1/* 2 * linux/arch/arm/mach-omap1/board-nokia770.c 3 * 4 * Modified from board-generic.c 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 */ 10 11#include <linux/kernel.h> 12#include <linux/init.h> 13#include <linux/mutex.h> 14#include <linux/platform_device.h> 15#include <linux/input.h> 16#include <linux/clk.h> 17#include <linux/omapfb.h> 18 19#include <linux/spi/spi.h> 20#include <linux/spi/ads7846.h> 21#include <linux/workqueue.h> 22#include <linux/delay.h> 23 24#include <mach/hardware.h> 25#include <asm/mach-types.h> 26#include <asm/mach/arch.h> 27#include <asm/mach/map.h> 28 29#include <mach/gpio.h> 30#include <plat/mux.h> 31#include <plat/usb.h> 32#include <plat/board.h> 33#include <plat/keypad.h> 34#include <plat/common.h> 35#include <plat/hwa742.h> 36#include <plat/lcd_mipid.h> 37#include <plat/mmc.h> 38#include <plat/clock.h> 39 40#define ADS7846_PENDOWN_GPIO 15 41 42static void __init omap_nokia770_init_irq(void) 43{ 44 /* On Nokia 770, the SleepX signal is masked with an 45 * MPUIO line by default. It has to be unmasked for it 46 * to become functional */ 47 48 /* SleepX mask direction */ 49 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008); 50 /* Unmask SleepX signal */ 51 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004); 52 53 omap1_init_common_hw(); 54 omap_init_irq(); 55} 56 57static int nokia770_keymap[] = { 58 KEY(0, 1, GROUP_0 | KEY_UP), 59 KEY(0, 2, GROUP_1 | KEY_F5), 60 KEY(1, 0, GROUP_0 | KEY_LEFT), 61 KEY(1, 1, GROUP_0 | KEY_ENTER), 62 KEY(1, 2, GROUP_0 | KEY_RIGHT), 63 KEY(2, 0, GROUP_1 | KEY_ESC), 64 KEY(2, 1, GROUP_0 | KEY_DOWN), 65 KEY(2, 2, GROUP_1 | KEY_F4), 66 KEY(3, 0, GROUP_2 | KEY_F7), 67 KEY(3, 1, GROUP_2 | KEY_F8), 68 KEY(3, 2, GROUP_2 | KEY_F6), 69 0 70}; 71 72static struct resource nokia770_kp_resources[] = { 73 [0] = { 74 .start = INT_KEYBOARD, 75 .end = INT_KEYBOARD, 76 .flags = IORESOURCE_IRQ, 77 }, 78}; 79 80static struct omap_kp_platform_data nokia770_kp_data = { 81 .rows = 8, 82 .cols = 8, 83 .keymap = nokia770_keymap, 84 .keymapsize = ARRAY_SIZE(nokia770_keymap), 85 .delay = 4, 86}; 87 88static struct platform_device nokia770_kp_device = { 89 .name = "omap-keypad", 90 .id = -1, 91 .dev = { 92 .platform_data = &nokia770_kp_data, 93 }, 94 .num_resources = ARRAY_SIZE(nokia770_kp_resources), 95 .resource = nokia770_kp_resources, 96}; 97 98static struct platform_device *nokia770_devices[] __initdata = { 99 &nokia770_kp_device, 100}; 101 102static void mipid_shutdown(struct mipid_platform_data *pdata) 103{ 104 if (pdata->nreset_gpio != -1) { 105 printk(KERN_INFO "shutdown LCD\n"); 106 gpio_set_value(pdata->nreset_gpio, 0); 107 msleep(120); 108 } 109} 110 111static struct mipid_platform_data nokia770_mipid_platform_data = { 112 .shutdown = mipid_shutdown, 113}; 114 115static void mipid_dev_init(void) 116{ 117 const struct omap_lcd_config *conf; 118 119 conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config); 120 if (conf != NULL) { 121 nokia770_mipid_platform_data.nreset_gpio = conf->nreset_gpio; 122 nokia770_mipid_platform_data.data_lines = conf->data_lines; 123 } 124} 125 126static void ads7846_dev_init(void) 127{ 128 if (gpio_request(ADS7846_PENDOWN_GPIO, "ADS7846 pendown") < 0) 129 printk(KERN_ERR "can't get ads7846 pen down GPIO\n"); 130} 131 132static int ads7846_get_pendown_state(void) 133{ 134 return !gpio_get_value(ADS7846_PENDOWN_GPIO); 135} 136 137static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = { 138 .x_max = 0x0fff, 139 .y_max = 0x0fff, 140 .x_plate_ohms = 180, 141 .pressure_max = 255, 142 .debounce_max = 10, 143 .debounce_tol = 3, 144 .debounce_rep = 1, 145 .get_pendown_state = ads7846_get_pendown_state, 146}; 147 148static struct spi_board_info nokia770_spi_board_info[] __initdata = { 149 [0] = { 150 .modalias = "lcd_mipid", 151 .bus_num = 2, 152 .chip_select = 3, 153 .max_speed_hz = 12000000, 154 .platform_data = &nokia770_mipid_platform_data, 155 }, 156 [1] = { 157 .modalias = "ads7846", 158 .bus_num = 2, 159 .chip_select = 0, 160 .max_speed_hz = 2500000, 161 .irq = OMAP_GPIO_IRQ(15), 162 .platform_data = &nokia770_ads7846_platform_data, 163 }, 164}; 165 166static struct hwa742_platform_data nokia770_hwa742_platform_data = { 167 .te_connected = 1, 168}; 169 170static void hwa742_dev_init(void) 171{ 172 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL); 173 omapfb_set_ctrl_platform_data(&nokia770_hwa742_platform_data); 174} 175 176/* assume no Mini-AB port */ 177 178static struct omap_usb_config nokia770_usb_config __initdata = { 179 .otg = 1, 180 .register_host = 1, 181 .register_dev = 1, 182 .hmc_mode = 16, 183 .pins[0] = 6, 184}; 185 186#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) 187 188#define NOKIA770_GPIO_MMC_POWER 41 189#define NOKIA770_GPIO_MMC_SWITCH 23 190 191static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, 192 int vdd) 193{ 194 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); 195 return 0; 196} 197 198static int nokia770_mmc_get_cover_state(struct device *dev, int slot) 199{ 200 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH); 201} 202 203static struct omap_mmc_platform_data nokia770_mmc2_data = { 204 .nr_slots = 1, 205 .dma_mask = 0xffffffff, 206 .max_freq = 12000000, 207 .slots[0] = { 208 .set_power = nokia770_mmc_set_power, 209 .get_cover_state = nokia770_mmc_get_cover_state, 210 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 211 .name = "mmcblk", 212 }, 213}; 214 215static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC]; 216 217static void __init nokia770_mmc_init(void) 218{ 219 int ret; 220 221 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power"); 222 if (ret < 0) 223 return; 224 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0); 225 226 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover"); 227 if (ret < 0) { 228 gpio_free(NOKIA770_GPIO_MMC_POWER); 229 return; 230 } 231 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH); 232 233 /* Only the second MMC controller is used */ 234 nokia770_mmc_data[1] = &nokia770_mmc2_data; 235 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC); 236} 237 238#else 239static inline void nokia770_mmc_init(void) 240{ 241} 242#endif 243 244static void __init omap_nokia770_init(void) 245{ 246 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); 247 spi_register_board_info(nokia770_spi_board_info, 248 ARRAY_SIZE(nokia770_spi_board_info)); 249 omap_gpio_init(); 250 omap_serial_init(); 251 omap_register_i2c_bus(1, 100, NULL, 0); 252 hwa742_dev_init(); 253 ads7846_dev_init(); 254 mipid_dev_init(); 255 omap1_usb_init(&nokia770_usb_config); 256 nokia770_mmc_init(); 257} 258 259static void __init omap_nokia770_map_io(void) 260{ 261 omap1_map_common_io(); 262} 263 264MACHINE_START(NOKIA770, "Nokia 770") 265 .phys_io = 0xfff00000, 266 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc, 267 .boot_params = 0x10000100, 268 .map_io = omap_nokia770_map_io, 269 .reserve = omap_reserve, 270 .init_irq = omap_nokia770_init_irq, 271 .init_machine = omap_nokia770_init, 272 .timer = &omap_timer, 273MACHINE_END 274