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 372