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>
29 #include <asm/mach-jz4740/gpio.h>
30 #include <asm/mach-jz4740/jz4740_fb.h>
31 #include <asm/mach-jz4740/jz4740_mmc.h>
32 #include <asm/mach-jz4740/jz4740_nand.h>
34 #include <linux/regulator/fixed.h>
35 #include <linux/regulator/machine.h>
37 #include <linux/leds_pwm.h>
39 #include <asm/mach-jz4740/platform.h>
46 #define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
47 #define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
49 #define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
50 #define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
51 #define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
54 static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
57 6, 7, 8, 9, 10, 11, 12, 13,
58 14, 15, 16, 17, 18, 19, 20, 21,
59 22, 23, 24, 25, 26, 27, 28, 29,
60 30, 31, 32, 33, 34, 35, 36, 37,
64 { .offset = 2, .length = 4 },
65 { .offset = 42, .length = 22 }
69 /* Early prototypes of the QI LB60 had only 1GB of NAND.
70 * In order to support these devices as well the partition and ecc layout is
71 * initialized depending on the NAND size */
72 static struct mtd_partition qi_lb60_partitions_1gb[] = {
74 .name = "NAND BOOT partition",
75 .offset = 0 * 0x100000,
79 .name = "NAND KERNEL partition",
80 .offset = 4 * 0x100000,
84 .name = "NAND ROOTFS partition",
85 .offset = 8 * 0x100000,
86 .size = (504 + 512) * 0x100000,
90 static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
93 12, 13, 14, 15, 16, 17, 18, 19,
94 20, 21, 22, 23, 24, 25, 26, 27,
95 28, 29, 30, 31, 32, 33, 34, 35,
96 36, 37, 38, 39, 40, 41, 42, 43,
97 44, 45, 46, 47, 48, 49, 50, 51,
98 52, 53, 54, 55, 56, 57, 58, 59,
99 60, 61, 62, 63, 64, 65, 66, 67,
100 68, 69, 70, 71, 72, 73, 74, 75,
101 76, 77, 78, 79, 80, 81, 82, 83
104 { .offset = 2, .length = 10 },
105 { .offset = 84, .length = 44 },
109 static struct mtd_partition qi_lb60_partitions_2gb[] = {
111 .name = "NAND BOOT partition",
112 .offset = 0 * 0x100000,
113 .size = 4 * 0x100000,
116 .name = "NAND KERNEL partition",
117 .offset = 4 * 0x100000,
118 .size = 4 * 0x100000,
121 .name = "NAND ROOTFS partition",
122 .offset = 8 * 0x100000,
123 .size = (504 + 512 + 1024) * 0x100000,
127 static void qi_lb60_nand_ident(struct platform_device *pdev,
128 struct nand_chip *chip, struct mtd_partition **partitions,
131 if (chip->page_shift == 12) {
132 chip->ecc.layout = &qi_lb60_ecclayout_2gb;
133 *partitions = qi_lb60_partitions_2gb;
134 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
136 chip->ecc.layout = &qi_lb60_ecclayout_1gb;
137 *partitions = qi_lb60_partitions_1gb;
138 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
142 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
143 .ident_callback = qi_lb60_nand_ident,
147 static struct gpiod_lookup_table qi_lb60_nand_gpio_table = {
148 .dev_id = "jz4740-nand.0",
150 GPIO_LOOKUP("Bank C", 30, "busy", 0),
158 #define KEY_QI_QI KEY_F13
159 #define KEY_QI_UPRED KEY_RIGHTALT
160 #define KEY_QI_VOLUP KEY_VOLUMEUP
161 #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
162 #define KEY_QI_FN KEY_LEFTCTRL
164 static const uint32_t qi_lb60_keymap[] = {
165 KEY(0, 0, KEY_F1), /* S2 */
166 KEY(0, 1, KEY_F2), /* S3 */
167 KEY(0, 2, KEY_F3), /* S4 */
168 KEY(0, 3, KEY_F4), /* S5 */
169 KEY(0, 4, KEY_F5), /* S6 */
170 KEY(0, 5, KEY_F6), /* S7 */
171 KEY(0, 6, KEY_F7), /* S8 */
173 KEY(1, 0, KEY_Q), /* S10 */
174 KEY(1, 1, KEY_W), /* S11 */
175 KEY(1, 2, KEY_E), /* S12 */
176 KEY(1, 3, KEY_R), /* S13 */
177 KEY(1, 4, KEY_T), /* S14 */
178 KEY(1, 5, KEY_Y), /* S15 */
179 KEY(1, 6, KEY_U), /* S16 */
180 KEY(1, 7, KEY_I), /* S17 */
181 KEY(2, 0, KEY_A), /* S18 */
182 KEY(2, 1, KEY_S), /* S19 */
183 KEY(2, 2, KEY_D), /* S20 */
184 KEY(2, 3, KEY_F), /* S21 */
185 KEY(2, 4, KEY_G), /* S22 */
186 KEY(2, 5, KEY_H), /* S23 */
187 KEY(2, 6, KEY_J), /* S24 */
188 KEY(2, 7, KEY_K), /* S25 */
189 KEY(3, 0, KEY_ESC), /* S26 */
190 KEY(3, 1, KEY_Z), /* S27 */
191 KEY(3, 2, KEY_X), /* S28 */
192 KEY(3, 3, KEY_C), /* S29 */
193 KEY(3, 4, KEY_V), /* S30 */
194 KEY(3, 5, KEY_B), /* S31 */
195 KEY(3, 6, KEY_N), /* S32 */
196 KEY(3, 7, KEY_M), /* S33 */
197 KEY(4, 0, KEY_TAB), /* S34 */
198 KEY(4, 1, KEY_CAPSLOCK), /* S35 */
199 KEY(4, 2, KEY_BACKSLASH), /* S36 */
200 KEY(4, 3, KEY_APOSTROPHE), /* S37 */
201 KEY(4, 4, KEY_COMMA), /* S38 */
202 KEY(4, 5, KEY_DOT), /* S39 */
203 KEY(4, 6, KEY_SLASH), /* S40 */
204 KEY(4, 7, KEY_UP), /* S41 */
205 KEY(5, 0, KEY_O), /* S42 */
206 KEY(5, 1, KEY_L), /* S43 */
207 KEY(5, 2, KEY_EQUAL), /* S44 */
208 KEY(5, 3, KEY_QI_UPRED), /* S45 */
209 KEY(5, 4, KEY_SPACE), /* S46 */
210 KEY(5, 5, KEY_QI_QI), /* S47 */
211 KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
212 KEY(5, 7, KEY_LEFT), /* S49 */
213 KEY(6, 0, KEY_F8), /* S50 */
214 KEY(6, 1, KEY_P), /* S51 */
215 KEY(6, 2, KEY_BACKSPACE),/* S52 */
216 KEY(6, 3, KEY_ENTER), /* S53 */
217 KEY(6, 4, KEY_QI_VOLUP), /* S54 */
218 KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
219 KEY(6, 6, KEY_DOWN), /* S56 */
220 KEY(6, 7, KEY_RIGHT), /* S57 */
222 KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
223 KEY(7, 1, KEY_LEFTALT), /* S59 */
224 KEY(7, 2, KEY_QI_FN), /* S60 */
227 static const struct matrix_keymap_data qi_lb60_keymap_data = {
228 .keymap = qi_lb60_keymap,
229 .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
232 static const unsigned int qi_lb60_keypad_cols[] = {
233 QI_LB60_GPIO_KEYOUT(0),
234 QI_LB60_GPIO_KEYOUT(1),
235 QI_LB60_GPIO_KEYOUT(2),
236 QI_LB60_GPIO_KEYOUT(3),
237 QI_LB60_GPIO_KEYOUT(4),
238 QI_LB60_GPIO_KEYOUT(5),
239 QI_LB60_GPIO_KEYOUT(6),
240 QI_LB60_GPIO_KEYOUT(7),
243 static const unsigned int qi_lb60_keypad_rows[] = {
244 QI_LB60_GPIO_KEYIN(0),
245 QI_LB60_GPIO_KEYIN(1),
246 QI_LB60_GPIO_KEYIN(2),
247 QI_LB60_GPIO_KEYIN(3),
248 QI_LB60_GPIO_KEYIN(4),
249 QI_LB60_GPIO_KEYIN(5),
250 QI_LB60_GPIO_KEYIN(6),
254 static struct matrix_keypad_platform_data qi_lb60_pdata = {
255 .keymap_data = &qi_lb60_keymap_data,
256 .col_gpios = qi_lb60_keypad_cols,
257 .row_gpios = qi_lb60_keypad_rows,
258 .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
259 .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
260 .col_scan_delay_us = 10,
266 static struct platform_device qi_lb60_keypad = {
267 .name = "matrix-keypad",
270 .platform_data = &qi_lb60_pdata,
275 static struct fb_videomode qi_lb60_video_modes[] = {
288 .vmode = FB_VMODE_NONINTERLACED,
292 static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
295 .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
296 .modes = qi_lb60_video_modes,
298 .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
299 .pixclk_falling_edge = 1,
302 struct spi_gpio_platform_data spigpio_platform_data = {
303 .sck = JZ_GPIO_PORTC(23),
304 .mosi = JZ_GPIO_PORTC(22),
309 static struct platform_device spigpio_device = {
313 .platform_data = &spigpio_platform_data,
317 static struct spi_board_info qi_lb60_spi_board_info[] = {
319 .modalias = "ili8960",
320 .controller_data = (void *)JZ_GPIO_PORTC(21),
323 .max_speed_hz = 30 * 1000,
329 static struct jz_battery_platform_data qi_lb60_battery_pdata = {
330 .gpio_charge = JZ_GPIO_PORTC(27),
331 .gpio_charge_active_low = 1,
334 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
335 .voltage_max_design = 4200000,
336 .voltage_min_design = 3600000,
340 /* GPIO Key: power */
341 static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
344 .gpio = JZ_GPIO_PORTD(29),
351 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
352 .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
353 .buttons = qi_lb60_gpio_keys_buttons,
356 static struct platform_device qi_lb60_gpio_keys = {
360 .platform_data = &qi_lb60_gpio_keys_data,
364 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
365 .gpio_card_detect = QI_LB60_GPIO_SD_CD,
366 .gpio_read_only = -1,
367 .gpio_power = QI_LB60_GPIO_SD_VCC_EN_N,
368 .power_active_low = 1,
372 static struct regulator_consumer_supply avt2_usb_regulator_consumer =
373 REGULATOR_SUPPLY("vbus", "jz4740-ohci");
375 static struct regulator_init_data avt2_usb_regulator_init_data = {
376 .num_consumer_supplies = 1,
377 .consumer_supplies = &avt2_usb_regulator_consumer,
382 .valid_modes_mask = REGULATOR_MODE_NORMAL,
383 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
387 static struct fixed_voltage_config avt2_usb_regulator_data = {
388 .supply_name = "USB power",
389 .microvolts = 5000000,
390 .gpio = JZ_GPIO_PORTB(17),
391 .init_data = &avt2_usb_regulator_init_data,
394 static struct platform_device avt2_usb_regulator_device = {
395 .name = "reg-fixed-voltage",
398 .platform_data = &avt2_usb_regulator_data,
403 static struct platform_device qi_lb60_pwm_beeper = {
404 .name = "pwm-beeper",
407 .platform_data = (void *)4,
412 static char *qi_lb60_batteries[] = {
416 static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
418 .type = POWER_SUPPLY_TYPE_USB,
419 .gpio = JZ_GPIO_PORTD(28),
420 .gpio_active_low = 1,
421 .supplied_to = qi_lb60_batteries,
422 .num_supplicants = ARRAY_SIZE(qi_lb60_batteries),
425 static struct platform_device qi_lb60_charger_device = {
426 .name = "gpio-charger",
428 .platform_data = &qi_lb60_charger_pdata,
433 static struct platform_device qi_lb60_audio_device = {
434 .name = "qi-lb60-audio",
438 static struct gpiod_lookup_table qi_lb60_audio_gpio_table = {
439 .dev_id = "qi-lb60-audio",
441 GPIO_LOOKUP("Bank B", 29, "snd", 0),
442 GPIO_LOOKUP("Bank D", 4, "amp", 0),
447 static struct platform_device *jz_platform_devices[] __initdata = {
449 &jz4740_udc_xceiv_device,
454 &jz4740_framebuffer_device,
457 &jz4740_codec_device,
464 &qi_lb60_charger_device,
465 &qi_lb60_audio_device,
468 static void __init board_gpio_setup(void)
470 /* We only need to enable/disable pullup here for pins used in generic
471 * drivers. Everything else is done by the drivers themselves. */
472 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
473 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
476 static int __init qi_lb60_init_platform_devices(void)
478 jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
479 jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
480 jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata;
481 jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
483 gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
484 gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
486 spi_register_board_info(qi_lb60_spi_board_info,
487 ARRAY_SIZE(qi_lb60_spi_board_info));
490 platform_device_register(&avt2_usb_regulator_device);
491 platform_device_register(&jz4740_usb_ohci_device);
494 return platform_add_devices(jz_platform_devices,
495 ARRAY_SIZE(jz_platform_devices));
499 static __init int board_avt2(char *str)
501 qi_lb60_mmc_pdata.card_detect_active_low = 1;
506 __setup("avt2", board_avt2);
508 static int __init qi_lb60_board_setup(void)
510 printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n",
511 is_avt2 ? "AVT2" : "LB60");
515 if (qi_lb60_init_platform_devices())
516 panic("Failed to initialize platform devices");
520 arch_initcall(qi_lb60_board_setup);