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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 | ******************************************************************************/ |
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 | GPIOxx_LCD_TFT_16BPP, |
88 | |
89 | /* MATRIX KEYPAD */ |
90 | GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 0 */ |
91 | GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 1 */ |
92 | GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 2 */ |
93 | GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* in 3 */ |
94 | GPIO18_GPIO | MFP_LPM_DRIVE_LOW, /* out 0 */ |
95 | GPIO19_GPIO | MFP_LPM_DRIVE_LOW, /* out 1 */ |
96 | GPIO20_GPIO | MFP_LPM_DRIVE_LOW, /* out 2 */ |
97 | GPIO21_GPIO | MFP_LPM_DRIVE_LOW, /* out 3 */ |
98 | GPIO22_GPIO | MFP_LPM_DRIVE_LOW, /* out 4 */ |
99 | GPIO23_GPIO | MFP_LPM_DRIVE_LOW, /* out 5 */ |
100 | GPIO24_GPIO | MFP_LPM_DRIVE_LOW, /* out 6 */ |
101 | GPIO25_GPIO | MFP_LPM_DRIVE_LOW, /* out 7 */ |
102 | GPIO26_GPIO | MFP_LPM_DRIVE_LOW, /* out 8 */ |
103 | GPIO27_GPIO | MFP_LPM_DRIVE_LOW, /* out 9 */ |
104 | GPIO79_GPIO | MFP_LPM_DRIVE_LOW, /* out 10 */ |
105 | GPIO80_GPIO | MFP_LPM_DRIVE_LOW, /* out 11 */ |
106 | |
107 | /* PXA GPIO KEYS */ |
108 | GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH, /* hotsync button on cradle */ |
109 | |
110 | /* MISC */ |
111 | GPIO1_RST, /* reset */ |
112 | GPIO2_GPIO, /* earphone detect */ |
113 | GPIO16_GPIO, /* backlight switch */ |
114 | }; |
115 | |
116 | /****************************************************************************** |
117 | * SD/MMC card controller |
118 | ******************************************************************************/ |
119 | static struct pxamci_platform_data palmtc_mci_platform_data = { |
120 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
121 | .gpio_power = GPIO_NR_PALMTC_SD_POWER, |
122 | .gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY, |
123 | .gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N, |
124 | .detect_delay_ms = 200, |
125 | }; |
126 | |
127 | /****************************************************************************** |
128 | * GPIO keys |
129 | ******************************************************************************/ |
130 | static struct gpio_keys_button palmtc_pxa_buttons[] = { |
131 | {KEY_F8, GPIO_NR_PALMTC_HOTSYNC_BUTTON, 1, "HotSync Button", EV_KEY, 1}, |
132 | }; |
133 | |
134 | static struct gpio_keys_platform_data palmtc_pxa_keys_data = { |
135 | .buttons = palmtc_pxa_buttons, |
136 | .nbuttons = ARRAY_SIZE(palmtc_pxa_buttons), |
137 | }; |
138 | |
139 | static struct platform_device palmtc_pxa_keys = { |
140 | .name = "gpio-keys", |
141 | .id = -1, |
142 | .dev = { |
143 | .platform_data = &palmtc_pxa_keys_data, |
144 | }, |
145 | }; |
146 | |
147 | /****************************************************************************** |
148 | * Backlight |
149 | ******************************************************************************/ |
150 | static int palmtc_backlight_init(struct device *dev) |
151 | { |
152 | int ret; |
153 | |
154 | ret = gpio_request(GPIO_NR_PALMTC_BL_POWER, "BL POWER"); |
155 | if (ret) |
156 | goto err; |
157 | ret = gpio_direction_output(GPIO_NR_PALMTC_BL_POWER, 1); |
158 | if (ret) |
159 | goto err2; |
160 | |
161 | return 0; |
162 | |
163 | err2: |
164 | gpio_free(GPIO_NR_PALMTC_BL_POWER); |
165 | err: |
166 | return ret; |
167 | } |
168 | |
169 | static int palmtc_backlight_notify(struct device *dev, int brightness) |
170 | { |
171 | /* backlight is on when GPIO16 AF0 is high */ |
172 | gpio_set_value(GPIO_NR_PALMTC_BL_POWER, brightness); |
173 | return brightness; |
174 | } |
175 | |
176 | static void palmtc_backlight_exit(struct device *dev) |
177 | { |
178 | gpio_free(GPIO_NR_PALMTC_BL_POWER); |
179 | } |
180 | |
181 | static struct platform_pwm_backlight_data palmtc_backlight_data = { |
182 | .pwm_id = 1, |
183 | .max_brightness = PALMTC_MAX_INTENSITY, |
184 | .dft_brightness = PALMTC_MAX_INTENSITY, |
185 | .pwm_period_ns = PALMTC_PERIOD_NS, |
186 | .init = palmtc_backlight_init, |
187 | .notify = palmtc_backlight_notify, |
188 | .exit = palmtc_backlight_exit, |
189 | }; |
190 | |
191 | static struct platform_device palmtc_backlight = { |
192 | .name = "pwm-backlight", |
193 | .dev = { |
194 | .parent = &pxa25x_device_pwm1.dev, |
195 | .platform_data = &palmtc_backlight_data, |
196 | }, |
197 | }; |
198 | |
199 | /****************************************************************************** |
200 | * IrDA |
201 | ******************************************************************************/ |
202 | static struct pxaficp_platform_data palmtc_ficp_platform_data = { |
203 | .gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE, |
204 | .transceiver_cap = IR_SIRMODE | IR_OFF, |
205 | }; |
206 | |
207 | /****************************************************************************** |
208 | * Keyboard |
209 | ******************************************************************************/ |
210 | static const uint32_t palmtc_matrix_keys[] = { |
211 | KEY(0, 0, KEY_F1), |
212 | KEY(0, 1, KEY_X), |
213 | KEY(0, 2, KEY_POWER), |
214 | KEY(0, 3, KEY_TAB), |
215 | KEY(0, 4, KEY_A), |
216 | KEY(0, 5, KEY_Q), |
217 | KEY(0, 6, KEY_LEFTSHIFT), |
218 | KEY(0, 7, KEY_Z), |
219 | KEY(0, 8, KEY_S), |
220 | KEY(0, 9, KEY_W), |
221 | KEY(0, 10, KEY_E), |
222 | KEY(0, 11, KEY_UP), |
223 | |
224 | KEY(1, 0, KEY_F2), |
225 | KEY(1, 1, KEY_DOWN), |
226 | KEY(1, 3, KEY_D), |
227 | KEY(1, 4, KEY_C), |
228 | KEY(1, 5, KEY_F), |
229 | KEY(1, 6, KEY_R), |
230 | KEY(1, 7, KEY_SPACE), |
231 | KEY(1, 8, KEY_V), |
232 | KEY(1, 9, KEY_G), |
233 | KEY(1, 10, KEY_T), |
234 | KEY(1, 11, KEY_LEFT), |
235 | |
236 | KEY(2, 0, KEY_F3), |
237 | KEY(2, 1, KEY_LEFTCTRL), |
238 | KEY(2, 3, KEY_H), |
239 | KEY(2, 4, KEY_Y), |
240 | KEY(2, 5, KEY_N), |
241 | KEY(2, 6, KEY_J), |
242 | KEY(2, 7, KEY_U), |
243 | KEY(2, 8, KEY_M), |
244 | KEY(2, 9, KEY_K), |
245 | KEY(2, 10, KEY_I), |
246 | KEY(2, 11, KEY_RIGHT), |
247 | |
248 | KEY(3, 0, KEY_F4), |
249 | KEY(3, 1, KEY_ENTER), |
250 | KEY(3, 3, KEY_DOT), |
251 | KEY(3, 4, KEY_L), |
252 | KEY(3, 5, KEY_O), |
253 | KEY(3, 6, KEY_LEFTALT), |
254 | KEY(3, 7, KEY_ENTER), |
255 | KEY(3, 8, KEY_BACKSPACE), |
256 | KEY(3, 9, KEY_P), |
257 | KEY(3, 10, KEY_B), |
258 | KEY(3, 11, KEY_FN), |
259 | }; |
260 | |
261 | const struct matrix_keymap_data palmtc_keymap_data = { |
262 | .keymap = palmtc_matrix_keys, |
263 | .keymap_size = ARRAY_SIZE(palmtc_matrix_keys), |
264 | }; |
265 | |
266 | static const unsigned int palmtc_keypad_row_gpios[] = { |
267 | 0, 9, 10, 11 |
268 | }; |
269 | |
270 | static const unsigned int palmtc_keypad_col_gpios[] = { |
271 | 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 79, 80 |
272 | }; |
273 | |
274 | static struct matrix_keypad_platform_data palmtc_keypad_platform_data = { |
275 | .keymap_data = &palmtc_keymap_data, |
276 | .row_gpios = palmtc_keypad_row_gpios, |
277 | .num_row_gpios = ARRAY_SIZE(palmtc_keypad_row_gpios), |
278 | .col_gpios = palmtc_keypad_col_gpios, |
279 | .num_col_gpios = ARRAY_SIZE(palmtc_keypad_col_gpios), |
280 | .active_low = 1, |
281 | |
282 | .debounce_ms = 20, |
283 | .col_scan_delay_us = 5, |
284 | }; |
285 | |
286 | static struct platform_device palmtc_keyboard = { |
287 | .name = "matrix-keypad", |
288 | .id = -1, |
289 | .dev = { |
290 | .platform_data = &palmtc_keypad_platform_data, |
291 | }, |
292 | }; |
293 | |
294 | /****************************************************************************** |
295 | * UDC |
296 | ******************************************************************************/ |
297 | static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = { |
298 | .gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N, |
299 | .gpio_vbus_inverted = 1, |
300 | .gpio_pullup = GPIO_NR_PALMTC_USB_POWER, |
301 | }; |
302 | |
303 | /****************************************************************************** |
304 | * Touchscreen / Battery / GPIO-extender |
305 | ******************************************************************************/ |
306 | static struct platform_device palmtc_ucb1400_core = { |
307 | .name = "ucb1400_core", |
308 | .id = -1, |
309 | }; |
310 | |
311 | /****************************************************************************** |
312 | * NOR Flash |
313 | ******************************************************************************/ |
314 | static struct resource palmtc_flash_resource = { |
315 | .start = PXA_CS0_PHYS, |
316 | .end = PXA_CS0_PHYS + SZ_16M - 1, |
317 | .flags = IORESOURCE_MEM, |
318 | }; |
319 | |
320 | static struct mtd_partition palmtc_flash_parts[] = { |
321 | { |
322 | .name = "U-Boot Bootloader", |
323 | .offset = 0x0, |
324 | .size = 0x40000, |
325 | }, |
326 | { |
327 | .name = "Linux Kernel", |
328 | .offset = 0x40000, |
329 | .size = 0x2c0000, |
330 | }, |
331 | { |
332 | .name = "Filesystem", |
333 | .offset = 0x300000, |
334 | .size = 0xcc0000, |
335 | }, |
336 | { |
337 | .name = "U-Boot Environment", |
338 | .offset = 0xfc0000, |
339 | .size = MTDPART_SIZ_FULL, |
340 | }, |
341 | }; |
342 | |
343 | static struct physmap_flash_data palmtc_flash_data = { |
344 | .width = 4, |
345 | .parts = palmtc_flash_parts, |
346 | .nr_parts = ARRAY_SIZE(palmtc_flash_parts), |
347 | }; |
348 | |
349 | static struct platform_device palmtc_flash = { |
350 | .name = "physmap-flash", |
351 | .id = -1, |
352 | .resource = &palmtc_flash_resource, |
353 | .num_resources = 1, |
354 | .dev = { |
355 | .platform_data = &palmtc_flash_data, |
356 | }, |
357 | }; |
358 | |
359 | /****************************************************************************** |
360 | * Framebuffer |
361 | ******************************************************************************/ |
362 | static struct pxafb_mode_info palmtc_lcd_modes[] = { |
363 | { |
364 | .pixclock = 115384, |
365 | .xres = 320, |
366 | .yres = 320, |
367 | .bpp = 16, |
368 | |
369 | .left_margin = 27, |
370 | .right_margin = 7, |
371 | .upper_margin = 7, |
372 | .lower_margin = 8, |
373 | |
374 | .hsync_len = 6, |
375 | .vsync_len = 1, |
376 | }, |
377 | }; |
378 | |
379 | static struct pxafb_mach_info palmtc_lcd_screen = { |
380 | .modes = palmtc_lcd_modes, |
381 | .num_modes = ARRAY_SIZE(palmtc_lcd_modes), |
382 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
383 | }; |
384 | |
385 | /****************************************************************************** |
386 | * Machine init |
387 | ******************************************************************************/ |
388 | static struct platform_device *devices[] __initdata = { |
389 | &palmtc_backlight, |
390 | &palmtc_ucb1400_core, |
391 | &palmtc_keyboard, |
392 | &palmtc_pxa_keys, |
393 | &palmtc_flash, |
394 | }; |
395 | |
396 | static void __init palmtc_init(void) |
397 | { |
398 | pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config)); |
399 | |
400 | pxa_set_ffuart_info(NULL); |
401 | pxa_set_btuart_info(NULL); |
402 | pxa_set_stuart_info(NULL); |
403 | pxa_set_hwuart_info(NULL); |
404 | |
405 | set_pxa_fb_info(&palmtc_lcd_screen); |
406 | pxa_set_mci_info(&palmtc_mci_platform_data); |
407 | pxa_set_udc_info(&palmtc_udc_info); |
408 | pxa_set_ac97_info(NULL); |
409 | pxa_set_ficp_info(&palmtc_ficp_platform_data); |
410 | |
411 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
412 | }; |
413 | |
414 | MACHINE_START(PALMTC, "Palm Tungsten|C") |
415 | .boot_params = 0xa0000100, |
416 | .map_io = pxa_map_io, |
417 | .init_irq = pxa25x_init_irq, |
418 | .timer = &pxa_timer, |
419 | .init_machine = palmtc_init |
420 | MACHINE_END |
421 |
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