .size = 0x40000,
344 },
345 {
346 .name = "Linux Kernel",
347 .offset = 0x40000,
348 .size = 0x2c0000,
349 },
350 {
351 .name = "Filesystem",
352 .offset = 0x300000,
353 .size = 0xcc0000,
354 },
355 {
356 .name = "U-Boot Environment",
357 .offset = 0xfc0000,
358 .size = MTDPART_SIZ_FULL,
359 },
360};
361
362static struct physmap_flash_data palmtc_flash_data = {
363 .width = 4,
364 .parts = palmtc_flash_parts,
365 .nr_parts = ARRAY_SIZE(palmtc_flash_parts),
366};
367
368static struct platform_device palmtc_flash = {
369 .name = "physmap-flash",
370 .id = -1,
371 .resource = &palmtc_flash_resource,
372 .num_resources = 1,
373 .dev = {
374 .platform_data = &palmtc_flash_data,
375 },
376};
377
378/******************************************************************************
379 * Framebuffer
380 ******************************************************************************/
381static struct pxafb_mode_info palmtc_lcd_modes[] = {
382{
383 .pixclock = 115384,
384 .xres = 320,
385 .yres = 320,
386 .bpp = 16,
387
388 .left_margin = 27,
389 .right_margin = 7,
390 .upper_margin = 7,
391 .lower_margin = 8,
392
393 .hsync_len = 6,
394 .vsync_len = 1,
395},
396};
397
398static struct pxafb_mach_info palmtc_lcd_screen = {
399 .modes = palmtc_lcd_modes,
400 .num_modes = ARRAY_SIZE(palmtc_lcd_modes),
401 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
402};
403
404/******************************************************************************
405 * Machine init
406 ******************************************************************************/
407static struct platform_device *devices[] __initdata = {
408 &palmtc_backlight,
409 &palmtc_ucb1400_core,
410 &palmtc_keyboard,
411 &palmtc_pxa_keys,
412 &palmtc_flash,
413};
414
415static void __init palmtc_init(void)
416{
417 pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
418
419 pxa_set_ffuart_info(NULL);
420 pxa_set_btuart_info(NULL);
421 pxa_set_stuart_info(NULL);
422 pxa_set_hwuart_info(NULL);
423
424 set_pxa_fb_info(&palmtc_lcd_screen);
425 pxa_set_mci_info(&palmtc_mci_platform_data);
426 pxa_set_udc_info(&palmtc_udc_info);
427 pxa_set_ac97_info(NULL);
428 pxa_set_ficp_info(&palmtc_ficp_platform_data);
429
430 platform_add_devices(devices, ARRAY_SIZE(devices));
431};
432
433MACHINE_START(PALMTC, "Palm Tungsten|C")
434 .phys_io = 0x40000000,
435 .boot_params = 0xa0000100,
436 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
437 .map_io = pxa_map_io,
438 .init_irq = pxa25x_init_irq,
439 .timer = &pxa_timer,
440 .init_machine = palmtc_init
441MACHINE_END
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