arch/arm/mach-pxa/palmz72.c

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This source file includes following definitions.
palmz72_kpc_init
palmz72_kpc_init
palmz72_leds_init
palmz72_leds_init
palmz72_pm_suspend
palmz72_pm_resume
palmz72_pm_init
palmz72_camera_power
palmz72_camera_reset
palmz72_cam_gpio_init
palmz72_camera_init
palmz72_camera_init
palmz72_init
   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Hardware definitions for Palm Zire72
   4  *
   5  * Authors:
   6  *      Vladimir "Farcaller" Pouzanov <farcaller@gmail.com>
   7  *      Sergey Lapin <slapin@ossfans.org>
   8  *      Alex Osborne <bobofdoom@gmail.com>
   9  *      Jan Herman <2hp@seznam.cz>
  10  *
  11  * Rewrite for mainline:
  12  *      Marek Vasut <marek.vasut@gmail.com>
  13  *
  14  * (find more info at www.hackndev.com)
  15  */
  16 
  17 #include <linux/platform_device.h>
  18 #include <linux/syscore_ops.h>
  19 #include <linux/delay.h>
  20 #include <linux/irq.h>
  21 #include <linux/gpio_keys.h>
  22 #include <linux/input.h>
  23 #include <linux/pda_power.h>
  24 #include <linux/pwm_backlight.h>
  25 #include <linux/gpio.h>
  26 #include <linux/wm97xx.h>
  27 #include <linux/power_supply.h>
  28 #include <linux/usb/gpio_vbus.h>
  29 #include <linux/platform_data/i2c-gpio.h>
  30 #include <linux/gpio/machine.h>
  31 
  32 #include <asm/mach-types.h>
  33 #include <asm/suspend.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36 
  37 #include "pxa27x.h"
  38 #include <mach/audio.h>
  39 #include "palmz72.h"
  40 #include <linux/platform_data/mmc-pxamci.h>
  41 #include <linux/platform_data/video-pxafb.h>
  42 #include <linux/platform_data/irda-pxaficp.h>
  43 #include <linux/platform_data/keypad-pxa27x.h>
  44 #include "udc.h"
  45 #include <linux/platform_data/asoc-palm27x.h>
  46 #include "palm27x.h"
  47 
  48 #include "pm.h"
  49 #include <linux/platform_data/media/camera-pxa.h>
  50 
  51 #include <media/soc_camera.h>
  52 
  53 #include "generic.h"
  54 #include "devices.h"
  55 
  56 /******************************************************************************
  57  * Pin configuration
  58  ******************************************************************************/
  59 static unsigned long palmz72_pin_config[] __initdata = {
  60         /* MMC */
  61         GPIO32_MMC_CLK,
  62         GPIO92_MMC_DAT_0,
  63         GPIO109_MMC_DAT_1,
  64         GPIO110_MMC_DAT_2,
  65         GPIO111_MMC_DAT_3,
  66         GPIO112_MMC_CMD,
  67         GPIO14_GPIO,    /* SD detect */
  68         GPIO115_GPIO,   /* SD RO */
  69         GPIO98_GPIO,    /* SD power */
  70 
  71         /* AC97 */
  72         GPIO28_AC97_BITCLK,
  73         GPIO29_AC97_SDATA_IN_0,
  74         GPIO30_AC97_SDATA_OUT,
  75         GPIO31_AC97_SYNC,
  76         GPIO89_AC97_SYSCLK,
  77         GPIO113_AC97_nRESET,
  78 
  79         /* IrDA */
  80         GPIO49_GPIO,    /* ir disable */
  81         GPIO46_FICP_RXD,
  82         GPIO47_FICP_TXD,
  83 
  84         /* PWM */
  85         GPIO16_PWM0_OUT,
  86 
  87         /* USB */
  88         GPIO15_GPIO,    /* usb detect */
  89         GPIO95_GPIO,    /* usb pullup */
  90 
  91         /* Matrix keypad */
  92         GPIO100_KP_MKIN_0       | WAKEUP_ON_LEVEL_HIGH,
  93         GPIO101_KP_MKIN_1       | WAKEUP_ON_LEVEL_HIGH,
  94         GPIO102_KP_MKIN_2       | WAKEUP_ON_LEVEL_HIGH,
  95         GPIO97_KP_MKIN_3        | WAKEUP_ON_LEVEL_HIGH,
  96         GPIO103_KP_MKOUT_0,
  97         GPIO104_KP_MKOUT_1,
  98         GPIO105_KP_MKOUT_2,
  99 
 100         /* LCD */
 101         GPIOxx_LCD_TFT_16BPP,
 102 
 103         GPIO20_GPIO,    /* bl power */
 104         GPIO21_GPIO,    /* LCD border switch */
 105         GPIO22_GPIO,    /* LCD border color */
 106         GPIO96_GPIO,    /* lcd power */
 107 
 108         /* PXA Camera */
 109         GPIO81_CIF_DD_0,
 110         GPIO48_CIF_DD_5,
 111         GPIO50_CIF_DD_3,
 112         GPIO51_CIF_DD_2,
 113         GPIO52_CIF_DD_4,
 114         GPIO53_CIF_MCLK,
 115         GPIO54_CIF_PCLK,
 116         GPIO55_CIF_DD_1,
 117         GPIO84_CIF_FV,
 118         GPIO85_CIF_LV,
 119         GPIO93_CIF_DD_6,
 120         GPIO108_CIF_DD_7,
 121 
 122         GPIO56_GPIO,    /* OV9640 Powerdown */
 123         GPIO57_GPIO,    /* OV9640 Reset */
 124         GPIO91_GPIO,    /* OV9640 Power */
 125 
 126         /* I2C */
 127         GPIO117_GPIO,   /* I2C_SCL */
 128         GPIO118_GPIO,   /* I2C_SDA */
 129 
 130         /* Misc. */
 131         GPIO0_GPIO      | WAKEUP_ON_LEVEL_HIGH, /* power detect */
 132         GPIO88_GPIO,                            /* green led */
 133         GPIO27_GPIO,                            /* WM9712 IRQ */
 134 };
 135 
 136 /******************************************************************************
 137  * GPIO keyboard
 138  ******************************************************************************/
 139 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 140 static const unsigned int palmz72_matrix_keys[] = {
 141         KEY(0, 0, KEY_POWER),
 142         KEY(0, 1, KEY_F1),
 143         KEY(0, 2, KEY_ENTER),
 144 
 145         KEY(1, 0, KEY_F2),
 146         KEY(1, 1, KEY_F3),
 147         KEY(1, 2, KEY_F4),
 148 
 149         KEY(2, 0, KEY_UP),
 150         KEY(2, 2, KEY_DOWN),
 151 
 152         KEY(3, 0, KEY_RIGHT),
 153         KEY(3, 2, KEY_LEFT),
 154 };
 155 
 156 static struct matrix_keymap_data almz72_matrix_keymap_data = {
 157         .keymap                 = palmz72_matrix_keys,
 158         .keymap_size            = ARRAY_SIZE(palmz72_matrix_keys),
 159 };
 160 
 161 static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = {
 162         .matrix_key_rows        = 4,
 163         .matrix_key_cols        = 3,
 164         .matrix_keymap_data     = &almz72_matrix_keymap_data,
 165 
 166         .debounce_interval      = 30,
 167 };
 168 
 169 static void __init palmz72_kpc_init(void)
 170 {
 171         pxa_set_keypad_info(&palmz72_keypad_platform_data);
 172 }
 173 #else
 174 static inline void palmz72_kpc_init(void) {}
 175 #endif
 176 
 177 /******************************************************************************
 178  * LEDs
 179  ******************************************************************************/
 180 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 181 static struct gpio_led gpio_leds[] = {
 182         {
 183                 .name                   = "palmz72:green:led",
 184                 .default_trigger        = "none",
 185                 .gpio                   = GPIO_NR_PALMZ72_LED_GREEN,
 186         },
 187 };
 188 
 189 static struct gpio_led_platform_data gpio_led_info = {
 190         .leds           = gpio_leds,
 191         .num_leds       = ARRAY_SIZE(gpio_leds),
 192 };
 193 
 194 static struct platform_device palmz72_leds = {
 195         .name   = "leds-gpio",
 196         .id     = -1,
 197         .dev    = {
 198                 .platform_data  = &gpio_led_info,
 199         }
 200 };
 201 
 202 static void __init palmz72_leds_init(void)
 203 {
 204         platform_device_register(&palmz72_leds);
 205 }
 206 #else
 207 static inline void palmz72_leds_init(void) {}
 208 #endif
 209 
 210 #ifdef CONFIG_PM
 211 
 212 /* We have some black magic here
 213  * PalmOS ROM on recover expects special struct physical address
 214  * to be transferred via PSPR. Using this struct PalmOS restores
 215  * its state after sleep. As for Linux, we need to setup it the
 216  * same way. More than that, PalmOS ROM changes some values in memory.
 217  * For now only one location is found, which needs special treatment.
 218  * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people
 219  * for reading backtraces for me :)
 220  */
 221 
 222 #define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050)
 223 
 224 static struct palmz72_resume_info palmz72_resume_info = {
 225         .magic0 = 0xb4e6,
 226         .magic1 = 1,
 227 
 228         /* reset state, MMU off etc */
 229         .arm_control = 0,
 230         .aux_control = 0,
 231         .ttb = 0,
 232         .domain_access = 0,
 233         .process_id = 0,
 234 };
 235 
 236 static unsigned long store_ptr;
 237 
 238 /* syscore_ops for Palm Zire 72 PM */
 239 
 240 static int palmz72_pm_suspend(void)
 241 {
 242         /* setup the resume_info struct for the original bootloader */
 243         palmz72_resume_info.resume_addr = (u32) cpu_resume;
 244 
 245         /* Storing memory touched by ROM */
 246         store_ptr = *PALMZ72_SAVE_DWORD;
 247 
 248         /* Setting PSPR to a proper value */
 249         PSPR = __pa_symbol(&palmz72_resume_info);
 250 
 251         return 0;
 252 }
 253 
 254 static void palmz72_pm_resume(void)
 255 {
 256         *PALMZ72_SAVE_DWORD = store_ptr;
 257 }
 258 
 259 static struct syscore_ops palmz72_pm_syscore_ops = {
 260         .suspend = palmz72_pm_suspend,
 261         .resume = palmz72_pm_resume,
 262 };
 263 
 264 static int __init palmz72_pm_init(void)
 265 {
 266         if (machine_is_palmz72()) {
 267                 register_syscore_ops(&palmz72_pm_syscore_ops);
 268                 return 0;
 269         }
 270         return -ENODEV;
 271 }
 272 
 273 device_initcall(palmz72_pm_init);
 274 #endif
 275 
 276 /******************************************************************************
 277  * SoC Camera
 278  ******************************************************************************/
 279 #if defined(CONFIG_SOC_CAMERA_OV9640) || \
 280         defined(CONFIG_SOC_CAMERA_OV9640_MODULE)
 281 static struct pxacamera_platform_data palmz72_pxacamera_platform_data = {
 282         .flags          = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
 283                         PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
 284         .mclk_10khz     = 2600,
 285 };
 286 
 287 /* Board I2C devices. */
 288 static struct i2c_board_info palmz72_i2c_device[] = {
 289         {
 290                 I2C_BOARD_INFO("ov9640", 0x30),
 291         }
 292 };
 293 
 294 static int palmz72_camera_power(struct device *dev, int power)
 295 {
 296         gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power);
 297         mdelay(50);
 298         return 0;
 299 }
 300 
 301 static int palmz72_camera_reset(struct device *dev)
 302 {
 303         gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1);
 304         mdelay(50);
 305         gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0);
 306         mdelay(50);
 307         return 0;
 308 }
 309 
 310 static struct soc_camera_link palmz72_iclink = {
 311         .bus_id         = 0, /* Match id in pxa27x_device_camera in device.c */
 312         .board_info     = &palmz72_i2c_device[0],
 313         .i2c_adapter_id = 0,
 314         .module_name    = "ov96xx",
 315         .power          = &palmz72_camera_power,
 316         .reset          = &palmz72_camera_reset,
 317         .flags          = SOCAM_DATAWIDTH_8,
 318 };
 319 
 320 static struct gpiod_lookup_table palmz72_i2c_gpiod_table = {
 321         .dev_id         = "i2c-gpio.0",
 322         .table          = {
 323                 GPIO_LOOKUP_IDX("gpio-pxa", 118, NULL, 0,
 324                                 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 325                 GPIO_LOOKUP_IDX("gpio-pxa", 117, NULL, 1,
 326                                 GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN),
 327         },
 328 };
 329 
 330 static struct i2c_gpio_platform_data palmz72_i2c_bus_data = {
 331         .udelay         = 10,
 332         .timeout        = 100,
 333 };
 334 
 335 static struct platform_device palmz72_i2c_bus_device = {
 336         .name           = "i2c-gpio",
 337         .id             = 0, /* we use this as a replacement for i2c-pxa */
 338         .dev            = {
 339                 .platform_data  = &palmz72_i2c_bus_data,
 340         }
 341 };
 342 
 343 static struct platform_device palmz72_camera = {
 344         .name   = "soc-camera-pdrv",
 345         .id     = -1,
 346         .dev    = {
 347                 .platform_data  = &palmz72_iclink,
 348         },
 349 };
 350 
 351 /* Here we request the camera GPIOs and configure them. We power up the camera
 352  * module, deassert the reset pin, but put it into powerdown (low to no power
 353  * consumption) mode. This allows us to later bring the module up fast. */
 354 static struct gpio palmz72_camera_gpios[] = {
 355         { GPIO_NR_PALMZ72_CAM_POWER,    GPIOF_INIT_HIGH,"Camera DVDD" },
 356         { GPIO_NR_PALMZ72_CAM_RESET,    GPIOF_INIT_LOW, "Camera RESET" },
 357         { GPIO_NR_PALMZ72_CAM_PWDN,     GPIOF_INIT_LOW, "Camera PWDN" },
 358 };
 359 
 360 static inline void __init palmz72_cam_gpio_init(void)
 361 {
 362         int ret;
 363 
 364         ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
 365         if (!ret)
 366                 gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
 367         else
 368                 printk(KERN_ERR "Camera GPIO init failed!\n");
 369 
 370         return;
 371 }
 372 
 373 static void __init palmz72_camera_init(void)
 374 {
 375         palmz72_cam_gpio_init();
 376         pxa_set_camera_info(&palmz72_pxacamera_platform_data);
 377         gpiod_add_lookup_table(&palmz72_i2c_gpiod_table);
 378         platform_device_register(&palmz72_i2c_bus_device);
 379         platform_device_register(&palmz72_camera);
 380 }
 381 #else
 382 static inline void palmz72_camera_init(void) {}
 383 #endif
 384 
 385 static struct gpiod_lookup_table palmz72_mci_gpio_table = {
 386         .dev_id = "pxa2xx-mci.0",
 387         .table = {
 388                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_DETECT_N,
 389                             "cd", GPIO_ACTIVE_LOW),
 390                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_RO,
 391                             "wp", GPIO_ACTIVE_LOW),
 392                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_POWER_N,
 393                             "power", GPIO_ACTIVE_LOW),
 394                 { },
 395         },
 396 };
 397 
 398 /******************************************************************************
 399  * Machine init
 400  ******************************************************************************/
 401 static void __init palmz72_init(void)
 402 {
 403         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
 404         pxa_set_ffuart_info(NULL);
 405         pxa_set_btuart_info(NULL);
 406         pxa_set_stuart_info(NULL);
 407 
 408         palm27x_mmc_init(&palmz72_mci_gpio_table);
 409         palm27x_lcd_init(-1, &palm_320x320_lcd_mode);
 410         palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N,
 411                         GPIO_NR_PALMZ72_USB_PULLUP, 0);
 412         palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE);
 413         palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE,
 414                         -1, 113);
 415         palm27x_pwm_init(-1, -1);
 416         palm27x_power_init(-1, -1);
 417         palm27x_pmic_init();
 418         palmz72_kpc_init();
 419         palmz72_leds_init();
 420         palmz72_camera_init();
 421 }
 422 
 423 MACHINE_START(PALMZ72, "Palm Zire72")
 424         .atag_offset    = 0x100,
 425         .map_io         = pxa27x_map_io,
 426         .nr_irqs        = PXA_NR_IRQS,
 427         .init_irq       = pxa27x_init_irq,
 428         .handle_irq     = pxa27x_handle_irq,
 429         .init_time      = pxa_timer_init,
 430         .init_machine   = palmz72_init,
 431         .restart        = pxa_restart,
 432 MACHINE_END
/* [<][>][^][v][top][bottom][index][help] */
root/arch/arm/mach-pxa/palmz72.c

DEFINITIONS
