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.h> 15 #include <linux/kernel.h> 16 #include <linux/init.h> 17 #include <linux/input.h> 18 #include <linux/platform_device.h> 19 #include <linux/notifier.h> 20 #include <linux/mtd/mtd.h> 21 #include <linux/mtd/partitions.h> 22 #include <linux/mtd/physmap.h> 23 #include <linux/types.h> 24 #include <linux/i2c.h> 25 #include <linux/errno.h> 26 #include <linux/export.h> 27 #include <linux/omapfb.h> 28 #include <linux/platform_data/keypad-omap.h> 29 30 #include <asm/mach-types.h> 31 #include <asm/mach/arch.h> 32 #include <asm/mach/map.h> 33 34 #include "flash.h" 35 #include <mach/mux.h> 36 #include <linux/omap-dma.h> 37 #include <mach/tc.h> 38 #include "board-sx1.h" 39 40 #include <mach/hardware.h> 41 #include <mach/usb.h> 42 43 #include "common.h" 44 45 /* Write to I2C device */ 46 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value) 47 { 48 struct i2c_adapter *adap; 49 int err; 50 struct i2c_msg msg[1]; 51 unsigned char data[2]; 52 53 adap = i2c_get_adapter(0); 54 if (!adap) 55 return -ENODEV; 56 msg->addr = devaddr; /* I2C address of chip */ 57 msg->flags = 0; 58 msg->len = 2; 59 msg->buf = data; 60 data[0] = regoffset; /* register num */ 61 data[1] = value; /* register data */ 62 err = i2c_transfer(adap, msg, 1); 63 i2c_put_adapter(adap); 64 if (err >= 0) 65 return 0; 66 return err; 67 } 68 69 /* Read from I2C device */ 70 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value) 71 { 72 struct i2c_adapter *adap; 73 int err; 74 struct i2c_msg msg[1]; 75 unsigned char data[2]; 76 77 adap = i2c_get_adapter(0); 78 if (!adap) 79 return -ENODEV; 80 81 msg->addr = devaddr; /* I2C address of chip */ 82 msg->flags = 0; 83 msg->len = 1; 84 msg->buf = data; 85 data[0] = regoffset; /* register num */ 86 err = i2c_transfer(adap, msg, 1); 87 88 msg->addr = devaddr; /* I2C address */ 89 msg->flags = I2C_M_RD; 90 msg->len = 1; 91 msg->buf = data; 92 err = i2c_transfer(adap, msg, 1); 93 *value = data[0]; 94 i2c_put_adapter(adap); 95 96 if (err >= 0) 97 return 0; 98 return err; 99 } 100 /* set keyboard backlight intensity */ 101 int sx1_setkeylight(u8 keylight) 102 { 103 if (keylight > SOFIA_MAX_LIGHT_VAL) 104 keylight = SOFIA_MAX_LIGHT_VAL; 105 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight); 106 } 107 /* get current keylight intensity */ 108 int sx1_getkeylight(u8 * keylight) 109 { 110 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight); 111 } 112 /* set LCD backlight intensity */ 113 int sx1_setbacklight(u8 backlight) 114 { 115 if (backlight > SOFIA_MAX_LIGHT_VAL) 116 backlight = SOFIA_MAX_LIGHT_VAL; 117 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, 118 backlight); 119 } 120 /* get current LCD backlight intensity */ 121 int sx1_getbacklight (u8 * backlight) 122 { 123 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, 124 backlight); 125 } 126 /* set LCD backlight power on/off */ 127 int sx1_setmmipower(u8 onoff) 128 { 129 int err; 130 u8 dat = 0; 131 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); 132 if (err < 0) 133 return err; 134 if (onoff) 135 dat |= SOFIA_MMILIGHT_POWER; 136 else 137 dat &= ~SOFIA_MMILIGHT_POWER; 138 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); 139 } 140 141 /* set USB power on/off */ 142 int sx1_setusbpower(u8 onoff) 143 { 144 int err; 145 u8 dat = 0; 146 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); 147 if (err < 0) 148 return err; 149 if (onoff) 150 dat |= SOFIA_USB_POWER; 151 else 152 dat &= ~SOFIA_USB_POWER; 153 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); 154 } 155 156 EXPORT_SYMBOL(sx1_setkeylight); 157 EXPORT_SYMBOL(sx1_getkeylight); 158 EXPORT_SYMBOL(sx1_setbacklight); 159 EXPORT_SYMBOL(sx1_getbacklight); 160 EXPORT_SYMBOL(sx1_setmmipower); 161 EXPORT_SYMBOL(sx1_setusbpower); 162 163 /*----------- Keypad -------------------------*/ 164 165 static const unsigned int sx1_keymap[] = { 166 KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */ 167 KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */ 168 KEY(4, 1, GROUP_2 | 114), /* voice memo */ 169 KEY(4, 2, GROUP_3 | 114), /* voice memo */ 170 KEY(0, 0, GROUP_1 | KEY_F12), /* red button Qt::Key_Hangup */ 171 KEY(3, 4, GROUP_1 | KEY_LEFT), 172 KEY(3, 2, GROUP_1 | KEY_DOWN), 173 KEY(3, 1, GROUP_1 | KEY_RIGHT), 174 KEY(3, 0, GROUP_1 | KEY_UP), 175 KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */ 176 KEY(0, 5, GROUP_1 | KEY_1), 177 KEY(0, 4, GROUP_1 | KEY_2), 178 KEY(0, 3, GROUP_1 | KEY_3), 179 KEY(4, 3, GROUP_1 | KEY_4), 180 KEY(4, 4, GROUP_1 | KEY_5), 181 KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */ 182 KEY(1, 4, GROUP_1 | KEY_6), 183 KEY(1, 5, GROUP_1 | KEY_7), 184 KEY(1, 3, GROUP_1 | KEY_8), 185 KEY(2, 3, GROUP_1 | KEY_9), 186 KEY(2, 5, GROUP_1 | KEY_0), 187 KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */ 188 KEY(1, 0, GROUP_1 | KEY_F11), /* green button Qt::Key_Call */ 189 KEY(2, 1, GROUP_1 | KEY_YEN), /* left soft Qt::Key_Context1 */ 190 KEY(2, 2, GROUP_1 | KEY_F8), /* right soft Qt::Key_Back */ 191 KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */ 192 KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */ 193 KEY(2, 0, GROUP_1 | KEY_F7), /* menu Qt::Key_Menu */ 194 }; 195 196 static struct resource sx1_kp_resources[] = { 197 [0] = { 198 .start = INT_KEYBOARD, 199 .end = INT_KEYBOARD, 200 .flags = IORESOURCE_IRQ, 201 }, 202 }; 203 204 static const struct matrix_keymap_data sx1_keymap_data = { 205 .keymap = sx1_keymap, 206 .keymap_size = ARRAY_SIZE(sx1_keymap), 207 }; 208 209 static struct omap_kp_platform_data sx1_kp_data = { 210 .rows = 6, 211 .cols = 6, 212 .keymap_data = &sx1_keymap_data, 213 .delay = 80, 214 }; 215 216 static struct platform_device sx1_kp_device = { 217 .name = "omap-keypad", 218 .id = -1, 219 .dev = { 220 .platform_data = &sx1_kp_data, 221 }, 222 .num_resources = ARRAY_SIZE(sx1_kp_resources), 223 .resource = sx1_kp_resources, 224 }; 225 226 /*----------- MTD -------------------------*/ 227 228 static struct mtd_partition sx1_partitions[] = { 229 /* bootloader (U-Boot, etc) in first sector */ 230 { 231 .name = "bootloader", 232 .offset = 0x01800000, 233 .size = SZ_128K, 234 .mask_flags = MTD_WRITEABLE, /* force read-only */ 235 }, 236 /* bootloader params in the next sector */ 237 { 238 .name = "params", 239 .offset = MTDPART_OFS_APPEND, 240 .size = SZ_128K, 241 .mask_flags = 0, 242 }, 243 /* kernel */ 244 { 245 .name = "kernel", 246 .offset = MTDPART_OFS_APPEND, 247 .size = SZ_2M - 2 * SZ_128K, 248 .mask_flags = 0 249 }, 250 /* file system */ 251 { 252 .name = "filesystem", 253 .offset = MTDPART_OFS_APPEND, 254 .size = MTDPART_SIZ_FULL, 255 .mask_flags = 0 256 } 257 }; 258 259 static struct physmap_flash_data sx1_flash_data = { 260 .width = 2, 261 .set_vpp = omap1_set_vpp, 262 .parts = sx1_partitions, 263 .nr_parts = ARRAY_SIZE(sx1_partitions), 264 }; 265 266 /* MTD Intel 4000 flash - new flashes */ 267 static struct resource sx1_new_flash_resource = { 268 .start = OMAP_CS0_PHYS, 269 .end = OMAP_CS0_PHYS + SZ_32M - 1, 270 .flags = IORESOURCE_MEM, 271 }; 272 273 static struct platform_device sx1_flash_device = { 274 .name = "physmap-flash", 275 .id = 0, 276 .dev = { 277 .platform_data = &sx1_flash_data, 278 }, 279 .num_resources = 1, 280 .resource = &sx1_new_flash_resource, 281 }; 282 283 /*----------- USB -------------------------*/ 284 285 static struct omap_usb_config sx1_usb_config __initdata = { 286 .otg = 0, 287 .register_dev = 1, 288 .register_host = 0, 289 .hmc_mode = 0, 290 .pins[0] = 2, 291 .pins[1] = 0, 292 .pins[2] = 0, 293 }; 294 295 /*----------- LCD -------------------------*/ 296 297 static const struct omap_lcd_config sx1_lcd_config __initconst = { 298 .ctrl_name = "internal", 299 }; 300 301 /*-----------------------------------------*/ 302 static struct platform_device *sx1_devices[] __initdata = { 303 &sx1_flash_device, 304 &sx1_kp_device, 305 }; 306 307 /*-----------------------------------------*/ 308 309 static void __init omap_sx1_init(void) 310 { 311 /* mux pins for uarts */ 312 omap_cfg_reg(UART1_TX); 313 omap_cfg_reg(UART1_RTS); 314 omap_cfg_reg(UART2_TX); 315 omap_cfg_reg(UART2_RTS); 316 omap_cfg_reg(UART3_TX); 317 omap_cfg_reg(UART3_RX); 318 319 platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices)); 320 321 omap_serial_init(); 322 omap_register_i2c_bus(1, 100, NULL, 0); 323 omap1_usb_init(&sx1_usb_config); 324 sx1_mmc_init(); 325 326 /* turn on USB power */ 327 /* sx1_setusbpower(1); can't do it here because i2c is not ready */ 328 gpio_request(1, "A_IRDA_OFF"); 329 gpio_request(11, "A_SWITCH"); 330 gpio_request(15, "A_USB_ON"); 331 gpio_direction_output(1, 1); /*A_IRDA_OFF = 1 */ 332 gpio_direction_output(11, 0); /*A_SWITCH = 0 */ 333 gpio_direction_output(15, 0); /*A_USB_ON = 0 */ 334 335 omapfb_set_lcd_config(&sx1_lcd_config); 336 } 337 338 MACHINE_START(SX1, "OMAP310 based Siemens SX1") 339 .atag_offset = 0x100, 340 .map_io = omap15xx_map_io, 341 .init_early = omap1_init_early, 342 .init_irq = omap1_init_irq, 343 .handle_irq = omap1_handle_irq, 344 .init_machine = omap_sx1_init, 345 .init_late = omap1_init_late, 346 .init_time = omap1_timer_init, 347 .restart = omap1_restart, 348 MACHINE_END 349