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>
45 #define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
46 #define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
48 #define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
49 #define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
50 #define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
53 static struct nand_ecclayout qi_lb60_ecclayout_1gb
= {
56 6, 7, 8, 9, 10, 11, 12, 13,
57 14, 15, 16, 17, 18, 19, 20, 21,
58 22, 23, 24, 25, 26, 27, 28, 29,
59 30, 31, 32, 33, 34, 35, 36, 37,
63 { .offset
= 2, .length
= 4 },
64 { .offset
= 42, .length
= 22 }
68 /* Early prototypes of the QI LB60 had only 1GB of NAND.
69 * In order to support these devices as well the partition and ecc layout is
70 * initialized depending on the NAND size */
71 static struct mtd_partition qi_lb60_partitions_1gb
[] = {
73 .name
= "NAND BOOT partition",
74 .offset
= 0 * 0x100000,
78 .name
= "NAND KERNEL partition",
79 .offset
= 4 * 0x100000,
83 .name
= "NAND ROOTFS partition",
84 .offset
= 8 * 0x100000,
85 .size
= (504 + 512) * 0x100000,
89 static struct nand_ecclayout qi_lb60_ecclayout_2gb
= {
92 12, 13, 14, 15, 16, 17, 18, 19,
93 20, 21, 22, 23, 24, 25, 26, 27,
94 28, 29, 30, 31, 32, 33, 34, 35,
95 36, 37, 38, 39, 40, 41, 42, 43,
96 44, 45, 46, 47, 48, 49, 50, 51,
97 52, 53, 54, 55, 56, 57, 58, 59,
98 60, 61, 62, 63, 64, 65, 66, 67,
99 68, 69, 70, 71, 72, 73, 74, 75,
100 76, 77, 78, 79, 80, 81, 82, 83
103 { .offset
= 2, .length
= 10 },
104 { .offset
= 84, .length
= 44 },
108 static struct mtd_partition qi_lb60_partitions_2gb
[] = {
110 .name
= "NAND BOOT partition",
111 .offset
= 0 * 0x100000,
112 .size
= 4 * 0x100000,
115 .name
= "NAND KERNEL partition",
116 .offset
= 4 * 0x100000,
117 .size
= 4 * 0x100000,
120 .name
= "NAND ROOTFS partition",
121 .offset
= 8 * 0x100000,
122 .size
= (504 + 512 + 1024) * 0x100000,
126 static void qi_lb60_nand_ident(struct platform_device
*pdev
,
127 struct nand_chip
*chip
, struct mtd_partition
**partitions
,
130 if (chip
->page_shift
== 12) {
131 chip
->ecc
.layout
= &qi_lb60_ecclayout_2gb
;
132 *partitions
= qi_lb60_partitions_2gb
;
133 *num_partitions
= ARRAY_SIZE(qi_lb60_partitions_2gb
);
135 chip
->ecc
.layout
= &qi_lb60_ecclayout_1gb
;
136 *partitions
= qi_lb60_partitions_1gb
;
137 *num_partitions
= ARRAY_SIZE(qi_lb60_partitions_1gb
);
141 static struct jz_nand_platform_data qi_lb60_nand_pdata
= {
142 .ident_callback
= qi_lb60_nand_ident
,
146 static struct gpiod_lookup_table qi_lb60_nand_gpio_table
= {
147 .dev_id
= "jz4740-nand.0",
149 GPIO_LOOKUP("Bank C", 30, "busy", 0),
157 #define KEY_QI_QI KEY_F13
158 #define KEY_QI_UPRED KEY_RIGHTALT
159 #define KEY_QI_VOLUP KEY_VOLUMEUP
160 #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
161 #define KEY_QI_FN KEY_LEFTCTRL
163 static const uint32_t qi_lb60_keymap
[] = {
164 KEY(0, 0, KEY_F1
), /* S2 */
165 KEY(0, 1, KEY_F2
), /* S3 */
166 KEY(0, 2, KEY_F3
), /* S4 */
167 KEY(0, 3, KEY_F4
), /* S5 */
168 KEY(0, 4, KEY_F5
), /* S6 */
169 KEY(0, 5, KEY_F6
), /* S7 */
170 KEY(0, 6, KEY_F7
), /* S8 */
172 KEY(1, 0, KEY_Q
), /* S10 */
173 KEY(1, 1, KEY_W
), /* S11 */
174 KEY(1, 2, KEY_E
), /* S12 */
175 KEY(1, 3, KEY_R
), /* S13 */
176 KEY(1, 4, KEY_T
), /* S14 */
177 KEY(1, 5, KEY_Y
), /* S15 */
178 KEY(1, 6, KEY_U
), /* S16 */
179 KEY(1, 7, KEY_I
), /* S17 */
180 KEY(2, 0, KEY_A
), /* S18 */
181 KEY(2, 1, KEY_S
), /* S19 */
182 KEY(2, 2, KEY_D
), /* S20 */
183 KEY(2, 3, KEY_F
), /* S21 */
184 KEY(2, 4, KEY_G
), /* S22 */
185 KEY(2, 5, KEY_H
), /* S23 */
186 KEY(2, 6, KEY_J
), /* S24 */
187 KEY(2, 7, KEY_K
), /* S25 */
188 KEY(3, 0, KEY_ESC
), /* S26 */
189 KEY(3, 1, KEY_Z
), /* S27 */
190 KEY(3, 2, KEY_X
), /* S28 */
191 KEY(3, 3, KEY_C
), /* S29 */
192 KEY(3, 4, KEY_V
), /* S30 */
193 KEY(3, 5, KEY_B
), /* S31 */
194 KEY(3, 6, KEY_N
), /* S32 */
195 KEY(3, 7, KEY_M
), /* S33 */
196 KEY(4, 0, KEY_TAB
), /* S34 */
197 KEY(4, 1, KEY_CAPSLOCK
), /* S35 */
198 KEY(4, 2, KEY_BACKSLASH
), /* S36 */
199 KEY(4, 3, KEY_APOSTROPHE
), /* S37 */
200 KEY(4, 4, KEY_COMMA
), /* S38 */
201 KEY(4, 5, KEY_DOT
), /* S39 */
202 KEY(4, 6, KEY_SLASH
), /* S40 */
203 KEY(4, 7, KEY_UP
), /* S41 */
204 KEY(5, 0, KEY_O
), /* S42 */
205 KEY(5, 1, KEY_L
), /* S43 */
206 KEY(5, 2, KEY_EQUAL
), /* S44 */
207 KEY(5, 3, KEY_QI_UPRED
), /* S45 */
208 KEY(5, 4, KEY_SPACE
), /* S46 */
209 KEY(5, 5, KEY_QI_QI
), /* S47 */
210 KEY(5, 6, KEY_RIGHTCTRL
), /* S48 */
211 KEY(5, 7, KEY_LEFT
), /* S49 */
212 KEY(6, 0, KEY_F8
), /* S50 */
213 KEY(6, 1, KEY_P
), /* S51 */
214 KEY(6, 2, KEY_BACKSPACE
),/* S52 */
215 KEY(6, 3, KEY_ENTER
), /* S53 */
216 KEY(6, 4, KEY_QI_VOLUP
), /* S54 */
217 KEY(6, 5, KEY_QI_VOLDOWN
), /* S55 */
218 KEY(6, 6, KEY_DOWN
), /* S56 */
219 KEY(6, 7, KEY_RIGHT
), /* S57 */
221 KEY(7, 0, KEY_LEFTSHIFT
), /* S58 */
222 KEY(7, 1, KEY_LEFTALT
), /* S59 */
223 KEY(7, 2, KEY_QI_FN
), /* S60 */
226 static const struct matrix_keymap_data qi_lb60_keymap_data
= {
227 .keymap
= qi_lb60_keymap
,
228 .keymap_size
= ARRAY_SIZE(qi_lb60_keymap
),
231 static const unsigned int qi_lb60_keypad_cols
[] = {
232 QI_LB60_GPIO_KEYOUT(0),
233 QI_LB60_GPIO_KEYOUT(1),
234 QI_LB60_GPIO_KEYOUT(2),
235 QI_LB60_GPIO_KEYOUT(3),
236 QI_LB60_GPIO_KEYOUT(4),
237 QI_LB60_GPIO_KEYOUT(5),
238 QI_LB60_GPIO_KEYOUT(6),
239 QI_LB60_GPIO_KEYOUT(7),
242 static const unsigned int qi_lb60_keypad_rows
[] = {
243 QI_LB60_GPIO_KEYIN(0),
244 QI_LB60_GPIO_KEYIN(1),
245 QI_LB60_GPIO_KEYIN(2),
246 QI_LB60_GPIO_KEYIN(3),
247 QI_LB60_GPIO_KEYIN(4),
248 QI_LB60_GPIO_KEYIN(5),
249 QI_LB60_GPIO_KEYIN(6),
253 static struct matrix_keypad_platform_data qi_lb60_pdata
= {
254 .keymap_data
= &qi_lb60_keymap_data
,
255 .col_gpios
= qi_lb60_keypad_cols
,
256 .row_gpios
= qi_lb60_keypad_rows
,
257 .num_col_gpios
= ARRAY_SIZE(qi_lb60_keypad_cols
),
258 .num_row_gpios
= ARRAY_SIZE(qi_lb60_keypad_rows
),
259 .col_scan_delay_us
= 10,
265 static struct platform_device qi_lb60_keypad
= {
266 .name
= "matrix-keypad",
269 .platform_data
= &qi_lb60_pdata
,
274 static struct fb_videomode qi_lb60_video_modes
[] = {
287 .vmode
= FB_VMODE_NONINTERLACED
,
291 static struct jz4740_fb_platform_data qi_lb60_fb_pdata
= {
294 .num_modes
= ARRAY_SIZE(qi_lb60_video_modes
),
295 .modes
= qi_lb60_video_modes
,
297 .lcd_type
= JZ_LCD_TYPE_8BIT_SERIAL
,
298 .pixclk_falling_edge
= 1,
301 struct spi_gpio_platform_data spigpio_platform_data
= {
302 .sck
= JZ_GPIO_PORTC(23),
303 .mosi
= JZ_GPIO_PORTC(22),
308 static struct platform_device spigpio_device
= {
312 .platform_data
= &spigpio_platform_data
,
316 static struct spi_board_info qi_lb60_spi_board_info
[] = {
318 .modalias
= "ili8960",
319 .controller_data
= (void *)JZ_GPIO_PORTC(21),
322 .max_speed_hz
= 30 * 1000,
328 static struct jz_battery_platform_data qi_lb60_battery_pdata
= {
329 .gpio_charge
= JZ_GPIO_PORTC(27),
330 .gpio_charge_active_low
= 1,
333 .technology
= POWER_SUPPLY_TECHNOLOGY_LIPO
,
334 .voltage_max_design
= 4200000,
335 .voltage_min_design
= 3600000,
339 /* GPIO Key: power */
340 static struct gpio_keys_button qi_lb60_gpio_keys_buttons
[] = {
343 .gpio
= JZ_GPIO_PORTD(29),
350 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data
= {
351 .nbuttons
= ARRAY_SIZE(qi_lb60_gpio_keys_buttons
),
352 .buttons
= qi_lb60_gpio_keys_buttons
,
355 static struct platform_device qi_lb60_gpio_keys
= {
359 .platform_data
= &qi_lb60_gpio_keys_data
,
363 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata
= {
364 .gpio_card_detect
= QI_LB60_GPIO_SD_CD
,
365 .gpio_read_only
= -1,
366 .gpio_power
= QI_LB60_GPIO_SD_VCC_EN_N
,
367 .power_active_low
= 1,
371 static struct regulator_consumer_supply avt2_usb_regulator_consumer
=
372 REGULATOR_SUPPLY("vbus", "jz4740-ohci");
374 static struct regulator_init_data avt2_usb_regulator_init_data
= {
375 .num_consumer_supplies
= 1,
376 .consumer_supplies
= &avt2_usb_regulator_consumer
,
381 .valid_modes_mask
= REGULATOR_MODE_NORMAL
,
382 .valid_ops_mask
= REGULATOR_CHANGE_STATUS
,
386 static struct fixed_voltage_config avt2_usb_regulator_data
= {
387 .supply_name
= "USB power",
388 .microvolts
= 5000000,
389 .gpio
= JZ_GPIO_PORTB(17),
390 .init_data
= &avt2_usb_regulator_init_data
,
393 static struct platform_device avt2_usb_regulator_device
= {
394 .name
= "reg-fixed-voltage",
397 .platform_data
= &avt2_usb_regulator_data
,
401 static struct pwm_lookup qi_lb60_pwm_lookup
[] = {
402 PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL
, 0,
403 PWM_POLARITY_NORMAL
),
407 static struct platform_device qi_lb60_pwm_beeper
= {
408 .name
= "pwm-beeper",
413 static char *qi_lb60_batteries
[] = {
417 static struct gpio_charger_platform_data qi_lb60_charger_pdata
= {
419 .type
= POWER_SUPPLY_TYPE_USB
,
420 .gpio
= JZ_GPIO_PORTD(28),
421 .gpio_active_low
= 1,
422 .supplied_to
= qi_lb60_batteries
,
423 .num_supplicants
= ARRAY_SIZE(qi_lb60_batteries
),
426 static struct platform_device qi_lb60_charger_device
= {
427 .name
= "gpio-charger",
429 .platform_data
= &qi_lb60_charger_pdata
,
434 static struct platform_device qi_lb60_audio_device
= {
435 .name
= "qi-lb60-audio",
439 static struct gpiod_lookup_table qi_lb60_audio_gpio_table
= {
440 .dev_id
= "qi-lb60-audio",
442 GPIO_LOOKUP("Bank B", 29, "snd", 0),
443 GPIO_LOOKUP("Bank D", 4, "amp", 0),
448 static struct platform_device
*jz_platform_devices
[] __initdata
= {
450 &jz4740_udc_xceiv_device
,
455 &jz4740_framebuffer_device
,
458 &jz4740_codec_device
,
465 &qi_lb60_charger_device
,
466 &qi_lb60_audio_device
,
469 static void __init
board_gpio_setup(void)
471 /* We only need to enable/disable pullup here for pins used in generic
472 * drivers. Everything else is done by the drivers themselves. */
473 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N
);
474 jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD
);
477 static int __init
qi_lb60_init_platform_devices(void)
479 jz4740_framebuffer_device
.dev
.platform_data
= &qi_lb60_fb_pdata
;
480 jz4740_nand_device
.dev
.platform_data
= &qi_lb60_nand_pdata
;
481 jz4740_adc_device
.dev
.platform_data
= &qi_lb60_battery_pdata
;
482 jz4740_mmc_device
.dev
.platform_data
= &qi_lb60_mmc_pdata
;
484 gpiod_add_lookup_table(&qi_lb60_audio_gpio_table
);
485 gpiod_add_lookup_table(&qi_lb60_nand_gpio_table
);
487 spi_register_board_info(qi_lb60_spi_board_info
,
488 ARRAY_SIZE(qi_lb60_spi_board_info
));
491 platform_device_register(&avt2_usb_regulator_device
);
492 platform_device_register(&jz4740_usb_ohci_device
);
495 pwm_add_table(qi_lb60_pwm_lookup
, ARRAY_SIZE(qi_lb60_pwm_lookup
));
497 return platform_add_devices(jz_platform_devices
,
498 ARRAY_SIZE(jz_platform_devices
));
502 static __init
int board_avt2(char *str
)
504 qi_lb60_mmc_pdata
.card_detect_active_low
= 1;
509 __setup("avt2", board_avt2
);
511 static int __init
qi_lb60_board_setup(void)
513 printk(KERN_INFO
"Qi Hardware JZ4740 QI %s setup\n",
514 is_avt2
? "AVT2" : "LB60");
518 if (qi_lb60_init_platform_devices())
519 panic("Failed to initialize platform devices");
523 arch_initcall(qi_lb60_board_setup
);