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net: mediatek: fix non static symbol warnings
[linux/fpc-iii.git] / arch / mips / jz4740 / board-qi_lb60.c
blob258fd03c9ef5aa98145cb69b699f39f5dd92e81a
1 /*
2 * linux/arch/mips/jz4740/board-qi_lb60.c
3 *
4 * QI_LB60 board support
5 *
6 * Copyright (c) 2009 Qi Hardware inc.,
7 * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
8 * Copyright 2010, Lars-Peter Clausen <lars@metafoo.de>
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 or later
12 * as published by the Free Software Foundation.
13 */
14
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/gpio.h>
18 #include <linux/gpio/machine.h>
19
20 #include <linux/input.h>
21 #include <linux/gpio_keys.h>
22 #include <linux/input/matrix_keypad.h>
23 #include <linux/spi/spi.h>
24 #include <linux/spi/spi_gpio.h>
25 #include <linux/power_supply.h>
26 #include <linux/power/jz4740-battery.h>
27 #include <linux/power/gpio-charger.h>
28 #include <linux/pwm.h>
29
30 #include <asm/mach-jz4740/gpio.h>
31 #include <asm/mach-jz4740/jz4740_fb.h>
32 #include <asm/mach-jz4740/jz4740_mmc.h>
33 #include <asm/mach-jz4740/jz4740_nand.h>
34
35 #include <linux/regulator/fixed.h>
36 #include <linux/regulator/machine.h>
37
38 #include <asm/mach-jz4740/platform.h>
39
40 #include "clock.h"
41
42 /* GPIOs */
43 #define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
44 #define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
45
46 #define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
47 #define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
48 #define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
49
50 /* NAND */
51
52 /* Early prototypes of the QI LB60 had only 1GB of NAND.
53 * In order to support these devices as well the partition and ecc layout is
54 * initialized depending on the NAND size */
55 static struct mtd_partition qi_lb60_partitions_1gb[] = {
56 {
57 .name = "NAND BOOT partition",
58 .offset = 0 * 0x100000,
59 .size = 4 * 0x100000,
60 },
61 {
62 .name = "NAND KERNEL partition",
63 .offset = 4 * 0x100000,
64 .size = 4 * 0x100000,
65 },
66 {
67 .name = "NAND ROOTFS partition",
68 .offset = 8 * 0x100000,
69 .size = (504 + 512) * 0x100000,
70 },
71 };
72
73 static struct mtd_partition qi_lb60_partitions_2gb[] = {
74 {
75 .name = "NAND BOOT partition",
76 .offset = 0 * 0x100000,
77 .size = 4 * 0x100000,
78 },
79 {
80 .name = "NAND KERNEL partition",
81 .offset = 4 * 0x100000,
82 .size = 4 * 0x100000,
83 },
84 {
85 .name = "NAND ROOTFS partition",
86 .offset = 8 * 0x100000,
87 .size = (504 + 512 + 1024) * 0x100000,
88 },
89 };
90
91 static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section,
92 struct mtd_oob_region *oobregion)
93 {
94 if (section)
95 return -ERANGE;
96
97 oobregion->length = 36;
98 oobregion->offset = 6;
99
100 if (mtd->oobsize == 128) {
101 oobregion->length *= 2;
102 oobregion->offset *= 2;
103 }
104
105 return 0;
106 }
107
108 static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section,
109 struct mtd_oob_region *oobregion)
110 {
111 int eccbytes = 36, eccoff = 6;
112
113 if (section > 1)
114 return -ERANGE;
115
116 if (mtd->oobsize == 128) {
117 eccbytes *= 2;
118 eccoff *= 2;
119 }
120
121 if (!section) {
122 oobregion->offset = 2;
123 oobregion->length = eccoff - 2;
124 } else {
125 oobregion->offset = eccoff + eccbytes;
126 oobregion->length = mtd->oobsize - oobregion->offset;
127 }
128
129 return 0;
130 }
131
132 static const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = {
133 .ecc = qi_lb60_ooblayout_ecc,
134 .free = qi_lb60_ooblayout_free,
135 };
136
137 static void qi_lb60_nand_ident(struct platform_device *pdev,
138 struct mtd_info *mtd, struct mtd_partition **partitions,
139 int *num_partitions)
140 {
141 struct nand_chip *chip = mtd_to_nand(mtd);
142
143 if (chip->page_shift == 12) {
144 *partitions = qi_lb60_partitions_2gb;
145 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
146 } else {
147 *partitions = qi_lb60_partitions_1gb;
148 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
149 }
150
151 mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops);
152 }
153
154 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
155 .ident_callback = qi_lb60_nand_ident,
156 .banks = { 1 },
157 };
158
159 static struct gpiod_lookup_table qi_lb60_nand_gpio_table = {
160 .dev_id = "jz4740-nand.0",
161 .table = {
162 GPIO_LOOKUP("Bank C", 30, "busy", 0),
163 { },
164 },
165 };
166
167
168 /* Keyboard*/
169
170 #define KEY_QI_QI KEY_F13
171 #define KEY_QI_UPRED KEY_RIGHTALT
172 #define KEY_QI_VOLUP KEY_VOLUMEUP
173 #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
174 #define KEY_QI_FN KEY_LEFTCTRL
175
176 static const uint32_t qi_lb60_keymap[] = {
177 KEY(0, 0, KEY_F1), /* S2 */
178 KEY(0, 1, KEY_F2), /* S3 */
179 KEY(0, 2, KEY_F3), /* S4 */
180 KEY(0, 3, KEY_F4), /* S5 */
181 KEY(0, 4, KEY_F5), /* S6 */
182 KEY(0, 5, KEY_F6), /* S7 */
183 KEY(0, 6, KEY_F7), /* S8 */
184
185 KEY(1, 0, KEY_Q), /* S10 */
186 KEY(1, 1, KEY_W), /* S11 */
187 KEY(1, 2, KEY_E), /* S12 */
188 KEY(1, 3, KEY_R), /* S13 */
189 KEY(1, 4, KEY_T), /* S14 */
190 KEY(1, 5, KEY_Y), /* S15 */
191 KEY(1, 6, KEY_U), /* S16 */
192 KEY(1, 7, KEY_I), /* S17 */
193 KEY(2, 0, KEY_A), /* S18 */
194 KEY(2, 1, KEY_S), /* S19 */
195 KEY(2, 2, KEY_D), /* S20 */
196 KEY(2, 3, KEY_F), /* S21 */
197 KEY(2, 4, KEY_G), /* S22 */
198 KEY(2, 5, KEY_H), /* S23 */
199 KEY(2, 6, KEY_J), /* S24 */
200 KEY(2, 7, KEY_K), /* S25 */
201 KEY(3, 0, KEY_ESC), /* S26 */
202 KEY(3, 1, KEY_Z), /* S27 */
203 KEY(3, 2, KEY_X), /* S28 */
204 KEY(3, 3, KEY_C), /* S29 */
205 KEY(3, 4, KEY_V), /* S30 */
206 KEY(3, 5, KEY_B), /* S31 */
207 KEY(3, 6, KEY_N), /* S32 */
208 KEY(3, 7, KEY_M), /* S33 */
209 KEY(4, 0, KEY_TAB), /* S34 */
210 KEY(4, 1, KEY_CAPSLOCK), /* S35 */
211 KEY(4, 2, KEY_BACKSLASH), /* S36 */
212 KEY(4, 3, KEY_APOSTROPHE), /* S37 */
213 KEY(4, 4, KEY_COMMA), /* S38 */
214 KEY(4, 5, KEY_DOT), /* S39 */
215 KEY(4, 6, KEY_SLASH), /* S40 */
216 KEY(4, 7, KEY_UP), /* S41 */
217 KEY(5, 0, KEY_O), /* S42 */
218 KEY(5, 1, KEY_L), /* S43 */
219 KEY(5, 2, KEY_EQUAL), /* S44 */
220 KEY(5, 3, KEY_QI_UPRED), /* S45 */
221 KEY(5, 4, KEY_SPACE), /* S46 */
222 KEY(5, 5, KEY_QI_QI), /* S47 */
223 KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
224 KEY(5, 7, KEY_LEFT), /* S49 */
225 KEY(6, 0, KEY_F8), /* S50 */
226 KEY(6, 1, KEY_P), /* S51 */
227 KEY(6, 2, KEY_BACKSPACE),/* S52 */
228 KEY(6, 3, KEY_ENTER), /* S53 */
229 KEY(6, 4, KEY_QI_VOLUP), /* S54 */
230 KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
231 KEY(6, 6, KEY_DOWN), /* S56 */
232 KEY(6, 7, KEY_RIGHT), /* S57 */
233
234 KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
235 KEY(7, 1, KEY_LEFTALT), /* S59 */
236 KEY(7, 2, KEY_QI_FN), /* S60 */
237 };
238
239 static const struct matrix_keymap_data qi_lb60_keymap_data = {
240 .keymap = qi_lb60_keymap,
241 .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
242 };
243
244 static const unsigned int qi_lb60_keypad_cols[] = {
245 QI_LB60_GPIO_KEYOUT(0),
246 QI_LB60_GPIO_KEYOUT(1),
247 QI_LB60_GPIO_KEYOUT(2),
248 QI_LB60_GPIO_KEYOUT(3),
249 QI_LB60_GPIO_KEYOUT(4),
250 QI_LB60_GPIO_KEYOUT(5),
251 QI_LB60_GPIO_KEYOUT(6),
252 QI_LB60_GPIO_KEYOUT(7),
253 };
254
255 static const unsigned int qi_lb60_keypad_rows[] = {
256 QI_LB60_GPIO_KEYIN(0),
257 QI_LB60_GPIO_KEYIN(1),
258 QI_LB60_GPIO_KEYIN(2),
259 QI_LB60_GPIO_KEYIN(3),
260 QI_LB60_GPIO_KEYIN(4),
261 QI_LB60_GPIO_KEYIN(5),
262 QI_LB60_GPIO_KEYIN(6),
263 QI_LB60_GPIO_KEYIN8,
264 };
265
266 static struct matrix_keypad_platform_data qi_lb60_pdata = {
267 .keymap_data = &qi_lb60_keymap_data,
268 .col_gpios = qi_lb60_keypad_cols,
269 .row_gpios = qi_lb60_keypad_rows,
270 .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
271 .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
272 .col_scan_delay_us = 10,
273 .debounce_ms = 10,
274 .wakeup = 1,
275 .active_low = 1,
276 };
277
278 static struct platform_device qi_lb60_keypad = {
279 .name = "matrix-keypad",
280 .id = -1,
281 .dev = {
282 .platform_data = &qi_lb60_pdata,
283 },
284 };
285
286 /* Display */
287 static struct fb_videomode qi_lb60_video_modes[] = {
288 {
289 .name = "320x240",
290 .xres = 320,
291 .yres = 240,
292 .refresh = 30,
293 .left_margin = 140,
294 .right_margin = 273,
295 .upper_margin = 20,
296 .lower_margin = 2,
297 .hsync_len = 1,
298 .vsync_len = 1,
299 .sync = 0,
300 .vmode = FB_VMODE_NONINTERLACED,
301 },
302 };
303
304 static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
305 .width = 60,
306 .height = 45,
307 .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
308 .modes = qi_lb60_video_modes,
309 .bpp = 24,
310 .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
311 .pixclk_falling_edge = 1,
312 };
313
314 struct spi_gpio_platform_data spigpio_platform_data = {
315 .sck = JZ_GPIO_PORTC(23),
316 .mosi = JZ_GPIO_PORTC(22),
317 .miso = -1,
318 .num_chipselect = 1,
319 };
320
321 static struct platform_device spigpio_device = {
322 .name = "spi_gpio",
323 .id = 1,
324 .dev = {
325 .platform_data = &spigpio_platform_data,
326 },
327 };
328
329 static struct spi_board_info qi_lb60_spi_board_info[] = {
330 {
331 .modalias = "ili8960",
332 .controller_data = (void *)JZ_GPIO_PORTC(21),
333 .chip_select = 0,
334 .bus_num = 1,
335 .max_speed_hz = 30 * 1000,
336 .mode = SPI_3WIRE,
337 },
338 };
339
340 /* Battery */
341 static struct jz_battery_platform_data qi_lb60_battery_pdata = {
342 .gpio_charge = JZ_GPIO_PORTC(27),
343 .gpio_charge_active_low = 1,
344 .info = {
345 .name = "battery",
346 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
347 .voltage_max_design = 4200000,
348 .voltage_min_design = 3600000,
349 },
350 };
351
352 /* GPIO Key: power */
353 static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
354 [0] = {
355 .code = KEY_POWER,
356 .gpio = JZ_GPIO_PORTD(29),
357 .active_low = 1,
358 .desc = "Power",
359 .wakeup = 1,
360 },
361 };
362
363 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
364 .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
365 .buttons = qi_lb60_gpio_keys_buttons,
366 };
367
368 static struct platform_device qi_lb60_gpio_keys = {
369 .name = "gpio-keys",
370 .id = -1,
371 .dev = {
372 .platform_data = &qi_lb60_gpio_keys_data,
373 }
374 };
375
376 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
377 .gpio_card_detect = QI_LB60_GPIO_SD_CD,
378 .gpio_read_only = -1,
379 .gpio_power = QI_LB60_GPIO_SD_VCC_EN_N,
380 .power_active_low = 1,
381 };
382
383 /* beeper */
384 static struct pwm_lookup qi_lb60_pwm_lookup[] = {
385 PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
386 PWM_POLARITY_NORMAL),
387 };
388
389 static struct platform_device qi_lb60_pwm_beeper = {
390 .name = "pwm-beeper",
391 .id = -1,
392 };
393
394 /* charger */
395 static char *qi_lb60_batteries[] = {
396 "battery",
397 };
398
399 static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
400 .name = "usb",
401 .type = POWER_SUPPLY_TYPE_USB,
402 .gpio = JZ_GPIO_PORTD(28),
403 .gpio_active_low = 1,
404 .supplied_to = qi_lb60_batteries,
405 .num_supplicants = ARRAY_SIZE(qi_lb60_batteries),
406 };
407
408 static struct platform_device qi_lb60_charger_device = {
409 .name = "gpio-charger",
410 .dev = {
411 .platform_data = &qi_lb60_charger_pdata,
412 },
413 };
414
415 /* audio */
416 static struct platform_device qi_lb60_audio_device = {
417 .name = "qi-lb60-audio",
418 .id = -1,
419 };
420
421 static struct gpiod_lookup_table qi_lb60_audio_gpio_table = {
422 .dev_id = "qi-lb60-audio",
423 .table = {
424 GPIO_LOOKUP("Bank B", 29, "snd", 0),
425 GPIO_LOOKUP("Bank D", 4, "amp", 0),
426 { },
427 },
428 };
429
430 static struct platform_device *jz_platform_devices[] __initdata = {
431 &jz4740_udc_device,
432 &jz4740_udc_xceiv_device,
433 &jz4740_mmc_device,
434 &jz4740_nand_device,
435 &qi_lb60_keypad,
436 &spigpio_device,
437 &jz4740_framebuffer_device,
438 &jz4740_pcm_device,
439 &jz4740_i2s_device,
440 &jz4740_codec_device,
441 &jz4740_rtc_device,
442 &jz4740_adc_device,
443 &jz4740_pwm_device,
444 &jz4740_dma_device,
445 &qi_lb60_gpio_keys,
446 &qi_lb60_pwm_beeper,
447 &qi_lb60_charger_device,
448 &qi_lb60_audio_device,
449 };
450
451 static void __init board_gpio_setup(void)
452 {
453 /* We only need to enable/disable pullup here for pins used in generic
454 * drivers. Everything else is done by the drivers themselves. */
455 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
456 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
457 }
458
459 static int __init qi_lb60_init_platform_devices(void)
460 {
461 jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
462 jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
463 jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata;
464 jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
465
466 gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
467 gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
468
469 spi_register_board_info(qi_lb60_spi_board_info,
470 ARRAY_SIZE(qi_lb60_spi_board_info));
471
472 pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
473
474 return platform_add_devices(jz_platform_devices,
475 ARRAY_SIZE(jz_platform_devices));
476
477 }
478
479 static int __init qi_lb60_board_setup(void)
480 {
481 printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n");
482
483 board_gpio_setup();
484
485 if (qi_lb60_init_platform_devices())
486 panic("Failed to initialize platform devices");
487
488 return 0;
489 }
490 arch_initcall(qi_lb60_board_setup);
Linux with added FPC-III support