linux-sg2042/arch/arm/mach-omap2/board-omap3pandora.c

624 lines
16 KiB
C

/*
* board-omap3pandora.c (Pandora Handheld Console)
*
* 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/init.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/regulator/machine.h>
#include <linux/i2c/twl.h>
#include <linux/wl12xx.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/leds.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/mmc/host.h>
#include <linux/mmc/card.h>
#include <linux/regulator/fixed.h>
#include <linux/platform_data/spi-omap2-mcspi.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
#include <plat/usb.h>
#include <video/omapdss.h>
#include <linux/platform_data/mtd-nand-omap2.h>
#include "mux.h"
#include "sdram-micron-mt46h32m32lf-6.h"
#include "hsmmc.h"
#include "common-board-devices.h"
#define PANDORA_WIFI_IRQ_GPIO 21
#define PANDORA_WIFI_NRESET_GPIO 23
#define OMAP3_PANDORA_TS_GPIO 94
static struct mtd_partition omap3pandora_nand_partitions[] = {
{
.name = "xloader",
.offset = 0,
.size = 4 * NAND_BLOCK_SIZE,
.mask_flags = MTD_WRITEABLE
}, {
.name = "uboot",
.offset = MTDPART_OFS_APPEND,
.size = 15 * NAND_BLOCK_SIZE,
}, {
.name = "uboot-env",
.offset = MTDPART_OFS_APPEND,
.size = 1 * NAND_BLOCK_SIZE,
}, {
.name = "boot",
.offset = MTDPART_OFS_APPEND,
.size = 80 * NAND_BLOCK_SIZE,
}, {
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
},
};
static struct omap_nand_platform_data pandora_nand_data = {
.cs = 0,
.devsize = NAND_BUSWIDTH_16,
.xfer_type = NAND_OMAP_PREFETCH_DMA,
.parts = omap3pandora_nand_partitions,
.nr_parts = ARRAY_SIZE(omap3pandora_nand_partitions),
};
static struct gpio_led pandora_gpio_leds[] = {
{
.name = "pandora::sd1",
.default_trigger = "mmc0",
.gpio = 128,
}, {
.name = "pandora::sd2",
.default_trigger = "mmc1",
.gpio = 129,
}, {
.name = "pandora::bluetooth",
.gpio = 158,
}, {
.name = "pandora::wifi",
.gpio = 159,
},
};
static struct gpio_led_platform_data pandora_gpio_led_data = {
.leds = pandora_gpio_leds,
.num_leds = ARRAY_SIZE(pandora_gpio_leds),
};
static struct platform_device pandora_leds_gpio = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &pandora_gpio_led_data,
},
};
static struct platform_device pandora_backlight = {
.name = "pandora-backlight",
.id = -1,
};
#define GPIO_BUTTON(gpio_num, ev_type, ev_code, act_low, descr) \
{ \
.gpio = gpio_num, \
.type = ev_type, \
.code = ev_code, \
.active_low = act_low, \
.debounce_interval = 4, \
.desc = "btn " descr, \
}
#define GPIO_BUTTON_LOW(gpio_num, event_code, description) \
GPIO_BUTTON(gpio_num, EV_KEY, event_code, 1, description)
static struct gpio_keys_button pandora_gpio_keys[] = {
GPIO_BUTTON_LOW(110, KEY_UP, "up"),
GPIO_BUTTON_LOW(103, KEY_DOWN, "down"),
GPIO_BUTTON_LOW(96, KEY_LEFT, "left"),
GPIO_BUTTON_LOW(98, KEY_RIGHT, "right"),
GPIO_BUTTON_LOW(109, KEY_PAGEUP, "game 1"),
GPIO_BUTTON_LOW(111, KEY_END, "game 2"),
GPIO_BUTTON_LOW(106, KEY_PAGEDOWN, "game 3"),
GPIO_BUTTON_LOW(101, KEY_HOME, "game 4"),
GPIO_BUTTON_LOW(102, KEY_RIGHTSHIFT, "l"),
GPIO_BUTTON_LOW(97, KEY_KPPLUS, "l2"),
GPIO_BUTTON_LOW(105, KEY_RIGHTCTRL, "r"),
GPIO_BUTTON_LOW(107, KEY_KPMINUS, "r2"),
GPIO_BUTTON_LOW(104, KEY_LEFTCTRL, "ctrl"),
GPIO_BUTTON_LOW(99, KEY_MENU, "menu"),
GPIO_BUTTON_LOW(176, KEY_COFFEE, "hold"),
GPIO_BUTTON(100, EV_KEY, KEY_LEFTALT, 0, "alt"),
GPIO_BUTTON(108, EV_SW, SW_LID, 1, "lid"),
};
static struct gpio_keys_platform_data pandora_gpio_key_info = {
.buttons = pandora_gpio_keys,
.nbuttons = ARRAY_SIZE(pandora_gpio_keys),
};
static struct platform_device pandora_keys_gpio = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &pandora_gpio_key_info,
},
};
static const uint32_t board_keymap[] = {
/* row, col, code */
KEY(0, 0, KEY_9),
KEY(0, 1, KEY_8),
KEY(0, 2, KEY_I),
KEY(0, 3, KEY_J),
KEY(0, 4, KEY_N),
KEY(0, 5, KEY_M),
KEY(1, 0, KEY_0),
KEY(1, 1, KEY_7),
KEY(1, 2, KEY_U),
KEY(1, 3, KEY_H),
KEY(1, 4, KEY_B),
KEY(1, 5, KEY_SPACE),
KEY(2, 0, KEY_BACKSPACE),
KEY(2, 1, KEY_6),
KEY(2, 2, KEY_Y),
KEY(2, 3, KEY_G),
KEY(2, 4, KEY_V),
KEY(2, 5, KEY_FN),
KEY(3, 0, KEY_O),
KEY(3, 1, KEY_5),
KEY(3, 2, KEY_T),
KEY(3, 3, KEY_F),
KEY(3, 4, KEY_C),
KEY(4, 0, KEY_P),
KEY(4, 1, KEY_4),
KEY(4, 2, KEY_R),
KEY(4, 3, KEY_D),
KEY(4, 4, KEY_X),
KEY(5, 0, KEY_K),
KEY(5, 1, KEY_3),
KEY(5, 2, KEY_E),
KEY(5, 3, KEY_S),
KEY(5, 4, KEY_Z),
KEY(6, 0, KEY_L),
KEY(6, 1, KEY_2),
KEY(6, 2, KEY_W),
KEY(6, 3, KEY_A),
KEY(6, 4, KEY_DOT),
KEY(7, 0, KEY_ENTER),
KEY(7, 1, KEY_1),
KEY(7, 2, KEY_Q),
KEY(7, 3, KEY_LEFTSHIFT),
KEY(7, 4, KEY_COMMA),
};
static struct matrix_keymap_data board_map_data = {
.keymap = board_keymap,
.keymap_size = ARRAY_SIZE(board_keymap),
};
static struct twl4030_keypad_data pandora_kp_data = {
.keymap_data = &board_map_data,
.rows = 8,
.cols = 6,
.rep = 1,
};
static struct omap_dss_device pandora_lcd_device = {
.name = "lcd",
.driver_name = "tpo_td043mtea1_panel",
.type = OMAP_DISPLAY_TYPE_DPI,
.phy.dpi.data_lines = 24,
.reset_gpio = 157,
};
static struct omap_dss_device pandora_tv_device = {
.name = "tv",
.driver_name = "venc",
.type = OMAP_DISPLAY_TYPE_VENC,
.phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
};
static struct omap_dss_device *pandora_dss_devices[] = {
&pandora_lcd_device,
&pandora_tv_device,
};
static struct omap_dss_board_info pandora_dss_data = {
.num_devices = ARRAY_SIZE(pandora_dss_devices),
.devices = pandora_dss_devices,
.default_device = &pandora_lcd_device,
};
static void pandora_wl1251_init_card(struct mmc_card *card)
{
/*
* We have TI wl1251 attached to MMC3. Pass this information to
* SDIO core because it can't be probed by normal methods.
*/
card->quirks |= MMC_QUIRK_NONSTD_SDIO;
card->cccr.wide_bus = 1;
card->cis.vendor = 0x104c;
card->cis.device = 0x9066;
card->cis.blksize = 512;
card->cis.max_dtr = 20000000;
}
static struct omap2_hsmmc_info omap3pandora_mmc[] = {
{
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = 126,
.ext_clock = 0,
.deferred = true,
},
{
.mmc = 2,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = 127,
.ext_clock = 1,
.transceiver = true,
.deferred = true,
},
{
.mmc = 3,
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.init_card = pandora_wl1251_init_card,
},
{} /* Terminator */
};
static int omap3pandora_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
int ret, gpio_32khz;
/* gpio + {0,1} is "mmc{0,1}_cd" (input/IRQ) */
omap3pandora_mmc[0].gpio_cd = gpio + 0;
omap3pandora_mmc[1].gpio_cd = gpio + 1;
omap_hsmmc_late_init(omap3pandora_mmc);
/* gpio + 13 drives 32kHz buffer for wifi module */
gpio_32khz = gpio + 13;
ret = gpio_request_one(gpio_32khz, GPIOF_OUT_INIT_HIGH, "wifi 32kHz");
if (ret < 0) {
pr_err("Cannot get GPIO line %d, ret=%d\n", gpio_32khz, ret);
return -ENODEV;
}
return 0;
}
static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
.setup = omap3pandora_twl_gpio_setup,
};
static struct regulator_consumer_supply pandora_vmmc1_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};
static struct regulator_consumer_supply pandora_vmmc2_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1")
};
static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
};
static struct regulator_consumer_supply pandora_vdds_supplies[] = {
REGULATOR_SUPPLY("vdds_sdi", "omapdss"),
REGULATOR_SUPPLY("vdds_dsi", "omapdss"),
REGULATOR_SUPPLY("vdds_dsi", "omapdss_dsi.0"),
};
static struct regulator_consumer_supply pandora_vcc_lcd_supply[] = {
REGULATOR_SUPPLY("vcc", "display0"),
};
static struct regulator_consumer_supply pandora_usb_phy_supply[] = {
REGULATOR_SUPPLY("hsusb1", "ehci-omap.0"),
};
/* ads7846 on SPI and 2 nub controllers on I2C */
static struct regulator_consumer_supply pandora_vaux4_supplies[] = {
REGULATOR_SUPPLY("vcc", "spi1.0"),
REGULATOR_SUPPLY("vcc", "3-0066"),
REGULATOR_SUPPLY("vcc", "3-0067"),
};
static struct regulator_consumer_supply pandora_adac_supply[] = {
REGULATOR_SUPPLY("vcc", "soc-audio"),
};
/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
static struct regulator_init_data pandora_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(pandora_vmmc1_supply),
.consumer_supplies = pandora_vmmc1_supply,
};
/* VMMC2 for MMC2 pins CMD, CLK, DAT0..DAT3 (max 100 mA) */
static struct regulator_init_data pandora_vmmc2 = {
.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(pandora_vmmc2_supply),
.consumer_supplies = pandora_vmmc2_supply,
};
/* VAUX1 for LCD */
static struct regulator_init_data pandora_vaux1 = {
.constraints = {
.min_uV = 3000000,
.max_uV = 3000000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(pandora_vcc_lcd_supply),
.consumer_supplies = pandora_vcc_lcd_supply,
};
/* VAUX2 for USB host PHY */
static struct regulator_init_data pandora_vaux2 = {
.constraints = {
.min_uV = 1800000,
.max_uV = 1800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(pandora_usb_phy_supply),
.consumer_supplies = pandora_usb_phy_supply,
};
/* VAUX4 for ads7846 and nubs */
static struct regulator_init_data pandora_vaux4 = {
.constraints = {
.min_uV = 2800000,
.max_uV = 2800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(pandora_vaux4_supplies),
.consumer_supplies = pandora_vaux4_supplies,
};
/* VSIM for audio DAC */
static struct regulator_init_data pandora_vsim = {
.constraints = {
.min_uV = 2800000,
.max_uV = 2800000,
.apply_uV = true,
.valid_modes_mask = REGULATOR_MODE_NORMAL
| REGULATOR_MODE_STANDBY,
.valid_ops_mask = REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(pandora_adac_supply),
.consumer_supplies = pandora_adac_supply,
};
/* Fixed regulator internal to Wifi module */
static struct regulator_init_data pandora_vmmc3 = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
.consumer_supplies = pandora_vmmc3_supply,
};
static struct fixed_voltage_config pandora_vwlan = {
.supply_name = "vwlan",
.microvolts = 1800000, /* 1.8V */
.gpio = PANDORA_WIFI_NRESET_GPIO,
.startup_delay = 50000, /* 50ms */
.enable_high = 1,
.enabled_at_boot = 0,
.init_data = &pandora_vmmc3,
};
static struct platform_device pandora_vwlan_device = {
.name = "reg-fixed-voltage",
.id = 1,
.dev = {
.platform_data = &pandora_vwlan,
},
};
static struct twl4030_bci_platform_data pandora_bci_data;
static struct twl4030_power_data pandora_power_data = {
.use_poweroff = true,
};
static struct twl4030_platform_data omap3pandora_twldata = {
.gpio = &omap3pandora_gpio_data,
.vmmc1 = &pandora_vmmc1,
.vmmc2 = &pandora_vmmc2,
.vaux1 = &pandora_vaux1,
.vaux2 = &pandora_vaux2,
.vaux4 = &pandora_vaux4,
.vsim = &pandora_vsim,
.keypad = &pandora_kp_data,
.bci = &pandora_bci_data,
.power = &pandora_power_data,
};
static struct i2c_board_info __initdata omap3pandora_i2c3_boardinfo[] = {
{
I2C_BOARD_INFO("bq27500", 0x55),
.flags = I2C_CLIENT_WAKE,
},
};
static int __init omap3pandora_i2c_init(void)
{
omap3_pmic_get_config(&omap3pandora_twldata,
TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_AUDIO,
TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
omap3pandora_twldata.vdac->constraints.apply_uV = true;
omap3pandora_twldata.vpll2->constraints.apply_uV = true;
omap3pandora_twldata.vpll2->num_consumer_supplies =
ARRAY_SIZE(pandora_vdds_supplies);
omap3pandora_twldata.vpll2->consumer_supplies = pandora_vdds_supplies;
omap3_pmic_init("tps65950", &omap3pandora_twldata);
/* i2c2 pins are not connected */
omap_register_i2c_bus(3, 100, omap3pandora_i2c3_boardinfo,
ARRAY_SIZE(omap3pandora_i2c3_boardinfo));
return 0;
}
static struct spi_board_info omap3pandora_spi_board_info[] __initdata = {
{
.modalias = "tpo_td043mtea1_panel_spi",
.bus_num = 1,
.chip_select = 1,
.max_speed_hz = 375000,
.platform_data = &pandora_lcd_device,
}
};
static void __init pandora_wl1251_init(void)
{
struct wl12xx_platform_data pandora_wl1251_pdata;
int ret;
memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
if (ret < 0)
goto fail;
pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
if (pandora_wl1251_pdata.irq < 0)
goto fail_irq;
pandora_wl1251_pdata.use_eeprom = true;
ret = wl12xx_set_platform_data(&pandora_wl1251_pdata);
if (ret < 0)
goto fail_irq;
return;
fail_irq:
gpio_free(PANDORA_WIFI_IRQ_GPIO);
fail:
printk(KERN_ERR "wl1251 board initialisation failed\n");
}
static struct platform_device *omap3pandora_devices[] __initdata = {
&pandora_leds_gpio,
&pandora_keys_gpio,
&pandora_vwlan_device,
&pandora_backlight,
};
static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
.port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
.phy_reset = true,
.reset_gpio_port[0] = -EINVAL,
.reset_gpio_port[1] = 16,
.reset_gpio_port[2] = -EINVAL
};
#ifdef CONFIG_OMAP_MUX
static struct omap_board_mux board_mux[] __initdata = {
{ .reg_offset = OMAP_MUX_TERMINATOR },
};
#endif
static void __init omap3pandora_init(void)
{
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap_hsmmc_init(omap3pandora_mmc);
omap3pandora_i2c_init();
pandora_wl1251_init();
platform_add_devices(omap3pandora_devices,
ARRAY_SIZE(omap3pandora_devices));
omap_display_init(&pandora_dss_data);
omap_serial_init();
omap_sdrc_init(mt46h32m32lf6_sdrc_params,
mt46h32m32lf6_sdrc_params);
spi_register_board_info(omap3pandora_spi_board_info,
ARRAY_SIZE(omap3pandora_spi_board_info));
omap_ads7846_init(1, OMAP3_PANDORA_TS_GPIO, 0, NULL);
usbhs_init(&usbhs_bdata);
usb_musb_init(NULL);
gpmc_nand_init(&pandora_nand_data);
/* 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);
}
MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
.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 = omap3pandora_init,
.init_late = omap35xx_init_late,
.timer = &omap3_timer,
.restart = omap_prcm_restart,
MACHINE_END