arch/arm/mach-pxa/palm27x.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Common code for Palm LD, T5, TX, Z72
   4  *
   5  * Copyright (C) 2010-2011 Marek Vasut <marek.vasut@gmail.com>
   6  */
   7
   8 #include <linux/platform_device.h>
   9 #include <linux/delay.h>
  10 #include <linux/irq.h>
  11 #include <linux/gpio_keys.h>
  12 #include <linux/input.h>
  13 #include <linux/pda_power.h>
  14 #include <linux/pwm.h>
  15 #include <linux/pwm_backlight.h>
  16 #include <linux/gpio/machine.h>
  17 #include <linux/gpio.h>
  18 #include <linux/wm97xx.h>
  19 #include <linux/power_supply.h>
  20 #include <linux/regulator/max1586.h>
  21 #include <linux/platform_data/i2c-pxa.h>
  22
  23 #include <asm/mach-types.h>
  24 #include <asm/mach/arch.h>
  25 #include <asm/mach/map.h>
  26
  27 #include "pxa27x.h"
  28 #include <mach/audio.h>
  29 #include <linux/platform_data/mmc-pxamci.h>
  30 #include <linux/platform_data/video-pxafb.h>
  31 #include <linux/platform_data/irda-pxaficp.h>
  32 #include "udc.h"
  33 #include <linux/platform_data/asoc-palm27x.h>
  34 #include "palm27x.h"
  35
  36 #include "generic.h"
  37 #include "devices.h"
  38
  39 /******************************************************************************
  40  * SD/MMC card controller
  41  ******************************************************************************/
  42 #if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
  43 static struct pxamci_platform_data palm27x_mci_platform_data = {
  44         .ocr_mask               = MMC_VDD_32_33 | MMC_VDD_33_34,
  45         .detect_delay_ms        = 200,
  46 };
  47
  48 void __init palm27x_mmc_init(struct gpiod_lookup_table *gtable)
  49 {
  50         if (gtable)
  51                 gpiod_add_lookup_table(gtable);
  52         pxa_set_mci_info(&palm27x_mci_platform_data);
  53 }
  54 #endif
  55
  56 /******************************************************************************
  57  * Power management - standby
  58  ******************************************************************************/
  59 #if defined(CONFIG_SUSPEND)
  60 void __init palm27x_pm_init(unsigned long str_base)
  61 {
  62         static const unsigned long resume[] = {
  63                 0xe3a00101,     /* mov  r0,     #0x40000000 */
  64                 0xe380060f,     /* orr  r0, r0, #0x00f00000 */
  65                 0xe590f008,     /* ldr  pc, [r0, #0x08] */
  66         };
  67
  68         /*
  69          * Copy the bootloader.
  70          * NOTE: PalmZ72 uses a different wakeup method!
  71          */
  72         memcpy(phys_to_virt(str_base), resume, sizeof(resume));
  73 }
  74 #endif
  75
  76 /******************************************************************************
  77  * Framebuffer
  78  ******************************************************************************/
  79 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
  80 struct pxafb_mode_info palm_320x480_lcd_mode = {
  81         .pixclock       = 57692,
  82         .xres           = 320,
  83         .yres           = 480,
  84         .bpp            = 16,
  85
  86         .left_margin    = 32,
  87         .right_margin   = 1,
  88         .upper_margin   = 7,
  89         .lower_margin   = 1,
  90
  91         .hsync_len      = 4,
  92         .vsync_len      = 1,
  93 };
  94
  95 struct pxafb_mode_info palm_320x320_lcd_mode = {
  96         .pixclock       = 115384,
  97         .xres           = 320,
  98         .yres           = 320,
  99         .bpp            = 16,
 100
 101         .left_margin    = 27,
 102         .right_margin   = 7,
 103         .upper_margin   = 7,
 104         .lower_margin   = 8,
 105
 106         .hsync_len      = 6,
 107         .vsync_len      = 1,
 108 };
 109
 110 struct pxafb_mode_info palm_320x320_new_lcd_mode = {
 111         .pixclock       = 86538,
 112         .xres           = 320,
 113         .yres           = 320,
 114         .bpp            = 16,
 115
 116         .left_margin    = 20,
 117         .right_margin   = 8,
 118         .upper_margin   = 8,
 119         .lower_margin   = 5,
 120
 121         .hsync_len      = 4,
 122         .vsync_len      = 1,
 123 };
 124
 125 static struct pxafb_mach_info palm27x_lcd_screen = {
 126         .num_modes      = 1,
 127         .lcd_conn       = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
 128 };
 129
 130 static int palm27x_lcd_power;
 131 static void palm27x_lcd_ctl(int on, struct fb_var_screeninfo *info)
 132 {
 133         gpio_set_value(palm27x_lcd_power, on);
 134 }
 135
 136 void __init palm27x_lcd_init(int power, struct pxafb_mode_info *mode)
 137 {
 138         palm27x_lcd_screen.modes = mode;
 139
 140         if (gpio_is_valid(power)) {
 141                 if (!gpio_request(power, "LCD power")) {
 142                         pr_err("Palm27x: failed to claim lcd power gpio!\n");
 143                         return;
 144                 }
 145                 if (!gpio_direction_output(power, 1)) {
 146                         pr_err("Palm27x: lcd power configuration failed!\n");
 147                         return;
 148                 }
 149                 palm27x_lcd_power = power;
 150                 palm27x_lcd_screen.pxafb_lcd_power = palm27x_lcd_ctl;
 151         }
 152
 153         pxa_set_fb_info(NULL, &palm27x_lcd_screen);
 154 }
 155 #endif
 156
 157 /******************************************************************************
 158  * USB Gadget
 159  ******************************************************************************/
 160 #if     defined(CONFIG_USB_PXA27X) || \
 161         defined(CONFIG_USB_PXA27X_MODULE)
 162
 163 /* The actual GPIO offsets get filled in in the palm27x_udc_init() call */
 164 static struct gpiod_lookup_table palm27x_udc_gpiod_table = {
 165         .dev_id = "gpio-vbus",
 166         .table = {
 167                 GPIO_LOOKUP("gpio-pxa", 0,
 168                             "vbus", GPIO_ACTIVE_HIGH),
 169                 GPIO_LOOKUP("gpio-pxa", 0,
 170                             "pullup", GPIO_ACTIVE_HIGH),
 171                 { },
 172         },
 173 };
 174
 175 static struct platform_device palm27x_gpio_vbus = {
 176         .name   = "gpio-vbus",
 177         .id     = -1,
 178 };
 179
 180 void __init palm27x_udc_init(int vbus, int pullup, int vbus_inverted)
 181 {
 182         palm27x_udc_gpiod_table.table[0].chip_hwnum = vbus;
 183         palm27x_udc_gpiod_table.table[1].chip_hwnum = pullup;
 184         if (vbus_inverted)
 185                 palm27x_udc_gpiod_table.table[0].flags = GPIO_ACTIVE_LOW;
 186
 187         gpiod_add_lookup_table(&palm27x_udc_gpiod_table);
 188         platform_device_register(&palm27x_gpio_vbus);
 189 }
 190 #endif
 191
 192 /******************************************************************************
 193  * IrDA
 194  ******************************************************************************/
 195 #if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
 196 static struct pxaficp_platform_data palm27x_ficp_platform_data = {
 197         .transceiver_cap        = IR_SIRMODE | IR_OFF,
 198 };
 199
 200 void __init palm27x_irda_init(int pwdn)
 201 {
 202         palm27x_ficp_platform_data.gpio_pwdown = pwdn;
 203         pxa_set_ficp_info(&palm27x_ficp_platform_data);
 204 }
 205 #endif
 206
 207 /******************************************************************************
 208  * WM97xx audio, battery
 209  ******************************************************************************/
 210 #if     defined(CONFIG_TOUCHSCREEN_WM97XX) || \
 211         defined(CONFIG_TOUCHSCREEN_WM97XX_MODULE)
 212 static struct wm97xx_batt_pdata palm27x_batt_pdata = {
 213         .batt_aux       = WM97XX_AUX_ID3,
 214         .temp_aux       = WM97XX_AUX_ID2,
 215         .charge_gpio    = -1,
 216         .batt_mult      = 1000,
 217         .batt_div       = 414,
 218         .temp_mult      = 1,
 219         .temp_div       = 1,
 220         .batt_tech      = POWER_SUPPLY_TECHNOLOGY_LIPO,
 221         .batt_name      = "main-batt",
 222 };
 223
 224 static struct wm97xx_pdata palm27x_wm97xx_pdata = {
 225         .batt_pdata     = &palm27x_batt_pdata,
 226 };
 227
 228 static pxa2xx_audio_ops_t palm27x_ac97_pdata = {
 229         .codec_pdata    = { &palm27x_wm97xx_pdata, },
 230 };
 231
 232 static struct palm27x_asoc_info palm27x_asoc_pdata = {
 233         .jack_gpio      = -1,
 234 };
 235
 236 static struct platform_device palm27x_asoc = {
 237         .name = "palm27x-asoc",
 238         .id   = -1,
 239         .dev  = {
 240                 .platform_data = &palm27x_asoc_pdata,
 241         },
 242 };
 243
 244 void __init palm27x_ac97_init(int minv, int maxv, int jack, int reset)
 245 {
 246         palm27x_ac97_pdata.reset_gpio   = reset;
 247         palm27x_asoc_pdata.jack_gpio    = jack;
 248
 249         if (minv < 0 || maxv < 0) {
 250                 palm27x_ac97_pdata.codec_pdata[0] = NULL;
 251                 pxa_set_ac97_info(&palm27x_ac97_pdata);
 252         } else {
 253                 palm27x_batt_pdata.min_voltage  = minv,
 254                 palm27x_batt_pdata.max_voltage  = maxv,
 255
 256                 pxa_set_ac97_info(&palm27x_ac97_pdata);
 257                 platform_device_register(&palm27x_asoc);
 258         }
 259 }
 260 #endif
 261
 262 /******************************************************************************
 263  * Backlight
 264  ******************************************************************************/
 265 #if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
 266 static struct pwm_lookup palm27x_pwm_lookup[] = {
 267         PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 3500 * 1024,
 268                    PWM_POLARITY_NORMAL),
 269 };
 270
 271 static int palm_bl_power;
 272 static int palm_lcd_power;
 273
 274 static int palm27x_backlight_init(struct device *dev)
 275 {
 276         int ret;
 277
 278         ret = gpio_request(palm_bl_power, "BL POWER");
 279         if (ret)
 280                 goto err;
 281         ret = gpio_direction_output(palm_bl_power, 0);
 282         if (ret)
 283                 goto err2;
 284
 285         if (gpio_is_valid(palm_lcd_power)) {
 286                 ret = gpio_request(palm_lcd_power, "LCD POWER");
 287                 if (ret)
 288                         goto err2;
 289                 ret = gpio_direction_output(palm_lcd_power, 0);
 290                 if (ret)
 291                         goto err3;
 292         }
 293
 294         return 0;
 295 err3:
 296         gpio_free(palm_lcd_power);
 297 err2:
 298         gpio_free(palm_bl_power);
 299 err:
 300         return ret;
 301 }
 302
 303 static int palm27x_backlight_notify(struct device *dev, int brightness)
 304 {
 305         gpio_set_value(palm_bl_power, brightness);
 306         if (gpio_is_valid(palm_lcd_power))
 307                 gpio_set_value(palm_lcd_power, brightness);
 308         return brightness;
 309 }
 310
 311 static void palm27x_backlight_exit(struct device *dev)
 312 {
 313         gpio_free(palm_bl_power);
 314         if (gpio_is_valid(palm_lcd_power))
 315                 gpio_free(palm_lcd_power);
 316 }
 317
 318 static struct platform_pwm_backlight_data palm27x_backlight_data = {
 319         .max_brightness = 0xfe,
 320         .dft_brightness = 0x7e,
 321         .enable_gpio    = -1,
 322         .init           = palm27x_backlight_init,
 323         .notify         = palm27x_backlight_notify,
 324         .exit           = palm27x_backlight_exit,
 325 };
 326
 327 static struct platform_device palm27x_backlight = {
 328         .name   = "pwm-backlight",
 329         .dev    = {
 330                 .parent         = &pxa27x_device_pwm0.dev,
 331                 .platform_data  = &palm27x_backlight_data,
 332         },
 333 };
 334
 335 void __init palm27x_pwm_init(int bl, int lcd)
 336 {
 337         palm_bl_power   = bl;
 338         palm_lcd_power  = lcd;
 339         pwm_add_table(palm27x_pwm_lookup, ARRAY_SIZE(palm27x_pwm_lookup));
 340         platform_device_register(&palm27x_backlight);
 341 }
 342 #endif
 343
 344 /******************************************************************************
 345  * Power supply
 346  ******************************************************************************/
 347 #if defined(CONFIG_PDA_POWER) || defined(CONFIG_PDA_POWER_MODULE)
 348 static int palm_ac_state;
 349 static int palm_usb_state;
 350
 351 static int palm27x_power_supply_init(struct device *dev)
 352 {
 353         int ret;
 354
 355         ret = gpio_request(palm_ac_state, "AC state");
 356         if (ret)
 357                 goto err1;
 358         ret = gpio_direction_input(palm_ac_state);
 359         if (ret)
 360                 goto err2;
 361
 362         if (gpio_is_valid(palm_usb_state)) {
 363                 ret = gpio_request(palm_usb_state, "USB state");
 364                 if (ret)
 365                         goto err2;
 366                 ret = gpio_direction_input(palm_usb_state);
 367                 if (ret)
 368                         goto err3;
 369         }
 370
 371         return 0;
 372 err3:
 373         gpio_free(palm_usb_state);
 374 err2:
 375         gpio_free(palm_ac_state);
 376 err1:
 377         return ret;
 378 }
 379
 380 static void palm27x_power_supply_exit(struct device *dev)
 381 {
 382         gpio_free(palm_usb_state);
 383         gpio_free(palm_ac_state);
 384 }
 385
 386 static int palm27x_is_ac_online(void)
 387 {
 388         return gpio_get_value(palm_ac_state);
 389 }
 390
 391 static int palm27x_is_usb_online(void)
 392 {
 393         return !gpio_get_value(palm_usb_state);
 394 }
 395 static char *palm27x_supplicants[] = {
 396         "main-battery",
 397 };
 398
 399 static struct pda_power_pdata palm27x_ps_info = {
 400         .init                   = palm27x_power_supply_init,
 401         .exit                   = palm27x_power_supply_exit,
 402         .is_ac_online           = palm27x_is_ac_online,
 403         .is_usb_online          = palm27x_is_usb_online,
 404         .supplied_to            = palm27x_supplicants,
 405         .num_supplicants        = ARRAY_SIZE(palm27x_supplicants),
 406 };
 407
 408 static struct platform_device palm27x_power_supply = {
 409         .name = "pda-power",
 410         .id   = -1,
 411         .dev  = {
 412                 .platform_data = &palm27x_ps_info,
 413         },
 414 };
 415
 416 void __init palm27x_power_init(int ac, int usb)
 417 {
 418         palm_ac_state   = ac;
 419         palm_usb_state  = usb;
 420         platform_device_register(&palm27x_power_supply);
 421 }
 422 #endif
 423
 424 /******************************************************************************
 425  * Core power regulator
 426  ******************************************************************************/
 427 #if defined(CONFIG_REGULATOR_MAX1586) || \
 428     defined(CONFIG_REGULATOR_MAX1586_MODULE)
 429 static struct regulator_consumer_supply palm27x_max1587a_consumers[] = {
 430         REGULATOR_SUPPLY("vcc_core", NULL),
 431 };
 432
 433 static struct regulator_init_data palm27x_max1587a_v3_info = {
 434         .constraints = {
 435                 .name           = "vcc_core range",
 436                 .min_uV         = 900000,
 437                 .max_uV         = 1705000,
 438                 .always_on      = 1,
 439                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 440         },
 441         .consumer_supplies      = palm27x_max1587a_consumers,
 442         .num_consumer_supplies  = ARRAY_SIZE(palm27x_max1587a_consumers),
 443 };
 444
 445 static struct max1586_subdev_data palm27x_max1587a_subdevs[] = {
 446         {
 447                 .name           = "vcc_core",
 448                 .id             = MAX1586_V3,
 449                 .platform_data  = &palm27x_max1587a_v3_info,
 450         }
 451 };
 452
 453 static struct max1586_platform_data palm27x_max1587a_info = {
 454         .subdevs     = palm27x_max1587a_subdevs,
 455         .num_subdevs = ARRAY_SIZE(palm27x_max1587a_subdevs),
 456         .v3_gain     = MAX1586_GAIN_R24_3k32, /* 730..1550 mV */
 457 };
 458
 459 static struct i2c_board_info __initdata palm27x_pi2c_board_info[] = {
 460         {
 461                 I2C_BOARD_INFO("max1586", 0x14),
 462                 .platform_data  = &palm27x_max1587a_info,
 463         },
 464 };
 465
 466 static struct i2c_pxa_platform_data palm27x_i2c_power_info = {
 467         .use_pio        = 1,
 468 };
 469
 470 void __init palm27x_pmic_init(void)
 471 {
 472         i2c_register_board_info(1, ARRAY_AND_SIZE(palm27x_pi2c_board_info));
 473         pxa27x_set_i2c_power_info(&palm27x_i2c_power_info);
 474 }
 475 #endif