arch/arm/mach-omap1/board-sx1.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3 * linux/arch/arm/mach-omap1/board-sx1.c
   4 *
   5 * Modified from board-generic.c
   6 *
   7 * Support for the Siemens SX1 mobile phone.
   8 *
   9 * Original version : Vladimir Ananiev (Vovan888-at-gmail com)
  10 *
  11 * Maintainters : Vladimir Ananiev (aka Vovan888), Sergge
  12 *               oslik.ru
  13 */
  14 #include <linux/gpio/machine.h>
  15 #include <linux/gpio/consumer.h>
  16 #include <linux/kernel.h>
  17 #include <linux/init.h>
  18 #include <linux/input.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/notifier.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/partitions.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/types.h>
  25 #include <linux/i2c.h>
  26 #include <linux/errno.h>
  27 #include <linux/export.h>
  28 #include <linux/omapfb.h>
  29 #include <linux/platform_data/keypad-omap.h>
  30 #include <linux/omap-dma.h>
  31 #include "tc.h"
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35 #include <asm/mach/map.h>
  36
  37 #include "flash.h"
  38 #include "mux.h"
  39 #include "board-sx1.h"
  40 #include "hardware.h"
  41 #include "usb.h"
  42 #include "common.h"
  43
  44 /* Write to I2C device */
  45 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value)
  46 {
  47         struct i2c_adapter *adap;
  48         int err;
  49         struct i2c_msg msg[1];
  50         unsigned char data[2];
  51
  52         adap = i2c_get_adapter(0);
  53         if (!adap)
  54                 return -ENODEV;
  55         msg->addr = devaddr;    /* I2C address of chip */
  56         msg->flags = 0;
  57         msg->len = 2;
  58         msg->buf = data;
  59         data[0] = regoffset;    /* register num */
  60         data[1] = value;                /* register data */
  61         err = i2c_transfer(adap, msg, 1);
  62         i2c_put_adapter(adap);
  63         if (err >= 0)
  64                 return 0;
  65         return err;
  66 }
  67
  68 /* Read from I2C device */
  69 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value)
  70 {
  71         struct i2c_adapter *adap;
  72         int err;
  73         struct i2c_msg msg[1];
  74         unsigned char data[2];
  75
  76         adap = i2c_get_adapter(0);
  77         if (!adap)
  78                 return -ENODEV;
  79
  80         msg->addr = devaddr;    /* I2C address of chip */
  81         msg->flags = 0;
  82         msg->len = 1;
  83         msg->buf = data;
  84         data[0] = regoffset;    /* register num */
  85         err = i2c_transfer(adap, msg, 1);
  86
  87         msg->addr = devaddr;    /* I2C address */
  88         msg->flags = I2C_M_RD;
  89         msg->len = 1;
  90         msg->buf = data;
  91         err = i2c_transfer(adap, msg, 1);
  92         *value = data[0];
  93         i2c_put_adapter(adap);
  94
  95         if (err >= 0)
  96                 return 0;
  97         return err;
  98 }
  99 /* set keyboard backlight intensity */
 100 int sx1_setkeylight(u8 keylight)
 101 {
 102         if (keylight > SOFIA_MAX_LIGHT_VAL)
 103                 keylight = SOFIA_MAX_LIGHT_VAL;
 104         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 105 }
 106 /* get current keylight intensity */
 107 int sx1_getkeylight(u8 * keylight)
 108 {
 109         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
 110 }
 111 /* set LCD backlight intensity */
 112 int sx1_setbacklight(u8 backlight)
 113 {
 114         if (backlight > SOFIA_MAX_LIGHT_VAL)
 115                 backlight = SOFIA_MAX_LIGHT_VAL;
 116         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 117                                   backlight);
 118 }
 119 /* get current LCD backlight intensity */
 120 int sx1_getbacklight (u8 * backlight)
 121 {
 122         return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
 123                                  backlight);
 124 }
 125 /* set LCD backlight power on/off */
 126 int sx1_setmmipower(u8 onoff)
 127 {
 128         int err;
 129         u8 dat = 0;
 130         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 131         if (err < 0)
 132                 return err;
 133         if (onoff)
 134                 dat |= SOFIA_MMILIGHT_POWER;
 135         else
 136                 dat &= ~SOFIA_MMILIGHT_POWER;
 137         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 138 }
 139
 140 /* set USB power on/off */
 141 int sx1_setusbpower(u8 onoff)
 142 {
 143         int err;
 144         u8 dat = 0;
 145         err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
 146         if (err < 0)
 147                 return err;
 148         if (onoff)
 149                 dat |= SOFIA_USB_POWER;
 150         else
 151                 dat &= ~SOFIA_USB_POWER;
 152         return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
 153 }
 154
 155 EXPORT_SYMBOL(sx1_setkeylight);
 156 EXPORT_SYMBOL(sx1_getkeylight);
 157 EXPORT_SYMBOL(sx1_setbacklight);
 158 EXPORT_SYMBOL(sx1_getbacklight);
 159 EXPORT_SYMBOL(sx1_setmmipower);
 160 EXPORT_SYMBOL(sx1_setusbpower);
 161
 162 /*----------- Keypad -------------------------*/
 163
 164 static const unsigned int sx1_keymap[] = {
 165         KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */
 166         KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */
 167         KEY(4, 1, GROUP_2 | 114), /* voice memo */
 168         KEY(4, 2, GROUP_3 | 114), /* voice memo */
 169         KEY(0, 0, GROUP_1 | KEY_F12),   /* red button Qt::Key_Hangup */
 170         KEY(3, 4, GROUP_1 | KEY_LEFT),
 171         KEY(3, 2, GROUP_1 | KEY_DOWN),
 172         KEY(3, 1, GROUP_1 | KEY_RIGHT),
 173         KEY(3, 0, GROUP_1 | KEY_UP),
 174         KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */
 175         KEY(0, 5, GROUP_1 | KEY_1),
 176         KEY(0, 4, GROUP_1 | KEY_2),
 177         KEY(0, 3, GROUP_1 | KEY_3),
 178         KEY(4, 3, GROUP_1 | KEY_4),
 179         KEY(4, 4, GROUP_1 | KEY_5),
 180         KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */
 181         KEY(1, 4, GROUP_1 | KEY_6),
 182         KEY(1, 5, GROUP_1 | KEY_7),
 183         KEY(1, 3, GROUP_1 | KEY_8),
 184         KEY(2, 3, GROUP_1 | KEY_9),
 185         KEY(2, 5, GROUP_1 | KEY_0),
 186         KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */
 187         KEY(1, 0, GROUP_1 | KEY_F11),   /* green button Qt::Key_Call */
 188         KEY(2, 1, GROUP_1 | KEY_YEN),   /* left soft Qt::Key_Context1 */
 189         KEY(2, 2, GROUP_1 | KEY_F8),    /* right soft Qt::Key_Back */
 190         KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */
 191         KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */
 192         KEY(2, 0, GROUP_1 | KEY_F7),    /* menu Qt::Key_Menu */
 193 };
 194
 195 static struct resource sx1_kp_resources[] = {
 196         [0] = {
 197                 .start  = INT_KEYBOARD,
 198                 .end    = INT_KEYBOARD,
 199                 .flags  = IORESOURCE_IRQ,
 200         },
 201 };
 202
 203 static const struct matrix_keymap_data sx1_keymap_data = {
 204         .keymap         = sx1_keymap,
 205         .keymap_size    = ARRAY_SIZE(sx1_keymap),
 206 };
 207
 208 static struct omap_kp_platform_data sx1_kp_data = {
 209         .rows           = 6,
 210         .cols           = 6,
 211         .keymap_data    = &sx1_keymap_data,
 212         .delay  = 80,
 213 };
 214
 215 static struct platform_device sx1_kp_device = {
 216         .name           = "omap-keypad",
 217         .id             = -1,
 218         .dev            = {
 219                 .platform_data = &sx1_kp_data,
 220         },
 221         .num_resources  = ARRAY_SIZE(sx1_kp_resources),
 222         .resource       = sx1_kp_resources,
 223 };
 224
 225 /*----------- MTD -------------------------*/
 226
 227 static struct mtd_partition sx1_partitions[] = {
 228         /* bootloader (U-Boot, etc) in first sector */
 229         {
 230                 .name           = "bootloader",
 231                 .offset         = 0x01800000,
 232                 .size           = SZ_128K,
 233                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
 234         },
 235         /* bootloader params in the next sector */
 236         {
 237                 .name           = "params",
 238                 .offset         = MTDPART_OFS_APPEND,
 239                 .size           = SZ_128K,
 240                 .mask_flags     = 0,
 241         },
 242         /* kernel */
 243         {
 244                 .name           = "kernel",
 245                 .offset         = MTDPART_OFS_APPEND,
 246                 .size           = SZ_2M - 2 * SZ_128K,
 247                 .mask_flags     = 0
 248         },
 249         /* file system */
 250         {
 251                 .name           = "filesystem",
 252                 .offset         = MTDPART_OFS_APPEND,
 253                 .size           = MTDPART_SIZ_FULL,
 254                 .mask_flags     = 0
 255         }
 256 };
 257
 258 static struct physmap_flash_data sx1_flash_data = {
 259         .width          = 2,
 260         .set_vpp        = omap1_set_vpp,
 261         .parts          = sx1_partitions,
 262         .nr_parts       = ARRAY_SIZE(sx1_partitions),
 263 };
 264
 265 /* MTD Intel 4000 flash - new flashes */
 266 static struct resource sx1_new_flash_resource = {
 267         .start          = OMAP_CS0_PHYS,
 268         .end            = OMAP_CS0_PHYS + SZ_32M - 1,
 269         .flags          = IORESOURCE_MEM,
 270 };
 271
 272 static struct platform_device sx1_flash_device = {
 273         .name           = "physmap-flash",
 274         .id             = 0,
 275         .dev            = {
 276                 .platform_data  = &sx1_flash_data,
 277         },
 278         .num_resources  = 1,
 279         .resource       = &sx1_new_flash_resource,
 280 };
 281
 282 /*----------- USB -------------------------*/
 283
 284 static struct omap_usb_config sx1_usb_config __initdata = {
 285         .otg            = 0,
 286         .register_dev   = 1,
 287         .register_host  = 0,
 288         .hmc_mode       = 0,
 289         .pins[0]        = 2,
 290         .pins[1]        = 0,
 291         .pins[2]        = 0,
 292 };
 293
 294 /*----------- LCD -------------------------*/
 295
 296 static const struct omap_lcd_config sx1_lcd_config __initconst = {
 297         .ctrl_name      = "internal",
 298 };
 299
 300 /*-----------------------------------------*/
 301 static struct platform_device *sx1_devices[] __initdata = {
 302         &sx1_flash_device,
 303         &sx1_kp_device,
 304 };
 305
 306 /*-----------------------------------------*/
 307
 308 static struct gpiod_lookup_table sx1_gpio_table = {
 309         .dev_id = NULL,
 310         .table = {
 311                 GPIO_LOOKUP("gpio-0-15", 1, "irda_off",
 312                             GPIO_ACTIVE_HIGH),
 313                 GPIO_LOOKUP("gpio-0-15", 11, "switch",
 314                             GPIO_ACTIVE_HIGH),
 315                 GPIO_LOOKUP("gpio-0-15", 15, "usb_on",
 316                             GPIO_ACTIVE_HIGH),
 317                 { }
 318         },
 319 };
 320
 321 static void __init omap_sx1_init(void)
 322 {
 323         struct gpio_desc *d;
 324
 325         /* mux pins for uarts */
 326         omap_cfg_reg(UART1_TX);
 327         omap_cfg_reg(UART1_RTS);
 328         omap_cfg_reg(UART2_TX);
 329         omap_cfg_reg(UART2_RTS);
 330         omap_cfg_reg(UART3_TX);
 331         omap_cfg_reg(UART3_RX);
 332
 333         platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices));
 334
 335         omap_serial_init();
 336         omap_register_i2c_bus(1, 100, NULL, 0);
 337         omap1_usb_init(&sx1_usb_config);
 338         sx1_mmc_init();
 339         gpiod_add_lookup_table(&sx1_gpio_table);
 340
 341         /* turn on USB power */
 342         /* sx1_setusbpower(1); can't do it here because i2c is not ready */
 343         d = gpiod_get(NULL, "irda_off", GPIOD_OUT_HIGH);
 344         if (IS_ERR(d))
 345                 pr_err("Unable to get IRDA OFF GPIO descriptor\n");
 346         else
 347                 gpiod_put(d);
 348         d = gpiod_get(NULL, "switch", GPIOD_OUT_LOW);
 349         if (IS_ERR(d))
 350                 pr_err("Unable to get SWITCH GPIO descriptor\n");
 351         else
 352                 gpiod_put(d);
 353         d = gpiod_get(NULL, "usb_on", GPIOD_OUT_LOW);
 354         if (IS_ERR(d))
 355                 pr_err("Unable to get USB ON GPIO descriptor\n");
 356         else
 357                 gpiod_put(d);
 358
 359         omapfb_set_lcd_config(&sx1_lcd_config);
 360 }
 361
 362 MACHINE_START(SX1, "OMAP310 based Siemens SX1")
 363         .atag_offset    = 0x100,
 364         .map_io         = omap1_map_io,
 365         .init_early     = omap1_init_early,
 366         .init_irq       = omap1_init_irq,
 367         .init_machine   = omap_sx1_init,
 368         .init_late      = omap1_init_late,
 369         .init_time      = omap1_timer_init,
 370         .restart        = omap1_restart,
 371 MACHINE_END