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linux/arch/arm/mach-omap1/board-nokia770.c

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/*
* linux/arch/arm/mach-omap1/board-nokia770.c
*
* Modified from board-generic.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/clkdev.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/platform_device.h>
#include <linux/input.h>
#include <linux/omapfb.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/platform_data/keypad-omap.h>
#include <linux/platform_data/lcd-mipid.h>
#include <linux/platform_data/gpio-omap.h>
#include <linux/platform_data/i2c-cbus-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/mux.h>
#include <mach/hardware.h>
#include <mach/usb.h>
#include "common.h"
#include "clock.h"
#include "mmc.h"
#define ADS7846_PENDOWN_GPIO 15
static const unsigned int nokia770_keymap[] = {
KEY(1, 0, GROUP_0 | KEY_UP),
KEY(2, 0, GROUP_1 | KEY_F5),
KEY(0, 1, GROUP_0 | KEY_LEFT),
KEY(1, 1, GROUP_0 | KEY_ENTER),
KEY(2, 1, GROUP_0 | KEY_RIGHT),
KEY(0, 2, GROUP_1 | KEY_ESC),
KEY(1, 2, GROUP_0 | KEY_DOWN),
KEY(2, 2, GROUP_1 | KEY_F4),
KEY(0, 3, GROUP_2 | KEY_F7),
KEY(1, 3, GROUP_2 | KEY_F8),
KEY(2, 3, GROUP_2 | KEY_F6),
};
static struct resource nokia770_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static const struct matrix_keymap_data nokia770_keymap_data = {
.keymap = nokia770_keymap,
.keymap_size = ARRAY_SIZE(nokia770_keymap),
};
static struct omap_kp_platform_data nokia770_kp_data = {
.rows = 8,
.cols = 8,
.keymap_data = &nokia770_keymap_data,
.delay = 4,
};
static struct platform_device nokia770_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &nokia770_kp_data,
},
.num_resources = ARRAY_SIZE(nokia770_kp_resources),
.resource = nokia770_kp_resources,
};
static struct platform_device *nokia770_devices[] __initdata = {
&nokia770_kp_device,
};
static void mipid_shutdown(struct mipid_platform_data *pdata)
{
if (pdata->nreset_gpio != -1) {
printk(KERN_INFO "shutdown LCD\n");
gpio_set_value(pdata->nreset_gpio, 0);
msleep(120);
}
}
static struct mipid_platform_data nokia770_mipid_platform_data = {
.shutdown = mipid_shutdown,
};
static struct omap_lcd_config nokia770_lcd_config __initdata = {
.ctrl_name = "hwa742",
};
static void __init mipid_dev_init(void)
{
nokia770_mipid_platform_data.nreset_gpio = 13;
nokia770_mipid_platform_data.data_lines = 16;
omapfb_set_lcd_config(&nokia770_lcd_config);
}
static struct ads7846_platform_data nokia770_ads7846_platform_data __initdata = {
.x_max = 0x0fff,
.y_max = 0x0fff,
.x_plate_ohms = 180,
.pressure_max = 255,
.debounce_max = 10,
.debounce_tol = 3,
.debounce_rep = 1,
.gpio_pendown = ADS7846_PENDOWN_GPIO,
};
static struct spi_board_info nokia770_spi_board_info[] __initdata = {
[0] = {
.modalias = "lcd_mipid",
.bus_num = 2,
.chip_select = 3,
.max_speed_hz = 12000000,
.platform_data = &nokia770_mipid_platform_data,
},
[1] = {
.modalias = "ads7846",
.bus_num = 2,
.chip_select = 0,
.max_speed_hz = 2500000,
.platform_data = &nokia770_ads7846_platform_data,
},
};
static void __init hwa742_dev_init(void)
{
clk_add_alias("hwa_sys_ck", NULL, "bclk", NULL);
}
/* assume no Mini-AB port */
static struct omap_usb_config nokia770_usb_config __initdata = {
.otg = 1,
.register_host = 1,
.register_dev = 1,
.hmc_mode = 16,
.pins[0] = 6,
.extcon = "tahvo-usb",
};
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
#define NOKIA770_GPIO_MMC_POWER 41
#define NOKIA770_GPIO_MMC_SWITCH 23
static int nokia770_mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
gpio_set_value(NOKIA770_GPIO_MMC_POWER, power_on);
return 0;
}
static int nokia770_mmc_get_cover_state(struct device *dev, int slot)
{
return gpio_get_value(NOKIA770_GPIO_MMC_SWITCH);
}
static struct omap_mmc_platform_data nokia770_mmc2_data = {
.nr_slots = 1,
.max_freq = 12000000,
.slots[0] = {
.set_power = nokia770_mmc_set_power,
.get_cover_state = nokia770_mmc_get_cover_state,
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *nokia770_mmc_data[OMAP16XX_NR_MMC];
static void __init nokia770_mmc_init(void)
{
int ret;
ret = gpio_request(NOKIA770_GPIO_MMC_POWER, "MMC power");
if (ret < 0)
return;
gpio_direction_output(NOKIA770_GPIO_MMC_POWER, 0);
ret = gpio_request(NOKIA770_GPIO_MMC_SWITCH, "MMC cover");
if (ret < 0) {
gpio_free(NOKIA770_GPIO_MMC_POWER);
return;
}
gpio_direction_input(NOKIA770_GPIO_MMC_SWITCH);
/* Only the second MMC controller is used */
nokia770_mmc_data[1] = &nokia770_mmc2_data;
omap1_init_mmc(nokia770_mmc_data, OMAP16XX_NR_MMC);
}
#else
static inline void nokia770_mmc_init(void)
{
}
#endif
#if defined(CONFIG_I2C_CBUS_GPIO) || defined(CONFIG_I2C_CBUS_GPIO_MODULE)
static struct i2c_cbus_platform_data nokia770_cbus_data = {
.clk_gpio = OMAP_MPUIO(9),
.dat_gpio = OMAP_MPUIO(10),
.sel_gpio = OMAP_MPUIO(11),
};
static struct platform_device nokia770_cbus_device = {
.name = "i2c-cbus-gpio",
.id = 2,
.dev = {
.platform_data = &nokia770_cbus_data,
},
};
static struct i2c_board_info nokia770_i2c_board_info_2[] __initdata = {
{
I2C_BOARD_INFO("retu-mfd", 0x01),
},
{
I2C_BOARD_INFO("tahvo-mfd", 0x02),
},
};
static void __init nokia770_cbus_init(void)
{
const int retu_irq_gpio = 62;
const int tahvo_irq_gpio = 40;
if (gpio_request_one(retu_irq_gpio, GPIOF_IN, "Retu IRQ"))
return;
if (gpio_request_one(tahvo_irq_gpio, GPIOF_IN, "Tahvo IRQ")) {
gpio_free(retu_irq_gpio);
return;
}
irq_set_irq_type(gpio_to_irq(retu_irq_gpio), IRQ_TYPE_EDGE_RISING);
irq_set_irq_type(gpio_to_irq(tahvo_irq_gpio), IRQ_TYPE_EDGE_RISING);
nokia770_i2c_board_info_2[0].irq = gpio_to_irq(retu_irq_gpio);
nokia770_i2c_board_info_2[1].irq = gpio_to_irq(tahvo_irq_gpio);
i2c_register_board_info(2, nokia770_i2c_board_info_2,
ARRAY_SIZE(nokia770_i2c_board_info_2));
platform_device_register(&nokia770_cbus_device);
}
#else /* CONFIG_I2C_CBUS_GPIO */
static void __init nokia770_cbus_init(void)
{
}
#endif /* CONFIG_I2C_CBUS_GPIO */
static void __init omap_nokia770_init(void)
{
/* On Nokia 770, the SleepX signal is masked with an
* MPUIO line by default. It has to be unmasked for it
* to become functional */
/* SleepX mask direction */
omap_writew((omap_readw(0xfffb5008) & ~2), 0xfffb5008);
/* Unmask SleepX signal */
omap_writew((omap_readw(0xfffb5004) & ~2), 0xfffb5004);
platform_add_devices(nokia770_devices, ARRAY_SIZE(nokia770_devices));
nokia770_spi_board_info[1].irq = gpio_to_irq(15);
spi_register_board_info(nokia770_spi_board_info,
ARRAY_SIZE(nokia770_spi_board_info));
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
hwa742_dev_init();
mipid_dev_init();
omap1_usb_init(&nokia770_usb_config);
nokia770_mmc_init();
nokia770_cbus_init();
}
MACHINE_START(NOKIA770, "Nokia 770")
.atag_offset = 0x100,
.map_io = omap16xx_map_io,
.init_early = omap1_init_early,
.init_irq = omap1_init_irq,
.handle_irq = omap1_handle_irq,
.init_machine = omap_nokia770_init,
.init_late = omap1_init_late,
.init_time = omap1_timer_init,
.restart = omap1_restart,
MACHINE_END
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