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 #include <linux/omap-dma.h> 30 #include "tc.h" 31 32 #include <asm/mach-types.h> 33 #include <asm/mach/arch.h> 34 #include <asm/mach/map.h> 35 36 #include "flash.h" 37 #include "mux.h" 38 #include "board-sx1.h" 39 #include "hardware.h" 40 #include "usb.h" 41 #include "common.h" 42 43 /* Write to I2C device */ 44 int sx1_i2c_write_byte(u8 devaddr, u8 regoffset, u8 value) 45 { 46 struct i2c_adapter *adap; 47 int err; 48 struct i2c_msg msg[1]; 49 unsigned char data[2]; 50 51 adap = i2c_get_adapter(0); 52 if (!adap) 53 return -ENODEV; 54 msg->addr = devaddr; /* I2C address of chip */ 55 msg->flags = 0; 56 msg->len = 2; 57 msg->buf = data; 58 data[0] = regoffset; /* register num */ 59 data[1] = value; /* register data */ 60 err = i2c_transfer(adap, msg, 1); 61 i2c_put_adapter(adap); 62 if (err >= 0) 63 return 0; 64 return err; 65 } 66 67 /* Read from I2C device */ 68 int sx1_i2c_read_byte(u8 devaddr, u8 regoffset, u8 *value) 69 { 70 struct i2c_adapter *adap; 71 int err; 72 struct i2c_msg msg[1]; 73 unsigned char data[2]; 74 75 adap = i2c_get_adapter(0); 76 if (!adap) 77 return -ENODEV; 78 79 msg->addr = devaddr; /* I2C address of chip */ 80 msg->flags = 0; 81 msg->len = 1; 82 msg->buf = data; 83 data[0] = regoffset; /* register num */ 84 err = i2c_transfer(adap, msg, 1); 85 86 msg->addr = devaddr; /* I2C address */ 87 msg->flags = I2C_M_RD; 88 msg->len = 1; 89 msg->buf = data; 90 err = i2c_transfer(adap, msg, 1); 91 *value = data[0]; 92 i2c_put_adapter(adap); 93 94 if (err >= 0) 95 return 0; 96 return err; 97 } 98 /* set keyboard backlight intensity */ 99 int sx1_setkeylight(u8 keylight) 100 { 101 if (keylight > SOFIA_MAX_LIGHT_VAL) 102 keylight = SOFIA_MAX_LIGHT_VAL; 103 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight); 104 } 105 /* get current keylight intensity */ 106 int sx1_getkeylight(u8 * keylight) 107 { 108 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight); 109 } 110 /* set LCD backlight intensity */ 111 int sx1_setbacklight(u8 backlight) 112 { 113 if (backlight > SOFIA_MAX_LIGHT_VAL) 114 backlight = SOFIA_MAX_LIGHT_VAL; 115 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, 116 backlight); 117 } 118 /* get current LCD backlight intensity */ 119 int sx1_getbacklight (u8 * backlight) 120 { 121 return sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG, 122 backlight); 123 } 124 /* set LCD backlight power on/off */ 125 int sx1_setmmipower(u8 onoff) 126 { 127 int err; 128 u8 dat = 0; 129 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); 130 if (err < 0) 131 return err; 132 if (onoff) 133 dat |= SOFIA_MMILIGHT_POWER; 134 else 135 dat &= ~SOFIA_MMILIGHT_POWER; 136 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); 137 } 138 139 /* set USB power on/off */ 140 int sx1_setusbpower(u8 onoff) 141 { 142 int err; 143 u8 dat = 0; 144 err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat); 145 if (err < 0) 146 return err; 147 if (onoff) 148 dat |= SOFIA_USB_POWER; 149 else 150 dat &= ~SOFIA_USB_POWER; 151 return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat); 152 } 153 154 EXPORT_SYMBOL(sx1_setkeylight); 155 EXPORT_SYMBOL(sx1_getkeylight); 156 EXPORT_SYMBOL(sx1_setbacklight); 157 EXPORT_SYMBOL(sx1_getbacklight); 158 EXPORT_SYMBOL(sx1_setmmipower); 159 EXPORT_SYMBOL(sx1_setusbpower); 160 161 /*----------- Keypad -------------------------*/ 162 163 static const unsigned int sx1_keymap[] = { 164 KEY(3, 5, GROUP_0 | 117), /* camera Qt::Key_F17 */ 165 KEY(4, 0, GROUP_0 | 114), /* voice memo Qt::Key_F14 */ 166 KEY(4, 1, GROUP_2 | 114), /* voice memo */ 167 KEY(4, 2, GROUP_3 | 114), /* voice memo */ 168 KEY(0, 0, GROUP_1 | KEY_F12), /* red button Qt::Key_Hangup */ 169 KEY(3, 4, GROUP_1 | KEY_LEFT), 170 KEY(3, 2, GROUP_1 | KEY_DOWN), 171 KEY(3, 1, GROUP_1 | KEY_RIGHT), 172 KEY(3, 0, GROUP_1 | KEY_UP), 173 KEY(3, 3, GROUP_1 | KEY_POWER), /* joystick press or Qt::Key_Select */ 174 KEY(0, 5, GROUP_1 | KEY_1), 175 KEY(0, 4, GROUP_1 | KEY_2), 176 KEY(0, 3, GROUP_1 | KEY_3), 177 KEY(4, 3, GROUP_1 | KEY_4), 178 KEY(4, 4, GROUP_1 | KEY_5), 179 KEY(4, 5, GROUP_1 | KEY_KPASTERISK),/* "*" */ 180 KEY(1, 4, GROUP_1 | KEY_6), 181 KEY(1, 5, GROUP_1 | KEY_7), 182 KEY(1, 3, GROUP_1 | KEY_8), 183 KEY(2, 3, GROUP_1 | KEY_9), 184 KEY(2, 5, GROUP_1 | KEY_0), 185 KEY(2, 4, GROUP_1 | 113), /* # F13 Toggle input method Qt::Key_F13 */ 186 KEY(1, 0, GROUP_1 | KEY_F11), /* green button Qt::Key_Call */ 187 KEY(2, 1, GROUP_1 | KEY_YEN), /* left soft Qt::Key_Context1 */ 188 KEY(2, 2, GROUP_1 | KEY_F8), /* right soft Qt::Key_Back */ 189 KEY(1, 2, GROUP_1 | KEY_LEFTSHIFT), /* shift */ 190 KEY(1, 1, GROUP_1 | KEY_BACKSPACE), /* C (clear) */ 191 KEY(2, 0, GROUP_1 | KEY_F7), /* menu Qt::Key_Menu */ 192 }; 193 194 static struct resource sx1_kp_resources[] = { 195 [0] = { 196 .start = INT_KEYBOARD, 197 .end = INT_KEYBOARD, 198 .flags = IORESOURCE_IRQ, 199 }, 200 }; 201 202 static const struct matrix_keymap_data sx1_keymap_data = { 203 .keymap = sx1_keymap, 204 .keymap_size = ARRAY_SIZE(sx1_keymap), 205 }; 206 207 static struct omap_kp_platform_data sx1_kp_data = { 208 .rows = 6, 209 .cols = 6, 210 .keymap_data = &sx1_keymap_data, 211 .delay = 80, 212 }; 213 214 static struct platform_device sx1_kp_device = { 215 .name = "omap-keypad", 216 .id = -1, 217 .dev = { 218 .platform_data = &sx1_kp_data, 219 }, 220 .num_resources = ARRAY_SIZE(sx1_kp_resources), 221 .resource = sx1_kp_resources, 222 }; 223 224 /*----------- MTD -------------------------*/ 225 226 static struct mtd_partition sx1_partitions[] = { 227 /* bootloader (U-Boot, etc) in first sector */ 228 { 229 .name = "bootloader", 230 .offset = 0x01800000, 231 .size = SZ_128K, 232 .mask_flags = MTD_WRITEABLE, /* force read-only */ 233 }, 234 /* bootloader params in the next sector */ 235 { 236 .name = "params", 237 .offset = MTDPART_OFS_APPEND, 238 .size = SZ_128K, 239 .mask_flags = 0, 240 }, 241 /* kernel */ 242 { 243 .name = "kernel", 244 .offset = MTDPART_OFS_APPEND, 245 .size = SZ_2M - 2 * SZ_128K, 246 .mask_flags = 0 247 }, 248 /* file system */ 249 { 250 .name = "filesystem", 251 .offset = MTDPART_OFS_APPEND, 252 .size = MTDPART_SIZ_FULL, 253 .mask_flags = 0 254 } 255 }; 256 257 static struct physmap_flash_data sx1_flash_data = { 258 .width = 2, 259 .set_vpp = omap1_set_vpp, 260 .parts = sx1_partitions, 261 .nr_parts = ARRAY_SIZE(sx1_partitions), 262 }; 263 264 /* MTD Intel 4000 flash - new flashes */ 265 static struct resource sx1_new_flash_resource = { 266 .start = OMAP_CS0_PHYS, 267 .end = OMAP_CS0_PHYS + SZ_32M - 1, 268 .flags = IORESOURCE_MEM, 269 }; 270 271 static struct platform_device sx1_flash_device = { 272 .name = "physmap-flash", 273 .id = 0, 274 .dev = { 275 .platform_data = &sx1_flash_data, 276 }, 277 .num_resources = 1, 278 .resource = &sx1_new_flash_resource, 279 }; 280 281 /*----------- USB -------------------------*/ 282 283 static struct omap_usb_config sx1_usb_config __initdata = { 284 .otg = 0, 285 .register_dev = 1, 286 .register_host = 0, 287 .hmc_mode = 0, 288 .pins[0] = 2, 289 .pins[1] = 0, 290 .pins[2] = 0, 291 }; 292 293 /*----------- LCD -------------------------*/ 294 295 static const struct omap_lcd_config sx1_lcd_config __initconst = { 296 .ctrl_name = "internal", 297 }; 298 299 /*-----------------------------------------*/ 300 static struct platform_device *sx1_devices[] __initdata = { 301 &sx1_flash_device, 302 &sx1_kp_device, 303 }; 304 305 /*-----------------------------------------*/ 306 307 static void __init omap_sx1_init(void) 308 { 309 /* mux pins for uarts */ 310 omap_cfg_reg(UART1_TX); 311 omap_cfg_reg(UART1_RTS); 312 omap_cfg_reg(UART2_TX); 313 omap_cfg_reg(UART2_RTS); 314 omap_cfg_reg(UART3_TX); 315 omap_cfg_reg(UART3_RX); 316 317 platform_add_devices(sx1_devices, ARRAY_SIZE(sx1_devices)); 318 319 omap_serial_init(); 320 omap_register_i2c_bus(1, 100, NULL, 0); 321 omap1_usb_init(&sx1_usb_config); 322 sx1_mmc_init(); 323 324 /* turn on USB power */ 325 /* sx1_setusbpower(1); can't do it here because i2c is not ready */ 326 gpio_request(1, "A_IRDA_OFF"); 327 gpio_request(11, "A_SWITCH"); 328 gpio_request(15, "A_USB_ON"); 329 gpio_direction_output(1, 1); /*A_IRDA_OFF = 1 */ 330 gpio_direction_output(11, 0); /*A_SWITCH = 0 */ 331 gpio_direction_output(15, 0); /*A_USB_ON = 0 */ 332 333 omapfb_set_lcd_config(&sx1_lcd_config); 334 } 335 336 MACHINE_START(SX1, "OMAP310 based Siemens SX1") 337 .atag_offset = 0x100, 338 .map_io = omap1_map_io, 339 .init_early = omap1_init_early, 340 .init_irq = omap1_init_irq, 341 .handle_irq = omap1_handle_irq, 342 .init_machine = omap_sx1_init, 343 .init_late = omap1_init_late, 344 .init_time = omap1_timer_init, 345 .restart = omap1_restart, 346 MACHINE_END 347