1/* 2 * Common code for Palm LD, T5, TX, Z72 3 * 4 * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com> 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> 24#include <linux/i2c/pxa-i2c.h> 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 <linux/platform_data/mmc-pxamci.h> 33#include <linux/platform_data/video-pxafb.h> 34#include <linux/platform_data/irda-pxaficp.h> 35#include <mach/udc.h> 36#include <linux/platform_data/asoc-palm27x.h> 37#include <mach/palm27x.h> 38 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) 46static 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 51void __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) 67void __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) 87struct 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 102struct 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 117struct 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 132static struct pxafb_mach_info palm27x_lcd_screen = { 133 .num_modes = 1, 134 .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, 135}; 136 137static int palm27x_lcd_power; 138static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info) 139{ 140 gpio_set_value(palm27x_lcd_power, on); 141} 142 143void __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 } 159 160 pxa_set_fb_info(NULL, &palm27x_lcd_screen); 161} 162#endif 163 164/****************************************************************************** 165 * USB Gadget 166 ******************************************************************************/ 167#if defined(CONFIG_USB_PXA27X) || \ 168 defined(CONFIG_USB_PXA27X_MODULE) 169static struct gpio_vbus_mach_info palm27x_udc_info = { 170 .gpio_vbus_inverted = 1, 171}; 172 173static struct platform_device palm27x_gpio_vbus = { 174 .name = "gpio-vbus", 175 .id = -1, 176 .dev = { 177 .platform_data = &palm27x_udc_info, 178 }, 179}; 180 181void __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) 203static struct pxaficp_platform_data palm27x_ficp_platform_data = { 204 .transceiver_cap = IR_SIRMODE | IR_OFF, 205}; 206 207void __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) 219static 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 231static struct wm97xx_pdata palm27x_wm97xx_pdata = { 232 .batt_pdata = &palm27x_batt_pdata, 233}; 234 235static pxa2xx_audio_ops_t palm27x_ac97_pdata = { 236 .codec_pdata = { &palm27x_wm97xx_pdata, }, 237}; 238 239static struct palm27x_asoc_info palm27x_asoc_pdata = { 240 .jack_gpio = -1, 241}; 242 243static struct platform_device palm27x_asoc = { 244 .name = "palm27x-asoc", 245 .id = -1, 246 .dev = { 247 .platform_data = &palm27x_asoc_pdata, 248 }, 249}; 250 251void __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) 273static int palm_bl_power; 274static int palm_lcd_power; 275 276static 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; 297err3: 298 gpio_free(palm_lcd_power); 299err2: 300 gpio_free(palm_bl_power); 301err: 302 return ret; 303} 304 305static 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 313static 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 320static struct platform_pwm_backlight_data palm27x_backlight_data = { 321 .pwm_id = 0, 322 .max_brightness = 0xfe, 323 .dft_brightness = 0x7e, 324 .pwm_period_ns = 3500 * 1024, 325 .enable_gpio = -1, 326 .init = palm27x_backlight_init, 327 .notify = palm27x_backlight_notify, 328 .exit = palm27x_backlight_exit, 329}; 330 331static struct platform_device palm27x_backlight = { 332 .name = "pwm-backlight", 333 .dev = { 334 .parent = &pxa27x_device_pwm0.dev, 335 .platform_data = &palm27x_backlight_data, 336 }, 337}; 338 339void __init palm27x_pwm_init(int bl, int lcd) 340{ 341 palm_bl_power = bl; 342 palm_lcd_power = lcd; 343 platform_device_register(&palm27x_backlight); 344} 345#endif 346 347/****************************************************************************** 348 * Power supply 349 ******************************************************************************/ 350#if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE) 351static int palm_ac_state; 352static int palm_usb_state; 353 354static int palm27x_power_supply_init(struct device *dev) 355{ 356 int ret; 357 358 ret = gpio_request(palm_ac_state, "AC state"); 359 if (ret) 360 goto err1; 361 ret = gpio_direction_input(palm_ac_state); 362 if (ret) 363 goto err2; 364 365 if (gpio_is_valid(palm_usb_state)) { 366 ret = gpio_request(palm_usb_state, "USB state"); 367 if (ret) 368 goto err2; 369 ret = gpio_direction_input(palm_usb_state); 370 if (ret) 371 goto err3; 372 } 373 374 return 0; 375err3: 376 gpio_free(palm_usb_state); 377err2: 378 gpio_free(palm_ac_state); 379err1: 380 return ret; 381} 382 383static void palm27x_power_supply_exit(struct device *dev) 384{ 385 gpio_free(palm_usb_state); 386 gpio_free(palm_ac_state); 387} 388 389static int palm27x_is_ac_online(void) 390{ 391 return gpio_get_value(palm_ac_state); 392} 393 394static int palm27x_is_usb_online(void) 395{ 396 return !gpio_get_value(palm_usb_state); 397} 398static char *palm27x_supplicants[] = { 399 "main-battery", 400}; 401 402static struct pda_power_pdata palm27x_ps_info = { 403 .init = palm27x_power_supply_init, 404 .exit = palm27x_power_supply_exit, 405 .is_ac_online = palm27x_is_ac_online, 406 .is_usb_online = palm27x_is_usb_online, 407 .supplied_to = palm27x_supplicants, 408 .num_supplicants = ARRAY_SIZE(palm27x_supplicants), 409}; 410 411static struct platform_device palm27x_power_supply = { 412 .name = "pda-power", 413 .id = -1, 414 .dev = { 415 .platform_data = &palm27x_ps_info, 416 }, 417}; 418 419void __init palm27x_power_init(int ac, int usb) 420{ 421 palm_ac_state = ac; 422 palm_usb_state = usb; 423 platform_device_register(&palm27x_power_supply); 424} 425#endif 426 427/****************************************************************************** 428 * Core power regulator 429 ******************************************************************************/ 430#if defined(CONFIG_REGULATOR_MAX1586) || \ 431 defined(CONFIG_REGULATOR_MAX1586_MODULE) 432static struct regulator_consumer_supply palm27x_max1587a_consumers[] = { 433 REGULATOR_SUPPLY("vcc_core", NULL), 434}; 435 436static struct regulator_init_data palm27x_max1587a_v3_info = { 437 .constraints = { 438 .name = "vcc_core range", 439 .min_uV = 900000, 440 .max_uV = 1705000, 441 .always_on = 1, 442 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, 443 }, 444 .consumer_supplies = palm27x_max1587a_consumers, 445 .num_consumer_supplies = ARRAY_SIZE(palm27x_max1587a_consumers), 446}; 447 448static struct max1586_subdev_data palm27x_max1587a_subdevs[] = { 449 { 450 .name = "vcc_core", 451 .id = MAX1586_V3, 452 .platform_data = &palm27x_max1587a_v3_info, 453 } 454}; 455 456static struct max1586_platform_data palm27x_max1587a_info = { 457 .subdevs = palm27x_max1587a_subdevs, 458 .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs), 459 .v3_gain = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */ 460}; 461 462static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = { 463 { 464 I2C_BOARD_INFO("max1586", 0x14), 465 .platform_data = &palm27x_max1587a_info, 466 }, 467}; 468 469static struct i2c_pxa_platform_data palm27x_i2c_power_info = { 470 .use_pio = 1, 471}; 472 473void __init palm27x_pmic_init(void) 474{ 475 i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info)); 476 pxa27x_set_i2c_power_info(&palm27x_i2c_power_info); 477} 478#endif 479