Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Common code for Palm LD, T5, TX, Z72 |
| 3 | * |
Marek Vasut | 9ed3fbf | 2011-01-15 19:22:19 +0100 | [diff] [blame] | 4 | * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com> |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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> |
Thierry Reding | e2d5b78 | 2015-10-05 10:49:49 +0200 | [diff] [blame] | 18 | #include <linux/pwm.h> |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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> |
Sebastian Andrzej Siewior | b459396 | 2011-02-23 12:38:16 +0100 | [diff] [blame] | 25 | #include <linux/i2c/pxa-i2c.h> |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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> |
Arnd Bergmann | 293b2da | 2012-08-24 15:16:48 +0200 | [diff] [blame] | 33 | #include <linux/platform_data/mmc-pxamci.h> |
| 34 | #include <linux/platform_data/video-pxafb.h> |
| 35 | #include <linux/platform_data/irda-pxaficp.h> |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 36 | #include <mach/udc.h> |
Arnd Bergmann | 293b2da | 2012-08-24 15:16:48 +0200 | [diff] [blame] | 37 | #include <linux/platform_data/asoc-palm27x.h> |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 38 | #include <mach/palm27x.h> |
| 39 | |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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 | |
Russell King - ARM Linux | 4321e1a | 2011-02-15 15:37:30 +0800 | [diff] [blame] | 161 | pxa_set_fb_info(NULL, &palm27x_lcd_screen); |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 162 | } |
| 163 | #endif |
| 164 | |
| 165 | /****************************************************************************** |
| 166 | * USB Gadget |
| 167 | ******************************************************************************/ |
Haojian Zhuang | c0a3915 | 2011-11-10 07:13:07 +0800 | [diff] [blame] | 168 | #if defined(CONFIG_USB_PXA27X) || \ |
| 169 | defined(CONFIG_USB_PXA27X_MODULE) |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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) |
Thierry Reding | e2d5b78 | 2015-10-05 10:49:49 +0200 | [diff] [blame] | 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 | |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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 = { |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 327 | .max_brightness = 0xfe, |
| 328 | .dft_brightness = 0x7e, |
Thierry Reding | db01120 | 2013-08-30 12:15:24 +0200 | [diff] [blame] | 329 | .enable_gpio = -1, |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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; |
Thierry Reding | ca1ef9c | 2015-11-03 14:05:57 +0100 | [diff] [blame] | 347 | pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup)); |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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[] = { |
Axel Lin | 0bf189a | 2012-05-08 16:25:10 +0800 | [diff] [blame] | 438 | REGULATOR_SUPPLY("vcc_core", NULL), |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 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 | |
Marek Vasut | cf62536 | 2010-08-14 06:08:30 +0200 | [diff] [blame] | 474 | static struct i2c_pxa_platform_data palm27x_i2c_power_info = { |
| 475 | .use_pio = 1, |
| 476 | }; |
| 477 | |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 478 | void __init palm27x_pmic_init(void) |
| 479 | { |
| 480 | i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info)); |
Marek Vasut | cf62536 | 2010-08-14 06:08:30 +0200 | [diff] [blame] | 481 | pxa27x_set_i2c_power_info(&palm27x_i2c_power_info); |
Marek Vasut | 9504594 | 2010-07-13 14:08:57 +0200 | [diff] [blame] | 482 | } |
| 483 | #endif |