linux/arch/arm/mach-omap2/board-zoom-peripherals.c

305 lines
7.5 KiB
C

/*
* Copyright (C) 2009 Texas Instruments Inc.
*
* Modified from mach-omap2/board-zoom2.c
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/input/matrix_keypad.h>
#include <linux/gpio.h>
#include <linux/i2c/twl.h>
#include <linux/regulator/machine.h>
#include <linux/regulator/fixed.h>
#include <linux/wl12xx.h>
#include <linux/mmc/host.h>
#include <linux/platform_data/gpio-omap.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "common.h"
#include "board-zoom.h"
#include "mux.h"
#include "hsmmc.h"
#include "common-board-devices.h"
#define OMAP_ZOOM_WLAN_PMENA_GPIO (101)
#define ZOOM2_HEADSET_EXTMUTE_GPIO (153)
#define OMAP_ZOOM_WLAN_IRQ_GPIO (162)
#define LCD_PANEL_ENABLE_GPIO (7 + OMAP_MAX_GPIO_LINES)
/* Zoom2 has Qwerty keyboard*/
static uint32_t board_keymap[] = {
KEY(0, 0, KEY_E),
KEY(0, 1, KEY_R),
KEY(0, 2, KEY_T),
KEY(0, 3, KEY_HOME),
KEY(0, 6, KEY_I),
KEY(0, 7, KEY_LEFTSHIFT),
KEY(1, 0, KEY_D),
KEY(1, 1, KEY_F),
KEY(1, 2, KEY_G),
KEY(1, 3, KEY_SEND),
KEY(1, 6, KEY_K),
KEY(1, 7, KEY_ENTER),
KEY(2, 0, KEY_X),
KEY(2, 1, KEY_C),
KEY(2, 2, KEY_V),
KEY(2, 3, KEY_END),
KEY(2, 6, KEY_DOT),
KEY(2, 7, KEY_CAPSLOCK),
KEY(3, 0, KEY_Z),
KEY(3, 1, KEY_KPPLUS),
KEY(3, 2, KEY_B),
KEY(3, 3, KEY_F1),
KEY(3, 6, KEY_O),
KEY(3, 7, KEY_SPACE),
KEY(4, 0, KEY_W),
KEY(4, 1, KEY_Y),
KEY(4, 2, KEY_U),
KEY(4, 3, KEY_F2),
KEY(4, 4, KEY_VOLUMEUP),
KEY(4, 6, KEY_L),
KEY(4, 7, KEY_LEFT),
KEY(5, 0, KEY_S),
KEY(5, 1, KEY_H),
KEY(5, 2, KEY_J),
KEY(5, 3, KEY_F3),
KEY(5, 4, KEY_UNKNOWN),
KEY(5, 5, KEY_VOLUMEDOWN),
KEY(5, 6, KEY_M),
KEY(5, 7, KEY_RIGHT),
KEY(6, 0, KEY_Q),
KEY(6, 1, KEY_A),
KEY(6, 2, KEY_N),
KEY(6, 3, KEY_BACKSPACE),
KEY(6, 6, KEY_P),
KEY(6, 7, KEY_UP),
KEY(7, 0, KEY_PROG1), /*MACRO 1 <User defined> */
KEY(7, 1, KEY_PROG2), /*MACRO 2 <User defined> */
KEY(7, 2, KEY_PROG3), /*MACRO 3 <User defined> */
KEY(7, 3, KEY_PROG4), /*MACRO 4 <User defined> */
KEY(7, 6, KEY_SELECT),
KEY(7, 7, KEY_DOWN)
};
static struct matrix_keymap_data board_map_data = {
.keymap = board_keymap,
.keymap_size = ARRAY_SIZE(board_keymap),
};
static struct twl4030_keypad_data zoom_kp_twl4030_data = {
.keymap_data = &board_map_data,
.rows = 8,
.cols = 8,
.rep = 1,
};
static struct regulator_consumer_supply zoom_vmmc1_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
};
static struct regulator_consumer_supply zoom_vsim_supply[] = {
REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
};
static struct regulator_consumer_supply zoom_vmmc2_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1"),
};
static struct regulator_consumer_supply zoom_vmmc3_supply[] = {
REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
};
/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
static struct regulator_init_data zoom_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(zoom_vmmc1_supply),
.consumer_supplies = zoom_vmmc1_supply,
};
/* VMMC2 for MMC2 card */
static struct regulator_init_data zoom_vmmc2 = {
.constraints = {
.min_uV = 1850000,
.max_uV = 1850000,
.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(zoom_vmmc2_supply),
.consumer_supplies = zoom_vmmc2_supply,
};
/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
static struct regulator_init_data zoom_vsim = {
.constraints = {
.min_uV = 1800000,
.max_uV = 3000000,
.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(zoom_vsim_supply),
.consumer_supplies = zoom_vsim_supply,
};
static struct regulator_init_data zoom_vmmc3 = {
.constraints = {
.valid_ops_mask = REGULATOR_CHANGE_STATUS,
},
.num_consumer_supplies = ARRAY_SIZE(zoom_vmmc3_supply),
.consumer_supplies = zoom_vmmc3_supply,
};
static struct fixed_voltage_config zoom_vwlan = {
.supply_name = "vwl1271",
.microvolts = 1800000, /* 1.8V */
.gpio = OMAP_ZOOM_WLAN_PMENA_GPIO,
.startup_delay = 70000, /* 70msec */
.enable_high = 1,
.enabled_at_boot = 0,
.init_data = &zoom_vmmc3,
};
static struct platform_device omap_vwlan_device = {
.name = "reg-fixed-voltage",
.id = 1,
.dev = {
.platform_data = &zoom_vwlan,
},
};
static struct wl12xx_platform_data omap_zoom_wlan_data __initdata = {
.board_ref_clock = WL12XX_REFCLOCK_26, /* 26 MHz */
};
static struct omap2_hsmmc_info mmc[] = {
{
.name = "external",
.mmc = 1,
.caps = MMC_CAP_4_BIT_DATA,
.gpio_wp = -EINVAL,
.power_saving = true,
.deferred = true,
},
{
.name = "internal",
.mmc = 2,
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
.gpio_cd = -EINVAL,
.gpio_wp = -EINVAL,
.nonremovable = true,
.power_saving = true,
},
{
.name = "wl1271",
.mmc = 3,
.caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
.gpio_wp = -EINVAL,
.gpio_cd = -EINVAL,
.nonremovable = true,
},
{} /* Terminator */
};
static int zoom_twl_gpio_setup(struct device *dev,
unsigned gpio, unsigned ngpio)
{
int ret;
/* gpio + 0 is "mmc0_cd" (input/IRQ) */
mmc[0].gpio_cd = gpio + 0;
omap_hsmmc_late_init(mmc);
ret = gpio_request_one(LCD_PANEL_ENABLE_GPIO, GPIOF_OUT_INIT_LOW,
"lcd enable");
if (ret)
pr_err("Failed to get LCD_PANEL_ENABLE_GPIO (gpio%d).\n",
LCD_PANEL_ENABLE_GPIO);
return ret;
}
static struct twl4030_gpio_platform_data zoom_gpio_data = {
.setup = zoom_twl_gpio_setup,
};
static struct twl4030_platform_data zoom_twldata = {
/* platform_data for children goes here */
.gpio = &zoom_gpio_data,
.keypad = &zoom_kp_twl4030_data,
.vmmc1 = &zoom_vmmc1,
.vmmc2 = &zoom_vmmc2,
.vsim = &zoom_vsim,
};
static int __init omap_i2c_init(void)
{
omap3_pmic_get_config(&zoom_twldata,
TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_BCI |
TWL_COMMON_PDATA_MADC | TWL_COMMON_PDATA_AUDIO,
TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
if (machine_is_omap_zoom2()) {
struct twl4030_codec_data *codec_data;
codec_data = zoom_twldata.audio->codec;
codec_data->ramp_delay_value = 3; /* 161 ms */
codec_data->hs_extmute = 1;
codec_data->hs_extmute_gpio = ZOOM2_HEADSET_EXTMUTE_GPIO;
}
omap_pmic_init(1, 2400, "twl5030", 7 + OMAP_INTC_START, &zoom_twldata);
omap_register_i2c_bus(2, 400, NULL, 0);
omap_register_i2c_bus(3, 400, NULL, 0);
return 0;
}
static void enable_board_wakeup_source(void)
{
/* T2 interrupt line (keypad) */
omap_mux_init_signal("sys_nirq",
OMAP_WAKEUP_EN | OMAP_PIN_INPUT_PULLUP);
}
void __init zoom_peripherals_init(void)
{
int ret;
omap_zoom_wlan_data.irq = gpio_to_irq(OMAP_ZOOM_WLAN_IRQ_GPIO);
ret = wl12xx_set_platform_data(&omap_zoom_wlan_data);
if (ret)
pr_err("error setting wl12xx data: %d\n", ret);
omap_hsmmc_init(mmc);
omap_i2c_init();
platform_device_register(&omap_vwlan_device);
usb_musb_init(NULL);
enable_board_wakeup_source();
omap_serial_init();
}