Commit | Line | Data |
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e6b78c4f LPC |
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> | |
fe749aab | 8 | * Copyright 2010, Lars-Peter Clausen <lars@metafoo.de> |
e6b78c4f LPC |
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> | |
0a6d3158 | 18 | #include <linux/gpio/machine.h> |
e6b78c4f LPC |
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> | |
0b4cf181 | 27 | #include <linux/power/gpio-charger.h> |
0503b697 | 28 | #include <linux/pwm.h> |
e6b78c4f | 29 | |
5b235dc2 | 30 | #include <asm/mach-jz4740/gpio.h> |
e6b78c4f LPC |
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 | ||
e6b78c4f LPC |
38 | #include <asm/mach-jz4740/platform.h> |
39 | ||
40 | #include "clock.h" | |
41 | ||
e6b78c4f LPC |
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 */ | |
e6b78c4f LPC |
51 | |
52 | /* Early prototypes of the QI LB60 had only 1GB of NAND. | |
25985edc | 53 | * In order to support these devices as well the partition and ecc layout is |
b595076a | 54 | * initialized depending on the NAND size */ |
e6b78c4f LPC |
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 | ||
e6b78c4f LPC |
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 | ||
50533187 BB |
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 | ||
e6b78c4f | 137 | static void qi_lb60_nand_ident(struct platform_device *pdev, |
50533187 | 138 | struct mtd_info *mtd, struct mtd_partition **partitions, |
e6b78c4f LPC |
139 | int *num_partitions) |
140 | { | |
50533187 BB |
141 | struct nand_chip *chip = mtd_to_nand(mtd); |
142 | ||
e6b78c4f | 143 | if (chip->page_shift == 12) { |
e6b78c4f LPC |
144 | *partitions = qi_lb60_partitions_2gb; |
145 | *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb); | |
146 | } else { | |
e6b78c4f LPC |
147 | *partitions = qi_lb60_partitions_1gb; |
148 | *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb); | |
149 | } | |
50533187 BB |
150 | |
151 | mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops); | |
e6b78c4f LPC |
152 | } |
153 | ||
154 | static struct jz_nand_platform_data qi_lb60_nand_pdata = { | |
155 | .ident_callback = qi_lb60_nand_ident, | |
56635d79 | 156 | .banks = { 1 }, |
e6b78c4f LPC |
157 | }; |
158 | ||
cd145af9 LPC |
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 | ||
e6b78c4f LPC |
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 */ | |
70342287 | 235 | KEY(7, 1, KEY_LEFTALT), /* S59 */ |
e6b78c4f LPC |
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), | |
fe749aab | 262 | QI_LB60_GPIO_KEYIN(6), |
e6b78c4f LPC |
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 = { | |
70342287 | 342 | .gpio_charge = JZ_GPIO_PORTC(27), |
e6b78c4f LPC |
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 = { | |
70342287 | 369 | .name = "gpio-keys", |
e6b78c4f LPC |
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 | ||
46d6ccdb | 383 | /* beeper */ |
0503b697 TR |
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 | ||
e6b78c4f LPC |
389 | static struct platform_device qi_lb60_pwm_beeper = { |
390 | .name = "pwm-beeper", | |
391 | .id = -1, | |
e6b78c4f LPC |
392 | }; |
393 | ||
0b4cf181 LPC |
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 | ||
b33005f3 AL |
415 | /* audio */ |
416 | static struct platform_device qi_lb60_audio_device = { | |
417 | .name = "qi-lb60-audio", | |
418 | .id = -1, | |
419 | }; | |
0b4cf181 | 420 | |
218e18a3 LPC |
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 | ||
e6b78c4f LPC |
430 | static struct platform_device *jz_platform_devices[] __initdata = { |
431 | &jz4740_udc_device, | |
c330fd90 | 432 | &jz4740_udc_xceiv_device, |
e6b78c4f LPC |
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, | |
e6b78c4f | 441 | &jz4740_adc_device, |
f6b8a570 | 442 | &jz4740_pwm_device, |
cdcb90ad | 443 | &jz4740_dma_device, |
e6b78c4f LPC |
444 | &qi_lb60_gpio_keys, |
445 | &qi_lb60_pwm_beeper, | |
0b4cf181 | 446 | &qi_lb60_charger_device, |
b33005f3 | 447 | &qi_lb60_audio_device, |
e6b78c4f LPC |
448 | }; |
449 | ||
450 | static void __init board_gpio_setup(void) | |
451 | { | |
452 | /* We only need to enable/disable pullup here for pins used in generic | |
25985edc | 453 | * drivers. Everything else is done by the drivers themselves. */ |
e6b78c4f LPC |
454 | jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N); |
455 | jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD); | |
456 | } | |
457 | ||
458 | static int __init qi_lb60_init_platform_devices(void) | |
459 | { | |
460 | jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata; | |
461 | jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata; | |
462 | jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata; | |
463 | jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata; | |
464 | ||
218e18a3 | 465 | gpiod_add_lookup_table(&qi_lb60_audio_gpio_table); |
cd145af9 | 466 | gpiod_add_lookup_table(&qi_lb60_nand_gpio_table); |
218e18a3 | 467 | |
e6b78c4f LPC |
468 | spi_register_board_info(qi_lb60_spi_board_info, |
469 | ARRAY_SIZE(qi_lb60_spi_board_info)); | |
470 | ||
0503b697 TR |
471 | pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup)); |
472 | ||
e6b78c4f LPC |
473 | return platform_add_devices(jz_platform_devices, |
474 | ARRAY_SIZE(jz_platform_devices)); | |
475 | ||
476 | } | |
477 | ||
e6b78c4f LPC |
478 | static int __init qi_lb60_board_setup(void) |
479 | { | |
46d6ccdb | 480 | printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n"); |
e6b78c4f LPC |
481 | |
482 | board_gpio_setup(); | |
483 | ||
484 | if (qi_lb60_init_platform_devices()) | |
ab75dc02 | 485 | panic("Failed to initialize platform devices"); |
e6b78c4f LPC |
486 | |
487 | return 0; | |
488 | } | |
489 | arch_initcall(qi_lb60_board_setup); |