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 #include <linux/gpio.h> 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 <linux/platform_data/keypad-omap.h> 25 #include <linux/platform_data/lcd-mipid.h> 26 27 #include <asm/mach-types.h> 28 #include <asm/mach/arch.h> 29 #include <asm/mach/map.h> 30 31 #include <mach/mux.h> 32 33 #include <mach/hardware.h> 34 #include <mach/usb.h> 35 36 #include "common.h" 37 #include "clock.h" 38 #include "mmc.h" 39 40 #define ADS7846_PENDOWN_GPIO 15 41 42 static const unsigned int nokia770_keymap[] = { 43 KEY(1, 0, GROUP_0 | KEY_UP), 44 KEY(2, 0, GROUP_1 | KEY_F5), 45 KEY(0, 1, GROUP_0 | KEY_LEFT), 46 KEY(1, 1, GROUP_0 | KEY_ENTER), 47 KEY(2, 1, GROUP_0 | KEY_RIGHT), 48 KEY(0, 2, GROUP_1 | KEY_ESC), 49 KEY(1, 2, GROUP_0 | KEY_DOWN), 50 KEY(2, 2, GROUP_1 | KEY_F4), 51 KEY(0, 3, GROUP_2 | KEY_F7), 52 KEY(1, 3, GROUP_2 | KEY_F8), 53 KEY(2, 3, GROUP_2 | KEY_F6), 54 }; 55 56 static struct resource nokia770_kp_resources[] = { 57 [0] = { 58 .start = INT_KEYBOARD, 59 .end = INT_KEYBOARD, 60 .flags = IORESOURCE_IRQ, 61 }, 62 }; 63 64 static const struct matrix_keymap_data nokia770_keymap_data = { 65 .keymap = nokia770_keymap, 66 .keymap_size = ARRAY_SIZE(nokia770_keymap), 67 }; 68 69 static struct omap_kp_platform_data nokia770_kp_data = { 70 .rows = 8, 71 .cols = 8, 72 .keymap_data = &nokia770_keymap_data, 73 .delay = 4, 74 }; 75 76 static struct platform_device nokia770_kp_device = { 77 .name = "omap-keypad", 78 .id = -1, 79 .dev = { 80 .platform_data = &nokia770_kp_data, 81 }, 82 .num_resources = ARRAY_SIZE(nokia770_kp_resources), 83 .resource = nokia770_kp_resources, 84 }; 85 86 static struct platform_device *nokia770_devices[] __initdata = { 87 &nokia770_kp_device, 88 }; 89 90 static void mipid_shutdown(struct mipid_platform_data *pdata) 91 { 92 if (pdata->nreset_gpio != -1) { 93 printk(KERN_INFO "shutdown LCD\n"); 94 gpio_set_value(pdata->nreset_gpio, 0); 95 msleep(120); 96 } 97 } 98 99 static struct mipid_platform_data nokia770_mipid_platform_data = { 100 .shutdown = mipid_shutdown, 101 }; 102 103 static struct omap_lcd_config nokia770_lcd_config __initdata = { 104 .ctrl_name = "hwa742", 105 }; 106 107 static void __init mipid_dev_init(void) 108 { 109 nokia770_mipid_platform_data.nreset_gpio = 13; 110 nokia770_mipid_platform_data.data_lines = 16; 111 112 omapfb_set_lcd_config(&nokia770_lcd_config); 113 } 114 115 static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = { 116 .x_max = 0x0fff, 117 .y_max = 0x0fff, 118 .x_plate_ohms = 180, 119 .pressure_max = 255, 120 .debounce_max = 10, 121 .debounce_tol = 3, 122 .debounce_rep = 1, 123 .gpio_pendown = ADS7846_PENDOWN_GPIO, 124 }; 125 126 static struct spi_board_info nokia770_spi_board_info[] __initdata = { 127 [0] = { 128 .modalias = "lcd_mipid", 129 .bus_num = 2, 130 .chip_select = 3, 131 .max_speed_hz = 12000000, 132 .platform_data = &nokia770_mipid_platform_data, 133 }, 134 [1] = { 135 .modalias = "ads7846", 136 .bus_num = 2, 137 .chip_select = 0, 138 .max_speed_hz = 2500000, 139 .platform_data = &nokia770_ads7846_platform_data, 140 }, 141 }; 142 143 static void __init hwa742_dev_init(void) 144 { 145 clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL); 146 } 147 148 /* assume no Mini-AB port */ 149 150 static struct omap_usb_config nokia770_usb_config __initdata = { 151 .otg = 1, 152 .register_host = 1, 153 .register_dev = 1, 154 .hmc_mode = 16, 155 .pins[0] = 6, 156 }; 157 158 #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) 159 160 #define NOKIA770_GPIO_MMC_POWER 41 161 #define NOKIA770_GPIO_MMC_SWITCH 23 162 163 static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on, 164 int vdd) 165 { 166 gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on); 167 return 0; 168 } 169 170 static int nokia770_mmc_get_cover_state(struct device *dev, int slot) 171 { 172 return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH); 173 } 174 175 static struct omap_mmc_platform_data nokia770_mmc2_data = { 176 .nr_slots = 1, 177 .max_freq = 12000000, 178 .slots[0] = { 179 .set_power = nokia770_mmc_set_power, 180 .get_cover_state = nokia770_mmc_get_cover_state, 181 .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34, 182 .name = "mmcblk", 183 }, 184 }; 185 186 static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC]; 187 188 static void __init nokia770_mmc_init(void) 189 { 190 int ret; 191 192 ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power"); 193 if (ret < 0) 194 return; 195 gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0); 196 197 ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover"); 198 if (ret < 0) { 199 gpio_free(NOKIA770_GPIO_MMC_POWER); 200 return; 201 } 202 gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH); 203 204 /* Only the second MMC controller is used */ 205 nokia770_mmc_data[1] = &nokia770_mmc2_data; 206 omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC); 207 } 208 209 #else 210 static inline void nokia770_mmc_init(void) 211 { 212 } 213 #endif 214 215 static void __init omap_nokia770_init(void) 216 { 217 /* On Nokia 770, the SleepX signal is masked with an 218 * MPUIO line by default. It has to be unmasked for it 219 * to become functional */ 220 221 /* SleepX mask direction */ 222 omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008); 223 /* Unmask SleepX signal */ 224 omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004); 225 226 platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices)); 227 nokia770_spi_board_info[1].irq = gpio_to_irq(15); 228 spi_register_board_info(nokia770_spi_board_info, 229 ARRAY_SIZE(nokia770_spi_board_info)); 230 omap_serial_init(); 231 omap_register_i2c_bus(1, 100, NULL, 0); 232 hwa742_dev_init(); 233 mipid_dev_init(); 234 omap1_usb_init(&nokia770_usb_config); 235 nokia770_mmc_init(); 236 } 237 238 MACHINE_START(NOKIA770, "Nokia 770") 239 .atag_offset = 0x100, 240 .map_io = omap16xx_map_io, 241 .init_early = omap1_init_early, 242 .init_irq = omap1_init_irq, 243 .init_machine = omap_nokia770_init, 244 .init_late = omap1_init_late, 245 .timer = &omap1_timer, 246 .restart = omap1_restart, 247 MACHINE_END 248