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 <asm/mach-jz4740/platform.h>
43 #define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
44 #define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
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)
51 static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
54 6, 7, 8, 9, 10, 11, 12, 13,
55 14, 15, 16, 17, 18, 19, 20, 21,
56 22, 23, 24, 25, 26, 27, 28, 29,
57 30, 31, 32, 33, 34, 35, 36, 37,
61 { .offset = 2, .length = 4 },
62 { .offset = 42, .length = 22 }
66 /* Early prototypes of the QI LB60 had only 1GB of NAND.
67 * In order to support these devices as well the partition and ecc layout is
68 * initialized depending on the NAND size */
69 static struct mtd_partition qi_lb60_partitions_1gb[] = {
71 .name = "NAND BOOT partition",
72 .offset = 0 * 0x100000,
76 .name = "NAND KERNEL partition",
77 .offset = 4 * 0x100000,
81 .name = "NAND ROOTFS partition",
82 .offset = 8 * 0x100000,
83 .size = (504 + 512) * 0x100000,
87 static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
90 12, 13, 14, 15, 16, 17, 18, 19,
91 20, 21, 22, 23, 24, 25, 26, 27,
92 28, 29, 30, 31, 32, 33, 34, 35,
93 36, 37, 38, 39, 40, 41, 42, 43,
94 44, 45, 46, 47, 48, 49, 50, 51,
95 52, 53, 54, 55, 56, 57, 58, 59,
96 60, 61, 62, 63, 64, 65, 66, 67,
97 68, 69, 70, 71, 72, 73, 74, 75,
98 76, 77, 78, 79, 80, 81, 82, 83
101 { .offset = 2, .length = 10 },
102 { .offset = 84, .length = 44 },
106 static struct mtd_partition qi_lb60_partitions_2gb[] = {
108 .name = "NAND BOOT partition",
109 .offset = 0 * 0x100000,
110 .size = 4 * 0x100000,
113 .name = "NAND KERNEL partition",
114 .offset = 4 * 0x100000,
115 .size = 4 * 0x100000,
118 .name = "NAND ROOTFS partition",
119 .offset = 8 * 0x100000,
120 .size = (504 + 512 + 1024) * 0x100000,
124 static void qi_lb60_nand_ident(struct platform_device *pdev,
125 struct nand_chip *chip, struct mtd_partition **partitions,
128 if (chip->page_shift == 12) {
129 chip->ecc.layout = &qi_lb60_ecclayout_2gb;
130 *partitions = qi_lb60_partitions_2gb;
131 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
133 chip->ecc.layout = &qi_lb60_ecclayout_1gb;
134 *partitions = qi_lb60_partitions_1gb;
135 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
139 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
140 .ident_callback = qi_lb60_nand_ident,
144 static struct gpiod_lookup_table qi_lb60_nand_gpio_table = {
145 .dev_id = "jz4740-nand.0",
147 GPIO_LOOKUP("Bank C", 30, "busy", 0),
155 #define KEY_QI_QI KEY_F13
156 #define KEY_QI_UPRED KEY_RIGHTALT
157 #define KEY_QI_VOLUP KEY_VOLUMEUP
158 #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
159 #define KEY_QI_FN KEY_LEFTCTRL
161 static const uint32_t qi_lb60_keymap[] = {
162 KEY(0, 0, KEY_F1), /* S2 */
163 KEY(0, 1, KEY_F2), /* S3 */
164 KEY(0, 2, KEY_F3), /* S4 */
165 KEY(0, 3, KEY_F4), /* S5 */
166 KEY(0, 4, KEY_F5), /* S6 */
167 KEY(0, 5, KEY_F6), /* S7 */
168 KEY(0, 6, KEY_F7), /* S8 */
170 KEY(1, 0, KEY_Q), /* S10 */
171 KEY(1, 1, KEY_W), /* S11 */
172 KEY(1, 2, KEY_E), /* S12 */
173 KEY(1, 3, KEY_R), /* S13 */
174 KEY(1, 4, KEY_T), /* S14 */
175 KEY(1, 5, KEY_Y), /* S15 */
176 KEY(1, 6, KEY_U), /* S16 */
177 KEY(1, 7, KEY_I), /* S17 */
178 KEY(2, 0, KEY_A), /* S18 */
179 KEY(2, 1, KEY_S), /* S19 */
180 KEY(2, 2, KEY_D), /* S20 */
181 KEY(2, 3, KEY_F), /* S21 */
182 KEY(2, 4, KEY_G), /* S22 */
183 KEY(2, 5, KEY_H), /* S23 */
184 KEY(2, 6, KEY_J), /* S24 */
185 KEY(2, 7, KEY_K), /* S25 */
186 KEY(3, 0, KEY_ESC), /* S26 */
187 KEY(3, 1, KEY_Z), /* S27 */
188 KEY(3, 2, KEY_X), /* S28 */
189 KEY(3, 3, KEY_C), /* S29 */
190 KEY(3, 4, KEY_V), /* S30 */
191 KEY(3, 5, KEY_B), /* S31 */
192 KEY(3, 6, KEY_N), /* S32 */
193 KEY(3, 7, KEY_M), /* S33 */
194 KEY(4, 0, KEY_TAB), /* S34 */
195 KEY(4, 1, KEY_CAPSLOCK), /* S35 */
196 KEY(4, 2, KEY_BACKSLASH), /* S36 */
197 KEY(4, 3, KEY_APOSTROPHE), /* S37 */
198 KEY(4, 4, KEY_COMMA), /* S38 */
199 KEY(4, 5, KEY_DOT), /* S39 */
200 KEY(4, 6, KEY_SLASH), /* S40 */
201 KEY(4, 7, KEY_UP), /* S41 */
202 KEY(5, 0, KEY_O), /* S42 */
203 KEY(5, 1, KEY_L), /* S43 */
204 KEY(5, 2, KEY_EQUAL), /* S44 */
205 KEY(5, 3, KEY_QI_UPRED), /* S45 */
206 KEY(5, 4, KEY_SPACE), /* S46 */
207 KEY(5, 5, KEY_QI_QI), /* S47 */
208 KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
209 KEY(5, 7, KEY_LEFT), /* S49 */
210 KEY(6, 0, KEY_F8), /* S50 */
211 KEY(6, 1, KEY_P), /* S51 */
212 KEY(6, 2, KEY_BACKSPACE),/* S52 */
213 KEY(6, 3, KEY_ENTER), /* S53 */
214 KEY(6, 4, KEY_QI_VOLUP), /* S54 */
215 KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
216 KEY(6, 6, KEY_DOWN), /* S56 */
217 KEY(6, 7, KEY_RIGHT), /* S57 */
219 KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
220 KEY(7, 1, KEY_LEFTALT), /* S59 */
221 KEY(7, 2, KEY_QI_FN), /* S60 */
224 static const struct matrix_keymap_data qi_lb60_keymap_data = {
225 .keymap = qi_lb60_keymap,
226 .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
229 static const unsigned int qi_lb60_keypad_cols[] = {
230 QI_LB60_GPIO_KEYOUT(0),
231 QI_LB60_GPIO_KEYOUT(1),
232 QI_LB60_GPIO_KEYOUT(2),
233 QI_LB60_GPIO_KEYOUT(3),
234 QI_LB60_GPIO_KEYOUT(4),
235 QI_LB60_GPIO_KEYOUT(5),
236 QI_LB60_GPIO_KEYOUT(6),
237 QI_LB60_GPIO_KEYOUT(7),
240 static const unsigned int qi_lb60_keypad_rows[] = {
241 QI_LB60_GPIO_KEYIN(0),
242 QI_LB60_GPIO_KEYIN(1),
243 QI_LB60_GPIO_KEYIN(2),
244 QI_LB60_GPIO_KEYIN(3),
245 QI_LB60_GPIO_KEYIN(4),
246 QI_LB60_GPIO_KEYIN(5),
247 QI_LB60_GPIO_KEYIN(6),
251 static struct matrix_keypad_platform_data qi_lb60_pdata = {
252 .keymap_data = &qi_lb60_keymap_data,
253 .col_gpios = qi_lb60_keypad_cols,
254 .row_gpios = qi_lb60_keypad_rows,
255 .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
256 .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
257 .col_scan_delay_us = 10,
263 static struct platform_device qi_lb60_keypad = {
264 .name = "matrix-keypad",
267 .platform_data = &qi_lb60_pdata,
272 static struct fb_videomode qi_lb60_video_modes[] = {
285 .vmode = FB_VMODE_NONINTERLACED,
289 static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
292 .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
293 .modes = qi_lb60_video_modes,
295 .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
296 .pixclk_falling_edge = 1,
299 struct spi_gpio_platform_data spigpio_platform_data = {
300 .sck = JZ_GPIO_PORTC(23),
301 .mosi = JZ_GPIO_PORTC(22),
306 static struct platform_device spigpio_device = {
310 .platform_data = &spigpio_platform_data,
314 static struct spi_board_info qi_lb60_spi_board_info[] = {
316 .modalias = "ili8960",
317 .controller_data = (void *)JZ_GPIO_PORTC(21),
320 .max_speed_hz = 30 * 1000,
326 static struct jz_battery_platform_data qi_lb60_battery_pdata = {
327 .gpio_charge = JZ_GPIO_PORTC(27),
328 .gpio_charge_active_low = 1,
331 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
332 .voltage_max_design = 4200000,
333 .voltage_min_design = 3600000,
337 /* GPIO Key: power */
338 static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
341 .gpio = JZ_GPIO_PORTD(29),
348 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
349 .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
350 .buttons = qi_lb60_gpio_keys_buttons,
353 static struct platform_device qi_lb60_gpio_keys = {
357 .platform_data = &qi_lb60_gpio_keys_data,
361 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
362 .gpio_card_detect = QI_LB60_GPIO_SD_CD,
363 .gpio_read_only = -1,
364 .gpio_power = QI_LB60_GPIO_SD_VCC_EN_N,
365 .power_active_low = 1,
369 static struct pwm_lookup qi_lb60_pwm_lookup[] = {
370 PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
371 PWM_POLARITY_NORMAL),
374 static struct platform_device qi_lb60_pwm_beeper = {
375 .name = "pwm-beeper",
380 static char *qi_lb60_batteries[] = {
384 static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
386 .type = POWER_SUPPLY_TYPE_USB,
387 .gpio = JZ_GPIO_PORTD(28),
388 .gpio_active_low = 1,
389 .supplied_to = qi_lb60_batteries,
390 .num_supplicants = ARRAY_SIZE(qi_lb60_batteries),
393 static struct platform_device qi_lb60_charger_device = {
394 .name = "gpio-charger",
396 .platform_data = &qi_lb60_charger_pdata,
401 static struct platform_device qi_lb60_audio_device = {
402 .name = "qi-lb60-audio",
406 static struct gpiod_lookup_table qi_lb60_audio_gpio_table = {
407 .dev_id = "qi-lb60-audio",
409 GPIO_LOOKUP("Bank B", 29, "snd", 0),
410 GPIO_LOOKUP("Bank D", 4, "amp", 0),
415 static struct platform_device *jz_platform_devices[] __initdata = {
417 &jz4740_udc_xceiv_device,
422 &jz4740_framebuffer_device,
425 &jz4740_codec_device,
432 &qi_lb60_charger_device,
433 &qi_lb60_audio_device,
436 static void __init board_gpio_setup(void)
438 /* We only need to enable/disable pullup here for pins used in generic
439 * drivers. Everything else is done by the drivers themselves. */
440 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
441 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
444 static int __init qi_lb60_init_platform_devices(void)
446 jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
447 jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
448 jz4740_adc_device.dev.platform_data = &qi_lb60_battery_pdata;
449 jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
451 gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
452 gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
454 spi_register_board_info(qi_lb60_spi_board_info,
455 ARRAY_SIZE(qi_lb60_spi_board_info));
457 pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
459 return platform_add_devices(jz_platform_devices,
460 ARRAY_SIZE(jz_platform_devices));
464 static int __init qi_lb60_board_setup(void)
466 printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n");
470 if (qi_lb60_init_platform_devices())
471 panic("Failed to initialize platform devices");
475 arch_initcall(qi_lb60_board_setup);