Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 1 | /* |
| 2 | * board-overo.c (Gumstix Overo) |
| 3 | * |
| 4 | * Initial code: Steve Sakoman <steve@sakoman.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or |
| 7 | * modify it under the terms of the GNU General Public License |
| 8 | * version 2 as published by the Free Software Foundation. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 18 | * 02110-1301 USA |
| 19 | * |
| 20 | */ |
| 21 | |
| 22 | #include <linux/clk.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/err.h> |
| 25 | #include <linux/init.h> |
| 26 | #include <linux/io.h> |
Axel Lin | f9fa1bb | 2011-05-31 20:55:44 +0800 | [diff] [blame] | 27 | #include <linux/gpio.h> |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 28 | #include <linux/kernel.h> |
| 29 | #include <linux/platform_device.h> |
Santosh Shilimkar | b07682b | 2009-12-13 20:05:51 +0100 | [diff] [blame] | 30 | #include <linux/i2c/twl.h> |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 31 | #include <linux/regulator/machine.h> |
Steve Sakoman | ca0a6a6 | 2011-03-05 10:12:26 -0600 | [diff] [blame] | 32 | #include <linux/regulator/fixed.h> |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 33 | #include <linux/spi/spi.h> |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 34 | |
| 35 | #include <linux/mtd/mtd.h> |
| 36 | #include <linux/mtd/nand.h> |
| 37 | #include <linux/mtd/partitions.h> |
Sukumar Ghorai | 3a63833 | 2010-09-15 14:49:23 +0000 | [diff] [blame] | 38 | #include <linux/mmc/host.h> |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 39 | |
| 40 | #include <asm/mach-types.h> |
| 41 | #include <asm/mach/arch.h> |
| 42 | #include <asm/mach/flash.h> |
| 43 | #include <asm/mach/map.h> |
| 44 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 45 | #include <plat/board.h> |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 46 | #include "common.h" |
Tomi Valkeinen | a0b38cc | 2011-05-11 14:05:07 +0300 | [diff] [blame] | 47 | #include <video/omapdss.h> |
Tomi Valkeinen | f8ae2f0 | 2011-05-10 19:48:10 +0300 | [diff] [blame] | 48 | #include <video/omap-panel-generic-dpi.h> |
Tomi Valkeinen | dac8eb5 | 2011-12-22 11:12:13 +0200 | [diff] [blame] | 49 | #include <video/omap-panel-tfp410.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 50 | #include <plat/gpmc.h> |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 51 | #include <mach/hardware.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 52 | #include <plat/nand.h> |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 53 | #include <plat/mcspi.h> |
| 54 | #include <plat/mux.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 55 | #include <plat/usb.h> |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 56 | |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 57 | #include "mux.h" |
Paul Walmsley | 2e12bd7 | 2009-05-28 14:03:59 -0700 | [diff] [blame] | 58 | #include "sdram-micron-mt46h32m32lf-6.h" |
Adrian Hunter | d02a900b | 2010-02-15 10:03:34 -0800 | [diff] [blame] | 59 | #include "hsmmc.h" |
Mike Rapoport | 96974a2 | 2011-04-25 01:09:05 +0300 | [diff] [blame] | 60 | #include "common-board-devices.h" |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 61 | |
Tony Lindgren | 0d4d9ab | 2009-03-23 18:07:38 -0700 | [diff] [blame] | 62 | #define OVERO_GPIO_BT_XGATE 15 |
| 63 | #define OVERO_GPIO_W2W_NRESET 16 |
Kevin Hilman | 6fd210a | 2009-07-20 09:09:23 -0700 | [diff] [blame] | 64 | #define OVERO_GPIO_PENDOWN 114 |
Tony Lindgren | 0d4d9ab | 2009-03-23 18:07:38 -0700 | [diff] [blame] | 65 | #define OVERO_GPIO_BT_NRESET 164 |
| 66 | #define OVERO_GPIO_USBH_CPEN 168 |
| 67 | #define OVERO_GPIO_USBH_NRESET 183 |
| 68 | |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 69 | #define OVERO_SMSC911X_CS 5 |
| 70 | #define OVERO_SMSC911X_GPIO 176 |
Steve Sakoman | 5c9a29e | 2010-05-10 14:29:18 -0700 | [diff] [blame] | 71 | #define OVERO_SMSC911X2_CS 4 |
| 72 | #define OVERO_SMSC911X2_GPIO 65 |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 73 | |
Steve Sakoman | c6a8131 | 2009-03-23 18:38:16 -0700 | [diff] [blame] | 74 | #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \ |
| 75 | defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE) |
| 76 | |
Steve Sakoman | ca0a6a6 | 2011-03-05 10:12:26 -0600 | [diff] [blame] | 77 | /* fixed regulator for ads7846 */ |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 78 | static struct regulator_consumer_supply ads7846_supply[] = { |
| 79 | REGULATOR_SUPPLY("vcc", "spi1.0"), |
| 80 | }; |
Steve Sakoman | ca0a6a6 | 2011-03-05 10:12:26 -0600 | [diff] [blame] | 81 | |
| 82 | static struct regulator_init_data vads7846_regulator = { |
| 83 | .constraints = { |
| 84 | .valid_ops_mask = REGULATOR_CHANGE_STATUS, |
| 85 | }, |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 86 | .num_consumer_supplies = ARRAY_SIZE(ads7846_supply), |
| 87 | .consumer_supplies = ads7846_supply, |
Steve Sakoman | ca0a6a6 | 2011-03-05 10:12:26 -0600 | [diff] [blame] | 88 | }; |
| 89 | |
| 90 | static struct fixed_voltage_config vads7846 = { |
| 91 | .supply_name = "vads7846", |
| 92 | .microvolts = 3300000, /* 3.3V */ |
| 93 | .gpio = -EINVAL, |
| 94 | .startup_delay = 0, |
| 95 | .init_data = &vads7846_regulator, |
| 96 | }; |
| 97 | |
| 98 | static struct platform_device vads7846_device = { |
| 99 | .name = "reg-fixed-voltage", |
| 100 | .id = 1, |
| 101 | .dev = { |
| 102 | .platform_data = &vads7846, |
| 103 | }, |
Steve Sakoman | c6a8131 | 2009-03-23 18:38:16 -0700 | [diff] [blame] | 104 | }; |
| 105 | |
| 106 | static void __init overo_ads7846_init(void) |
| 107 | { |
Mike Rapoport | 96974a2 | 2011-04-25 01:09:05 +0300 | [diff] [blame] | 108 | omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL); |
Steve Sakoman | ca0a6a6 | 2011-03-05 10:12:26 -0600 | [diff] [blame] | 109 | platform_device_register(&vads7846_device); |
Steve Sakoman | c6a8131 | 2009-03-23 18:38:16 -0700 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | #else |
| 113 | static inline void __init overo_ads7846_init(void) { return; } |
| 114 | #endif |
| 115 | |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 116 | #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) |
| 117 | |
| 118 | #include <linux/smsc911x.h> |
Mike Rapoport | 21b4273 | 2011-04-16 22:29:30 +0000 | [diff] [blame] | 119 | #include <plat/gpmc-smsc911x.h> |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 120 | |
Mike Rapoport | 21b4273 | 2011-04-16 22:29:30 +0000 | [diff] [blame] | 121 | static struct omap_smsc911x_platform_data smsc911x_cfg = { |
Steve Sakoman | 5c9a29e | 2010-05-10 14:29:18 -0700 | [diff] [blame] | 122 | .id = 0, |
Mike Rapoport | 21b4273 | 2011-04-16 22:29:30 +0000 | [diff] [blame] | 123 | .cs = OVERO_SMSC911X_CS, |
| 124 | .gpio_irq = OVERO_SMSC911X_GPIO, |
| 125 | .gpio_reset = -EINVAL, |
| 126 | .flags = SMSC911X_USE_32BIT, |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 127 | }; |
| 128 | |
Mike Rapoport | 21b4273 | 2011-04-16 22:29:30 +0000 | [diff] [blame] | 129 | static struct omap_smsc911x_platform_data smsc911x2_cfg = { |
Steve Sakoman | a5ba7ae | 2010-08-02 14:21:39 +0300 | [diff] [blame] | 130 | .id = 1, |
Mike Rapoport | 21b4273 | 2011-04-16 22:29:30 +0000 | [diff] [blame] | 131 | .cs = OVERO_SMSC911X2_CS, |
| 132 | .gpio_irq = OVERO_SMSC911X2_GPIO, |
| 133 | .gpio_reset = -EINVAL, |
| 134 | .flags = SMSC911X_USE_32BIT, |
Steve Sakoman | a5ba7ae | 2010-08-02 14:21:39 +0300 | [diff] [blame] | 135 | }; |
| 136 | |
Mike Rapoport | 21b4273 | 2011-04-16 22:29:30 +0000 | [diff] [blame] | 137 | static void __init overo_init_smsc911x(void) |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 138 | { |
Mike Rapoport | 21b4273 | 2011-04-16 22:29:30 +0000 | [diff] [blame] | 139 | gpmc_smsc911x_init(&smsc911x_cfg); |
| 140 | gpmc_smsc911x_init(&smsc911x2_cfg); |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 141 | } |
| 142 | |
| 143 | #else |
| 144 | static inline void __init overo_init_smsc911x(void) { return; } |
| 145 | #endif |
| 146 | |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 147 | /* DSS */ |
| 148 | static int lcd_enabled; |
| 149 | static int dvi_enabled; |
| 150 | |
| 151 | #define OVERO_GPIO_LCD_EN 144 |
| 152 | #define OVERO_GPIO_LCD_BL 145 |
| 153 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 154 | static struct gpio overo_dss_gpios[] __initdata = { |
| 155 | { OVERO_GPIO_LCD_EN, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_EN" }, |
| 156 | { OVERO_GPIO_LCD_BL, GPIOF_OUT_INIT_HIGH, "OVERO_GPIO_LCD_BL" }, |
| 157 | }; |
| 158 | |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 159 | static void __init overo_display_init(void) |
| 160 | { |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 161 | if (gpio_request_array(overo_dss_gpios, ARRAY_SIZE(overo_dss_gpios))) { |
| 162 | printk(KERN_ERR "could not obtain DSS control GPIOs\n"); |
| 163 | return; |
| 164 | } |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 165 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 166 | gpio_export(OVERO_GPIO_LCD_EN, 0); |
| 167 | gpio_export(OVERO_GPIO_LCD_BL, 0); |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 168 | } |
| 169 | |
Tomi Valkeinen | 2e6f2ee | 2012-03-05 14:29:28 +0200 | [diff] [blame] | 170 | static struct tfp410_platform_data dvi_panel = { |
Tomi Valkeinen | fcca719 | 2011-08-29 17:48:19 +0300 | [diff] [blame] | 171 | .i2c_bus_num = 3, |
Tomi Valkeinen | e813a55 | 2012-02-17 13:30:27 +0200 | [diff] [blame] | 172 | .power_down_gpio = -1, |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 173 | }; |
| 174 | |
| 175 | static struct omap_dss_device overo_dvi_device = { |
| 176 | .name = "dvi", |
| 177 | .type = OMAP_DISPLAY_TYPE_DPI, |
Tomi Valkeinen | 2e6f2ee | 2012-03-05 14:29:28 +0200 | [diff] [blame] | 178 | .driver_name = "tfp410", |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 179 | .data = &dvi_panel, |
| 180 | .phy.dpi.data_lines = 24, |
| 181 | }; |
| 182 | |
| 183 | static struct omap_dss_device overo_tv_device = { |
| 184 | .name = "tv", |
| 185 | .driver_name = "venc", |
| 186 | .type = OMAP_DISPLAY_TYPE_VENC, |
| 187 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, |
| 188 | }; |
| 189 | |
| 190 | static int overo_panel_enable_lcd(struct omap_dss_device *dssdev) |
| 191 | { |
| 192 | if (dvi_enabled) { |
| 193 | printk(KERN_ERR "cannot enable LCD, DVI is enabled\n"); |
| 194 | return -EINVAL; |
| 195 | } |
| 196 | |
| 197 | gpio_set_value(OVERO_GPIO_LCD_EN, 1); |
| 198 | gpio_set_value(OVERO_GPIO_LCD_BL, 1); |
| 199 | lcd_enabled = 1; |
| 200 | return 0; |
| 201 | } |
| 202 | |
| 203 | static void overo_panel_disable_lcd(struct omap_dss_device *dssdev) |
| 204 | { |
| 205 | gpio_set_value(OVERO_GPIO_LCD_EN, 0); |
| 206 | gpio_set_value(OVERO_GPIO_LCD_BL, 0); |
| 207 | lcd_enabled = 0; |
| 208 | } |
| 209 | |
| 210 | static struct panel_generic_dpi_data lcd43_panel = { |
| 211 | .name = "samsung_lte430wq_f0c", |
| 212 | .platform_enable = overo_panel_enable_lcd, |
| 213 | .platform_disable = overo_panel_disable_lcd, |
| 214 | }; |
| 215 | |
| 216 | static struct omap_dss_device overo_lcd43_device = { |
| 217 | .name = "lcd43", |
| 218 | .type = OMAP_DISPLAY_TYPE_DPI, |
| 219 | .driver_name = "generic_dpi_panel", |
| 220 | .data = &lcd43_panel, |
| 221 | .phy.dpi.data_lines = 24, |
| 222 | }; |
| 223 | |
| 224 | #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ |
| 225 | defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) |
| 226 | static struct omap_dss_device overo_lcd35_device = { |
| 227 | .type = OMAP_DISPLAY_TYPE_DPI, |
| 228 | .name = "lcd35", |
| 229 | .driver_name = "lgphilips_lb035q02_panel", |
| 230 | .phy.dpi.data_lines = 24, |
| 231 | .platform_enable = overo_panel_enable_lcd, |
| 232 | .platform_disable = overo_panel_disable_lcd, |
| 233 | }; |
| 234 | #endif |
| 235 | |
| 236 | static struct omap_dss_device *overo_dss_devices[] = { |
| 237 | &overo_dvi_device, |
| 238 | &overo_tv_device, |
| 239 | #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ |
| 240 | defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) |
| 241 | &overo_lcd35_device, |
| 242 | #endif |
| 243 | &overo_lcd43_device, |
| 244 | }; |
| 245 | |
| 246 | static struct omap_dss_board_info overo_dss_data = { |
| 247 | .num_devices = ARRAY_SIZE(overo_dss_devices), |
| 248 | .devices = overo_dss_devices, |
| 249 | .default_device = &overo_dvi_device, |
| 250 | }; |
| 251 | |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 252 | static struct mtd_partition overo_nand_partitions[] = { |
| 253 | { |
| 254 | .name = "xloader", |
| 255 | .offset = 0, /* Offset = 0x00000 */ |
| 256 | .size = 4 * NAND_BLOCK_SIZE, |
| 257 | .mask_flags = MTD_WRITEABLE |
| 258 | }, |
| 259 | { |
| 260 | .name = "uboot", |
| 261 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ |
| 262 | .size = 14 * NAND_BLOCK_SIZE, |
| 263 | }, |
| 264 | { |
| 265 | .name = "uboot environment", |
| 266 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */ |
| 267 | .size = 2 * NAND_BLOCK_SIZE, |
| 268 | }, |
| 269 | { |
| 270 | .name = "linux", |
| 271 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ |
| 272 | .size = 32 * NAND_BLOCK_SIZE, |
| 273 | }, |
| 274 | { |
| 275 | .name = "rootfs", |
| 276 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ |
| 277 | .size = MTDPART_SIZ_FULL, |
| 278 | }, |
| 279 | }; |
| 280 | |
Adrian Hunter | 68ff042 | 2010-02-15 10:03:34 -0800 | [diff] [blame] | 281 | static struct omap2_hsmmc_info mmc[] = { |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 282 | { |
| 283 | .mmc = 1, |
Sukumar Ghorai | 3a63833 | 2010-09-15 14:49:23 +0000 | [diff] [blame] | 284 | .caps = MMC_CAP_4_BIT_DATA, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 285 | .gpio_cd = -EINVAL, |
| 286 | .gpio_wp = -EINVAL, |
| 287 | }, |
| 288 | { |
| 289 | .mmc = 2, |
Sukumar Ghorai | 3a63833 | 2010-09-15 14:49:23 +0000 | [diff] [blame] | 290 | .caps = MMC_CAP_4_BIT_DATA, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 291 | .gpio_cd = -EINVAL, |
| 292 | .gpio_wp = -EINVAL, |
| 293 | .transceiver = true, |
| 294 | .ocr_mask = 0x00100000, /* 3.3V */ |
| 295 | }, |
| 296 | {} /* Terminator */ |
| 297 | }; |
| 298 | |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 299 | static struct regulator_consumer_supply overo_vmmc1_supply[] = { |
| 300 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 301 | }; |
| 302 | |
Steve Sakoman | 7c94f68 | 2011-03-09 18:08:05 -0600 | [diff] [blame] | 303 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
| 304 | #include <linux/leds.h> |
| 305 | |
| 306 | static struct gpio_led gpio_leds[] = { |
| 307 | { |
| 308 | .name = "overo:red:gpio21", |
| 309 | .default_trigger = "heartbeat", |
| 310 | .gpio = 21, |
| 311 | .active_low = true, |
| 312 | }, |
| 313 | { |
| 314 | .name = "overo:blue:gpio22", |
| 315 | .default_trigger = "none", |
| 316 | .gpio = 22, |
| 317 | .active_low = true, |
| 318 | }, |
| 319 | { |
| 320 | .name = "overo:blue:COM", |
| 321 | .default_trigger = "mmc0", |
| 322 | .gpio = -EINVAL, /* gets replaced */ |
| 323 | .active_low = true, |
| 324 | }, |
| 325 | }; |
| 326 | |
| 327 | static struct gpio_led_platform_data gpio_leds_pdata = { |
| 328 | .leds = gpio_leds, |
| 329 | .num_leds = ARRAY_SIZE(gpio_leds), |
| 330 | }; |
| 331 | |
| 332 | static struct platform_device gpio_leds_device = { |
| 333 | .name = "leds-gpio", |
| 334 | .id = -1, |
| 335 | .dev = { |
| 336 | .platform_data = &gpio_leds_pdata, |
| 337 | }, |
| 338 | }; |
| 339 | |
| 340 | static void __init overo_init_led(void) |
| 341 | { |
| 342 | platform_device_register(&gpio_leds_device); |
| 343 | } |
| 344 | |
| 345 | #else |
| 346 | static inline void __init overo_init_led(void) { return; } |
| 347 | #endif |
| 348 | |
Steve Sakoman | cce18a9 | 2011-03-09 18:08:06 -0600 | [diff] [blame] | 349 | #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| 350 | #include <linux/input.h> |
| 351 | #include <linux/gpio_keys.h> |
| 352 | |
| 353 | static struct gpio_keys_button gpio_buttons[] = { |
| 354 | { |
| 355 | .code = BTN_0, |
| 356 | .gpio = 23, |
| 357 | .desc = "button0", |
| 358 | .wakeup = 1, |
| 359 | }, |
| 360 | { |
| 361 | .code = BTN_1, |
| 362 | .gpio = 14, |
| 363 | .desc = "button1", |
| 364 | .wakeup = 1, |
| 365 | }, |
| 366 | }; |
| 367 | |
| 368 | static struct gpio_keys_platform_data gpio_keys_pdata = { |
| 369 | .buttons = gpio_buttons, |
| 370 | .nbuttons = ARRAY_SIZE(gpio_buttons), |
| 371 | }; |
| 372 | |
| 373 | static struct platform_device gpio_keys_device = { |
| 374 | .name = "gpio-keys", |
| 375 | .id = -1, |
| 376 | .dev = { |
| 377 | .platform_data = &gpio_keys_pdata, |
| 378 | }, |
| 379 | }; |
| 380 | |
| 381 | static void __init overo_init_keys(void) |
| 382 | { |
| 383 | platform_device_register(&gpio_keys_device); |
| 384 | } |
| 385 | |
| 386 | #else |
| 387 | static inline void __init overo_init_keys(void) { return; } |
| 388 | #endif |
| 389 | |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 390 | static int overo_twl_gpio_setup(struct device *dev, |
| 391 | unsigned gpio, unsigned ngpio) |
| 392 | { |
Steve Sakoman | 7c94f68 | 2011-03-09 18:08:05 -0600 | [diff] [blame] | 393 | #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE) |
| 394 | /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ |
| 395 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; |
| 396 | #endif |
| 397 | |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 398 | return 0; |
| 399 | } |
| 400 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 401 | static struct twl4030_gpio_platform_data overo_gpio_data = { |
| 402 | .gpio_base = OMAP_MAX_GPIO_LINES, |
| 403 | .irq_base = TWL4030_GPIO_IRQ_BASE, |
| 404 | .irq_end = TWL4030_GPIO_IRQ_END, |
Steve Sakoman | 7c94f68 | 2011-03-09 18:08:05 -0600 | [diff] [blame] | 405 | .use_leds = true, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 406 | .setup = overo_twl_gpio_setup, |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 407 | }; |
| 408 | |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 409 | static struct regulator_init_data overo_vmmc1 = { |
| 410 | .constraints = { |
| 411 | .min_uV = 1850000, |
| 412 | .max_uV = 3150000, |
| 413 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 414 | | REGULATOR_MODE_STANDBY, |
| 415 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 416 | | REGULATOR_CHANGE_MODE |
| 417 | | REGULATOR_CHANGE_STATUS, |
| 418 | }, |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 419 | .num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply), |
| 420 | .consumer_supplies = overo_vmmc1_supply, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 421 | }; |
| 422 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 423 | static struct twl4030_platform_data overo_twldata = { |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 424 | .gpio = &overo_gpio_data, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 425 | .vmmc1 = &overo_vmmc1, |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 426 | }; |
| 427 | |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 428 | static int __init overo_i2c_init(void) |
| 429 | { |
Peter Ujfalusi | 827ed9a | 2011-06-07 10:28:54 +0300 | [diff] [blame] | 430 | omap3_pmic_get_config(&overo_twldata, |
Peter Ujfalusi | b252b0e | 2011-06-07 11:38:24 +0300 | [diff] [blame] | 431 | TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO, |
| 432 | TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2); |
| 433 | |
| 434 | overo_twldata.vpll2->constraints.name = "VDVI"; |
| 435 | |
Mike Rapoport | fbd8071 | 2011-04-25 01:09:06 +0300 | [diff] [blame] | 436 | omap3_pmic_init("tps65950", &overo_twldata); |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 437 | /* i2c2 pins are used for gpio */ |
| 438 | omap_register_i2c_bus(3, 400, NULL, 0); |
| 439 | return 0; |
| 440 | } |
| 441 | |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 442 | static struct spi_board_info overo_spi_board_info[] __initdata = { |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 443 | #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \ |
| 444 | defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE) |
| 445 | { |
| 446 | .modalias = "lgphilips_lb035q02_panel-spi", |
| 447 | .bus_num = 1, |
| 448 | .chip_select = 1, |
| 449 | .max_speed_hz = 500000, |
| 450 | .mode = SPI_MODE_3, |
| 451 | }, |
| 452 | #endif |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 453 | }; |
| 454 | |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 455 | static int __init overo_spi_init(void) |
| 456 | { |
| 457 | overo_ads7846_init(); |
| 458 | spi_register_board_info(overo_spi_board_info, |
| 459 | ARRAY_SIZE(overo_spi_board_info)); |
| 460 | return 0; |
| 461 | } |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 462 | |
Keshava Munegowda | 181b250 | 2011-03-01 20:08:16 +0530 | [diff] [blame] | 463 | static const struct usbhs_omap_board_data usbhs_bdata __initconst = { |
| 464 | .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED, |
| 465 | .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, |
| 466 | .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, |
Felipe Balbi | 58a5491 | 2009-11-22 10:11:01 -0800 | [diff] [blame] | 467 | .phy_reset = true, |
| 468 | .reset_gpio_port[0] = -EINVAL, |
| 469 | .reset_gpio_port[1] = OVERO_GPIO_USBH_NRESET, |
| 470 | .reset_gpio_port[2] = -EINVAL |
| 471 | }; |
| 472 | |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 473 | #ifdef CONFIG_OMAP_MUX |
| 474 | static struct omap_board_mux board_mux[] __initdata = { |
| 475 | { .reg_offset = OMAP_MUX_TERMINATOR }, |
| 476 | }; |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 477 | #endif |
Felipe Balbi | 58a5491 | 2009-11-22 10:11:01 -0800 | [diff] [blame] | 478 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 479 | static struct gpio overo_bt_gpios[] __initdata = { |
| 480 | { OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" }, |
| 481 | { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" }, |
Maulik Mankad | 884b8369 | 2010-02-17 14:09:30 -0800 | [diff] [blame] | 482 | }; |
| 483 | |
Russ Dill | 5b3689f | 2012-03-23 02:21:37 -0700 | [diff] [blame] | 484 | static struct regulator_consumer_supply dummy_supplies[] = { |
| 485 | REGULATOR_SUPPLY("vddvario", "smsc911x.0"), |
| 486 | REGULATOR_SUPPLY("vdd33a", "smsc911x.0"), |
| 487 | REGULATOR_SUPPLY("vddvario", "smsc911x.1"), |
| 488 | REGULATOR_SUPPLY("vdd33a", "smsc911x.1"), |
| 489 | }; |
| 490 | |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 491 | static void __init overo_init(void) |
| 492 | { |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 493 | int ret; |
| 494 | |
Russ Dill | 5b3689f | 2012-03-23 02:21:37 -0700 | [diff] [blame] | 495 | regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies)); |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 496 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
Tony Lindgren | 3b972bf | 2012-02-20 09:43:29 -0800 | [diff] [blame] | 497 | omap_hsmmc_init(mmc); |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 498 | overo_i2c_init(); |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 499 | omap_display_init(&overo_dss_data); |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 500 | omap_serial_init(); |
Tony Lindgren | a4ca9db | 2011-08-22 23:57:23 -0700 | [diff] [blame] | 501 | omap_sdrc_init(mt46h32m32lf6_sdrc_params, |
| 502 | mt46h32m32lf6_sdrc_params); |
Mike Rapoport | 9a3f39f | 2011-04-25 01:09:07 +0300 | [diff] [blame] | 503 | omap_nand_flash_init(0, overo_nand_partitions, |
| 504 | ARRAY_SIZE(overo_nand_partitions)); |
Mike Rapoport | 9e18630 | 2011-04-27 11:56:12 +0300 | [diff] [blame] | 505 | usb_musb_init(NULL); |
Keshava Munegowda | 9e64bb1 | 2011-03-01 20:08:19 +0530 | [diff] [blame] | 506 | usbhs_init(&usbhs_bdata); |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 507 | overo_spi_init(); |
Steve Sakoman | 172ef27 | 2009-02-02 06:27:49 +0000 | [diff] [blame] | 508 | overo_init_smsc911x(); |
Steve Sakoman | 7b12d7b | 2011-03-05 07:58:39 -0600 | [diff] [blame] | 509 | overo_display_init(); |
Steve Sakoman | 7c94f68 | 2011-03-09 18:08:05 -0600 | [diff] [blame] | 510 | overo_init_led(); |
Steve Sakoman | cce18a9 | 2011-03-09 18:08:06 -0600 | [diff] [blame] | 511 | overo_init_keys(); |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 512 | |
Jean Pihet | 9fb9741 | 2009-07-24 19:43:25 -0600 | [diff] [blame] | 513 | /* Ensure SDRC pins are mux'd for self-refresh */ |
Tony Lindgren | 4896e39 | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 514 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); |
| 515 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); |
Jean Pihet | 9fb9741 | 2009-07-24 19:43:25 -0600 | [diff] [blame] | 516 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 517 | ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH, |
| 518 | "OVERO_GPIO_W2W_NRESET"); |
| 519 | if (ret == 0) { |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 520 | gpio_export(OVERO_GPIO_W2W_NRESET, 0); |
| 521 | gpio_set_value(OVERO_GPIO_W2W_NRESET, 0); |
| 522 | udelay(10); |
| 523 | gpio_set_value(OVERO_GPIO_W2W_NRESET, 1); |
| 524 | } else { |
| 525 | printk(KERN_ERR "could not obtain gpio for " |
| 526 | "OVERO_GPIO_W2W_NRESET\n"); |
| 527 | } |
| 528 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 529 | ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios)); |
| 530 | if (ret) { |
| 531 | pr_err("%s: could not obtain BT gpios\n", __func__); |
| 532 | } else { |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 533 | gpio_export(OVERO_GPIO_BT_XGATE, 0); |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 534 | gpio_export(OVERO_GPIO_BT_NRESET, 0); |
| 535 | gpio_set_value(OVERO_GPIO_BT_NRESET, 0); |
| 536 | mdelay(6); |
| 537 | gpio_set_value(OVERO_GPIO_BT_NRESET, 1); |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 538 | } |
| 539 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 540 | ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH, |
| 541 | "OVERO_GPIO_USBH_CPEN"); |
| 542 | if (ret == 0) |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 543 | gpio_export(OVERO_GPIO_USBH_CPEN, 0); |
| 544 | else |
| 545 | printk(KERN_ERR "could not obtain gpio for " |
| 546 | "OVERO_GPIO_USBH_CPEN\n"); |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 547 | } |
| 548 | |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 549 | MACHINE_START(OVERO, "Gumstix Overo") |
Nicolas Pitre | 5e52b43 | 2011-07-05 22:38:15 -0400 | [diff] [blame] | 550 | .atag_offset = 0x100, |
Russell King | 71ee7da | 2010-05-23 10:18:16 +0100 | [diff] [blame] | 551 | .reserve = omap_reserve, |
Russell King - ARM Linux | 3dc3bad | 2011-02-14 15:40:20 -0800 | [diff] [blame] | 552 | .map_io = omap3_map_io, |
Tony Lindgren | 8f5b5a4 | 2011-08-22 23:57:24 -0700 | [diff] [blame] | 553 | .init_early = omap35xx_init_early, |
Tony Lindgren | 741e3a8 | 2011-05-17 03:51:26 -0700 | [diff] [blame] | 554 | .init_irq = omap3_init_irq, |
Marc Zyngier | 6b2f55d | 2011-09-06 10:23:45 +0100 | [diff] [blame] | 555 | .handle_irq = omap3_intc_handle_irq, |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 556 | .init_machine = overo_init, |
Shawn Guo | bbd707a | 2012-04-26 16:06:50 +0800 | [diff] [blame] | 557 | .init_late = omap35xx_init_late, |
Tony Lindgren | e74984e | 2011-03-29 15:54:48 -0700 | [diff] [blame] | 558 | .timer = &omap3_timer, |
Russell King | baa9588 | 2011-11-05 17:06:28 +0000 | [diff] [blame] | 559 | .restart = omap_prcm_restart, |
Steve Sakoman | eba2645 | 2008-10-09 17:51:43 +0300 | [diff] [blame] | 560 | MACHINE_END |