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Marek Vasut95045942010-07-13 14:08:57 +02001/*
2 * Common code for Palm LD, T5, TX, Z72
3 *
Marek Vasut9ed3fbf2011-01-15 19:22:19 +01004 * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
Marek Vasut95045942010-07-13 14:08:57 +02005 *
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>
Thierry Redinge2d5b782015-10-05 10:49:49 +020018#include <linux/pwm.h>
Marek Vasut95045942010-07-13 14:08:57 +020019#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>
Sebastian Andrzej Siewiorb4593962011-02-23 12:38:16 +010025#include <linux/i2c/pxa-i2c.h>
Marek Vasut95045942010-07-13 14:08:57 +020026
27#include <asm/mach-types.h>
28#include <asm/mach/arch.h>
29#include <asm/mach/map.h>
30
Arnd Bergmann4c25c5d2015-01-30 10:45:33 +010031#include "pxa27x.h"
Marek Vasut95045942010-07-13 14:08:57 +020032#include <mach/audio.h>
Arnd Bergmann293b2da2012-08-24 15:16:48 +020033#include <linux/platform_data/mmc-pxamci.h>
34#include <linux/platform_data/video-pxafb.h>
35#include <linux/platform_data/irda-pxaficp.h>
Arnd Bergmann4c25c5d2015-01-30 10:45:33 +010036#include "udc.h"
Arnd Bergmann293b2da2012-08-24 15:16:48 +020037#include <linux/platform_data/asoc-palm27x.h>
Arnd Bergmann4c25c5d2015-01-30 10:45:33 +010038#include "palm27x.h"
Marek Vasut95045942010-07-13 14:08:57 +020039
Marek Vasut95045942010-07-13 14:08:57 +020040#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)
47static 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
52void __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)
68void __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)
88struct 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
103struct 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
118struct 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
133static struct pxafb_mach_info palm27x_lcd_screen = {
134 .num_modes = 1,
135 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
136};
137
138static int palm27x_lcd_power;
139static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
140{
141 gpio_set_value(palm27x_lcd_power, on);
142}
143
144void __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
Russell King - ARM Linux4321e1a2011-02-15 15:37:30 +0800161 pxa_set_fb_info(NULL, &palm27x_lcd_screen);
Marek Vasut95045942010-07-13 14:08:57 +0200162}
163#endif
164
165/******************************************************************************
166 * USB Gadget
167 ******************************************************************************/
Haojian Zhuangc0a39152011-11-10 07:13:07 +0800168#if defined(CONFIG_USB_PXA27X) || \
169 defined(CONFIG_USB_PXA27X_MODULE)
Marek Vasut95045942010-07-13 14:08:57 +0200170static struct gpio_vbus_mach_info palm27x_udc_info = {
171 .gpio_vbus_inverted = 1,
172};
173
174static struct platform_device palm27x_gpio_vbus = {
175 .name = "gpio-vbus",
176 .id = -1,
177 .dev = {
178 .platform_data = &palm27x_udc_info,
179 },
180};
181
182void __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)
204static struct pxaficp_platform_data palm27x_ficp_platform_data = {
205 .transceiver_cap = IR_SIRMODE | IR_OFF,
206};
207
208void __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)
220static 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
232static struct wm97xx_pdata palm27x_wm97xx_pdata = {
233 .batt_pdata = &palm27x_batt_pdata,
234};
235
236static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
237 .codec_pdata = { &palm27x_wm97xx_pdata, },
238};
239
240static struct palm27x_asoc_info palm27x_asoc_pdata = {
241 .jack_gpio = -1,
242};
243
244static struct platform_device palm27x_asoc = {
245 .name = "palm27x-asoc",
246 .id = -1,
247 .dev = {
248 .platform_data = &palm27x_asoc_pdata,
249 },
250};
251
252void __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)
Thierry Redinge2d5b782015-10-05 10:49:49 +0200274static 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
Marek Vasut95045942010-07-13 14:08:57 +0200279static int palm_bl_power;
280static int palm_lcd_power;
281
282static 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;
303err3:
304 gpio_free(palm_lcd_power);
305err2:
306 gpio_free(palm_bl_power);
307err:
308 return ret;
309}
310
311static 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
319static 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
326static struct platform_pwm_backlight_data palm27x_backlight_data = {
Marek Vasut95045942010-07-13 14:08:57 +0200327 .max_brightness = 0xfe,
328 .dft_brightness = 0x7e,
Thierry Redingdb011202013-08-30 12:15:24 +0200329 .enable_gpio = -1,
Marek Vasut95045942010-07-13 14:08:57 +0200330 .init = palm27x_backlight_init,
331 .notify = palm27x_backlight_notify,
332 .exit = palm27x_backlight_exit,
333};
334
335static 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
343void __init palm27x_pwm_init(int bl, int lcd)
344{
345 palm_bl_power = bl;
346 palm_lcd_power = lcd;
Thierry Redingca1ef9c2015-11-03 14:05:57 +0100347 pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
Marek Vasut95045942010-07-13 14:08:57 +0200348 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)
356static int palm_ac_state;
357static int palm_usb_state;
358
359static 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;
380err3:
381 gpio_free(palm_usb_state);
382err2:
383 gpio_free(palm_ac_state);
384err1:
385 return ret;
386}
387
388static void palm27x_power_supply_exit(struct device *dev)
389{
390 gpio_free(palm_usb_state);
391 gpio_free(palm_ac_state);
392}
393
394static int palm27x_is_ac_online(void)
395{
396 return gpio_get_value(palm_ac_state);
397}
398
399static int palm27x_is_usb_online(void)
400{
401 return !gpio_get_value(palm_usb_state);
402}
403static char *palm27x_supplicants[] = {
404 "main-battery",
405};
406
407static 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
416static struct platform_device palm27x_power_supply = {
417 .name = "pda-power",
418 .id = -1,
419 .dev = {
420 .platform_data = &palm27x_ps_info,
421 },
422};
423
424void __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)
437static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
Axel Lin0bf189a2012-05-08 16:25:10 +0800438 REGULATOR_SUPPLY("vcc_core", NULL),
Marek Vasut95045942010-07-13 14:08:57 +0200439};
440
441static 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
453static 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
461static 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
467static 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
Marek Vasutcf625362010-08-14 06:08:30 +0200474static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
475 .use_pio = 1,
476};
477
Marek Vasut95045942010-07-13 14:08:57 +0200478void __init palm27x_pmic_init(void)
479{
480 i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
Marek Vasutcf625362010-08-14 06:08:30 +0200481 pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
Marek Vasut95045942010-07-13 14:08:57 +0200482}
483#endif