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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> | |
18 | #include <linux/pwm_backlight.h> | |
19 | #include <linux/gpio.h> | |
20 | #include <linux/wm97xx.h> | |
21 | #include <linux/power_supply.h> | |
22 | #include <linux/usb/gpio_vbus.h> | |
23 | #include <linux/regulator/max1586.h> | |
b459396e | 24 | #include <linux/i2c/pxa-i2c.h> |
95045947 MV |
25 | |
26 | #include <asm/mach-types.h> | |
27 | #include <asm/mach/arch.h> | |
28 | #include <asm/mach/map.h> | |
29 | ||
30 | #include <mach/pxa27x.h> | |
31 | #include <mach/audio.h> | |
32 | #include <mach/mmc.h> | |
33 | #include <mach/pxafb.h> | |
34 | #include <mach/irda.h> | |
35 | #include <mach/udc.h> | |
36 | #include <mach/palmasoc.h> | |
37 | #include <mach/palm27x.h> | |
38 | ||
95045947 MV |
39 | #include "generic.h" |
40 | #include "devices.h" | |
41 | ||
42 | /****************************************************************************** | |
43 | * SD/MMC card controller | |
44 | ******************************************************************************/ | |
45 | #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE) | |
46 | static struct pxamci_platform_data palm27x_mci_platform_data = { | |
47 | .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, | |
48 | .detect_delay_ms = 200, | |
49 | }; | |
50 | ||
51 | void __init palm27x_mmc_init(int detect, int ro, int power, | |
52 | int power_inverted) | |
53 | { | |
54 | palm27x_mci_platform_data.gpio_card_detect = detect; | |
55 | palm27x_mci_platform_data.gpio_card_ro = ro; | |
56 | palm27x_mci_platform_data.gpio_power = power; | |
57 | palm27x_mci_platform_data.gpio_power_invert = power_inverted; | |
58 | ||
59 | pxa_set_mci_info(&palm27x_mci_platform_data); | |
60 | } | |
61 | #endif | |
62 | ||
63 | /****************************************************************************** | |
64 | * Power management - standby | |
65 | ******************************************************************************/ | |
66 | #if defined(CONFIG_SUSPEND) | |
67 | void __init palm27x_pm_init(unsigned long str_base) | |
68 | { | |
69 | static const unsigned long resume[] = { | |
70 | 0xe3a00101, /* mov r0, #0x40000000 */ | |
71 | 0xe380060f, /* orr r0, r0, #0x00f00000 */ | |
72 | 0xe590f008, /* ldr pc, [r0, #0x08] */ | |
73 | }; | |
74 | ||
75 | /* | |
76 | * Copy the bootloader. | |
77 | * NOTE: PalmZ72 uses a different wakeup method! | |
78 | */ | |
79 | memcpy(phys_to_virt(str_base), resume, sizeof(resume)); | |
80 | } | |
81 | #endif | |
82 | ||
83 | /****************************************************************************** | |
84 | * Framebuffer | |
85 | ******************************************************************************/ | |
86 | #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) | |
87 | struct pxafb_mode_info palm_320x480_lcd_mode = { | |
88 | .pixclock = 57692, | |
89 | .xres = 320, | |
90 | .yres = 480, | |
91 | .bpp = 16, | |
92 | ||
93 | .left_margin = 32, | |
94 | .right_margin = 1, | |
95 | .upper_margin = 7, | |
96 | .lower_margin = 1, | |
97 | ||
98 | .hsync_len = 4, | |
99 | .vsync_len = 1, | |
100 | }; | |
101 | ||
102 | struct pxafb_mode_info palm_320x320_lcd_mode = { | |
103 | .pixclock = 115384, | |
104 | .xres = 320, | |
105 | .yres = 320, | |
106 | .bpp = 16, | |
107 | ||
108 | .left_margin = 27, | |
109 | .right_margin = 7, | |
110 | .upper_margin = 7, | |
111 | .lower_margin = 8, | |
112 | ||
113 | .hsync_len = 6, | |
114 | .vsync_len = 1, | |
115 | }; | |
116 | ||
117 | struct pxafb_mode_info palm_320x320_new_lcd_mode = { | |
118 | .pixclock = 86538, | |
119 | .xres = 320, | |
120 | .yres = 320, | |
121 | .bpp = 16, | |
122 | ||
123 | .left_margin = 20, | |
124 | .right_margin = 8, | |
125 | .upper_margin = 8, | |
126 | .lower_margin = 5, | |
127 | ||
128 | .hsync_len = 4, | |
129 | .vsync_len = 1, | |
130 | }; | |
131 | ||
132 | static struct pxafb_mach_info palm27x_lcd_screen = { | |
133 | .num_modes = 1, | |
134 | .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, | |
135 | }; | |
136 | ||
137 | static int palm27x_lcd_power; | |
138 | static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info) | |
139 | { | |
140 | gpio_set_value(palm27x_lcd_power, on); | |
141 | } | |
142 | ||
143 | void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode) | |
144 | { | |
145 | palm27x_lcd_screen.modes = mode; | |
146 | ||
147 | if (gpio_is_valid(power)) { | |
148 | if (!gpio_request(power, "LCD power")) { | |
149 | pr_err("Palm27x: failed to claim lcd power gpio!\n"); | |
150 | return; | |
151 | } | |
152 | if (!gpio_direction_output(power, 1)) { | |
153 | pr_err("Palm27x: lcd power configuration failed!\n"); | |
154 | return; | |
155 | } | |
156 | palm27x_lcd_power = power; | |
157 | palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl; | |
158 | } | |
159 | ||
4321e1a1 | 160 | pxa_set_fb_info(NULL, &palm27x_lcd_screen); |
95045947 MV |
161 | } |
162 | #endif | |
163 | ||
164 | /****************************************************************************** | |
165 | * USB Gadget | |
166 | ******************************************************************************/ | |
c0a39151 HZ |
167 | #if defined(CONFIG_USB_PXA27X) || \ |
168 | defined(CONFIG_USB_PXA27X_MODULE) | |
95045947 MV |
169 | static struct gpio_vbus_mach_info palm27x_udc_info = { |
170 | .gpio_vbus_inverted = 1, | |
171 | }; | |
172 | ||
173 | static struct platform_device palm27x_gpio_vbus = { | |
174 | .name = "gpio-vbus", | |
175 | .id = -1, | |
176 | .dev = { | |
177 | .platform_data = &palm27x_udc_info, | |
178 | }, | |
179 | }; | |
180 | ||
181 | void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted) | |
182 | { | |
183 | palm27x_udc_info.gpio_vbus = vbus; | |
184 | palm27x_udc_info.gpio_pullup = pullup; | |
185 | ||
186 | palm27x_udc_info.gpio_vbus_inverted = vbus_inverted; | |
187 | ||
188 | if (!gpio_request(pullup, "USB Pullup")) { | |
189 | gpio_direction_output(pullup, | |
190 | palm27x_udc_info.gpio_vbus_inverted); | |
191 | gpio_free(pullup); | |
192 | } else | |
193 | return; | |
194 | ||
195 | platform_device_register(&palm27x_gpio_vbus); | |
196 | } | |
197 | #endif | |
198 | ||
199 | /****************************************************************************** | |
200 | * IrDA | |
201 | ******************************************************************************/ | |
202 | #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE) | |
203 | static struct pxaficp_platform_data palm27x_ficp_platform_data = { | |
204 | .transceiver_cap = IR_SIRMODE | IR_OFF, | |
205 | }; | |
206 | ||
207 | void __init palm27x_irda_init(int pwdn) | |
208 | { | |
209 | palm27x_ficp_platform_data.gpio_pwdown = pwdn; | |
210 | pxa_set_ficp_info(&palm27x_ficp_platform_data); | |
211 | } | |
212 | #endif | |
213 | ||
214 | /****************************************************************************** | |
215 | * WM97xx audio, battery | |
216 | ******************************************************************************/ | |
217 | #if defined(CONFIG_TOUCHSCREEN_WM97XX) || \ | |
218 | defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE) | |
219 | static struct wm97xx_batt_pdata palm27x_batt_pdata = { | |
220 | .batt_aux = WM97XX_AUX_ID3, | |
221 | .temp_aux = WM97XX_AUX_ID2, | |
222 | .charge_gpio = -1, | |
223 | .batt_mult = 1000, | |
224 | .batt_div = 414, | |
225 | .temp_mult = 1, | |
226 | .temp_div = 1, | |
227 | .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, | |
228 | .batt_name = "main-batt", | |
229 | }; | |
230 | ||
231 | static struct wm97xx_pdata palm27x_wm97xx_pdata = { | |
232 | .batt_pdata = &palm27x_batt_pdata, | |
233 | }; | |
234 | ||
235 | static pxa2xx_audio_ops_t palm27x_ac97_pdata = { | |
236 | .codec_pdata = { &palm27x_wm97xx_pdata, }, | |
237 | }; | |
238 | ||
239 | static struct palm27x_asoc_info palm27x_asoc_pdata = { | |
240 | .jack_gpio = -1, | |
241 | }; | |
242 | ||
243 | static struct platform_device palm27x_asoc = { | |
244 | .name = "palm27x-asoc", | |
245 | .id = -1, | |
246 | .dev = { | |
247 | .platform_data = &palm27x_asoc_pdata, | |
248 | }, | |
249 | }; | |
250 | ||
251 | void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset) | |
252 | { | |
253 | palm27x_ac97_pdata.reset_gpio = reset; | |
254 | palm27x_asoc_pdata.jack_gpio = jack; | |
255 | ||
256 | if (minv < 0 || maxv < 0) { | |
257 | palm27x_ac97_pdata.codec_pdata[0] = NULL; | |
258 | pxa_set_ac97_info(&palm27x_ac97_pdata); | |
259 | } else { | |
260 | palm27x_batt_pdata.min_voltage = minv, | |
261 | palm27x_batt_pdata.max_voltage = maxv, | |
262 | ||
263 | pxa_set_ac97_info(&palm27x_ac97_pdata); | |
264 | platform_device_register(&palm27x_asoc); | |
265 | } | |
266 | } | |
267 | #endif | |
268 | ||
269 | /****************************************************************************** | |
270 | * Backlight | |
271 | ******************************************************************************/ | |
272 | #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE) | |
273 | static int palm_bl_power; | |
274 | static int palm_lcd_power; | |
275 | ||
276 | static int palm27x_backlight_init(struct device *dev) | |
277 | { | |
278 | int ret; | |
279 | ||
280 | ret = gpio_request(palm_bl_power, "BL POWER"); | |
281 | if (ret) | |
282 | goto err; | |
283 | ret = gpio_direction_output(palm_bl_power, 0); | |
284 | if (ret) | |
285 | goto err2; | |
286 | ||
287 | if (gpio_is_valid(palm_lcd_power)) { | |
288 | ret = gpio_request(palm_lcd_power, "LCD POWER"); | |
289 | if (ret) | |
290 | goto err2; | |
291 | ret = gpio_direction_output(palm_lcd_power, 0); | |
292 | if (ret) | |
293 | goto err3; | |
294 | } | |
295 | ||
296 | return 0; | |
297 | err3: | |
298 | gpio_free(palm_lcd_power); | |
299 | err2: | |
300 | gpio_free(palm_bl_power); | |
301 | err: | |
302 | return ret; | |
303 | } | |
304 | ||
305 | static int palm27x_backlight_notify(struct device *dev, int brightness) | |
306 | { | |
307 | gpio_set_value(palm_bl_power, brightness); | |
308 | if (gpio_is_valid(palm_lcd_power)) | |
309 | gpio_set_value(palm_lcd_power, brightness); | |
310 | return brightness; | |
311 | } | |
312 | ||
313 | static void palm27x_backlight_exit(struct device *dev) | |
314 | { | |
315 | gpio_free(palm_bl_power); | |
316 | if (gpio_is_valid(palm_lcd_power)) | |
317 | gpio_free(palm_lcd_power); | |
318 | } | |
319 | ||
320 | static struct platform_pwm_backlight_data palm27x_backlight_data = { | |
321 | .pwm_id = 0, | |
322 | .max_brightness = 0xfe, | |
323 | .dft_brightness = 0x7e, | |
285ca2ee | 324 | .pwm_period_ns = 3500 * 1024, |
95045947 MV |
325 | .init = palm27x_backlight_init, |
326 | .notify = palm27x_backlight_notify, | |
327 | .exit = palm27x_backlight_exit, | |
328 | }; | |
329 | ||
330 | static struct platform_device palm27x_backlight = { | |
331 | .name = "pwm-backlight", | |
332 | .dev = { | |
333 | .parent = &pxa27x_device_pwm0.dev, | |
334 | .platform_data = &palm27x_backlight_data, | |
335 | }, | |
336 | }; | |
337 | ||
338 | void __init palm27x_pwm_init(int bl, int lcd) | |
339 | { | |
340 | palm_bl_power = bl; | |
341 | palm_lcd_power = lcd; | |
342 | platform_device_register(&palm27x_backlight); | |
343 | } | |
344 | #endif | |
345 | ||
346 | /****************************************************************************** | |
347 | * Power supply | |
348 | ******************************************************************************/ | |
349 | #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE) | |
350 | static int palm_ac_state; | |
351 | static int palm_usb_state; | |
352 | ||
353 | static int palm27x_power_supply_init(struct device *dev) | |
354 | { | |
355 | int ret; | |
356 | ||
357 | ret = gpio_request(palm_ac_state, "AC state"); | |
358 | if (ret) | |
359 | goto err1; | |
360 | ret = gpio_direction_input(palm_ac_state); | |
361 | if (ret) | |
362 | goto err2; | |
363 | ||
364 | if (gpio_is_valid(palm_usb_state)) { | |
365 | ret = gpio_request(palm_usb_state, "USB state"); | |
366 | if (ret) | |
367 | goto err2; | |
368 | ret = gpio_direction_input(palm_usb_state); | |
369 | if (ret) | |
370 | goto err3; | |
371 | } | |
372 | ||
373 | return 0; | |
374 | err3: | |
375 | gpio_free(palm_usb_state); | |
376 | err2: | |
377 | gpio_free(palm_ac_state); | |
378 | err1: | |
379 | return ret; | |
380 | } | |
381 | ||
382 | static void palm27x_power_supply_exit(struct device *dev) | |
383 | { | |
384 | gpio_free(palm_usb_state); | |
385 | gpio_free(palm_ac_state); | |
386 | } | |
387 | ||
388 | static int palm27x_is_ac_online(void) | |
389 | { | |
390 | return gpio_get_value(palm_ac_state); | |
391 | } | |
392 | ||
393 | static int palm27x_is_usb_online(void) | |
394 | { | |
395 | return !gpio_get_value(palm_usb_state); | |
396 | } | |
397 | static char *palm27x_supplicants[] = { | |
398 | "main-battery", | |
399 | }; | |
400 | ||
401 | static struct pda_power_pdata palm27x_ps_info = { | |
402 | .init = palm27x_power_supply_init, | |
403 | .exit = palm27x_power_supply_exit, | |
404 | .is_ac_online = palm27x_is_ac_online, | |
405 | .is_usb_online = palm27x_is_usb_online, | |
406 | .supplied_to = palm27x_supplicants, | |
407 | .num_supplicants = ARRAY_SIZE(palm27x_supplicants), | |
408 | }; | |
409 | ||
410 | static struct platform_device palm27x_power_supply = { | |
411 | .name = "pda-power", | |
412 | .id = -1, | |
413 | .dev = { | |
414 | .platform_data = &palm27x_ps_info, | |
415 | }, | |
416 | }; | |
417 | ||
418 | void __init palm27x_power_init(int ac, int usb) | |
419 | { | |
420 | palm_ac_state = ac; | |
421 | palm_usb_state = usb; | |
422 | platform_device_register(&palm27x_power_supply); | |
423 | } | |
424 | #endif | |
425 | ||
426 | /****************************************************************************** | |
427 | * Core power regulator | |
428 | ******************************************************************************/ | |
429 | #if defined(CONFIG_REGULATOR_MAX1586) || \ | |
430 | defined(CONFIG_REGULATOR_MAX1586_MODULE) | |
431 | static struct regulator_consumer_supply palm27x_max1587a_consumers[] = { | |
432 | { | |
433 | .supply = "vcc_core", | |
434 | } | |
435 | }; | |
436 | ||
437 | static struct regulator_init_data palm27x_max1587a_v3_info = { | |
438 | .constraints = { | |
439 | .name = "vcc_core range", | |
440 | .min_uV = 900000, | |
441 | .max_uV = 1705000, | |
442 | .always_on = 1, | |
443 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, | |
444 | }, | |
445 | .consumer_supplies = palm27x_max1587a_consumers, | |
446 | .num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers), | |
447 | }; | |
448 | ||
449 | static struct max1586_subdev_data palm27x_max1587a_subdevs[] = { | |
450 | { | |
451 | .name = "vcc_core", | |
452 | .id = MAX1586_V3, | |
453 | .platform_data = &palm27x_max1587a_v3_info, | |
454 | } | |
455 | }; | |
456 | ||
457 | static struct max1586_platform_data palm27x_max1587a_info = { | |
458 | .subdevs = palm27x_max1587a_subdevs, | |
459 | .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs), | |
460 | .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ | |
461 | }; | |
462 | ||
463 | static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = { | |
464 | { | |
465 | I2C_BOARD_INFO("max1586", 0x14), | |
466 | .platform_data = &palm27x_max1587a_info, | |
467 | }, | |
468 | }; | |
469 | ||
cf625368 MV |
470 | static struct i2c_pxa_platform_data palm27x_i2c_power_info = { |
471 | .use_pio = 1, | |
472 | }; | |
473 | ||
95045947 MV |
474 | void __init palm27x_pmic_init(void) |
475 | { | |
476 | i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info)); | |
cf625368 | 477 | pxa27x_set_i2c_power_info(&palm27x_i2c_power_info); |
95045947 MV |
478 | } |
479 | #endif |