Commit | Line | Data |
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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
eda6f6ec RJ |
2 | /* |
3 | * Handles the Mitac Mio A701 Board | |
4 | * | |
5 | * Copyright (C) 2008 Robert Jarzmik | |
eda6f6ec RJ |
6 | */ |
7 | ||
8 | #include <linux/kernel.h> | |
9 | #include <linux/init.h> | |
10 | #include <linux/platform_device.h> | |
2eaa03b5 | 11 | #include <linux/syscore_ops.h> |
eda6f6ec RJ |
12 | #include <linux/input.h> |
13 | #include <linux/delay.h> | |
14 | #include <linux/gpio_keys.h> | |
64c644a4 | 15 | #include <linux/pwm.h> |
eda6f6ec RJ |
16 | #include <linux/pwm_backlight.h> |
17 | #include <linux/rtc.h> | |
18 | #include <linux/leds.h> | |
19 | #include <linux/gpio.h> | |
32d15448 | 20 | #include <linux/gpio/machine.h> |
eda6f6ec RJ |
21 | #include <linux/interrupt.h> |
22 | #include <linux/irq.h> | |
23 | #include <linux/pda_power.h> | |
24 | #include <linux/power_supply.h> | |
241cf473 | 25 | #include <linux/wm97xx.h> |
eda6f6ec | 26 | #include <linux/mtd/physmap.h> |
689b4feb | 27 | #include <linux/usb/gpio_vbus.h> |
7b6d864b | 28 | #include <linux/reboot.h> |
902e6a0c | 29 | #include <linux/regulator/fixed.h> |
9752e148 | 30 | #include <linux/regulator/max1586.h> |
5a0e3ad6 | 31 | #include <linux/slab.h> |
f15fc9b1 | 32 | #include <linux/platform_data/i2c-pxa.h> |
eda6f6ec RJ |
33 | |
34 | #include <asm/mach-types.h> | |
35 | #include <asm/mach/arch.h> | |
51c62982 | 36 | |
4c25c5d2 AB |
37 | #include "pxa27x.h" |
38 | #include "regs-rtc.h" | |
293b2da1 AB |
39 | #include <linux/platform_data/keypad-pxa27x.h> |
40 | #include <linux/platform_data/video-pxafb.h> | |
41 | #include <linux/platform_data/mmc-pxamci.h> | |
4c25c5d2 AB |
42 | #include "udc.h" |
43 | #include "pxa27x-udc.h" | |
a71daaa1 | 44 | #include <linux/platform_data/media/camera-pxa.h> |
80748fb8 | 45 | #include <mach/audio.h> |
43a90877 | 46 | #include <mach/smemc.h> |
eda6f6ec | 47 | |
4c25c5d2 | 48 | #include "mioa701.h" |
eda6f6ec RJ |
49 | |
50 | #include "generic.h" | |
51 | #include "devices.h" | |
52 | ||
53 | static unsigned long mioa701_pin_config[] = { | |
54 | /* Mio global */ | |
c96763d4 | 55 | MIO_CFG_OUT(GPIO9_CHARGE_EN, AF0, DRIVE_LOW), |
eda6f6ec RJ |
56 | MIO_CFG_OUT(GPIO18_POWEROFF, AF0, DRIVE_LOW), |
57 | MFP_CFG_OUT(GPIO3, AF0, DRIVE_HIGH), | |
58 | MFP_CFG_OUT(GPIO4, AF0, DRIVE_HIGH), | |
c96763d4 | 59 | MIO_CFG_IN(GPIO80_MAYBE_CHARGE_VDROP, AF0), |
eda6f6ec RJ |
60 | |
61 | /* Backlight PWM 0 */ | |
62 | GPIO16_PWM0_OUT, | |
63 | ||
64 | /* MMC */ | |
65 | GPIO32_MMC_CLK, | |
66 | GPIO92_MMC_DAT_0, | |
67 | GPIO109_MMC_DAT_1, | |
68 | GPIO110_MMC_DAT_2, | |
69 | GPIO111_MMC_DAT_3, | |
70 | GPIO112_MMC_CMD, | |
71 | MIO_CFG_IN(GPIO78_SDIO_RO, AF0), | |
72 | MIO_CFG_IN(GPIO15_SDIO_INSERT, AF0), | |
73 | MIO_CFG_OUT(GPIO91_SDIO_EN, AF0, DRIVE_LOW), | |
74 | ||
75 | /* USB */ | |
c96763d4 | 76 | MIO_CFG_IN(GPIO13_nUSB_DETECT, AF0), |
eda6f6ec RJ |
77 | MIO_CFG_OUT(GPIO22_USB_ENABLE, AF0, DRIVE_LOW), |
78 | ||
79 | /* LCD */ | |
bedbda97 | 80 | GPIOxx_LCD_TFT_16BPP, |
eda6f6ec | 81 | |
8e7ccddf RJ |
82 | /* QCI */ |
83 | GPIO12_CIF_DD_7, | |
84 | GPIO17_CIF_DD_6, | |
85 | GPIO50_CIF_DD_3, | |
86 | GPIO51_CIF_DD_2, | |
87 | GPIO52_CIF_DD_4, | |
88 | GPIO53_CIF_MCLK, | |
89 | GPIO54_CIF_PCLK, | |
90 | GPIO55_CIF_DD_1, | |
91 | GPIO81_CIF_DD_0, | |
92 | GPIO82_CIF_DD_5, | |
93 | GPIO84_CIF_FV, | |
94 | GPIO85_CIF_LV, | |
c2219e4d | 95 | MIO_CFG_OUT(GPIO56_MT9M111_nOE, AF0, DRIVE_LOW), |
8e7ccddf | 96 | |
eda6f6ec | 97 | /* Bluetooth */ |
c96763d4 | 98 | MIO_CFG_IN(GPIO14_BT_nACTIVITY, AF0), |
eda6f6ec RJ |
99 | GPIO44_BTUART_CTS, |
100 | GPIO42_BTUART_RXD, | |
101 | GPIO45_BTUART_RTS, | |
102 | GPIO43_BTUART_TXD, | |
103 | MIO_CFG_OUT(GPIO83_BT_ON, AF0, DRIVE_LOW), | |
c96763d4 RJ |
104 | MIO_CFG_OUT(GPIO77_BT_UNKNOWN1, AF0, DRIVE_HIGH), |
105 | MIO_CFG_OUT(GPIO86_BT_MAYBE_nRESET, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
106 | |
107 | /* GPS */ | |
108 | MIO_CFG_OUT(GPIO23_GPS_UNKNOWN1, AF0, DRIVE_LOW), | |
109 | MIO_CFG_OUT(GPIO26_GPS_ON, AF0, DRIVE_LOW), | |
110 | MIO_CFG_OUT(GPIO27_GPS_RESET, AF0, DRIVE_LOW), | |
111 | MIO_CFG_OUT(GPIO106_GPS_UNKNOWN2, AF0, DRIVE_LOW), | |
112 | MIO_CFG_OUT(GPIO107_GPS_UNKNOWN3, AF0, DRIVE_LOW), | |
113 | GPIO46_STUART_RXD, | |
114 | GPIO47_STUART_TXD, | |
115 | ||
116 | /* GSM */ | |
117 | MIO_CFG_OUT(GPIO24_GSM_MOD_RESET_CMD, AF0, DRIVE_LOW), | |
118 | MIO_CFG_OUT(GPIO88_GSM_nMOD_ON_CMD, AF0, DRIVE_HIGH), | |
119 | MIO_CFG_OUT(GPIO90_GSM_nMOD_OFF_CMD, AF0, DRIVE_HIGH), | |
120 | MIO_CFG_OUT(GPIO114_GSM_nMOD_DTE_UART_STATE, AF0, DRIVE_HIGH), | |
121 | MIO_CFG_IN(GPIO25_GSM_MOD_ON_STATE, AF0), | |
122 | MIO_CFG_IN(GPIO113_GSM_EVENT, AF0) | WAKEUP_ON_EDGE_BOTH, | |
123 | GPIO34_FFUART_RXD, | |
124 | GPIO35_FFUART_CTS, | |
125 | GPIO36_FFUART_DCD, | |
126 | GPIO37_FFUART_DSR, | |
127 | GPIO39_FFUART_TXD, | |
128 | GPIO40_FFUART_DTR, | |
129 | GPIO41_FFUART_RTS, | |
130 | ||
131 | /* Sound */ | |
c11b6a42 EM |
132 | GPIO28_AC97_BITCLK, |
133 | GPIO29_AC97_SDATA_IN_0, | |
134 | GPIO30_AC97_SDATA_OUT, | |
135 | GPIO31_AC97_SYNC, | |
eda6f6ec RJ |
136 | GPIO89_AC97_SYSCLK, |
137 | MIO_CFG_IN(GPIO12_HPJACK_INSERT, AF0), | |
138 | ||
139 | /* Leds */ | |
140 | MIO_CFG_OUT(GPIO10_LED_nCharging, AF0, DRIVE_HIGH), | |
141 | MIO_CFG_OUT(GPIO97_LED_nBlue, AF0, DRIVE_HIGH), | |
142 | MIO_CFG_OUT(GPIO98_LED_nOrange, AF0, DRIVE_HIGH), | |
143 | MIO_CFG_OUT(GPIO82_LED_nVibra, AF0, DRIVE_HIGH), | |
144 | MIO_CFG_OUT(GPIO115_LED_nKeyboard, AF0, DRIVE_HIGH), | |
145 | ||
146 | /* Keyboard */ | |
147 | MIO_CFG_IN(GPIO0_KEY_POWER, AF0) | WAKEUP_ON_EDGE_BOTH, | |
148 | MIO_CFG_IN(GPIO93_KEY_VOLUME_UP, AF0), | |
149 | MIO_CFG_IN(GPIO94_KEY_VOLUME_DOWN, AF0), | |
150 | GPIO100_KP_MKIN_0, | |
151 | GPIO101_KP_MKIN_1, | |
152 | GPIO102_KP_MKIN_2, | |
153 | GPIO103_KP_MKOUT_0, | |
154 | GPIO104_KP_MKOUT_1, | |
155 | GPIO105_KP_MKOUT_2, | |
156 | ||
8e7ccddf RJ |
157 | /* I2C */ |
158 | GPIO117_I2C_SCL, | |
159 | GPIO118_I2C_SDA, | |
160 | ||
eda6f6ec | 161 | /* Unknown */ |
eda6f6ec RJ |
162 | MFP_CFG_IN(GPIO20, AF0), |
163 | MFP_CFG_IN(GPIO21, AF0), | |
164 | MFP_CFG_IN(GPIO33, AF0), | |
165 | MFP_CFG_OUT(GPIO49, AF0, DRIVE_HIGH), | |
166 | MFP_CFG_OUT(GPIO57, AF0, DRIVE_HIGH), | |
eda6f6ec RJ |
167 | MFP_CFG_IN(GPIO96, AF0), |
168 | MFP_CFG_OUT(GPIO116, AF0, DRIVE_HIGH), | |
169 | }; | |
170 | ||
64c644a4 TR |
171 | static struct pwm_lookup mioa701_pwm_lookup[] = { |
172 | PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight", NULL, 4000 * 1024, | |
173 | PWM_POLARITY_NORMAL), | |
174 | }; | |
175 | ||
eda6f6ec RJ |
176 | /* LCD Screen and Backlight */ |
177 | static struct platform_pwm_backlight_data mioa701_backlight_data = { | |
eda6f6ec RJ |
178 | .max_brightness = 100, |
179 | .dft_brightness = 50, | |
db01120c | 180 | .enable_gpio = -1, |
eda6f6ec RJ |
181 | }; |
182 | ||
183 | /* | |
184 | * LTM0305A776C LCD panel timings | |
185 | * | |
186 | * see: | |
187 | * - the LTM0305A776C datasheet, | |
188 | * - and the PXA27x Programmers' manual | |
189 | */ | |
190 | static struct pxafb_mode_info mioa701_ltm0305a776c = { | |
191 | .pixclock = 220000, /* CLK=4.545 MHz */ | |
192 | .xres = 240, | |
193 | .yres = 320, | |
194 | .bpp = 16, | |
195 | .hsync_len = 4, | |
196 | .vsync_len = 2, | |
197 | .left_margin = 6, | |
198 | .right_margin = 4, | |
199 | .upper_margin = 5, | |
200 | .lower_margin = 3, | |
201 | }; | |
202 | ||
203 | static void mioa701_lcd_power(int on, struct fb_var_screeninfo *si) | |
204 | { | |
205 | gpio_set_value(GPIO87_LCD_POWER, on); | |
206 | } | |
207 | ||
208 | static struct pxafb_mach_info mioa701_pxafb_info = { | |
209 | .modes = &mioa701_ltm0305a776c, | |
210 | .num_modes = 1, | |
211 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
212 | .pxafb_lcd_power = mioa701_lcd_power, | |
213 | }; | |
214 | ||
215 | /* | |
216 | * Keyboard configuration | |
217 | */ | |
0a085a94 | 218 | static const unsigned int mioa701_matrix_keys[] = { |
eda6f6ec RJ |
219 | KEY(0, 0, KEY_UP), |
220 | KEY(0, 1, KEY_RIGHT), | |
221 | KEY(0, 2, KEY_MEDIA), | |
222 | KEY(1, 0, KEY_DOWN), | |
223 | KEY(1, 1, KEY_ENTER), | |
224 | KEY(1, 2, KEY_CONNECT), /* GPS key */ | |
225 | KEY(2, 0, KEY_LEFT), | |
226 | KEY(2, 1, KEY_PHONE), /* Phone Green key */ | |
227 | KEY(2, 2, KEY_CAMERA) /* Camera key */ | |
228 | }; | |
0a085a94 CX |
229 | |
230 | static struct matrix_keymap_data mioa701_matrix_keymap_data = { | |
231 | .keymap = mioa701_matrix_keys, | |
232 | .keymap_size = ARRAY_SIZE(mioa701_matrix_keys), | |
233 | }; | |
234 | ||
eda6f6ec RJ |
235 | static struct pxa27x_keypad_platform_data mioa701_keypad_info = { |
236 | .matrix_key_rows = 3, | |
237 | .matrix_key_cols = 3, | |
0a085a94 | 238 | .matrix_keymap_data = &mioa701_matrix_keymap_data, |
eda6f6ec RJ |
239 | }; |
240 | ||
241 | /* | |
242 | * GPIO Key Configuration | |
243 | */ | |
244 | #define MIO_KEY(key, _gpio, _desc, _wakeup) \ | |
245 | { .code = (key), .gpio = (_gpio), .active_low = 0, \ | |
246 | .desc = (_desc), .type = EV_KEY, .wakeup = (_wakeup) } | |
247 | static struct gpio_keys_button mioa701_button_table[] = { | |
248 | MIO_KEY(KEY_EXIT, GPIO0_KEY_POWER, "Power button", 1), | |
249 | MIO_KEY(KEY_VOLUMEUP, GPIO93_KEY_VOLUME_UP, "Volume up", 0), | |
250 | MIO_KEY(KEY_VOLUMEDOWN, GPIO94_KEY_VOLUME_DOWN, "Volume down", 0), | |
251 | MIO_KEY(KEY_HP, GPIO12_HPJACK_INSERT, "HP jack detect", 0) | |
252 | }; | |
253 | ||
254 | static struct gpio_keys_platform_data mioa701_gpio_keys_data = { | |
255 | .buttons = mioa701_button_table, | |
256 | .nbuttons = ARRAY_SIZE(mioa701_button_table), | |
257 | }; | |
258 | ||
259 | /* | |
260 | * Leds and vibrator | |
261 | */ | |
262 | #define ONE_LED(_gpio, _name) \ | |
263 | { .gpio = (_gpio), .name = (_name), .active_low = true } | |
264 | static struct gpio_led gpio_leds[] = { | |
265 | ONE_LED(GPIO10_LED_nCharging, "mioa701:charging"), | |
266 | ONE_LED(GPIO97_LED_nBlue, "mioa701:blue"), | |
267 | ONE_LED(GPIO98_LED_nOrange, "mioa701:orange"), | |
268 | ONE_LED(GPIO82_LED_nVibra, "mioa701:vibra"), | |
269 | ONE_LED(GPIO115_LED_nKeyboard, "mioa701:keyboard") | |
270 | }; | |
271 | ||
272 | static struct gpio_led_platform_data gpio_led_info = { | |
273 | .leds = gpio_leds, | |
274 | .num_leds = ARRAY_SIZE(gpio_leds), | |
275 | }; | |
276 | ||
277 | /* | |
278 | * GSM Sagem XS200 chip | |
279 | * | |
280 | * GSM handling was purged from kernel. For history, this is the way to go : | |
281 | * - init : GPIO24_GSM_MOD_RESET_CMD = 0, GPIO114_GSM_nMOD_DTE_UART_STATE = 1 | |
282 | * GPIO88_GSM_nMOD_ON_CMD = 1, GPIO90_GSM_nMOD_OFF_CMD = 1 | |
283 | * - reset : GPIO24_GSM_MOD_RESET_CMD = 1, msleep(100), | |
284 | * GPIO24_GSM_MOD_RESET_CMD = 0 | |
285 | * - turn on : GPIO88_GSM_nMOD_ON_CMD = 0, msleep(1000), | |
286 | * GPIO88_GSM_nMOD_ON_CMD = 1 | |
287 | * - turn off : GPIO90_GSM_nMOD_OFF_CMD = 0, msleep(1000), | |
288 | * GPIO90_GSM_nMOD_OFF_CMD = 1 | |
289 | */ | |
290 | static int is_gsm_on(void) | |
291 | { | |
292 | int is_on; | |
293 | ||
294 | is_on = !!gpio_get_value(GPIO25_GSM_MOD_ON_STATE); | |
295 | return is_on; | |
296 | } | |
297 | ||
298 | irqreturn_t gsm_on_irq(int irq, void *p) | |
299 | { | |
300 | printk(KERN_DEBUG "Mioa701: GSM status changed to %s\n", | |
301 | is_gsm_on() ? "on" : "off"); | |
302 | return IRQ_HANDLED; | |
303 | } | |
304 | ||
4c738b25 PZ |
305 | static struct gpio gsm_gpios[] = { |
306 | { GPIO25_GSM_MOD_ON_STATE, GPIOF_IN, "GSM state" }, | |
307 | { GPIO113_GSM_EVENT, GPIOF_IN, "GSM event" }, | |
eda6f6ec RJ |
308 | }; |
309 | ||
310 | static int __init gsm_init(void) | |
311 | { | |
312 | int rc; | |
313 | ||
4c738b25 | 314 | rc = gpio_request_array(ARRAY_AND_SIZE(gsm_gpios)); |
eda6f6ec RJ |
315 | if (rc) |
316 | goto err_gpio; | |
317 | rc = request_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), gsm_on_irq, | |
318 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, | |
319 | "GSM XS200 Power Irq", NULL); | |
320 | if (rc) | |
321 | goto err_irq; | |
322 | ||
323 | gpio_set_wake(GPIO113_GSM_EVENT, 1); | |
324 | return 0; | |
325 | ||
326 | err_irq: | |
327 | printk(KERN_ERR "Mioa701: Can't request GSM_ON irq\n"); | |
4c738b25 | 328 | gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); |
eda6f6ec RJ |
329 | err_gpio: |
330 | printk(KERN_ERR "Mioa701: gsm not available\n"); | |
331 | return rc; | |
332 | } | |
333 | ||
334 | static void gsm_exit(void) | |
335 | { | |
336 | free_irq(gpio_to_irq(GPIO25_GSM_MOD_ON_STATE), NULL); | |
4c738b25 | 337 | gpio_free_array(ARRAY_AND_SIZE(gsm_gpios)); |
eda6f6ec RJ |
338 | } |
339 | ||
340 | /* | |
341 | * Bluetooth BRF6150 chip | |
342 | * | |
343 | * BT handling was purged from kernel. For history, this is the way to go : | |
344 | * - turn on : GPIO83_BT_ON = 1 | |
345 | * - turn off : GPIO83_BT_ON = 0 | |
346 | */ | |
347 | ||
348 | /* | |
349 | * GPS Sirf Star III chip | |
350 | * | |
351 | * GPS handling was purged from kernel. For history, this is the way to go : | |
352 | * - init : GPIO23_GPS_UNKNOWN1 = 1, GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
353 | * GPIO106_GPS_UNKNOWN2 = 0, GPIO107_GPS_UNKNOWN3 = 0 | |
354 | * - turn on : GPIO27_GPS_RESET = 1, GPIO26_GPS_ON = 1 | |
355 | * - turn off : GPIO26_GPS_ON = 0, GPIO27_GPS_RESET = 0 | |
356 | */ | |
357 | ||
358 | /* | |
359 | * USB UDC | |
360 | */ | |
eda6f6ec RJ |
361 | static int is_usb_connected(void) |
362 | { | |
c96763d4 | 363 | return !gpio_get_value(GPIO13_nUSB_DETECT); |
eda6f6ec RJ |
364 | } |
365 | ||
366 | static struct pxa2xx_udc_mach_info mioa701_udc_info = { | |
367 | .udc_is_connected = is_usb_connected, | |
cefdb2a4 | 368 | .gpio_pullup = GPIO22_USB_ENABLE, |
eda6f6ec RJ |
369 | }; |
370 | ||
689b4feb RJ |
371 | struct gpio_vbus_mach_info gpio_vbus_data = { |
372 | .gpio_vbus = GPIO13_nUSB_DETECT, | |
373 | .gpio_vbus_inverted = 1, | |
374 | .gpio_pullup = -1, | |
375 | }; | |
376 | ||
eda6f6ec RJ |
377 | /* |
378 | * SDIO/MMC Card controller | |
379 | */ | |
eda6f6ec RJ |
380 | /** |
381 | * The card detect interrupt isn't debounced so we delay it by 250ms | |
382 | * to give the card a chance to fully insert/eject. | |
383 | */ | |
eda6f6ec | 384 | static struct pxamci_platform_data mioa701_mci_info = { |
f97cab28 | 385 | .detect_delay_ms = 250, |
7a648256 | 386 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
eda6f6ec RJ |
387 | }; |
388 | ||
32d15448 LW |
389 | static struct gpiod_lookup_table mioa701_mci_gpio_table = { |
390 | .dev_id = "pxa2xx-mci.0", | |
391 | .table = { | |
392 | /* Card detect on GPIO 15 */ | |
393 | GPIO_LOOKUP("gpio-pxa", GPIO15_SDIO_INSERT, | |
394 | "cd", GPIO_ACTIVE_LOW), | |
395 | /* Write protect on GPIO 78 */ | |
396 | GPIO_LOOKUP("gpio-pxa", GPIO78_SDIO_RO, | |
397 | "wp", GPIO_ACTIVE_LOW), | |
f54005b5 LW |
398 | /* Power on GPIO 91 */ |
399 | GPIO_LOOKUP("gpio-pxa", GPIO91_SDIO_EN, | |
400 | "power", GPIO_ACTIVE_HIGH), | |
32d15448 LW |
401 | { }, |
402 | }, | |
403 | }; | |
404 | ||
eda6f6ec | 405 | /* FlashRAM */ |
43a90877 | 406 | static struct resource docg3_resource = { |
eda6f6ec | 407 | .start = PXA_CS0_PHYS, |
43a90877 | 408 | .end = PXA_CS0_PHYS + SZ_8K - 1, |
eda6f6ec RJ |
409 | .flags = IORESOURCE_MEM, |
410 | }; | |
411 | ||
43a90877 RJ |
412 | static struct platform_device docg3 = { |
413 | .name = "docg3", | |
eda6f6ec | 414 | .id = -1, |
43a90877 | 415 | .resource = &docg3_resource, |
eda6f6ec RJ |
416 | .num_resources = 1, |
417 | .dev = { | |
43a90877 | 418 | .platform_data = NULL, |
eda6f6ec RJ |
419 | }, |
420 | }; | |
421 | ||
422 | /* | |
423 | * Suspend/Resume bootstrap management | |
424 | * | |
25985edc | 425 | * MIO A701 reboot sequence is highly ROM dependent. From the one dissassembled, |
eda6f6ec RJ |
426 | * this sequence is as follows : |
427 | * - disables interrupts | |
428 | * - initialize SDRAM (self refresh RAM into active RAM) | |
429 | * - initialize GPIOs (depends on value at 0xa020b020) | |
430 | * - initialize coprossessors | |
431 | * - if edge detect on PWR_SCL(GPIO3), then proceed to cold start | |
432 | * - or if value at 0xa020b000 not equal to 0x0f0f0f0f, proceed to cold start | |
433 | * - else do a resume, ie. jump to addr 0xa0100000 | |
434 | */ | |
435 | #define RESUME_ENABLE_ADDR 0xa020b000 | |
436 | #define RESUME_ENABLE_VAL 0x0f0f0f0f | |
437 | #define RESUME_BT_ADDR 0xa020b020 | |
438 | #define RESUME_UNKNOWN_ADDR 0xa020b024 | |
439 | #define RESUME_VECTOR_ADDR 0xa0100000 | |
440 | #define BOOTSTRAP_WORDS mioa701_bootstrap_lg/4 | |
441 | ||
442 | static u32 *save_buffer; | |
443 | ||
444 | static void install_bootstrap(void) | |
445 | { | |
446 | int i; | |
447 | u32 *rom_bootstrap = phys_to_virt(RESUME_VECTOR_ADDR); | |
448 | u32 *src = &mioa701_bootstrap; | |
449 | ||
450 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
451 | rom_bootstrap[i] = src[i]; | |
452 | } | |
453 | ||
454 | ||
2eaa03b5 | 455 | static int mioa701_sys_suspend(void) |
eda6f6ec RJ |
456 | { |
457 | int i = 0, is_bt_on; | |
458 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
459 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
460 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
461 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
462 | ||
463 | /* Devices prepare suspend */ | |
844c6f6a | 464 | is_bt_on = !!gpio_get_value(GPIO83_BT_ON); |
eda6f6ec RJ |
465 | pxa2xx_mfp_set_lpm(GPIO83_BT_ON, |
466 | is_bt_on ? MFP_LPM_DRIVE_HIGH : MFP_LPM_DRIVE_LOW); | |
467 | ||
468 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
469 | save_buffer[i] = mem_resume_vector[i]; | |
470 | save_buffer[i++] = *mem_resume_enabler; | |
471 | save_buffer[i++] = *mem_resume_bt; | |
472 | save_buffer[i++] = *mem_resume_unknown; | |
473 | ||
474 | *mem_resume_enabler = RESUME_ENABLE_VAL; | |
475 | *mem_resume_bt = is_bt_on; | |
476 | ||
477 | install_bootstrap(); | |
478 | return 0; | |
479 | } | |
480 | ||
2eaa03b5 | 481 | static void mioa701_sys_resume(void) |
eda6f6ec RJ |
482 | { |
483 | int i = 0; | |
484 | u32 *mem_resume_vector = phys_to_virt(RESUME_VECTOR_ADDR); | |
485 | u32 *mem_resume_enabler = phys_to_virt(RESUME_ENABLE_ADDR); | |
486 | u32 *mem_resume_bt = phys_to_virt(RESUME_BT_ADDR); | |
487 | u32 *mem_resume_unknown = phys_to_virt(RESUME_UNKNOWN_ADDR); | |
488 | ||
489 | for (i = 0; i < BOOTSTRAP_WORDS; i++) | |
490 | mem_resume_vector[i] = save_buffer[i]; | |
491 | *mem_resume_enabler = save_buffer[i++]; | |
492 | *mem_resume_bt = save_buffer[i++]; | |
493 | *mem_resume_unknown = save_buffer[i++]; | |
eda6f6ec RJ |
494 | } |
495 | ||
2eaa03b5 RW |
496 | static struct syscore_ops mioa701_syscore_ops = { |
497 | .suspend = mioa701_sys_suspend, | |
498 | .resume = mioa701_sys_resume, | |
eda6f6ec RJ |
499 | }; |
500 | ||
501 | static int __init bootstrap_init(void) | |
502 | { | |
eda6f6ec RJ |
503 | int save_size = mioa701_bootstrap_lg + (sizeof(u32) * 3); |
504 | ||
2eaa03b5 | 505 | register_syscore_ops(&mioa701_syscore_ops); |
eda6f6ec RJ |
506 | |
507 | save_buffer = kmalloc(save_size, GFP_KERNEL); | |
508 | if (!save_buffer) | |
509 | return -ENOMEM; | |
510 | printk(KERN_INFO "MioA701: allocated %d bytes for bootstrap\n", | |
511 | save_size); | |
512 | return 0; | |
513 | } | |
514 | ||
515 | static void bootstrap_exit(void) | |
516 | { | |
517 | kfree(save_buffer); | |
2eaa03b5 | 518 | unregister_syscore_ops(&mioa701_syscore_ops); |
eda6f6ec RJ |
519 | |
520 | printk(KERN_CRIT "Unregistering mioa701 suspend will hang next" | |
521 | "resume !!!\n"); | |
522 | } | |
523 | ||
524 | /* | |
525 | * Power Supply | |
526 | */ | |
527 | static char *supplicants[] = { | |
528 | "mioa701_battery" | |
529 | }; | |
530 | ||
4aa89f97 RJ |
531 | static int is_ac_connected(void) |
532 | { | |
533 | return gpio_get_value(GPIO96_AC_DETECT); | |
534 | } | |
535 | ||
eda6f6ec RJ |
536 | static void mioa701_set_charge(int flags) |
537 | { | |
c96763d4 | 538 | gpio_set_value(GPIO9_CHARGE_EN, (flags == PDA_POWER_CHARGE_USB)); |
eda6f6ec RJ |
539 | } |
540 | ||
541 | static struct pda_power_pdata power_pdata = { | |
4aa89f97 RJ |
542 | .is_ac_online = is_ac_connected, |
543 | .is_usb_online = is_usb_connected, | |
eda6f6ec RJ |
544 | .set_charge = mioa701_set_charge, |
545 | .supplied_to = supplicants, | |
546 | .num_supplicants = ARRAY_SIZE(supplicants), | |
547 | }; | |
548 | ||
549 | static struct resource power_resources[] = { | |
550 | [0] = { | |
551 | .name = "ac", | |
4929f5a8 HZ |
552 | .start = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), |
553 | .end = PXA_GPIO_TO_IRQ(GPIO96_AC_DETECT), | |
4aa89f97 RJ |
554 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
555 | IORESOURCE_IRQ_LOWEDGE, | |
556 | }, | |
557 | [1] = { | |
558 | .name = "usb", | |
4929f5a8 HZ |
559 | .start = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), |
560 | .end = PXA_GPIO_TO_IRQ(GPIO13_nUSB_DETECT), | |
eda6f6ec RJ |
561 | .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE | |
562 | IORESOURCE_IRQ_LOWEDGE, | |
563 | }, | |
564 | }; | |
565 | ||
566 | static struct platform_device power_dev = { | |
567 | .name = "pda-power", | |
568 | .id = -1, | |
569 | .resource = power_resources, | |
570 | .num_resources = ARRAY_SIZE(power_resources), | |
571 | .dev = { | |
572 | .platform_data = &power_pdata, | |
573 | }, | |
574 | }; | |
575 | ||
241cf473 | 576 | static struct wm97xx_batt_pdata mioa701_battery_data = { |
4aa89f97 RJ |
577 | .batt_aux = WM97XX_AUX_ID1, |
578 | .temp_aux = -1, | |
579 | .charge_gpio = -1, | |
580 | .min_voltage = 0xc00, | |
581 | .max_voltage = 0xfc0, | |
582 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, | |
583 | .batt_div = 1, | |
584 | .batt_mult = 1, | |
585 | .batt_name = "mioa701_battery", | |
eda6f6ec RJ |
586 | }; |
587 | ||
241cf473 MV |
588 | static struct wm97xx_pdata mioa701_wm97xx_pdata = { |
589 | .batt_pdata = &mioa701_battery_data, | |
590 | }; | |
591 | ||
9752e148 RJ |
592 | /* |
593 | * Voltage regulation | |
594 | */ | |
595 | static struct regulator_consumer_supply max1586_consumers[] = { | |
0bf189ab | 596 | REGULATOR_SUPPLY("vcc_core", NULL), |
9752e148 RJ |
597 | }; |
598 | ||
599 | static struct regulator_init_data max1586_v3_info = { | |
600 | .constraints = { | |
601 | .name = "vcc_core range", | |
602 | .min_uV = 1000000, | |
603 | .max_uV = 1705000, | |
604 | .always_on = 1, | |
605 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | |
606 | }, | |
607 | .num_consumer_supplies = ARRAY_SIZE(max1586_consumers), | |
608 | .consumer_supplies = max1586_consumers, | |
609 | }; | |
610 | ||
611 | static struct max1586_subdev_data max1586_subdevs[] = { | |
612 | { .name = "vcc_core", .id = MAX1586_V3, | |
613 | .platform_data = &max1586_v3_info }, | |
614 | }; | |
615 | ||
616 | static struct max1586_platform_data max1586_info = { | |
617 | .subdevs = max1586_subdevs, | |
618 | .num_subdevs = ARRAY_SIZE(max1586_subdevs), | |
e567b74c | 619 | .v3_gain = MAX1586_GAIN_NO_R24, /* 700..1475 mV */ |
9752e148 RJ |
620 | }; |
621 | ||
8e7ccddf RJ |
622 | /* |
623 | * Camera interface | |
624 | */ | |
625 | struct pxacamera_platform_data mioa701_pxacamera_platform_data = { | |
626 | .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | | |
627 | PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, | |
628 | .mclk_10khz = 5000, | |
4ebfcdee RJ |
629 | .sensor_i2c_adapter_id = 0, |
630 | .sensor_i2c_address = 0x5d, | |
eda6f6ec RJ |
631 | }; |
632 | ||
9752e148 RJ |
633 | static struct i2c_board_info __initdata mioa701_pi2c_devices[] = { |
634 | { | |
635 | I2C_BOARD_INFO("max1586", 0x14), | |
636 | .platform_data = &max1586_info, | |
637 | }, | |
638 | }; | |
639 | ||
8e7ccddf | 640 | /* Board I2C devices. */ |
8dbed71a | 641 | static struct i2c_board_info mioa701_i2c_devices[] = { |
8e7ccddf | 642 | { |
8e7ccddf | 643 | I2C_BOARD_INFO("mt9m111", 0x5d), |
eda6f6ec | 644 | }, |
eda6f6ec RJ |
645 | }; |
646 | ||
8e7ccddf RJ |
647 | struct i2c_pxa_platform_data i2c_pdata = { |
648 | .fast_mode = 1, | |
649 | }; | |
eda6f6ec | 650 | |
cc8d2730 RJ |
651 | static pxa2xx_audio_ops_t mioa701_ac97_info = { |
652 | .reset_gpio = 95, | |
241cf473 | 653 | .codec_pdata = { &mioa701_wm97xx_pdata, }, |
cc8d2730 RJ |
654 | }; |
655 | ||
eda6f6ec RJ |
656 | /* |
657 | * Mio global | |
658 | */ | |
659 | ||
660 | /* Devices */ | |
661 | #define MIO_PARENT_DEV(var, strname, tparent, pdata) \ | |
662 | static struct platform_device var = { \ | |
663 | .name = strname, \ | |
664 | .id = -1, \ | |
665 | .dev = { \ | |
666 | .platform_data = pdata, \ | |
667 | .parent = tparent, \ | |
668 | }, \ | |
669 | }; | |
670 | #define MIO_SIMPLE_DEV(var, strname, pdata) \ | |
671 | MIO_PARENT_DEV(var, strname, NULL, pdata) | |
672 | ||
673 | MIO_SIMPLE_DEV(mioa701_gpio_keys, "gpio-keys", &mioa701_gpio_keys_data) | |
674 | MIO_PARENT_DEV(mioa701_backlight, "pwm-backlight", &pxa27x_device_pwm0.dev, | |
675 | &mioa701_backlight_data); | |
676 | MIO_SIMPLE_DEV(mioa701_led, "leds-gpio", &gpio_led_info) | |
677 | MIO_SIMPLE_DEV(pxa2xx_pcm, "pxa2xx-pcm", NULL) | |
eda6f6ec RJ |
678 | MIO_SIMPLE_DEV(mioa701_sound, "mioa701-wm9713", NULL) |
679 | MIO_SIMPLE_DEV(mioa701_board, "mioa701-board", NULL) | |
689b4feb | 680 | MIO_SIMPLE_DEV(gpio_vbus, "gpio-vbus", &gpio_vbus_data); |
eda6f6ec RJ |
681 | |
682 | static struct platform_device *devices[] __initdata = { | |
683 | &mioa701_gpio_keys, | |
684 | &mioa701_backlight, | |
685 | &mioa701_led, | |
686 | &pxa2xx_pcm, | |
eda6f6ec RJ |
687 | &mioa701_sound, |
688 | &power_dev, | |
43a90877 | 689 | &docg3, |
689b4feb RJ |
690 | &gpio_vbus, |
691 | &mioa701_board, | |
eda6f6ec RJ |
692 | }; |
693 | ||
694 | static void mioa701_machine_exit(void); | |
695 | ||
696 | static void mioa701_poweroff(void) | |
697 | { | |
698 | mioa701_machine_exit(); | |
7b6d864b | 699 | pxa_restart(REBOOT_SOFT, NULL); |
eda6f6ec RJ |
700 | } |
701 | ||
7b6d864b | 702 | static void mioa701_restart(enum reboot_mode c, const char *cmd) |
eda6f6ec RJ |
703 | { |
704 | mioa701_machine_exit(); | |
7b6d864b | 705 | pxa_restart(REBOOT_SOFT, cmd); |
eda6f6ec RJ |
706 | } |
707 | ||
4c738b25 PZ |
708 | static struct gpio global_gpios[] = { |
709 | { GPIO9_CHARGE_EN, GPIOF_OUT_INIT_HIGH, "Charger enable" }, | |
710 | { GPIO18_POWEROFF, GPIOF_OUT_INIT_LOW, "Power Off" }, | |
711 | { GPIO87_LCD_POWER, GPIOF_OUT_INIT_LOW, "LCD Power" }, | |
c2219e4d | 712 | { GPIO56_MT9M111_nOE, GPIOF_OUT_INIT_LOW, "Camera nOE" }, |
eda6f6ec RJ |
713 | }; |
714 | ||
902e6a0c TR |
715 | static struct regulator_consumer_supply fixed_5v0_consumers[] = { |
716 | REGULATOR_SUPPLY("power", "pwm-backlight"), | |
717 | }; | |
718 | ||
eda6f6ec RJ |
719 | static void __init mioa701_machine_init(void) |
720 | { | |
4c738b25 PZ |
721 | int rc; |
722 | ||
eda6f6ec RJ |
723 | PSLR = 0xff100000; /* SYSDEL=125ms, PWRDEL=125ms, PSLR_SL_ROD=1 */ |
724 | PCFR = PCFR_DC_EN | PCFR_GPR_EN | PCFR_OPDE; | |
725 | RTTR = 32768 - 1; /* Reset crazy WinCE value */ | |
726 | UP2OCR = UP2OCR_HXOE; | |
727 | ||
43a90877 RJ |
728 | /* |
729 | * Set up the flash memory : DiskOnChip G3 on first static memory bank | |
730 | */ | |
731 | __raw_writel(0x7ff02dd8, MSC0); | |
732 | __raw_writel(0x0001c391, MCMEM0); | |
733 | __raw_writel(0x0001c391, MCATT0); | |
734 | __raw_writel(0x0001c391, MCIO0); | |
735 | ||
736 | ||
eda6f6ec | 737 | pxa2xx_mfp_config(ARRAY_AND_SIZE(mioa701_pin_config)); |
cc155c6f RK |
738 | pxa_set_ffuart_info(NULL); |
739 | pxa_set_btuart_info(NULL); | |
740 | pxa_set_stuart_info(NULL); | |
4c738b25 PZ |
741 | rc = gpio_request_array(ARRAY_AND_SIZE(global_gpios)); |
742 | if (rc) | |
743 | pr_err("MioA701: Failed to request GPIOs: %d", rc); | |
eda6f6ec | 744 | bootstrap_init(); |
4321e1a1 | 745 | pxa_set_fb_info(NULL, &mioa701_pxafb_info); |
32d15448 | 746 | gpiod_add_lookup_table(&mioa701_mci_gpio_table); |
eda6f6ec RJ |
747 | pxa_set_mci_info(&mioa701_mci_info); |
748 | pxa_set_keypad_info(&mioa701_keypad_info); | |
cefdb2a4 | 749 | pxa_set_udc_info(&mioa701_udc_info); |
cc8d2730 | 750 | pxa_set_ac97_info(&mioa701_ac97_info); |
eda6f6ec | 751 | pm_power_off = mioa701_poweroff; |
64c644a4 | 752 | pwm_add_table(mioa701_pwm_lookup, ARRAY_SIZE(mioa701_pwm_lookup)); |
eda6f6ec RJ |
753 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
754 | gsm_init(); | |
8e7ccddf | 755 | |
4ebfcdee | 756 | i2c_register_board_info(0, ARRAY_AND_SIZE(mioa701_i2c_devices)); |
9752e148 | 757 | i2c_register_board_info(1, ARRAY_AND_SIZE(mioa701_pi2c_devices)); |
8e7ccddf | 758 | pxa_set_i2c_info(&i2c_pdata); |
9752e148 | 759 | pxa27x_set_i2c_power_info(NULL); |
8e7ccddf | 760 | pxa_set_camera_info(&mioa701_pxacamera_platform_data); |
902e6a0c TR |
761 | |
762 | regulator_register_always_on(0, "fixed-5.0V", fixed_5v0_consumers, | |
763 | ARRAY_SIZE(fixed_5v0_consumers), | |
764 | 5000000); | |
4ebfcdee | 765 | regulator_has_full_constraints(); |
eda6f6ec RJ |
766 | } |
767 | ||
768 | static void mioa701_machine_exit(void) | |
769 | { | |
eda6f6ec RJ |
770 | bootstrap_exit(); |
771 | gsm_exit(); | |
772 | } | |
773 | ||
774 | MACHINE_START(MIOA701, "MIO A701") | |
7375aba6 | 775 | .atag_offset = 0x100, |
851982c1 | 776 | .map_io = &pxa27x_map_io, |
4e611091 | 777 | .nr_irqs = PXA_NR_IRQS, |
eda6f6ec | 778 | .init_irq = &pxa27x_init_irq, |
8a97ae2f | 779 | .handle_irq = &pxa27x_handle_irq, |
eda6f6ec | 780 | .init_machine = mioa701_machine_init, |
6bb27d73 | 781 | .init_time = pxa_timer_init, |
271a74fc | 782 | .restart = mioa701_restart, |
eda6f6ec | 783 | MACHINE_END |