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95045947 MV |
1 | /* |
2 | * Common code for Palm LD, T5, TX, Z72 | |
3 | * | |
9ed3fbf1 | 4 | * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com> |
95045947 MV |
5 | * |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/platform_device.h> | |
13 | #include <linux/delay.h> | |
14 | #include <linux/irq.h> | |
15 | #include <linux/gpio_keys.h> | |
16 | #include <linux/input.h> | |
17 | #include <linux/pda_power.h> | |
e2d5b780 | 18 | #include <linux/pwm.h> |
95045947 MV |
19 | #include <linux/pwm_backlight.h> |
20 | #include <linux/gpio.h> | |
21 | #include <linux/wm97xx.h> | |
22 | #include <linux/power_supply.h> | |
23 | #include <linux/usb/gpio_vbus.h> | |
24 | #include <linux/regulator/max1586.h> | |
b459396e | 25 | #include <linux/i2c/pxa-i2c.h> |
95045947 MV |
26 | |
27 | #include <asm/mach-types.h> | |
28 | #include <asm/mach/arch.h> | |
29 | #include <asm/mach/map.h> | |
30 | ||
31 | #include <mach/pxa27x.h> | |
32 | #include <mach/audio.h> | |
293b2da1 AB |
33 | #include <linux/platform_data/mmc-pxamci.h> |
34 | #include <linux/platform_data/video-pxafb.h> | |
35 | #include <linux/platform_data/irda-pxaficp.h> | |
95045947 | 36 | #include <mach/udc.h> |
293b2da1 | 37 | #include <linux/platform_data/asoc-palm27x.h> |
95045947 MV |
38 | #include <mach/palm27x.h> |
39 | ||
95045947 MV |
40 | #include "generic.h" |
41 | #include "devices.h" | |
42 | ||
43 | /****************************************************************************** | |
44 | * SD/MMC card controller | |
45 | ******************************************************************************/ | |
46 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) | |
47 | static struct pxamci_platform_data palm27x_mci_platform_data = { | |
48 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
49 | .detect_delay_ms = 200, | |
50 | }; | |
51 | ||
52 | void __init palm27x_mmc_init(int detect, int ro, int power, | |
53 | int power_inverted) | |
54 | { | |
55 | palm27x_mci_platform_data.gpio_card_detect = detect; | |
56 | palm27x_mci_platform_data.gpio_card_ro = ro; | |
57 | palm27x_mci_platform_data.gpio_power = power; | |
58 | palm27x_mci_platform_data.gpio_power_invert = power_inverted; | |
59 | ||
60 | pxa_set_mci_info(&palm27x_mci_platform_data); | |
61 | } | |
62 | #endif | |
63 | ||
64 | /****************************************************************************** | |
65 | * Power management - standby | |
66 | ******************************************************************************/ | |
67 | #if defined(CONFIG_SUSPEND) | |
68 | void __init palm27x_pm_init(unsigned long str_base) | |
69 | { | |
70 | static const unsigned long resume[] = { | |
71 | 0xe3a00101, /* mov r0, #0x40000000 */ | |
72 | 0xe380060f, /* orr r0, r0, #0x00f00000 */ | |
73 | 0xe590f008, /* ldr pc, [r0, #0x08] */ | |
74 | }; | |
75 | ||
76 | /* | |
77 | * Copy the bootloader. | |
78 | * NOTE: PalmZ72 uses a different wakeup method! | |
79 | */ | |
80 | memcpy(phys_to_virt(str_base), resume, sizeof(resume)); | |
81 | } | |
82 | #endif | |
83 | ||
84 | /****************************************************************************** | |
85 | * Framebuffer | |
86 | ******************************************************************************/ | |
87 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) | |
88 | struct pxafb_mode_info palm_320x480_lcd_mode = { | |
89 | .pixclock = 57692, | |
90 | .xres = 320, | |
91 | .yres = 480, | |
92 | .bpp = 16, | |
93 | ||
94 | .left_margin = 32, | |
95 | .right_margin = 1, | |
96 | .upper_margin = 7, | |
97 | .lower_margin = 1, | |
98 | ||
99 | .hsync_len = 4, | |
100 | .vsync_len = 1, | |
101 | }; | |
102 | ||
103 | struct pxafb_mode_info palm_320x320_lcd_mode = { | |
104 | .pixclock = 115384, | |
105 | .xres = 320, | |
106 | .yres = 320, | |
107 | .bpp = 16, | |
108 | ||
109 | .left_margin = 27, | |
110 | .right_margin = 7, | |
111 | .upper_margin = 7, | |
112 | .lower_margin = 8, | |
113 | ||
114 | .hsync_len = 6, | |
115 | .vsync_len = 1, | |
116 | }; | |
117 | ||
118 | struct pxafb_mode_info palm_320x320_new_lcd_mode = { | |
119 | .pixclock = 86538, | |
120 | .xres = 320, | |
121 | .yres = 320, | |
122 | .bpp = 16, | |
123 | ||
124 | .left_margin = 20, | |
125 | .right_margin = 8, | |
126 | .upper_margin = 8, | |
127 | .lower_margin = 5, | |
128 | ||
129 | .hsync_len = 4, | |
130 | .vsync_len = 1, | |
131 | }; | |
132 | ||
133 | static struct pxafb_mach_info palm27x_lcd_screen = { | |
134 | .num_modes = 1, | |
135 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
136 | }; | |
137 | ||
138 | static int palm27x_lcd_power; | |
139 | static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info) | |
140 | { | |
141 | gpio_set_value(palm27x_lcd_power, on); | |
142 | } | |
143 | ||
144 | void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode) | |
145 | { | |
146 | palm27x_lcd_screen.modes = mode; | |
147 | ||
148 | if (gpio_is_valid(power)) { | |
149 | if (!gpio_request(power, "LCD power")) { | |
150 | pr_err("Palm27x: failed to claim lcd power gpio!\n"); | |
151 | return; | |
152 | } | |
153 | if (!gpio_direction_output(power, 1)) { | |
154 | pr_err("Palm27x: lcd power configuration failed!\n"); | |
155 | return; | |
156 | } | |
157 | palm27x_lcd_power = power; | |
158 | palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl; | |
159 | } | |
160 | ||
4321e1a1 | 161 | pxa_set_fb_info(NULL, &palm27x_lcd_screen); |
95045947 MV |
162 | } |
163 | #endif | |
164 | ||
165 | /****************************************************************************** | |
166 | * USB Gadget | |
167 | ******************************************************************************/ | |
c0a39151 HZ |
168 | #if defined(CONFIG_USB_PXA27X) || \ |
169 | defined(CONFIG_USB_PXA27X_MODULE) | |
95045947 MV |
170 | static struct gpio_vbus_mach_info palm27x_udc_info = { |
171 | .gpio_vbus_inverted = 1, | |
172 | }; | |
173 | ||
174 | static struct platform_device palm27x_gpio_vbus = { | |
175 | .name = "gpio-vbus", | |
176 | .id = -1, | |
177 | .dev = { | |
178 | .platform_data = &palm27x_udc_info, | |
179 | }, | |
180 | }; | |
181 | ||
182 | void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted) | |
183 | { | |
184 | palm27x_udc_info.gpio_vbus = vbus; | |
185 | palm27x_udc_info.gpio_pullup = pullup; | |
186 | ||
187 | palm27x_udc_info.gpio_vbus_inverted = vbus_inverted; | |
188 | ||
189 | if (!gpio_request(pullup, "USB Pullup")) { | |
190 | gpio_direction_output(pullup, | |
191 | palm27x_udc_info.gpio_vbus_inverted); | |
192 | gpio_free(pullup); | |
193 | } else | |
194 | return; | |
195 | ||
196 | platform_device_register(&palm27x_gpio_vbus); | |
197 | } | |
198 | #endif | |
199 | ||
200 | /****************************************************************************** | |
201 | * IrDA | |
202 | ******************************************************************************/ | |
203 | #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) | |
204 | static struct pxaficp_platform_data palm27x_ficp_platform_data = { | |
205 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
206 | }; | |
207 | ||
208 | void __init palm27x_irda_init(int pwdn) | |
209 | { | |
210 | palm27x_ficp_platform_data.gpio_pwdown = pwdn; | |
211 | pxa_set_ficp_info(&palm27x_ficp_platform_data); | |
212 | } | |
213 | #endif | |
214 | ||
215 | /****************************************************************************** | |
216 | * WM97xx audio, battery | |
217 | ******************************************************************************/ | |
218 | #if defined(CONFIG_TOUCHSCREEN_WM97XX) || \ | |
219 | defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE) | |
220 | static struct wm97xx_batt_pdata palm27x_batt_pdata = { | |
221 | .batt_aux = WM97XX_AUX_ID3, | |
222 | .temp_aux = WM97XX_AUX_ID2, | |
223 | .charge_gpio = -1, | |
224 | .batt_mult = 1000, | |
225 | .batt_div = 414, | |
226 | .temp_mult = 1, | |
227 | .temp_div = 1, | |
228 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, | |
229 | .batt_name = "main-batt", | |
230 | }; | |
231 | ||
232 | static struct wm97xx_pdata palm27x_wm97xx_pdata = { | |
233 | .batt_pdata = &palm27x_batt_pdata, | |
234 | }; | |
235 | ||
236 | static pxa2xx_audio_ops_t palm27x_ac97_pdata = { | |
237 | .codec_pdata = { &palm27x_wm97xx_pdata, }, | |
238 | }; | |
239 | ||
240 | static struct palm27x_asoc_info palm27x_asoc_pdata = { | |
241 | .jack_gpio = -1, | |
242 | }; | |
243 | ||
244 | static struct platform_device palm27x_asoc = { | |
245 | .name = "palm27x-asoc", | |
246 | .id = -1, | |
247 | .dev = { | |
248 | .platform_data = &palm27x_asoc_pdata, | |
249 | }, | |
250 | }; | |
251 | ||
252 | void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset) | |
253 | { | |
254 | palm27x_ac97_pdata.reset_gpio = reset; | |
255 | palm27x_asoc_pdata.jack_gpio = jack; | |
256 | ||
257 | if (minv < 0 || maxv < 0) { | |
258 | palm27x_ac97_pdata.codec_pdata[0] = NULL; | |
259 | pxa_set_ac97_info(&palm27x_ac97_pdata); | |
260 | } else { | |
261 | palm27x_batt_pdata.min_voltage = minv, | |
262 | palm27x_batt_pdata.max_voltage = maxv, | |
263 | ||
264 | pxa_set_ac97_info(&palm27x_ac97_pdata); | |
265 | platform_device_register(&palm27x_asoc); | |
266 | } | |
267 | } | |
268 | #endif | |
269 | ||
270 | /****************************************************************************** | |
271 | * Backlight | |
272 | ******************************************************************************/ | |
273 | #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) | |
e2d5b780 TR |
274 | static struct pwm_lookup palm27x_pwm_lookup[] = { |
275 | PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 3500 * 1024, | |
276 | PWM_POLARITY_NORMAL), | |
277 | }; | |
278 | ||
95045947 MV |
279 | static int palm_bl_power; |
280 | static int palm_lcd_power; | |
281 | ||
282 | static int palm27x_backlight_init(struct device *dev) | |
283 | { | |
284 | int ret; | |
285 | ||
286 | ret = gpio_request(palm_bl_power, "BL POWER"); | |
287 | if (ret) | |
288 | goto err; | |
289 | ret = gpio_direction_output(palm_bl_power, 0); | |
290 | if (ret) | |
291 | goto err2; | |
292 | ||
293 | if (gpio_is_valid(palm_lcd_power)) { | |
294 | ret = gpio_request(palm_lcd_power, "LCD POWER"); | |
295 | if (ret) | |
296 | goto err2; | |
297 | ret = gpio_direction_output(palm_lcd_power, 0); | |
298 | if (ret) | |
299 | goto err3; | |
300 | } | |
301 | ||
302 | return 0; | |
303 | err3: | |
304 | gpio_free(palm_lcd_power); | |
305 | err2: | |
306 | gpio_free(palm_bl_power); | |
307 | err: | |
308 | return ret; | |
309 | } | |
310 | ||
311 | static int palm27x_backlight_notify(struct device *dev, int brightness) | |
312 | { | |
313 | gpio_set_value(palm_bl_power, brightness); | |
314 | if (gpio_is_valid(palm_lcd_power)) | |
315 | gpio_set_value(palm_lcd_power, brightness); | |
316 | return brightness; | |
317 | } | |
318 | ||
319 | static void palm27x_backlight_exit(struct device *dev) | |
320 | { | |
321 | gpio_free(palm_bl_power); | |
322 | if (gpio_is_valid(palm_lcd_power)) | |
323 | gpio_free(palm_lcd_power); | |
324 | } | |
325 | ||
326 | static struct platform_pwm_backlight_data palm27x_backlight_data = { | |
95045947 MV |
327 | .max_brightness = 0xfe, |
328 | .dft_brightness = 0x7e, | |
db01120c | 329 | .enable_gpio = -1, |
95045947 MV |
330 | .init = palm27x_backlight_init, |
331 | .notify = palm27x_backlight_notify, | |
332 | .exit = palm27x_backlight_exit, | |
333 | }; | |
334 | ||
335 | static struct platform_device palm27x_backlight = { | |
336 | .name = "pwm-backlight", | |
337 | .dev = { | |
338 | .parent = &pxa27x_device_pwm0.dev, | |
339 | .platform_data = &palm27x_backlight_data, | |
340 | }, | |
341 | }; | |
342 | ||
343 | void __init palm27x_pwm_init(int bl, int lcd) | |
344 | { | |
345 | palm_bl_power = bl; | |
346 | palm_lcd_power = lcd; | |
ca1ef9ce | 347 | pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup)); |
95045947 MV |
348 | platform_device_register(&palm27x_backlight); |
349 | } | |
350 | #endif | |
351 | ||
352 | /****************************************************************************** | |
353 | * Power supply | |
354 | ******************************************************************************/ | |
355 | #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE) | |
356 | static int palm_ac_state; | |
357 | static int palm_usb_state; | |
358 | ||
359 | static int palm27x_power_supply_init(struct device *dev) | |
360 | { | |
361 | int ret; | |
362 | ||
363 | ret = gpio_request(palm_ac_state, "AC state"); | |
364 | if (ret) | |
365 | goto err1; | |
366 | ret = gpio_direction_input(palm_ac_state); | |
367 | if (ret) | |
368 | goto err2; | |
369 | ||
370 | if (gpio_is_valid(palm_usb_state)) { | |
371 | ret = gpio_request(palm_usb_state, "USB state"); | |
372 | if (ret) | |
373 | goto err2; | |
374 | ret = gpio_direction_input(palm_usb_state); | |
375 | if (ret) | |
376 | goto err3; | |
377 | } | |
378 | ||
379 | return 0; | |
380 | err3: | |
381 | gpio_free(palm_usb_state); | |
382 | err2: | |
383 | gpio_free(palm_ac_state); | |
384 | err1: | |
385 | return ret; | |
386 | } | |
387 | ||
388 | static void palm27x_power_supply_exit(struct device *dev) | |
389 | { | |
390 | gpio_free(palm_usb_state); | |
391 | gpio_free(palm_ac_state); | |
392 | } | |
393 | ||
394 | static int palm27x_is_ac_online(void) | |
395 | { | |
396 | return gpio_get_value(palm_ac_state); | |
397 | } | |
398 | ||
399 | static int palm27x_is_usb_online(void) | |
400 | { | |
401 | return !gpio_get_value(palm_usb_state); | |
402 | } | |
403 | static char *palm27x_supplicants[] = { | |
404 | "main-battery", | |
405 | }; | |
406 | ||
407 | static struct pda_power_pdata palm27x_ps_info = { | |
408 | .init = palm27x_power_supply_init, | |
409 | .exit = palm27x_power_supply_exit, | |
410 | .is_ac_online = palm27x_is_ac_online, | |
411 | .is_usb_online = palm27x_is_usb_online, | |
412 | .supplied_to = palm27x_supplicants, | |
413 | .num_supplicants = ARRAY_SIZE(palm27x_supplicants), | |
414 | }; | |
415 | ||
416 | static struct platform_device palm27x_power_supply = { | |
417 | .name = "pda-power", | |
418 | .id = -1, | |
419 | .dev = { | |
420 | .platform_data = &palm27x_ps_info, | |
421 | }, | |
422 | }; | |
423 | ||
424 | void __init palm27x_power_init(int ac, int usb) | |
425 | { | |
426 | palm_ac_state = ac; | |
427 | palm_usb_state = usb; | |
428 | platform_device_register(&palm27x_power_supply); | |
429 | } | |
430 | #endif | |
431 | ||
432 | /****************************************************************************** | |
433 | * Core power regulator | |
434 | ******************************************************************************/ | |
435 | #if defined(CONFIG_REGULATOR_MAX1586) || \ | |
436 | defined(CONFIG_REGULATOR_MAX1586_MODULE) | |
437 | static struct regulator_consumer_supply palm27x_max1587a_consumers[] = { | |
0bf189ab | 438 | REGULATOR_SUPPLY("vcc_core", NULL), |
95045947 MV |
439 | }; |
440 | ||
441 | static struct regulator_init_data palm27x_max1587a_v3_info = { | |
442 | .constraints = { | |
443 | .name = "vcc_core range", | |
444 | .min_uV = 900000, | |
445 | .max_uV = 1705000, | |
446 | .always_on = 1, | |
447 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | |
448 | }, | |
449 | .consumer_supplies = palm27x_max1587a_consumers, | |
450 | .num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers), | |
451 | }; | |
452 | ||
453 | static struct max1586_subdev_data palm27x_max1587a_subdevs[] = { | |
454 | { | |
455 | .name = "vcc_core", | |
456 | .id = MAX1586_V3, | |
457 | .platform_data = &palm27x_max1587a_v3_info, | |
458 | } | |
459 | }; | |
460 | ||
461 | static struct max1586_platform_data palm27x_max1587a_info = { | |
462 | .subdevs = palm27x_max1587a_subdevs, | |
463 | .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs), | |
464 | .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ | |
465 | }; | |
466 | ||
467 | static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = { | |
468 | { | |
469 | I2C_BOARD_INFO("max1586", 0x14), | |
470 | .platform_data = &palm27x_max1587a_info, | |
471 | }, | |
472 | }; | |
473 | ||
cf625368 MV |
474 | static struct i2c_pxa_platform_data palm27x_i2c_power_info = { |
475 | .use_pio = 1, | |
476 | }; | |
477 | ||
95045947 MV |
478 | void __init palm27x_pmic_init(void) |
479 | { | |
480 | i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info)); | |
cf625368 | 481 | pxa27x_set_i2c_power_info(&palm27x_i2c_power_info); |
95045947 MV |
482 | } |
483 | #endif |