arch/arm/mach-pxa/palmtx.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Hardware definitions for PalmTX
   4  *
   5  * Author:     Marek Vasut <marek.vasut@gmail.com>
   6  *
   7  * Based on work of:
   8  *              Alex Osborne <ato@meshy.org>
   9  *              Cristiano P. <cristianop@users.sourceforge.net>
  10  *              Jan Herman <2hp@seznam.cz>
  11  *              Michal Hrusecky
  12  *
  13  * (find more info at www.hackndev.com)
  14  */
  15
  16 #include <linux/platform_device.h>
  17 #include <linux/delay.h>
  18 #include <linux/irq.h>
  19 #include <linux/gpio_keys.h>
  20 #include <linux/input.h>
  21 #include <linux/pda_power.h>
  22 #include <linux/pwm_backlight.h>
  23 #include <linux/gpio.h>
  24 #include <linux/wm97xx.h>
  25 #include <linux/power_supply.h>
  26 #include <linux/mtd/platnand.h>
  27 #include <linux/mtd/mtd.h>
  28 #include <linux/mtd/physmap.h>
  29
  30 #include <asm/mach-types.h>
  31 #include <asm/mach/arch.h>
  32 #include <asm/mach/map.h>
  33
  34 #include "pxa27x.h"
  35 #include <mach/audio.h>
  36 #include <mach/palmtx.h>
  37 #include <linux/platform_data/mmc-pxamci.h>
  38 #include <linux/platform_data/video-pxafb.h>
  39 #include <linux/platform_data/irda-pxaficp.h>
  40 #include <linux/platform_data/keypad-pxa27x.h>
  41 #include "udc.h"
  42 #include <linux/platform_data/asoc-palm27x.h>
  43 #include "palm27x.h"
  44
  45 #include "generic.h"
  46 #include "devices.h"
  47
  48 /******************************************************************************
  49  * Pin configuration
  50  ******************************************************************************/
  51 static unsigned long palmtx_pin_config[] __initdata = {
  52         /* MMC */
  53         GPIO32_MMC_CLK,
  54         GPIO92_MMC_DAT_0,
  55         GPIO109_MMC_DAT_1,
  56         GPIO110_MMC_DAT_2,
  57         GPIO111_MMC_DAT_3,
  58         GPIO112_MMC_CMD,
  59         GPIO14_GPIO,    /* SD detect */
  60         GPIO114_GPIO,   /* SD power */
  61         GPIO115_GPIO,   /* SD r/o switch */
  62
  63         /* AC97 */
  64         GPIO28_AC97_BITCLK,
  65         GPIO29_AC97_SDATA_IN_0,
  66         GPIO30_AC97_SDATA_OUT,
  67         GPIO31_AC97_SYNC,
  68         GPIO89_AC97_SYSCLK,
  69         GPIO95_AC97_nRESET,
  70
  71         /* IrDA */
  72         GPIO40_GPIO,    /* ir disable */
  73         GPIO46_FICP_RXD,
  74         GPIO47_FICP_TXD,
  75
  76         /* PWM */
  77         GPIO16_PWM0_OUT,
  78
  79         /* USB */
  80         GPIO13_GPIO,    /* usb detect */
  81         GPIO93_GPIO,    /* usb power */
  82
  83         /* PCMCIA */
  84         GPIO48_nPOE,
  85         GPIO49_nPWE,
  86         GPIO50_nPIOR,
  87         GPIO51_nPIOW,
  88         GPIO85_nPCE_1,
  89         GPIO54_nPCE_2,
  90         GPIO79_PSKTSEL,
  91         GPIO55_nPREG,
  92         GPIO56_nPWAIT,
  93         GPIO57_nIOIS16,
  94         GPIO94_GPIO,    /* wifi power 1 */
  95         GPIO108_GPIO,   /* wifi power 2 */
  96         GPIO116_GPIO,   /* wifi ready */
  97
  98         /* MATRIX KEYPAD */
  99         GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
 100         GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
 101         GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
 102         GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
 103         GPIO103_KP_MKOUT_0,
 104         GPIO104_KP_MKOUT_1,
 105         GPIO105_KP_MKOUT_2,
 106
 107         /* LCD */
 108         GPIOxx_LCD_TFT_16BPP,
 109
 110         /* FFUART */
 111         GPIO34_FFUART_RXD,
 112         GPIO39_FFUART_TXD,
 113
 114         /* NAND */
 115         GPIO15_nCS_1,
 116         GPIO18_RDY,
 117
 118         /* MISC. */
 119         GPIO10_GPIO,    /* hotsync button */
 120         GPIO12_GPIO,    /* power detect */
 121         GPIO107_GPIO,   /* earphone detect */
 122 };
 123
 124 /******************************************************************************
 125  * NOR Flash
 126  ******************************************************************************/
 127 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
 128 static struct mtd_partition palmtx_partitions[] = {
 129         {
 130                 .name           = "Flash",
 131                 .offset         = 0x00000000,
 132                 .size           = MTDPART_SIZ_FULL,
 133                 .mask_flags     = 0
 134         }
 135 };
 136
 137 static struct physmap_flash_data palmtx_flash_data[] = {
 138         {
 139                 .width          = 2,                    /* bankwidth in bytes */
 140                 .parts          = palmtx_partitions,
 141                 .nr_parts       = ARRAY_SIZE(palmtx_partitions)
 142         }
 143 };
 144
 145 static struct resource palmtx_flash_resource = {
 146         .start  = PXA_CS0_PHYS,
 147         .end    = PXA_CS0_PHYS + SZ_8M - 1,
 148         .flags  = IORESOURCE_MEM,
 149 };
 150
 151 static struct platform_device palmtx_flash = {
 152         .name           = "physmap-flash",
 153         .id             = 0,
 154         .resource       = &palmtx_flash_resource,
 155         .num_resources  = 1,
 156         .dev            = {
 157                 .platform_data = palmtx_flash_data,
 158         },
 159 };
 160
 161 static void __init palmtx_nor_init(void)
 162 {
 163         platform_device_register(&palmtx_flash);
 164 }
 165 #else
 166 static inline void palmtx_nor_init(void) {}
 167 #endif
 168
 169 /******************************************************************************
 170  * GPIO keyboard
 171  ******************************************************************************/
 172 #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
 173 static const unsigned int palmtx_matrix_keys[] = {
 174         KEY(0, 0, KEY_POWER),
 175         KEY(0, 1, KEY_F1),
 176         KEY(0, 2, KEY_ENTER),
 177
 178         KEY(1, 0, KEY_F2),
 179         KEY(1, 1, KEY_F3),
 180         KEY(1, 2, KEY_F4),
 181
 182         KEY(2, 0, KEY_UP),
 183         KEY(2, 2, KEY_DOWN),
 184
 185         KEY(3, 0, KEY_RIGHT),
 186         KEY(3, 2, KEY_LEFT),
 187 };
 188
 189 static struct matrix_keymap_data palmtx_matrix_keymap_data = {
 190         .keymap                 = palmtx_matrix_keys,
 191         .keymap_size            = ARRAY_SIZE(palmtx_matrix_keys),
 192 };
 193
 194 static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
 195         .matrix_key_rows        = 4,
 196         .matrix_key_cols        = 3,
 197         .matrix_keymap_data     = &palmtx_matrix_keymap_data,
 198
 199         .debounce_interval      = 30,
 200 };
 201
 202 static void __init palmtx_kpc_init(void)
 203 {
 204         pxa_set_keypad_info(&palmtx_keypad_platform_data);
 205 }
 206 #else
 207 static inline void palmtx_kpc_init(void) {}
 208 #endif
 209
 210 /******************************************************************************
 211  * GPIO keys
 212  ******************************************************************************/
 213 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 214 static struct gpio_keys_button palmtx_pxa_buttons[] = {
 215         {KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
 216 };
 217
 218 static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
 219         .buttons        = palmtx_pxa_buttons,
 220         .nbuttons       = ARRAY_SIZE(palmtx_pxa_buttons),
 221 };
 222
 223 static struct platform_device palmtx_pxa_keys = {
 224         .name   = "gpio-keys",
 225         .id     = -1,
 226         .dev    = {
 227                 .platform_data = &palmtx_pxa_keys_data,
 228         },
 229 };
 230
 231 static void __init palmtx_keys_init(void)
 232 {
 233         platform_device_register(&palmtx_pxa_keys);
 234 }
 235 #else
 236 static inline void palmtx_keys_init(void) {}
 237 #endif
 238
 239 /******************************************************************************
 240  * NAND Flash
 241  ******************************************************************************/
 242 #if defined(CONFIG_MTD_NAND_PLATFORM) || \
 243         defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
 244 static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
 245                                 unsigned int ctrl)
 246 {
 247         char __iomem *nandaddr = this->legacy.IO_ADDR_W;
 248
 249         if (cmd == NAND_CMD_NONE)
 250                 return;
 251
 252         if (ctrl & NAND_CLE)
 253                 writeb(cmd, PALMTX_NAND_CLE_VIRT);
 254         else if (ctrl & NAND_ALE)
 255                 writeb(cmd, PALMTX_NAND_ALE_VIRT);
 256         else
 257                 writeb(cmd, nandaddr);
 258 }
 259
 260 static struct mtd_partition palmtx_partition_info[] = {
 261         [0] = {
 262                 .name   = "palmtx-0",
 263                 .offset = 0,
 264                 .size   = MTDPART_SIZ_FULL
 265         },
 266 };
 267
 268 struct platform_nand_data palmtx_nand_platdata = {
 269         .chip   = {
 270                 .nr_chips               = 1,
 271                 .chip_offset            = 0,
 272                 .nr_partitions          = ARRAY_SIZE(palmtx_partition_info),
 273                 .partitions             = palmtx_partition_info,
 274                 .chip_delay             = 20,
 275         },
 276         .ctrl   = {
 277                 .cmd_ctrl       = palmtx_nand_cmd_ctl,
 278         },
 279 };
 280
 281 static struct resource palmtx_nand_resource[] = {
 282         [0]     = {
 283                 .start  = PXA_CS1_PHYS,
 284                 .end    = PXA_CS1_PHYS + SZ_1M - 1,
 285                 .flags  = IORESOURCE_MEM,
 286         },
 287 };
 288
 289 static struct platform_device palmtx_nand = {
 290         .name           = "gen_nand",
 291         .num_resources  = ARRAY_SIZE(palmtx_nand_resource),
 292         .resource       = palmtx_nand_resource,
 293         .id             = -1,
 294         .dev            = {
 295                 .platform_data  = &palmtx_nand_platdata,
 296         }
 297 };
 298
 299 static void __init palmtx_nand_init(void)
 300 {
 301         platform_device_register(&palmtx_nand);
 302 }
 303 #else
 304 static inline void palmtx_nand_init(void) {}
 305 #endif
 306
 307 /******************************************************************************
 308  * Machine init
 309  ******************************************************************************/
 310 static struct map_desc palmtx_io_desc[] __initdata = {
 311 {
 312         .virtual        = (unsigned long)PALMTX_PCMCIA_VIRT,
 313         .pfn            = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
 314         .length         = PALMTX_PCMCIA_SIZE,
 315         .type           = MT_DEVICE,
 316 }, {
 317         .virtual        = (unsigned long)PALMTX_NAND_ALE_VIRT,
 318         .pfn            = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
 319         .length         = SZ_1M,
 320         .type           = MT_DEVICE,
 321 }, {
 322         .virtual        = (unsigned long)PALMTX_NAND_CLE_VIRT,
 323         .pfn            = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
 324         .length         = SZ_1M,
 325         .type           = MT_DEVICE,
 326 }
 327 };
 328
 329 static void __init palmtx_map_io(void)
 330 {
 331         pxa27x_map_io();
 332         iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
 333 }
 334
 335 static struct gpiod_lookup_table palmtx_mci_gpio_table = {
 336         .dev_id = "pxa2xx-mci.0",
 337         .table = {
 338                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_DETECT_N,
 339                             "cd", GPIO_ACTIVE_LOW),
 340                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY,
 341                             "wp", GPIO_ACTIVE_LOW),
 342                 GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_POWER,
 343                             "power", GPIO_ACTIVE_HIGH),
 344                 { },
 345         },
 346 };
 347
 348 static void __init palmtx_init(void)
 349 {
 350         pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
 351         pxa_set_ffuart_info(NULL);
 352         pxa_set_btuart_info(NULL);
 353         pxa_set_stuart_info(NULL);
 354
 355         palm27x_mmc_init(&palmtx_mci_gpio_table);
 356         palm27x_pm_init(PALMTX_STR_BASE);
 357         palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
 358         palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
 359                         GPIO_NR_PALMTX_USB_PULLUP, 1);
 360         palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
 361         palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
 362                         GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
 363         palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
 364         palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
 365         palm27x_pmic_init();
 366         palmtx_kpc_init();
 367         palmtx_keys_init();
 368         palmtx_nor_init();
 369         palmtx_nand_init();
 370 }
 371
 372 MACHINE_START(PALMTX, "Palm T|X")
 373         .atag_offset    = 0x100,
 374         .map_io         = palmtx_map_io,
 375         .nr_irqs        = PXA_NR_IRQS,
 376         .init_irq       = pxa27x_init_irq,
 377         .handle_irq     = pxa27x_handle_irq,
 378         .init_time      = pxa_timer_init,
 379         .init_machine   = palmtx_init,
 380         .restart        = pxa_restart,
 381 MACHINE_END