533 lines
13 KiB
C
533 lines
13 KiB
C
/*
|
|
* board-overo.c (Gumstix Overo)
|
|
*
|
|
* Initial code: Steve Sakoman <steve@sakoman.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
|
* 02110-1301 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/err.h>
|
|
#include <linux/init.h>
|
|
#include <linux/io.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/i2c/twl.h>
|
|
#include <linux/regulator/machine.h>
|
|
#include <linux/regulator/fixed.h>
|
|
#include <linux/spi/spi.h>
|
|
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/nand.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mmc/host.h>
|
|
#include <linux/usb/phy.h>
|
|
|
|
#include <linux/platform_data/mtd-nand-omap2.h>
|
|
#include <linux/platform_data/spi-omap2-mcspi.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/flash.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <video/omapdss.h>
|
|
#include <video/omap-panel-data.h>
|
|
|
|
#include "common.h"
|
|
#include "mux.h"
|
|
#include "sdram-micron-mt46h32m32lf-6.h"
|
|
#include "gpmc.h"
|
|
#include "hsmmc.h"
|
|
#include "board-flash.h"
|
|
#include "common-board-devices.h"
|
|
|
|
#define NAND_CS 0
|
|
|
|
#define OVERO_GPIO_BT_XGATE 15
|
|
#define OVERO_GPIO_W2W_NRESET 16
|
|
#define OVERO_GPIO_PENDOWN 114
|
|
#define OVERO_GPIO_BT_NRESET 164
|
|
#define OVERO_GPIO_USBH_CPEN 168
|
|
#define OVERO_GPIO_USBH_NRESET 183
|
|
|
|
#define OVERO_SMSC911X_CS 5
|
|
#define OVERO_SMSC911X_GPIO 176
|
|
#define OVERO_SMSC911X_NRESET 64
|
|
#define OVERO_SMSC911X2_CS 4
|
|
#define OVERO_SMSC911X2_GPIO 65
|
|
|
|
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
|
|
defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
|
|
|
|
/* fixed regulator for ads7846 */
|
|
static struct regulator_consumer_supply ads7846_supply[] = {
|
|
REGULATOR_SUPPLY("vcc", "spi1.0"),
|
|
};
|
|
|
|
static struct regulator_init_data vads7846_regulator = {
|
|
.constraints = {
|
|
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(ads7846_supply),
|
|
.consumer_supplies = ads7846_supply,
|
|
};
|
|
|
|
static struct fixed_voltage_config vads7846 = {
|
|
.supply_name = "vads7846",
|
|
.microvolts = 3300000, /* 3.3V */
|
|
.gpio = -EINVAL,
|
|
.startup_delay = 0,
|
|
.init_data = &vads7846_regulator,
|
|
};
|
|
|
|
static struct platform_device vads7846_device = {
|
|
.name = "reg-fixed-voltage",
|
|
.id = 1,
|
|
.dev = {
|
|
.platform_data = &vads7846,
|
|
},
|
|
};
|
|
|
|
static void __init overo_ads7846_init(void)
|
|
{
|
|
omap_ads7846_init(1, OVERO_GPIO_PENDOWN, 0, NULL);
|
|
platform_device_register(&vads7846_device);
|
|
}
|
|
|
|
#else
|
|
static inline void __init overo_ads7846_init(void) { return; }
|
|
#endif
|
|
|
|
#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
|
|
|
|
#include <linux/smsc911x.h>
|
|
#include "gpmc-smsc911x.h"
|
|
|
|
static struct omap_smsc911x_platform_data smsc911x_cfg = {
|
|
.id = 0,
|
|
.cs = OVERO_SMSC911X_CS,
|
|
.gpio_irq = OVERO_SMSC911X_GPIO,
|
|
.gpio_reset = OVERO_SMSC911X_NRESET,
|
|
.flags = SMSC911X_USE_32BIT,
|
|
};
|
|
|
|
static struct omap_smsc911x_platform_data smsc911x2_cfg = {
|
|
.id = 1,
|
|
.cs = OVERO_SMSC911X2_CS,
|
|
.gpio_irq = OVERO_SMSC911X2_GPIO,
|
|
.gpio_reset = -EINVAL,
|
|
.flags = SMSC911X_USE_32BIT,
|
|
};
|
|
|
|
static void __init overo_init_smsc911x(void)
|
|
{
|
|
gpmc_smsc911x_init(&smsc911x_cfg);
|
|
gpmc_smsc911x_init(&smsc911x2_cfg);
|
|
}
|
|
|
|
#else
|
|
static inline void __init overo_init_smsc911x(void) { return; }
|
|
#endif
|
|
|
|
/* DSS */
|
|
#define OVERO_GPIO_LCD_EN 144
|
|
#define OVERO_GPIO_LCD_BL 145
|
|
|
|
static struct tfp410_platform_data dvi_panel = {
|
|
.i2c_bus_num = 3,
|
|
.power_down_gpio = -1,
|
|
};
|
|
|
|
static struct omap_dss_device overo_dvi_device = {
|
|
.name = "dvi",
|
|
.type = OMAP_DISPLAY_TYPE_DPI,
|
|
.driver_name = "tfp410",
|
|
.data = &dvi_panel,
|
|
.phy.dpi.data_lines = 24,
|
|
};
|
|
|
|
static struct omap_dss_device overo_tv_device = {
|
|
.name = "tv",
|
|
.driver_name = "venc",
|
|
.type = OMAP_DISPLAY_TYPE_VENC,
|
|
.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
|
|
};
|
|
|
|
static struct panel_generic_dpi_data lcd43_panel = {
|
|
.name = "samsung_lte430wq_f0c",
|
|
.num_gpios = 2,
|
|
.gpios = {
|
|
OVERO_GPIO_LCD_EN,
|
|
OVERO_GPIO_LCD_BL
|
|
},
|
|
};
|
|
|
|
static struct omap_dss_device overo_lcd43_device = {
|
|
.name = "lcd43",
|
|
.type = OMAP_DISPLAY_TYPE_DPI,
|
|
.driver_name = "generic_dpi_panel",
|
|
.data = &lcd43_panel,
|
|
.phy.dpi.data_lines = 24,
|
|
};
|
|
|
|
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
|
|
defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
|
|
static struct panel_generic_dpi_data lcd35_panel = {
|
|
.num_gpios = 2,
|
|
.gpios = {
|
|
OVERO_GPIO_LCD_EN,
|
|
OVERO_GPIO_LCD_BL
|
|
},
|
|
};
|
|
|
|
static struct omap_dss_device overo_lcd35_device = {
|
|
.type = OMAP_DISPLAY_TYPE_DPI,
|
|
.name = "lcd35",
|
|
.driver_name = "lgphilips_lb035q02_panel",
|
|
.phy.dpi.data_lines = 24,
|
|
.data = &lcd35_panel,
|
|
};
|
|
#endif
|
|
|
|
static struct omap_dss_device *overo_dss_devices[] = {
|
|
&overo_dvi_device,
|
|
&overo_tv_device,
|
|
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
|
|
defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
|
|
&overo_lcd35_device,
|
|
#endif
|
|
&overo_lcd43_device,
|
|
};
|
|
|
|
static struct omap_dss_board_info overo_dss_data = {
|
|
.num_devices = ARRAY_SIZE(overo_dss_devices),
|
|
.devices = overo_dss_devices,
|
|
.default_device = &overo_dvi_device,
|
|
};
|
|
|
|
static struct mtd_partition overo_nand_partitions[] = {
|
|
{
|
|
.name = "xloader",
|
|
.offset = 0, /* Offset = 0x00000 */
|
|
.size = 4 * NAND_BLOCK_SIZE,
|
|
.mask_flags = MTD_WRITEABLE
|
|
},
|
|
{
|
|
.name = "uboot",
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
|
|
.size = 14 * NAND_BLOCK_SIZE,
|
|
},
|
|
{
|
|
.name = "uboot environment",
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x240000 */
|
|
.size = 2 * NAND_BLOCK_SIZE,
|
|
},
|
|
{
|
|
.name = "linux",
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
|
|
.size = 32 * NAND_BLOCK_SIZE,
|
|
},
|
|
{
|
|
.name = "rootfs",
|
|
.offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
|
|
.size = MTDPART_SIZ_FULL,
|
|
},
|
|
};
|
|
|
|
static struct omap2_hsmmc_info mmc[] = {
|
|
{
|
|
.mmc = 1,
|
|
.caps = MMC_CAP_4_BIT_DATA,
|
|
.gpio_cd = -EINVAL,
|
|
.gpio_wp = -EINVAL,
|
|
},
|
|
{
|
|
.mmc = 2,
|
|
.caps = MMC_CAP_4_BIT_DATA,
|
|
.gpio_cd = -EINVAL,
|
|
.gpio_wp = -EINVAL,
|
|
.transceiver = true,
|
|
.ocr_mask = 0x00100000, /* 3.3V */
|
|
},
|
|
{} /* Terminator */
|
|
};
|
|
|
|
static struct regulator_consumer_supply overo_vmmc1_supply[] = {
|
|
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
|
|
};
|
|
|
|
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
|
|
#include <linux/leds.h>
|
|
|
|
static struct gpio_led gpio_leds[] = {
|
|
{
|
|
.name = "overo:red:gpio21",
|
|
.default_trigger = "heartbeat",
|
|
.gpio = 21,
|
|
.active_low = true,
|
|
},
|
|
{
|
|
.name = "overo:blue:gpio22",
|
|
.default_trigger = "none",
|
|
.gpio = 22,
|
|
.active_low = true,
|
|
},
|
|
{
|
|
.name = "overo:blue:COM",
|
|
.default_trigger = "mmc0",
|
|
.gpio = -EINVAL, /* gets replaced */
|
|
.active_low = true,
|
|
},
|
|
};
|
|
|
|
static struct gpio_led_platform_data gpio_leds_pdata = {
|
|
.leds = gpio_leds,
|
|
.num_leds = ARRAY_SIZE(gpio_leds),
|
|
};
|
|
|
|
static struct platform_device gpio_leds_device = {
|
|
.name = "leds-gpio",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &gpio_leds_pdata,
|
|
},
|
|
};
|
|
|
|
static void __init overo_init_led(void)
|
|
{
|
|
platform_device_register(&gpio_leds_device);
|
|
}
|
|
|
|
#else
|
|
static inline void __init overo_init_led(void) { return; }
|
|
#endif
|
|
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
#include <linux/input.h>
|
|
#include <linux/gpio_keys.h>
|
|
|
|
static struct gpio_keys_button gpio_buttons[] = {
|
|
{
|
|
.code = BTN_0,
|
|
.gpio = 23,
|
|
.desc = "button0",
|
|
.wakeup = 1,
|
|
},
|
|
{
|
|
.code = BTN_1,
|
|
.gpio = 14,
|
|
.desc = "button1",
|
|
.wakeup = 1,
|
|
},
|
|
};
|
|
|
|
static struct gpio_keys_platform_data gpio_keys_pdata = {
|
|
.buttons = gpio_buttons,
|
|
.nbuttons = ARRAY_SIZE(gpio_buttons),
|
|
};
|
|
|
|
static struct platform_device gpio_keys_device = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &gpio_keys_pdata,
|
|
},
|
|
};
|
|
|
|
static void __init overo_init_keys(void)
|
|
{
|
|
platform_device_register(&gpio_keys_device);
|
|
}
|
|
|
|
#else
|
|
static inline void __init overo_init_keys(void) { return; }
|
|
#endif
|
|
|
|
static int overo_twl_gpio_setup(struct device *dev,
|
|
unsigned gpio, unsigned ngpio)
|
|
{
|
|
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
|
|
/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
|
|
gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
|
|
#endif
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct twl4030_gpio_platform_data overo_gpio_data = {
|
|
.use_leds = true,
|
|
.setup = overo_twl_gpio_setup,
|
|
};
|
|
|
|
static struct regulator_init_data overo_vmmc1 = {
|
|
.constraints = {
|
|
.min_uV = 1850000,
|
|
.max_uV = 3150000,
|
|
.valid_modes_mask = REGULATOR_MODE_NORMAL
|
|
| REGULATOR_MODE_STANDBY,
|
|
.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
|
|
| REGULATOR_CHANGE_MODE
|
|
| REGULATOR_CHANGE_STATUS,
|
|
},
|
|
.num_consumer_supplies = ARRAY_SIZE(overo_vmmc1_supply),
|
|
.consumer_supplies = overo_vmmc1_supply,
|
|
};
|
|
|
|
static struct twl4030_platform_data overo_twldata = {
|
|
.gpio = &overo_gpio_data,
|
|
.vmmc1 = &overo_vmmc1,
|
|
};
|
|
|
|
static int __init overo_i2c_init(void)
|
|
{
|
|
omap3_pmic_get_config(&overo_twldata,
|
|
TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
|
|
TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
|
|
|
|
overo_twldata.vpll2->constraints.name = "VDVI";
|
|
|
|
omap3_pmic_init("tps65950", &overo_twldata);
|
|
/* i2c2 pins are used for gpio */
|
|
omap_register_i2c_bus(3, 400, NULL, 0);
|
|
return 0;
|
|
}
|
|
|
|
static struct spi_board_info overo_spi_board_info[] __initdata = {
|
|
#if defined(CONFIG_PANEL_LGPHILIPS_LB035Q02) || \
|
|
defined(CONFIG_PANEL_LGPHILIPS_LB035Q02_MODULE)
|
|
{
|
|
.modalias = "lgphilips_lb035q02_panel-spi",
|
|
.bus_num = 1,
|
|
.chip_select = 1,
|
|
.max_speed_hz = 500000,
|
|
.mode = SPI_MODE_3,
|
|
},
|
|
#endif
|
|
};
|
|
|
|
static int __init overo_spi_init(void)
|
|
{
|
|
overo_ads7846_init();
|
|
spi_register_board_info(overo_spi_board_info,
|
|
ARRAY_SIZE(overo_spi_board_info));
|
|
return 0;
|
|
}
|
|
|
|
static struct usbhs_phy_data phy_data[] __initdata = {
|
|
{
|
|
.port = 2,
|
|
.reset_gpio = OVERO_GPIO_USBH_NRESET,
|
|
.vcc_gpio = -EINVAL,
|
|
},
|
|
};
|
|
|
|
static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
|
|
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
|
|
};
|
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
};
|
|
#endif
|
|
|
|
static struct gpio overo_bt_gpios[] __initdata = {
|
|
{ OVERO_GPIO_BT_XGATE, GPIOF_OUT_INIT_LOW, "lcd enable" },
|
|
{ OVERO_GPIO_BT_NRESET, GPIOF_OUT_INIT_HIGH, "lcd bl enable" },
|
|
};
|
|
|
|
static struct regulator_consumer_supply dummy_supplies[] = {
|
|
REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
|
|
REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
|
|
REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
|
|
REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
|
|
};
|
|
|
|
static void __init overo_init(void)
|
|
{
|
|
int ret;
|
|
|
|
regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
|
overo_i2c_init();
|
|
omap_hsmmc_init(mmc);
|
|
omap_display_init(&overo_dss_data);
|
|
omap_serial_init();
|
|
omap_sdrc_init(mt46h32m32lf6_sdrc_params,
|
|
mt46h32m32lf6_sdrc_params);
|
|
board_nand_init(overo_nand_partitions,
|
|
ARRAY_SIZE(overo_nand_partitions), NAND_CS, 0, NULL);
|
|
usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
|
|
usb_musb_init(NULL);
|
|
|
|
usbhs_init_phys(phy_data, ARRAY_SIZE(phy_data));
|
|
usbhs_init(&usbhs_bdata);
|
|
overo_spi_init();
|
|
overo_init_smsc911x();
|
|
overo_init_led();
|
|
overo_init_keys();
|
|
omap_twl4030_audio_init("overo", NULL);
|
|
|
|
/* Ensure SDRC pins are mux'd for self-refresh */
|
|
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
|
|
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
|
|
|
|
ret = gpio_request_one(OVERO_GPIO_W2W_NRESET, GPIOF_OUT_INIT_HIGH,
|
|
"OVERO_GPIO_W2W_NRESET");
|
|
if (ret == 0) {
|
|
gpio_export(OVERO_GPIO_W2W_NRESET, 0);
|
|
gpio_set_value(OVERO_GPIO_W2W_NRESET, 0);
|
|
udelay(10);
|
|
gpio_set_value(OVERO_GPIO_W2W_NRESET, 1);
|
|
} else {
|
|
pr_err("could not obtain gpio for OVERO_GPIO_W2W_NRESET\n");
|
|
}
|
|
|
|
ret = gpio_request_array(overo_bt_gpios, ARRAY_SIZE(overo_bt_gpios));
|
|
if (ret) {
|
|
pr_err("%s: could not obtain BT gpios\n", __func__);
|
|
} else {
|
|
gpio_export(OVERO_GPIO_BT_XGATE, 0);
|
|
gpio_export(OVERO_GPIO_BT_NRESET, 0);
|
|
gpio_set_value(OVERO_GPIO_BT_NRESET, 0);
|
|
mdelay(6);
|
|
gpio_set_value(OVERO_GPIO_BT_NRESET, 1);
|
|
}
|
|
|
|
ret = gpio_request_one(OVERO_GPIO_USBH_CPEN, GPIOF_OUT_INIT_HIGH,
|
|
"OVERO_GPIO_USBH_CPEN");
|
|
if (ret == 0)
|
|
gpio_export(OVERO_GPIO_USBH_CPEN, 0);
|
|
else
|
|
pr_err("could not obtain gpio for OVERO_GPIO_USBH_CPEN\n");
|
|
}
|
|
|
|
MACHINE_START(OVERO, "Gumstix Overo")
|
|
.atag_offset = 0x100,
|
|
.reserve = omap_reserve,
|
|
.map_io = omap3_map_io,
|
|
.init_early = omap35xx_init_early,
|
|
.init_irq = omap3_init_irq,
|
|
.handle_irq = omap3_intc_handle_irq,
|
|
.init_machine = overo_init,
|
|
.init_late = omap35xx_init_late,
|
|
.init_time = omap3_sync32k_timer_init,
|
|
.restart = omap3xxx_restart,
|
|
MACHINE_END
|