2 * linux/arch/mips/jz4740/board-qi_lb60.c
4 * QI_LB60 board support
6 * Copyright (c) 2009 Qi Hardware inc.,
7 * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
8 * Copyright 2010, Lars-Peter Clausen <lars@metafoo.de>
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.
15 #include <linux/kernel.h>
16 #include <linux/init.h>
17 #include <linux/gpio.h>
18 #include <linux/gpio/machine.h>
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>
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>
35 #include <linux/regulator/fixed.h>
36 #include <linux/regulator/machine.h>
38 #include <linux/leds_pwm.h>
40 #include <asm/mach-jz4740/platform.h>
47 #define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
48 #define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
50 #define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
51 #define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
52 #define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
55 static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
58 6, 7, 8, 9, 10, 11, 12, 13,
59 14, 15, 16, 17, 18, 19, 20, 21,
60 22, 23, 24, 25, 26, 27, 28, 29,
61 30, 31, 32, 33, 34, 35, 36, 37,
65 { .offset = 2, .length = 4 },
66 { .offset = 42, .length = 22 }
70 /* Early prototypes of the QI LB60 had only 1GB of NAND.
71 * In order to support these devices as well the partition and ecc layout is
72 * initialized depending on the NAND size */
73 static struct mtd_partition qi_lb60_partitions_1gb[] = {
75 .name = "NAND BOOT partition",
76 .offset = 0 * 0x100000,
80 .name = "NAND KERNEL partition",
81 .offset = 4 * 0x100000,
85 .name = "NAND ROOTFS partition",
86 .offset = 8 * 0x100000,
87 .size = (504 + 512) * 0x100000,
91 static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
94 12, 13, 14, 15, 16, 17, 18, 19,
95 20, 21, 22, 23, 24, 25, 26, 27,
96 28, 29, 30, 31, 32, 33, 34, 35,
97 36, 37, 38, 39, 40, 41, 42, 43,
98 44, 45, 46, 47, 48, 49, 50, 51,
99 52, 53, 54, 55, 56, 57, 58, 59,
100 60, 61, 62, 63, 64, 65, 66, 67,
101 68, 69, 70, 71, 72, 73, 74, 75,
102 76, 77, 78, 79, 80, 81, 82, 83
105 { .offset = 2, .length = 10 },
106 { .offset = 84, .length = 44 },
110 static struct mtd_partition qi_lb60_partitions_2gb[] = {
112 .name = "NAND BOOT partition",
113 .offset = 0 * 0x100000,
114 .size = 4 * 0x100000,
117 .name = "NAND KERNEL partition",
118 .offset = 4 * 0x100000,
119 .size = 4 * 0x100000,
122 .name = "NAND ROOTFS partition",
123 .offset = 8 * 0x100000,
124 .size = (504 + 512 + 1024) * 0x100000,
128 static void qi_lb60_nand_ident(struct platform_device *pdev,
129 struct nand_chip *chip, struct mtd_partition **partitions,
132 if (chip->page_shift == 12) {
133 chip->ecc.layout = &qi_lb60_ecclayout_2gb;
134 *partitions = qi_lb60_partitions_2gb;
135 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
137 chip->ecc.layout = &qi_lb60_ecclayout_1gb;
138 *partitions = qi_lb60_partitions_1gb;
139 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
143 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
144 .ident_callback = qi_lb60_nand_ident,
148 static struct gpiod_lookup_table qi_lb60_nand_gpio_table = {
149 .dev_id = "jz4740-nand.0",
151 GPIO_LOOKUP("Bank C", 30, "busy", 0),
159 #define KEY_QI_QI KEY_F13
160 #define KEY_QI_UPRED KEY_RIGHTALT
161 #define KEY_QI_VOLUP KEY_VOLUMEUP
162 #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
163 #define KEY_QI_FN KEY_LEFTCTRL
165 static const uint32_t qi_lb60_keymap[] = {
166 KEY(0, 0, KEY_F1), /* S2 */
167 KEY(0, 1, KEY_F2), /* S3 */
168 KEY(0, 2, KEY_F3), /* S4 */
169 KEY(0, 3, KEY_F4), /* S5 */
170 KEY(0, 4, KEY_F5), /* S6 */
171 KEY(0, 5, KEY_F6), /* S7 */
172 KEY(0, 6, KEY_F7), /* S8 */
174 KEY(1, 0, KEY_Q), /* S10 */
175 KEY(1, 1, KEY_W), /* S11 */
176 KEY(1, 2, KEY_E), /* S12 */
177 KEY(1, 3, KEY_R), /* S13 */
178 KEY(1, 4, KEY_T), /* S14 */
179 KEY(1, 5, KEY_Y), /* S15 */
180 KEY(1, 6, KEY_U), /* S16 */
181 KEY(1, 7, KEY_I), /* S17 */
182 KEY(2, 0, KEY_A), /* S18 */
183 KEY(2, 1, KEY_S), /* S19 */
184 KEY(2, 2, KEY_D), /* S20 */
185 KEY(2, 3, KEY_F), /* S21 */
186 KEY(2, 4, KEY_G), /* S22 */
187 KEY(2, 5, KEY_H), /* S23 */
188 KEY(2, 6, KEY_J), /* S24 */
189 KEY(2, 7, KEY_K), /* S25 */
190 KEY(3, 0, KEY_ESC), /* S26 */
191 KEY(3, 1, KEY_Z), /* S27 */
192 KEY(3, 2, KEY_X), /* S28 */
193 KEY(3, 3, KEY_C), /* S29 */
194 KEY(3, 4, KEY_V), /* S30 */
195 KEY(3, 5, KEY_B), /* S31 */
196 KEY(3, 6, KEY_N), /* S32 */
197 KEY(3, 7, KEY_M), /* S33 */
198 KEY(4, 0, KEY_TAB), /* S34 */
199 KEY(4, 1, KEY_CAPSLOCK), /* S35 */
200 KEY(4, 2, KEY_BACKSLASH), /* S36 */
201 KEY(4, 3, KEY_APOSTROPHE), /* S37 */
202 KEY(4, 4, KEY_COMMA), /* S38 */
203 KEY(4, 5, KEY_DOT), /* S39 */
204 KEY(4, 6, KEY_SLASH), /* S40 */
205 KEY(4, 7, KEY_UP), /* S41 */
206 KEY(5, 0, KEY_O), /* S42 */
207 KEY(5, 1, KEY_L), /* S43 */
208 KEY(5, 2, KEY_EQUAL), /* S44 */
209 KEY(5, 3, KEY_QI_UPRED), /* S45 */
210 KEY(5, 4, KEY_SPACE), /* S46 */
211 KEY(5, 5, KEY_QI_QI), /* S47 */
212 KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
213 KEY(5, 7, KEY_LEFT), /* S49 */
214 KEY(6, 0, KEY_F8), /* S50 */
215 KEY(6, 1, KEY_P), /* S51 */
216 KEY(6, 2, KEY_BACKSPACE),/* S52 */
217 KEY(6, 3, KEY_ENTER), /* S53 */
218 KEY(6, 4, KEY_QI_VOLUP), /* S54 */
219 KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
220 KEY(6, 6, KEY_DOWN), /* S56 */
221 KEY(6, 7, KEY_RIGHT), /* S57 */
223 KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
224 KEY(7, 1, KEY_LEFTALT), /* S59 */
225 KEY(7, 2, KEY_QI_FN), /* S60 */
228 static const struct matrix_keymap_data qi_lb60_keymap_data = {
229 .keymap = qi_lb60_keymap,
230 .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
233 static const unsigned int qi_lb60_keypad_cols[] = {
234 QI_LB60_GPIO_KEYOUT(0),
235 QI_LB60_GPIO_KEYOUT(1),
236 QI_LB60_GPIO_KEYOUT(2),
237 QI_LB60_GPIO_KEYOUT(3),
238 QI_LB60_GPIO_KEYOUT(4),
239 QI_LB60_GPIO_KEYOUT(5),
240 QI_LB60_GPIO_KEYOUT(6),
241 QI_LB60_GPIO_KEYOUT(7),
244 static const unsigned int qi_lb60_keypad_rows[] = {
245 QI_LB60_GPIO_KEYIN(0),
246 QI_LB60_GPIO_KEYIN(1),
247 QI_LB60_GPIO_KEYIN(2),
248 QI_LB60_GPIO_KEYIN(3),
249 QI_LB60_GPIO_KEYIN(4),
250 QI_LB60_GPIO_KEYIN(5),
251 QI_LB60_GPIO_KEYIN(6),
255 static struct matrix_keypad_platform_data qi_lb60_pdata = {
256 .keymap_data = &qi_lb60_keymap_data,
257 .col_gpios = qi_lb60_keypad_cols,
258 .row_gpios = qi_lb60_keypad_rows,
259 .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
260 .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
261 .col_scan_delay_us = 10,
267 static struct platform_device qi_lb60_keypad = {
268 .name = "matrix-keypad",
271 .platform_data = &qi_lb60_pdata,
276 static struct fb_videomode qi_lb60_video_modes[] = {
289 .vmode = FB_VMODE_NONINTERLACED,
293 static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
296 .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
297 .modes = qi_lb60_video_modes,
299 .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
300 .pixclk_falling_edge = 1,
303 struct spi_gpio_platform_data spigpio_platform_data = {
304 .sck = JZ_GPIO_PORTC(23),
305 .mosi = JZ_GPIO_PORTC(22),
310 static struct platform_device spigpio_device = {
314 .platform_data = &spigpio_platform_data,
318 static struct spi_board_info qi_lb60_spi_board_info[] = {
320 .modalias = "ili8960",
321 .controller_data = (void *)JZ_GPIO_PORTC(21),
324 .max_speed_hz = 30 * 1000,
330 static struct jz_battery_platform_data qi_lb60_battery_pdata = {
331 .gpio_charge = JZ_GPIO_PORTC(27),
332 .gpio_charge_active_low = 1,
335 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
336 .voltage_max_design = 4200000,
337 .voltage_min_design = 3600000,
341 /* GPIO Key: power */
342 static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
345 .gpio = JZ_GPIO_PORTD(29),
352 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
353 .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
354 .buttons = qi_lb60_gpio_keys_buttons,
357 static struct platform_device qi_lb60_gpio_keys = {
361 .platform_data = &qi_lb60_gpio_keys_data,
365 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
366 .gpio_card_detect = QI_LB60_GPIO_SD_CD,
367 .gpio_read_only = -1,
368 .gpio_power = QI_LB60_GPIO_SD_VCC_EN_N,
369 .power_active_low = 1,
373 static struct regulator_consumer_supply avt2_usb_regulator_consumer =
374 REGULATOR_SUPPLY("vbus", "jz4740-ohci");
376 static struct regulator_init_data avt2_usb_regulator_init_data = {
377 .num_consumer_supplies = 1,
378 .consumer_supplies = &avt2_usb_regulator_consumer,
383 .valid_modes_mask = REGULATOR_MODE_NORMAL,
384 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
388 static struct fixed_voltage_config avt2_usb_regulator_data = {
389 .supply_name = "USB power",
390 .microvolts = 5000000,
391 .gpio = JZ_GPIO_PORTB(17),
392 .init_data = &avt2_usb_regulator_init_data,
395 static struct platform_device avt2_usb_regulator_device = {
396 .name = "reg-fixed-voltage",
399 .platform_data = &avt2_usb_regulator_data,
403 static struct pwm_lookup qi_lb60_pwm_lookup[] = {
404 PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
405 PWM_POLARITY_NORMAL),
409 static struct platform_device qi_lb60_pwm_beeper = {
410 .name = "pwm-beeper",
415 static char *qi_lb60_batteries[] = {
419 static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
421 .type = POWER_SUPPLY_TYPE_USB,
422 .gpio = JZ_GPIO_PORTD(28),
423 .gpio_active_low = 1,
424 .supplied_to = qi_lb60_batteries,
425 .num_supplicants = ARRAY_SIZE(qi_lb60_batteries),
428 static struct platform_device qi_lb60_charger_device = {
429 .name = "gpio-charger",
431 .platform_data = &qi_lb60_charger_pdata,
436 static struct platform_device qi_lb60_audio_device = {
437 .name = "qi-lb60-audio",
441 static struct gpiod_lookup_table qi_lb60_audio_gpio_table = {
442 .dev_id = "qi-lb60-audio",
444 GPIO_LOOKUP("Bank B", 29, "snd", 0),
445 GPIO_LOOKUP("Bank D", 4, "amp", 0),
450 static struct platform_device *jz_platform_devices[] __initdata = {
452 &jz4740_udc_xceiv_device,
457 &jz4740_framebuffer_device,
460 &jz4740_codec_device,
467 &qi_lb60_charger_device,
468 &qi_lb60_audio_device,
471 static void __init board_gpio_setup(void)
473 /* We only need to enable/disable pullup here for pins used in generic
474 * drivers. Everything else is done by the drivers themselves. */
475 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
476 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
479 static int __init qi_lb60_init_platform_devices(void)
481 jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
482 jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
483 jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata;
484 jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
486 gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
487 gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
489 spi_register_board_info(qi_lb60_spi_board_info,
490 ARRAY_SIZE(qi_lb60_spi_board_info));
493 platform_device_register(&avt2_usb_regulator_device);
494 platform_device_register(&jz4740_usb_ohci_device);
497 pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
499 return platform_add_devices(jz_platform_devices,
500 ARRAY_SIZE(jz_platform_devices));
504 static __init int board_avt2(char *str)
506 qi_lb60_mmc_pdata.card_detect_active_low = 1;
511 __setup("avt2", board_avt2);
513 static int __init qi_lb60_board_setup(void)
515 printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n",
516 is_avt2 ? "AVT2" : "LB60");
520 if (qi_lb60_init_platform_devices())
521 panic("Failed to initialize platform devices");
525 arch_initcall(qi_lb60_board_setup);