2 * Common code for Palm LD, T5, TX, Z72
4 * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
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.
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.h>
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>
25 #include <linux/platform_data/i2c-pxa.h>
27 #include <asm/mach-types.h>
28 #include <asm/mach/arch.h>
29 #include <asm/mach/map.h>
32 #include <mach/audio.h>
33 #include <linux/platform_data/mmc-pxamci.h>
34 #include <linux/platform_data/video-pxafb.h>
35 #include <linux/platform_data/irda-pxaficp.h>
37 #include <linux/platform_data/asoc-palm27x.h>
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,
52 void __init palm27x_mmc_init(struct gpiod_lookup_table *gtable)
55 gpiod_add_lookup_table(gtable);
56 pxa_set_mci_info(&palm27x_mci_platform_data);
60 /******************************************************************************
61 * Power management - standby
62 ******************************************************************************/
63 #if defined(CONFIG_SUSPEND)
64 void __init palm27x_pm_init(unsigned long str_base)
66 static const unsigned long resume[] = {
67 0xe3a00101, /* mov r0, #0x40000000 */
68 0xe380060f, /* orr r0, r0, #0x00f00000 */
69 0xe590f008, /* ldr pc, [r0, #0x08] */
73 * Copy the bootloader.
74 * NOTE: PalmZ72 uses a different wakeup method!
76 memcpy(phys_to_virt(str_base), resume, sizeof(resume));
80 /******************************************************************************
82 ******************************************************************************/
83 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
84 struct pxafb_mode_info palm_320x480_lcd_mode = {
99 struct pxafb_mode_info palm_320x320_lcd_mode = {
114 struct pxafb_mode_info palm_320x320_new_lcd_mode = {
129 static struct pxafb_mach_info palm27x_lcd_screen = {
131 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
134 static int palm27x_lcd_power;
135 static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
137 gpio_set_value(palm27x_lcd_power, on);
140 void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
142 palm27x_lcd_screen.modes = mode;
144 if (gpio_is_valid(power)) {
145 if (!gpio_request(power, "LCD power")) {
146 pr_err("Palm27x: failed to claim lcd power gpio!\n");
149 if (!gpio_direction_output(power, 1)) {
150 pr_err("Palm27x: lcd power configuration failed!\n");
153 palm27x_lcd_power = power;
154 palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
157 pxa_set_fb_info(NULL, &palm27x_lcd_screen);
161 /******************************************************************************
163 ******************************************************************************/
164 #if defined(CONFIG_USB_PXA27X) || \
165 defined(CONFIG_USB_PXA27X_MODULE)
166 static struct gpio_vbus_mach_info palm27x_udc_info = {
167 .gpio_vbus_inverted = 1,
170 static struct platform_device palm27x_gpio_vbus = {
174 .platform_data = &palm27x_udc_info,
178 void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
180 palm27x_udc_info.gpio_vbus = vbus;
181 palm27x_udc_info.gpio_pullup = pullup;
183 palm27x_udc_info.gpio_vbus_inverted = vbus_inverted;
185 if (!gpio_request(pullup, "USB Pullup")) {
186 gpio_direction_output(pullup,
187 palm27x_udc_info.gpio_vbus_inverted);
192 platform_device_register(&palm27x_gpio_vbus);
196 /******************************************************************************
198 ******************************************************************************/
199 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
200 static struct pxaficp_platform_data palm27x_ficp_platform_data = {
201 .transceiver_cap = IR_SIRMODE | IR_OFF,
204 void __init palm27x_irda_init(int pwdn)
206 palm27x_ficp_platform_data.gpio_pwdown = pwdn;
207 pxa_set_ficp_info(&palm27x_ficp_platform_data);
211 /******************************************************************************
212 * WM97xx audio, battery
213 ******************************************************************************/
214 #if defined(CONFIG_TOUCHSCREEN_WM97XX) || \
215 defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
216 static struct wm97xx_batt_pdata palm27x_batt_pdata = {
217 .batt_aux = WM97XX_AUX_ID3,
218 .temp_aux = WM97XX_AUX_ID2,
224 .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
225 .batt_name = "main-batt",
228 static struct wm97xx_pdata palm27x_wm97xx_pdata = {
229 .batt_pdata = &palm27x_batt_pdata,
232 static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
233 .codec_pdata = { &palm27x_wm97xx_pdata, },
236 static struct palm27x_asoc_info palm27x_asoc_pdata = {
240 static struct platform_device palm27x_asoc = {
241 .name = "palm27x-asoc",
244 .platform_data = &palm27x_asoc_pdata,
248 void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
250 palm27x_ac97_pdata.reset_gpio = reset;
251 palm27x_asoc_pdata.jack_gpio = jack;
253 if (minv < 0 || maxv < 0) {
254 palm27x_ac97_pdata.codec_pdata[0] = NULL;
255 pxa_set_ac97_info(&palm27x_ac97_pdata);
257 palm27x_batt_pdata.min_voltage = minv,
258 palm27x_batt_pdata.max_voltage = maxv,
260 pxa_set_ac97_info(&palm27x_ac97_pdata);
261 platform_device_register(&palm27x_asoc);
266 /******************************************************************************
268 ******************************************************************************/
269 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
270 static struct pwm_lookup palm27x_pwm_lookup[] = {
271 PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 3500 * 1024,
272 PWM_POLARITY_NORMAL),
275 static int palm_bl_power;
276 static int palm_lcd_power;
278 static int palm27x_backlight_init(struct device *dev)
282 ret = gpio_request(palm_bl_power, "BL POWER");
285 ret = gpio_direction_output(palm_bl_power, 0);
289 if (gpio_is_valid(palm_lcd_power)) {
290 ret = gpio_request(palm_lcd_power, "LCD POWER");
293 ret = gpio_direction_output(palm_lcd_power, 0);
300 gpio_free(palm_lcd_power);
302 gpio_free(palm_bl_power);
307 static int palm27x_backlight_notify(struct device *dev, int brightness)
309 gpio_set_value(palm_bl_power, brightness);
310 if (gpio_is_valid(palm_lcd_power))
311 gpio_set_value(palm_lcd_power, brightness);
315 static void palm27x_backlight_exit(struct device *dev)
317 gpio_free(palm_bl_power);
318 if (gpio_is_valid(palm_lcd_power))
319 gpio_free(palm_lcd_power);
322 static struct platform_pwm_backlight_data palm27x_backlight_data = {
323 .max_brightness = 0xfe,
324 .dft_brightness = 0x7e,
326 .init = palm27x_backlight_init,
327 .notify = palm27x_backlight_notify,
328 .exit = palm27x_backlight_exit,
331 static struct platform_device palm27x_backlight = {
332 .name = "pwm-backlight",
334 .parent = &pxa27x_device_pwm0.dev,
335 .platform_data = &palm27x_backlight_data,
339 void __init palm27x_pwm_init(int bl, int lcd)
342 palm_lcd_power = lcd;
343 pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
344 platform_device_register(&palm27x_backlight);
348 /******************************************************************************
350 ******************************************************************************/
351 #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
352 static int palm_ac_state;
353 static int palm_usb_state;
355 static int palm27x_power_supply_init(struct device *dev)
359 ret = gpio_request(palm_ac_state, "AC state");
362 ret = gpio_direction_input(palm_ac_state);
366 if (gpio_is_valid(palm_usb_state)) {
367 ret = gpio_request(palm_usb_state, "USB state");
370 ret = gpio_direction_input(palm_usb_state);
377 gpio_free(palm_usb_state);
379 gpio_free(palm_ac_state);
384 static void palm27x_power_supply_exit(struct device *dev)
386 gpio_free(palm_usb_state);
387 gpio_free(palm_ac_state);
390 static int palm27x_is_ac_online(void)
392 return gpio_get_value(palm_ac_state);
395 static int palm27x_is_usb_online(void)
397 return !gpio_get_value(palm_usb_state);
399 static char *palm27x_supplicants[] = {
403 static struct pda_power_pdata palm27x_ps_info = {
404 .init = palm27x_power_supply_init,
405 .exit = palm27x_power_supply_exit,
406 .is_ac_online = palm27x_is_ac_online,
407 .is_usb_online = palm27x_is_usb_online,
408 .supplied_to = palm27x_supplicants,
409 .num_supplicants = ARRAY_SIZE(palm27x_supplicants),
412 static struct platform_device palm27x_power_supply = {
416 .platform_data = &palm27x_ps_info,
420 void __init palm27x_power_init(int ac, int usb)
423 palm_usb_state = usb;
424 platform_device_register(&palm27x_power_supply);
428 /******************************************************************************
429 * Core power regulator
430 ******************************************************************************/
431 #if defined(CONFIG_REGULATOR_MAX1586) || \
432 defined(CONFIG_REGULATOR_MAX1586_MODULE)
433 static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
434 REGULATOR_SUPPLY("vcc_core", NULL),
437 static struct regulator_init_data palm27x_max1587a_v3_info = {
439 .name = "vcc_core range",
443 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
445 .consumer_supplies = palm27x_max1587a_consumers,
446 .num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers),
449 static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
453 .platform_data = &palm27x_max1587a_v3_info,
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 */
463 static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
465 I2C_BOARD_INFO("max1586", 0x14),
466 .platform_data = &palm27x_max1587a_info,
470 static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
474 void __init palm27x_pmic_init(void)
476 i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
477 pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);