2 * board-overo.c (Gumstix Overo)
4 * Initial code: Steve Sakoman <steve@sakoman.com>
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.
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.
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
22 #include <linux/clk.h>
23 #include <linux/delay.h>
24 #include <linux/err.h>
25 #include <linux/init.h>
27 #include <linux/gpio.h>
28 #include <linux/kernel.h>
29 #include <linux/platform_device.h>
30 #include <linux/i2c/twl.h>
31 #include <linux/regulator/machine.h>
32 #include <linux/regulator/fixed.h>
33 #include <linux/spi/spi.h>
35 #include <linux/mtd/mtd.h>
36 #include <linux/mtd/nand.h>
37 #include <linux/mtd/partitions.h>
38 #include <linux/mmc/host.h>
39 #include <linux/usb/phy.h>
41 #include <linux/platform_data/mtd-nand-omap2.h>
42 #include <linux/platform_data/spi-omap2-mcspi.h>
44 #include <asm/mach-types.h>
45 #include <asm/mach/arch.h>
46 #include <asm/mach/flash.h>
47 #include <asm/mach/map.h>
49 #include <video/omapdss.h>
50 #include <video/omap-panel-data.h>
54 #include "sdram-micron-mt46h32m32lf-6.h"
57 #include "board-flash.h"
58 #include "common-board-devices.h"
62 #define OVERO_GPIO_BT_XGATE 15
63 #define OVERO_GPIO_W2W_NRESET 16
64 #define OVERO_GPIO_PENDOWN 114
65 #define OVERO_GPIO_BT_NRESET 164
66 #define OVERO_GPIO_USBH_CPEN 168
67 #define OVERO_GPIO_USBH_NRESET 183
69 #define OVERO_SMSC911X_CS 5
70 #define OVERO_SMSC911X_GPIO 176
71 #define OVERO_SMSC911X2_CS 4
72 #define OVERO_SMSC911X2_GPIO 65
74 #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
75 defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
77 /* fixed regulator for ads7846 */
78 static struct regulator_consumer_supply ads7846_supply[] = {
79 REGULATOR_SUPPLY("vcc", "spi1.0"),
82 static struct regulator_init_data vads7846_regulator = {
84 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
86 .num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
87 .consumer_supplies = ads7846_supply,
90 static struct fixed_voltage_config vads7846 = {
91 .supply_name = "vads7846",
92 .microvolts = 3300000, /* 3.3V */
95 .init_data = &vads7846_regulator,
98 static struct platform_device vads7846_device = {
99 .name = "reg-fixed-voltage",
102 .platform_data = &vads7846,
106 static void __init overo_ads7846_init(void)
108 omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
109 platform_device_register(&vads7846_device);
113 static inline void __init overo_ads7846_init(void) { return; }
116 #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
118 #include <linux/smsc911x.h>
119 #include "gpmc-smsc911x.h"
121 static struct omap_smsc911x_platform_data smsc911x_cfg = {
123 .cs = OVERO_SMSC911X_CS,
124 .gpio_irq = OVERO_SMSC911X_GPIO,
125 .gpio_reset = -EINVAL,
126 .flags = SMSC911X_USE_32BIT,
129 static struct omap_smsc911x_platform_data smsc911x2_cfg = {
131 .cs = OVERO_SMSC911X2_CS,
132 .gpio_irq = OVERO_SMSC911X2_GPIO,
133 .gpio_reset = -EINVAL,
134 .flags = SMSC911X_USE_32BIT,
137 static void __init overo_init_smsc911x(void)
139 gpmc_smsc911x_init(&smsc911x_cfg);
140 gpmc_smsc911x_init(&smsc911x2_cfg);
144 static inline void __init overo_init_smsc911x(void) { return; }
148 #define OVERO_GPIO_LCD_EN 144
149 #define OVERO_GPIO_LCD_BL 145
151 static struct tfp410_platform_data dvi_panel = {
153 .power_down_gpio = -1,
156 static struct omap_dss_device overo_dvi_device = {
158 .type = OMAP_DISPLAY_TYPE_DPI,
159 .driver_name = "tfp410",
161 .phy.dpi.data_lines = 24,
164 static struct omap_dss_device overo_tv_device = {
166 .driver_name = "venc",
167 .type = OMAP_DISPLAY_TYPE_VENC,
168 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
171 static struct panel_generic_dpi_data lcd43_panel = {
172 .name = "samsung_lte430wq_f0c",
180 static struct omap_dss_device overo_lcd43_device = {
182 .type = OMAP_DISPLAY_TYPE_DPI,
183 .driver_name = "generic_dpi_panel",
184 .data = &lcd43_panel,
185 .phy.dpi.data_lines = 24,
188 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
189 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
190 static struct panel_generic_dpi_data lcd35_panel = {
198 static struct omap_dss_device overo_lcd35_device = {
199 .type = OMAP_DISPLAY_TYPE_DPI,
201 .driver_name = "lgphilips_lb035q02_panel",
202 .phy.dpi.data_lines = 24,
203 .data = &lcd35_panel,
207 static struct omap_dss_device *overo_dss_devices[] = {
210 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
211 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
217 static struct omap_dss_board_info overo_dss_data = {
218 .num_devices = ARRAY_SIZE(overo_dss_devices),
219 .devices = overo_dss_devices,
220 .default_device = &overo_dvi_device,
223 static struct mtd_partition overo_nand_partitions[] = {
226 .offset = 0, /* Offset = 0x00000 */
227 .size = 4 * NAND_BLOCK_SIZE,
228 .mask_flags = MTD_WRITEABLE
232 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
233 .size = 14 * NAND_BLOCK_SIZE,
236 .name = "uboot environment",
237 .offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
238 .size = 2 * NAND_BLOCK_SIZE,
242 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
243 .size = 32 * NAND_BLOCK_SIZE,
247 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
248 .size = MTDPART_SIZ_FULL,
252 static struct omap2_hsmmc_info mmc[] = {
255 .caps = MMC_CAP_4_BIT_DATA,
261 .caps = MMC_CAP_4_BIT_DATA,
265 .ocr_mask = 0x00100000, /* 3.3V */
270 static struct regulator_consumer_supply overo_vmmc1_supply[] = {
271 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
274 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
275 #include <linux/leds.h>
277 static struct gpio_led gpio_leds[] = {
279 .name = "overo:red:gpio21",
280 .default_trigger = "heartbeat",
285 .name = "overo:blue:gpio22",
286 .default_trigger = "none",
291 .name = "overo:blue:COM",
292 .default_trigger = "mmc0",
293 .gpio = -EINVAL, /* gets replaced */
298 static struct gpio_led_platform_data gpio_leds_pdata = {
300 .num_leds = ARRAY_SIZE(gpio_leds),
303 static struct platform_device gpio_leds_device = {
307 .platform_data = &gpio_leds_pdata,
311 static void __init overo_init_led(void)
313 platform_device_register(&gpio_leds_device);
317 static inline void __init overo_init_led(void) { return; }
320 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
321 #include <linux/input.h>
322 #include <linux/gpio_keys.h>
324 static struct gpio_keys_button gpio_buttons[] = {
339 static struct gpio_keys_platform_data gpio_keys_pdata = {
340 .buttons = gpio_buttons,
341 .nbuttons = ARRAY_SIZE(gpio_buttons),
344 static struct platform_device gpio_keys_device = {
348 .platform_data = &gpio_keys_pdata,
352 static void __init overo_init_keys(void)
354 platform_device_register(&gpio_keys_device);
358 static inline void __init overo_init_keys(void) { return; }
361 static int overo_twl_gpio_setup(struct device *dev,
362 unsigned gpio, unsigned ngpio)
364 #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
365 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
366 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
372 static struct twl4030_gpio_platform_data overo_gpio_data = {
374 .setup = overo_twl_gpio_setup,
377 static struct regulator_init_data overo_vmmc1 = {
381 .valid_modes_mask = REGULATOR_MODE_NORMAL
382 | REGULATOR_MODE_STANDBY,
383 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
384 | REGULATOR_CHANGE_MODE
385 | REGULATOR_CHANGE_STATUS,
387 .num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply),
388 .consumer_supplies = overo_vmmc1_supply,
391 static struct twl4030_platform_data overo_twldata = {
392 .gpio = &overo_gpio_data,
393 .vmmc1 = &overo_vmmc1,
396 static int __init overo_i2c_init(void)
398 omap3_pmic_get_config(&overo_twldata,
399 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
400 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
402 overo_twldata.vpll2->constraints.name = "VDVI";
404 omap3_pmic_init("tps65950", &overo_twldata);
405 /* i2c2 pins are used for gpio */
406 omap_register_i2c_bus(3, 400, NULL, 0);
410 static struct spi_board_info overo_spi_board_info[] __initdata = {
411 #if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
412 defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
414 .modalias = "lgphilips_lb035q02_panel-spi",
417 .max_speed_hz = 500000,
423 static int __init overo_spi_init(void)
425 overo_ads7846_init();
426 spi_register_board_info(overo_spi_board_info,
427 ARRAY_SIZE(overo_spi_board_info));
431 static struct usbhs_phy_data phy_data[] __initdata = {
434 .reset_gpio = OVERO_GPIO_USBH_NRESET,
439 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
440 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
443 #ifdef CONFIG_OMAP_MUX
444 static struct omap_board_mux board_mux[] __initdata = {
445 { .reg_offset = OMAP_MUX_TERMINATOR },
449 static struct gpio overo_bt_gpios[] __initdata = {
450 { OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
451 { OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
454 static struct regulator_consumer_supply dummy_supplies[] = {
455 REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
456 REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
457 REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
458 REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
461 static void __init overo_init(void)
465 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
466 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
468 omap_hsmmc_init(mmc);
469 omap_display_init(&overo_dss_data);
471 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
472 mt46h32m32lf6_sdrc_params);
473 board_nand_init(overo_nand_partitions,
474 ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
475 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
478 usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
479 usbhs_init(&usbhs_bdata);
481 overo_init_smsc911x();
484 omap_twl4030_audio_init("overo", NULL);
486 /* Ensure SDRC pins are mux'd for self-refresh */
487 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
488 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
490 ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
491 "OVERO_GPIO_W2W_NRESET");
493 gpio_export(OVERO_GPIO_W2W_NRESET, 0);
494 gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
496 gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
498 pr_err("could not obtain gpio for OVERO_GPIO_W2W_NRESET\n");
501 ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
503 pr_err("%s: could not obtain BT gpios\n", __func__);
505 gpio_export(OVERO_GPIO_BT_XGATE, 0);
506 gpio_export(OVERO_GPIO_BT_NRESET, 0);
507 gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
509 gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
512 ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
513 "OVERO_GPIO_USBH_CPEN");
515 gpio_export(OVERO_GPIO_USBH_CPEN, 0);
517 pr_err("could not obtain gpio for OVERO_GPIO_USBH_CPEN\n");
520 MACHINE_START(OVERO, "Gumstix Overo")
521 .atag_offset = 0x100,
522 .reserve = omap_reserve,
523 .map_io = omap3_map_io,
524 .init_early = omap35xx_init_early,
525 .init_irq = omap3_init_irq,
526 .handle_irq = omap3_intc_handle_irq,
527 .init_machine = overo_init,
528 .init_late = omap35xx_init_late,
529 .init_time = omap3_sync32k_timer_init,
530 .restart = omap3xxx_restart,