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[xburst] Add per board struct describing the external clock setup.
[openwrt/svn-archive/archive.git] / target / linux / xburst / files-2.6.32 / arch / mips / jz4740 / board-qi_lb60.c
1 /*
2 * linux/arch/mips/jz4740/board-qi_lb60.c
3 *
4 * QI_LB60 setup routines.
5 *
6 * Copyright (c) 2009 Qi Hardware inc.,
7 * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 or later
11 * as published by the Free Software Foundation.
12 */
13
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/gpio.h>
17
18 #include <asm/mach-jz4740/board-qi_lb60.h>
19 #include <asm/mach-jz4740/platform.h>
20
21 #include <linux/input.h>
22 #include <linux/gpio_keys.h>
23 #include <linux/mtd/jz4740_nand.h>
24 #include <linux/jz4740_fb.h>
25 #include <linux/input/matrix_keypad.h>
26 #include <linux/mtd/jz4740_nand.h>
27 #include <linux/spi/spi.h>
28 #include <linux/spi/spi_gpio.h>
29 #include <linux/power_supply.h>
30 #include <linux/power/jz4740-battery.h>
31 #include <linux/power/gpio-charger.h>
32 #include <linux/mmc/jz4740_mmc.h>
33
34 #include "clock.h"
35
36 /* NAND */
37 static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
38 .eccbytes = 36,
39 .eccpos = {
40 6, 7, 8, 9, 10, 11, 12, 13,
41 14, 15, 16, 17, 18, 19, 20, 21,
42 22, 23, 24, 25, 26, 27, 28, 29,
43 30, 31, 32, 33, 34, 35, 36, 37,
44 38, 39, 40, 41},
45 .oobfree = {
46 {.offset = 2,
47 .length = 4},
48 {.offset = 42,
49 .length = 22}}
50 };
51
52 static struct mtd_partition qi_lb60_partitions_1gb[] = {
53 { .name = "NAND BOOT partition",
54 .offset = 0 * 0x100000,
55 .size = 4 * 0x100000,
56 },
57 { .name = "NAND KERNEL partition",
58 .offset = 4 * 0x100000,
59 .size = 4 * 0x100000,
60 },
61 { .name = "NAND ROOTFS partition",
62 .offset = 8 * 0x100000,
63 .size = (504 + 512) * 0x100000,
64 },
65 };
66
67 static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
68 .eccbytes = 72,
69 .eccpos = {
70 12, 13, 14, 15, 16, 17, 18, 19,
71 20, 21, 22, 23, 24, 25, 26, 27,
72 28, 29, 30, 31, 32, 33, 34, 35,
73 36, 37, 38, 39, 40, 41, 42, 43,
74 44, 45, 46, 47, 48, 49, 50, 51,
75 52, 53, 54, 55, 56, 57, 58, 59,
76 60, 61, 62, 63, 64, 65, 66, 67,
77 68, 69, 70, 71, 72, 73, 74, 75,
78 76, 77, 78, 79, 80, 81, 82, 83},
79 .oobfree = {
80 {.offset = 2,
81 .length = 10},
82 {.offset = 84,
83 .length = 44}}
84 };
85
86 static struct mtd_partition qi_lb60_partitions_2gb[] = {
87 { .name = "NAND BOOT partition",
88 .offset = 0 * 0x100000,
89 .size = 4 * 0x100000,
90 },
91 { .name = "NAND KERNEL partition",
92 .offset = 4 * 0x100000,
93 .size = 4 * 0x100000,
94 },
95 { .name = "NAND ROOTFS partition",
96 .offset = 8 * 0x100000,
97 .size = (504 + 512 + 1024) * 0x100000,
98 },
99 };
100
101 static void qi_lb60_nand_ident(struct platform_device *pdev,
102 struct nand_chip *chip,
103 struct mtd_partition **partitions,
104 int *num_partitions)
105 {
106 if (chip->page_shift == 12) {
107 chip->ecc.layout = &qi_lb60_ecclayout_2gb;
108 *partitions = qi_lb60_partitions_2gb;
109 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
110 } else {
111 chip->ecc.layout = &qi_lb60_ecclayout_1gb;
112 *partitions = qi_lb60_partitions_1gb;
113 *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
114 }
115 }
116
117 static struct jz_nand_platform_data qi_lb60_nand_pdata = {
118 .ident_callback = qi_lb60_nand_ident,
119 .busy_gpio = 94,
120 };
121
122 /* Keyboard*/
123
124 /* #define KEEP_UART_ALIVE
125 * don't define this. the keyboard and keyboard both work
126 */
127
128 #define KEY_QI_QI KEY_F13
129 #define KEY_QI_UPRED KEY_RIGHTALT
130 #define KEY_QI_VOLUP KEY_VOLUMEUP
131 #define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
132 #define KEY_QI_FN KEY_LEFTCTRL
133
134 static const uint32_t qi_lb60_keymap[] = {
135 KEY(0, 0, KEY_F1), /* S2 */
136 KEY(0, 1, KEY_F2), /* S3 */
137 KEY(0, 2, KEY_F3), /* S4 */
138 KEY(0, 3, KEY_F4), /* S5 */
139 KEY(0, 4, KEY_F5), /* S6 */
140 KEY(0, 5, KEY_F6), /* S7 */
141 KEY(0, 6, KEY_F7), /* S8 */
142
143 KEY(1, 0, KEY_Q), /* S10 */
144 KEY(1, 1, KEY_W), /* S11 */
145 KEY(1, 2, KEY_E), /* S12 */
146 KEY(1, 3, KEY_R), /* S13 */
147 KEY(1, 4, KEY_T), /* S14 */
148 KEY(1, 5, KEY_Y), /* S15 */
149 KEY(1, 6, KEY_U), /* S16 */
150 KEY(1, 7, KEY_I), /* S17 */
151 KEY(2, 0, KEY_A), /* S18 */
152 KEY(2, 1, KEY_S), /* S19 */
153 KEY(2, 2, KEY_D), /* S20 */
154 KEY(2, 3, KEY_F), /* S21 */
155 KEY(2, 4, KEY_G), /* S22 */
156 KEY(2, 5, KEY_H), /* S23 */
157 KEY(2, 6, KEY_J), /* S24 */
158 KEY(2, 7, KEY_K), /* S25 */
159 KEY(3, 0, KEY_ESC), /* S26 */
160 KEY(3, 1, KEY_Z), /* S27 */
161 KEY(3, 2, KEY_X), /* S28 */
162 KEY(3, 3, KEY_C), /* S29 */
163 KEY(3, 4, KEY_V), /* S30 */
164 KEY(3, 5, KEY_B), /* S31 */
165 KEY(3, 6, KEY_N), /* S32 */
166 KEY(3, 7, KEY_M), /* S33 */
167 KEY(4, 0, KEY_TAB), /* S34 */
168 KEY(4, 1, KEY_CAPSLOCK), /* S35 */
169 KEY(4, 2, KEY_BACKSLASH), /* S36 */
170 KEY(4, 3, KEY_APOSTROPHE), /* S37 */
171 KEY(4, 4, KEY_COMMA), /* S38 */
172 KEY(4, 5, KEY_DOT), /* S39 */
173 KEY(4, 6, KEY_SLASH), /* S40 */
174 KEY(4, 7, KEY_UP), /* S41 */
175 KEY(5, 0, KEY_O), /* S42 */
176 KEY(5, 1, KEY_L), /* S43 */
177 KEY(5, 2, KEY_EQUAL), /* S44 */
178 KEY(5, 3, KEY_QI_UPRED), /* S45 */
179 KEY(5, 4, KEY_SPACE), /* S46 */
180 KEY(5, 5, KEY_QI_QI), /* S47 */
181 KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
182 KEY(5, 7, KEY_LEFT), /* S49 */
183 KEY(6, 0, KEY_F8), /* S50 */
184 KEY(6, 1, KEY_P), /* S51 */
185 KEY(6, 2, KEY_BACKSPACE),/* S52 */
186 KEY(6, 3, KEY_ENTER), /* S53 */
187 KEY(6, 4, KEY_QI_VOLUP), /* S54 */
188 KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
189 KEY(6, 6, KEY_DOWN), /* S56 */
190 KEY(6, 7, KEY_RIGHT), /* S57 */
191
192 #ifndef KEEP_UART_ALIVE
193 KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
194 KEY(7, 1, KEY_LEFTALT), /* S59 */
195 KEY(7, 2, KEY_QI_FN), /* S60 */
196 #endif
197 };
198
199 static const struct matrix_keymap_data qi_lb60_keymap_data = {
200 .keymap = qi_lb60_keymap,
201 .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
202 };
203
204 static const unsigned int qi_lb60_keypad_cols[] = {
205 74, 75, 76, 77, 78, 79, 80, 81,
206 };
207
208 static const unsigned int qi_lb60_keypad_rows[] = {
209 114, 115, 116, 117, 118, 119, 120,
210 #ifndef KEEP_UART_ALIVE
211 122,
212 #endif
213 };
214
215 static struct matrix_keypad_platform_data qi_lb60_pdata = {
216 .keymap_data = &qi_lb60_keymap_data,
217 .col_gpios = qi_lb60_keypad_cols,
218 .row_gpios = qi_lb60_keypad_rows,
219 .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
220 .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
221 .col_scan_delay_us = 10,
222 .debounce_ms = 10,
223 .wakeup = 1,
224 .active_low = 1,
225 };
226
227 static struct platform_device qi_lb60_keypad = {
228 .name = "matrix-keypad",
229 .id = -1,
230 .dev = {
231 .platform_data = &qi_lb60_pdata,
232 },
233 };
234
235 /* Display */
236 static struct fb_videomode qi_lb60_video_modes[] = {
237 {
238 .name = "320x240",
239 .xres = 320,
240 .yres = 240,
241 .pixclock = 700000,
242 .left_margin = 140,
243 .right_margin = 273,
244 .upper_margin = 20,
245 .lower_margin = 2,
246 .hsync_len = 1,
247 .vsync_len = 1,
248 .sync = 0,
249 .vmode = FB_VMODE_NONINTERLACED,
250 },
251 };
252
253 static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
254 .width = 60,
255 .height = 45,
256 .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
257 .modes = qi_lb60_video_modes,
258 .bpp = 24,
259 .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
260 };
261
262
263 struct spi_gpio_platform_data spigpio_platform_data = {
264 .sck = JZ_GPIO_PORTC(23),
265 .mosi = JZ_GPIO_PORTC(22),
266 .miso = JZ_GPIO_PORTC(22),
267 .num_chipselect = 1,
268 };
269
270 static struct platform_device spigpio_device = {
271 .name = "spi_gpio",
272 .id = 1,
273 .dev = {
274 .platform_data = &spigpio_platform_data,
275 },
276 };
277
278 static struct spi_board_info qi_lb60_spi_board_info[] = {
279 {
280 .modalias = "gpm940b0",
281 .controller_data = (void*)JZ_GPIO_PORTC(21),
282 .chip_select = 0,
283 .bus_num = 1,
284 .max_speed_hz = 30 * 1000,
285 },
286 };
287
288 /* Battery */
289 static struct jz_battery_platform_data qi_lb60_battery_pdata = {
290 .gpio_charge = GPIO_CHARG_STAT_N,
291 .gpio_charge_active_low = 1,
292 .info = {
293 .name = "battery",
294 .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
295 .voltage_max_design = 4200000,
296 .voltage_min_design = 3600000,
297 },
298 };
299
300 static char *qi_lb60_batteries[] = {
301 "battery",
302 };
303
304 static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
305 .name = "USB",
306 .type = POWER_SUPPLY_TYPE_USB,
307 .gpio = GPIO_USB_DETE,
308 .gpio_active_low = 1,
309 .batteries = qi_lb60_batteries,
310 .num_batteries = ARRAY_SIZE(qi_lb60_batteries),
311 };
312
313 static struct platform_device qi_lb60_charger_device = {
314 .name = "gpio-charger",
315 .dev = {
316 .platform_data = &qi_lb60_charger_pdata,
317 },
318 };
319
320 /* GPIO Key: power */
321 static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
322 [0] = {
323 .code = KEY_POWER,
324 .gpio = GPIO_WAKEUP_N,
325 .active_low = 1,
326 .desc = "Power",
327 .wakeup = 1,
328 },
329 };
330
331 static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
332 .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
333 .buttons = qi_lb60_gpio_keys_buttons,
334 };
335
336 static struct platform_device qi_lb60_gpio_keys = {
337 .name = "gpio-keys",
338 .id = -1,
339 .dev = {
340 .platform_data = &qi_lb60_gpio_keys_data,
341 }
342 };
343
344 static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
345 .gpio_card_detect = JZ_GPIO_PORTD(0),
346 .gpio_read_only = -1,
347 .gpio_power = JZ_GPIO_PORTD(2),
348 .power_active_low = 1,
349 };
350
351 static struct platform_device *jz_platform_devices[] __initdata = {
352 &jz4740_usb_ohci_device,
353 &jz4740_usb_gdt_device,
354 &jz4740_mmc_device,
355 &jz4740_nand_device,
356 &qi_lb60_keypad,
357 &spigpio_device,
358 &jz4740_framebuffer_device,
359 &jz4740_i2s_device,
360 &jz4740_codec_device,
361 &jz4740_rtc_device,
362 &jz4740_adc_device,
363 &jz4740_battery_device,
364 &qi_lb60_gpio_keys,
365 &qi_lb60_charger_device,
366 };
367
368 static void __init board_gpio_setup(void)
369 {
370 /* We only need to enable/disable pullup here for pins used in generic
371 * drivers. Everything else is done by the drivers themselfs. */
372 jz_gpio_disable_pullup(GPIO_SD_VCC_EN_N);
373 jz_gpio_disable_pullup(GPIO_SD_CD_N);
374 }
375
376 static int __init qi_lb60_init_platform_devices(void)
377 {
378 jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
379 jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
380 jz4740_battery_device.dev.platform_data = &qi_lb60_battery_pdata;
381 jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
382
383 spi_register_board_info(qi_lb60_spi_board_info,
384 ARRAY_SIZE(qi_lb60_spi_board_info));
385
386 return platform_add_devices(jz_platform_devices,
387 ARRAY_SIZE(jz_platform_devices));
388
389 }
390
391 struct jz4740_clock_board_data jz4740_clock_bdata = {
392 .ext_rate = 12000000,
393 .rtc_rate = 32768,
394 };
395
396 extern int jz_gpiolib_init(void);
397
398 static __init int board_avt2(char *str)
399 {
400 qi_lb60_mmc_pdata.card_detect_active_low = 1;
401 qi_lb60_mmc_pdata.power_active_low = 1;
402
403 return 1;
404 }
405
406 __setup("avt2", board_avt2);
407
408 static int __init qi_lb60_board_setup(void)
409 {
410 printk("Qi Hardware JZ4740 QI_LB60 setup\n");
411 if (jz_gpiolib_init())
412 panic("Failed to initalize jz gpio\n");
413
414 jz_init_clocks();
415 board_gpio_setup();
416
417 if (qi_lb60_init_platform_devices())
418 panic("Failed to initalize platform devices\n");
419
420 return 0;
421 }
422
423 arch_initcall(qi_lb60_board_setup);
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