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MIPS: lb60: Fix pin mappings
[thirdparty/kernel/stable.git] / arch / mips / jz4740 / board-qi_lb60.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * linux/arch/mips/jz4740/board-qi_lb60.c
4 *
5 * QI_LB60 board support
6 *
7 * Copyright (c) 2009 Qi Hardware inc.,
8 * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
9 * Copyright 2010, Lars-Peter Clausen <lars@metafoo.de>
10 */
11
12 #include <linux/kernel.h>
13 #include <linux/init.h>
14 #include <linux/gpio.h>
15 #include <linux/gpio/machine.h>
16
17 #include <linux/input.h>
18 #include <linux/gpio_keys.h>
19 #include <linux/input/matrix_keypad.h>
20 #include <linux/spi/spi.h>
21 #include <linux/spi/spi_gpio.h>
22 #include <linux/pinctrl/machine.h>
23 #include <linux/pinctrl/pinconf-generic.h>
24 #include <linux/power_supply.h>
25 #include <linux/power/jz4740-battery.h>
26 #include <linux/power/gpio-charger.h>
27 #include <linux/pwm.h>
28
29 #include <linux/platform_data/jz4740/jz4740_nand.h>
30
31 #include <asm/mach-jz4740/gpio.h>
32 #include <asm/mach-jz4740/jz4740_fb.h>
33 #include <asm/mach-jz4740/jz4740_mmc.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_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
44 #define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
45 #define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
46
47 /* NAND */
48
49 /* Early prototypes of the QI LB60 had only 1GB of NAND.
50 * In order to support these devices as well the partition and ecc layout is
51 * initialized depending on the NAND size */
52 static struct mtd_partition qi_lb60_partitions_1gb[] = {
53 {
54 .name = "NAND BOOT partition",
55 .offset = 0 * 0x100000,
56 .size = 4 * 0x100000,
57 },
58 {
59 .name = "NAND KERNEL partition",
60 .offset = 4 * 0x100000,
61 .size = 4 * 0x100000,
62 },
63 {
64 .name = "NAND ROOTFS partition",
65 .offset = 8 * 0x100000,
66 .size = (504 + 512) * 0x100000,
67 },
68 };
69
70 static struct mtd_partition qi_lb60_partitions_2gb[] = {
71 {
72 .name = "NAND BOOT partition",
73 .offset = 0 * 0x100000,
74 .size = 4 * 0x100000,
75 },
76 {
77 .name = "NAND KERNEL partition",
78 .offset = 4 * 0x100000,
79 .size = 4 * 0x100000,
80 },
81 {
82 .name = "NAND ROOTFS partition",
83 .offset = 8 * 0x100000,
84 .size = (504 + 512 + 1024) * 0x100000,
85 },
86 };
87
88 static int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section,
89 struct mtd_oob_region *oobregion)
90 {
91 if (section)
92 return -ERANGE;
93
94 oobregion->length = 36;
95 oobregion->offset = 6;
96
97 if (mtd->oobsize == 128) {
98 oobregion->length *= 2;
99 oobregion->offset *= 2;
100 }
101
102 return 0;
103 }
104
105 static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section,
106 struct mtd_oob_region *oobregion)
107 {
108 int eccbytes = 36, eccoff = 6;
109
110 if (section > 1)
111 return -ERANGE;
112
113 if (mtd->oobsize == 128) {
114 eccbytes *= 2;
115 eccoff *= 2;
116 }
117
118 if (!section) {
119 oobregion->offset = 2;
120 oobregion->length = eccoff - 2;
121 } else {
122 oobregion->offset = eccoff + eccbytes;
123 oobregion->length = mtd->oobsize - oobregion->offset;
124 }
125
126 return 0;
127 }
128
129 static const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = {
130 .ecc = qi_lb60_ooblayout_ecc,
131 .free = qi_lb60_ooblayout_free,
132 };
133
134 static void qi_lb60_nand_ident(struct platform_device *pdev,
135 struct mtd_info *mtd, struct mtd_partition **partitions,
136 int *num_partitions)
137 {
138 struct nand_chip *chip = mtd_to_nand(mtd);
139
140 if (chip->page_shift == 12) {
141 *partitions = qi_lb60_partitions_2gb;
142 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
143 } else {
144 *partitions = qi_lb60_partitions_1gb;
145 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
146 }
147
148 mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops);
149 }
150
151 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
152 .ident_callback = qi_lb60_nand_ident,
153 .banks = { 1 },
154 };
155
156 static struct gpiod_lookup_table qi_lb60_nand_gpio_table = {
157 .dev_id = "jz4740-nand.0",
158 .table = {
159 GPIO_LOOKUP("GPIOC", 30, "busy", 0),
160 { },
161 },
162 };
163
164
165 /* Keyboard*/
166
167 #define KEY_QI_QI KEY_F13
168 #define KEY_QI_UPRED KEY_RIGHTALT
169 #define KEY_QI_VOLUP KEY_VOLUMEUP
170 #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
171 #define KEY_QI_FN KEY_LEFTCTRL
172
173 static const uint32_t qi_lb60_keymap[] = {
174 KEY(0, 0, KEY_F1), /* S2 */
175 KEY(0, 1, KEY_F2), /* S3 */
176 KEY(0, 2, KEY_F3), /* S4 */
177 KEY(0, 3, KEY_F4), /* S5 */
178 KEY(0, 4, KEY_F5), /* S6 */
179 KEY(0, 5, KEY_F6), /* S7 */
180 KEY(0, 6, KEY_F7), /* S8 */
181
182 KEY(1, 0, KEY_Q), /* S10 */
183 KEY(1, 1, KEY_W), /* S11 */
184 KEY(1, 2, KEY_E), /* S12 */
185 KEY(1, 3, KEY_R), /* S13 */
186 KEY(1, 4, KEY_T), /* S14 */
187 KEY(1, 5, KEY_Y), /* S15 */
188 KEY(1, 6, KEY_U), /* S16 */
189 KEY(1, 7, KEY_I), /* S17 */
190 KEY(2, 0, KEY_A), /* S18 */
191 KEY(2, 1, KEY_S), /* S19 */
192 KEY(2, 2, KEY_D), /* S20 */
193 KEY(2, 3, KEY_F), /* S21 */
194 KEY(2, 4, KEY_G), /* S22 */
195 KEY(2, 5, KEY_H), /* S23 */
196 KEY(2, 6, KEY_J), /* S24 */
197 KEY(2, 7, KEY_K), /* S25 */
198 KEY(3, 0, KEY_ESC), /* S26 */
199 KEY(3, 1, KEY_Z), /* S27 */
200 KEY(3, 2, KEY_X), /* S28 */
201 KEY(3, 3, KEY_C), /* S29 */
202 KEY(3, 4, KEY_V), /* S30 */
203 KEY(3, 5, KEY_B), /* S31 */
204 KEY(3, 6, KEY_N), /* S32 */
205 KEY(3, 7, KEY_M), /* S33 */
206 KEY(4, 0, KEY_TAB), /* S34 */
207 KEY(4, 1, KEY_CAPSLOCK), /* S35 */
208 KEY(4, 2, KEY_BACKSLASH), /* S36 */
209 KEY(4, 3, KEY_APOSTROPHE), /* S37 */
210 KEY(4, 4, KEY_COMMA), /* S38 */
211 KEY(4, 5, KEY_DOT), /* S39 */
212 KEY(4, 6, KEY_SLASH), /* S40 */
213 KEY(4, 7, KEY_UP), /* S41 */
214 KEY(5, 0, KEY_O), /* S42 */
215 KEY(5, 1, KEY_L), /* S43 */
216 KEY(5, 2, KEY_EQUAL), /* S44 */
217 KEY(5, 3, KEY_QI_UPRED), /* S45 */
218 KEY(5, 4, KEY_SPACE), /* S46 */
219 KEY(5, 5, KEY_QI_QI), /* S47 */
220 KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
221 KEY(5, 7, KEY_LEFT), /* S49 */
222 KEY(6, 0, KEY_F8), /* S50 */
223 KEY(6, 1, KEY_P), /* S51 */
224 KEY(6, 2, KEY_BACKSPACE),/* S52 */
225 KEY(6, 3, KEY_ENTER), /* S53 */
226 KEY(6, 4, KEY_QI_VOLUP), /* S54 */
227 KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
228 KEY(6, 6, KEY_DOWN), /* S56 */
229 KEY(6, 7, KEY_RIGHT), /* S57 */
230
231 KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
232 KEY(7, 1, KEY_LEFTALT), /* S59 */
233 KEY(7, 2, KEY_QI_FN), /* S60 */
234 };
235
236 static const struct matrix_keymap_data qi_lb60_keymap_data = {
237 .keymap = qi_lb60_keymap,
238 .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
239 };
240
241 static const unsigned int qi_lb60_keypad_cols[] = {
242 QI_LB60_GPIO_KEYOUT(0),
243 QI_LB60_GPIO_KEYOUT(1),
244 QI_LB60_GPIO_KEYOUT(2),
245 QI_LB60_GPIO_KEYOUT(3),
246 QI_LB60_GPIO_KEYOUT(4),
247 QI_LB60_GPIO_KEYOUT(5),
248 QI_LB60_GPIO_KEYOUT(6),
249 QI_LB60_GPIO_KEYOUT(7),
250 };
251
252 static const unsigned int qi_lb60_keypad_rows[] = {
253 QI_LB60_GPIO_KEYIN(0),
254 QI_LB60_GPIO_KEYIN(1),
255 QI_LB60_GPIO_KEYIN(2),
256 QI_LB60_GPIO_KEYIN(3),
257 QI_LB60_GPIO_KEYIN(4),
258 QI_LB60_GPIO_KEYIN(5),
259 QI_LB60_GPIO_KEYIN(6),
260 QI_LB60_GPIO_KEYIN8,
261 };
262
263 static struct matrix_keypad_platform_data qi_lb60_pdata = {
264 .keymap_data = &qi_lb60_keymap_data,
265 .col_gpios = qi_lb60_keypad_cols,
266 .row_gpios = qi_lb60_keypad_rows,
267 .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
268 .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
269 .col_scan_delay_us = 10,
270 .debounce_ms = 10,
271 .wakeup = 1,
272 .active_low = 1,
273 };
274
275 static struct platform_device qi_lb60_keypad = {
276 .name = "matrix-keypad",
277 .id = -1,
278 .dev = {
279 .platform_data = &qi_lb60_pdata,
280 },
281 };
282
283 /* Display */
284 static struct fb_videomode qi_lb60_video_modes[] = {
285 {
286 .name = "320x240",
287 .xres = 320,
288 .yres = 240,
289 .refresh = 30,
290 .left_margin = 140,
291 .right_margin = 273,
292 .upper_margin = 20,
293 .lower_margin = 2,
294 .hsync_len = 1,
295 .vsync_len = 1,
296 .sync = 0,
297 .vmode = FB_VMODE_NONINTERLACED,
298 },
299 };
300
301 static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
302 .width = 60,
303 .height = 45,
304 .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
305 .modes = qi_lb60_video_modes,
306 .bpp = 24,
307 .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
308 .pixclk_falling_edge = 1,
309 };
310
311 struct spi_gpio_platform_data qi_lb60_spigpio_platform_data = {
312 .num_chipselect = 1,
313 };
314
315 static struct platform_device qi_lb60_spigpio_device = {
316 .name = "spi_gpio",
317 .id = 1,
318 .dev = {
319 .platform_data = &qi_lb60_spigpio_platform_data,
320 },
321 };
322
323 static struct gpiod_lookup_table qi_lb60_spigpio_gpio_table = {
324 .dev_id = "spi_gpio",
325 .table = {
326 GPIO_LOOKUP("GPIOC", 23,
327 "sck", GPIO_ACTIVE_HIGH),
328 GPIO_LOOKUP("GPIOC", 22,
329 "mosi", GPIO_ACTIVE_HIGH),
330 GPIO_LOOKUP("GPIOC", 21,
331 "cs", GPIO_ACTIVE_HIGH),
332 { },
333 },
334 };
335
336 static struct spi_board_info qi_lb60_spi_board_info[] = {
337 {
338 .modalias = "ili8960",
339 .chip_select = 0,
340 .bus_num = 1,
341 .max_speed_hz = 30 * 1000,
342 .mode = SPI_3WIRE,
343 },
344 };
345
346 /* Battery */
347 static struct jz_battery_platform_data qi_lb60_battery_pdata = {
348 .gpio_charge = JZ_GPIO_PORTC(27),
349 .gpio_charge_active_low = 1,
350 .info = {
351 .name = "battery",
352 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
353 .voltage_max_design = 4200000,
354 .voltage_min_design = 3600000,
355 },
356 };
357
358 /* GPIO Key: power */
359 static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
360 [0] = {
361 .code = KEY_POWER,
362 .gpio = JZ_GPIO_PORTD(29),
363 .active_low = 1,
364 .desc = "Power",
365 .wakeup = 1,
366 },
367 };
368
369 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
370 .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
371 .buttons = qi_lb60_gpio_keys_buttons,
372 };
373
374 static struct platform_device qi_lb60_gpio_keys = {
375 .name = "gpio-keys",
376 .id = -1,
377 .dev = {
378 .platform_data = &qi_lb60_gpio_keys_data,
379 }
380 };
381
382 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
383 /* Intentionally left blank */
384 };
385
386 static struct gpiod_lookup_table qi_lb60_mmc_gpio_table = {
387 .dev_id = "jz4740-mmc.0",
388 .table = {
389 GPIO_LOOKUP("GPIOD", 0, "cd", GPIO_ACTIVE_HIGH),
390 GPIO_LOOKUP("GPIOD", 2, "power", GPIO_ACTIVE_LOW),
391 { },
392 },
393 };
394
395 /* beeper */
396 static struct pwm_lookup qi_lb60_pwm_lookup[] = {
397 PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
398 PWM_POLARITY_NORMAL),
399 };
400
401 static struct platform_device qi_lb60_pwm_beeper = {
402 .name = "pwm-beeper",
403 .id = -1,
404 };
405
406 /* charger */
407 static char *qi_lb60_batteries[] = {
408 "battery",
409 };
410
411 static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
412 .name = "usb",
413 .type = POWER_SUPPLY_TYPE_USB,
414 .gpio = JZ_GPIO_PORTD(28),
415 .gpio_active_low = 1,
416 .supplied_to = qi_lb60_batteries,
417 .num_supplicants = ARRAY_SIZE(qi_lb60_batteries),
418 };
419
420 static struct platform_device qi_lb60_charger_device = {
421 .name = "gpio-charger",
422 .dev = {
423 .platform_data = &qi_lb60_charger_pdata,
424 },
425 };
426
427 /* audio */
428 static struct platform_device qi_lb60_audio_device = {
429 .name = "qi-lb60-audio",
430 .id = -1,
431 };
432
433 static struct gpiod_lookup_table qi_lb60_audio_gpio_table = {
434 .dev_id = "qi-lb60-audio",
435 .table = {
436 GPIO_LOOKUP("GPIOB", 29, "snd", 0),
437 GPIO_LOOKUP("GPIOD", 4, "amp", 0),
438 { },
439 },
440 };
441
442 static struct platform_device *jz_platform_devices[] __initdata = {
443 &jz4740_udc_device,
444 &jz4740_udc_xceiv_device,
445 &jz4740_mmc_device,
446 &jz4740_nand_device,
447 &qi_lb60_keypad,
448 &qi_lb60_spigpio_device,
449 &jz4740_framebuffer_device,
450 &jz4740_pcm_device,
451 &jz4740_i2s_device,
452 &jz4740_codec_device,
453 &jz4740_adc_device,
454 &jz4740_pwm_device,
455 &jz4740_dma_device,
456 &qi_lb60_gpio_keys,
457 &qi_lb60_pwm_beeper,
458 &qi_lb60_charger_device,
459 &qi_lb60_audio_device,
460 };
461
462 static unsigned long pin_cfg_bias_disable[] = {
463 PIN_CONFIG_BIAS_DISABLE,
464 };
465
466 static struct pinctrl_map pin_map[] __initdata = {
467 /* NAND pin configuration */
468 PIN_MAP_MUX_GROUP_DEFAULT("jz4740-nand",
469 "10010000.pin-controller", "nand-cs1", "nand"),
470
471 /* fbdev pin configuration */
472 PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_DEFAULT,
473 "10010000.pin-controller", "lcd-8bit", "lcd"),
474 PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_SLEEP,
475 "10010000.pin-controller", "lcd-no-pins", "lcd"),
476
477 /* MMC pin configuration */
478 PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
479 "10010000.pin-controller", "mmc-1bit", "mmc"),
480 PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
481 "10010000.pin-controller", "mmc-4bit", "mmc"),
482 PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
483 "10010000.pin-controller", "PD0", pin_cfg_bias_disable),
484 PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
485 "10010000.pin-controller", "PD2", pin_cfg_bias_disable),
486
487 /* PWM pin configuration */
488 PIN_MAP_MUX_GROUP_DEFAULT("jz4740-pwm",
489 "10010000.pin-controller", "pwm4", "pwm4"),
490 };
491
492
493 static int __init qi_lb60_init_platform_devices(void)
494 {
495 jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
496 jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
497 jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata;
498 jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
499
500 gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
501 gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
502 gpiod_add_lookup_table(&qi_lb60_spigpio_gpio_table);
503 gpiod_add_lookup_table(&qi_lb60_mmc_gpio_table);
504
505 spi_register_board_info(qi_lb60_spi_board_info,
506 ARRAY_SIZE(qi_lb60_spi_board_info));
507
508 pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
509 pinctrl_register_mappings(pin_map, ARRAY_SIZE(pin_map));
510
511 return platform_add_devices(jz_platform_devices,
512 ARRAY_SIZE(jz_platform_devices));
513
514 }
515
516 static int __init qi_lb60_board_setup(void)
517 {
518 printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n");
519
520 if (qi_lb60_init_platform_devices())
521 panic("Failed to initialize platform devices");
522
523 return 0;
524 }
525 arch_initcall(qi_lb60_board_setup);
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git