370 lines
9.8 KiB
C
370 lines
9.8 KiB
C
/*
|
|
* Hardware definitions for Palm Tungsten|E2
|
|
*
|
|
* Author:
|
|
* Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com>
|
|
*
|
|
* Rewrite for mainline:
|
|
* Marek Vasut <marek.vasut@gmail.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.
|
|
*
|
|
* (find more info at www.hackndev.com)
|
|
*
|
|
*/
|
|
|
|
#include <linux/platform_device.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/gpio_keys.h>
|
|
#include <linux/input.h>
|
|
#include <linux/pda_power.h>
|
|
#include <linux/pwm_backlight.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/wm97xx.h>
|
|
#include <linux/power_supply.h>
|
|
#include <linux/usb/gpio_vbus.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/pxa25x.h>
|
|
#include <mach/audio.h>
|
|
#include <mach/palmte2.h>
|
|
#include <linux/platform_data/mmc-pxamci.h>
|
|
#include <linux/platform_data/video-pxafb.h>
|
|
#include <linux/platform_data/irda-pxaficp.h>
|
|
#include <mach/udc.h>
|
|
#include <linux/platform_data/asoc-palm27x.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
/******************************************************************************
|
|
* Pin configuration
|
|
******************************************************************************/
|
|
static unsigned long palmte2_pin_config[] __initdata = {
|
|
/* MMC */
|
|
GPIO6_MMC_CLK,
|
|
GPIO8_MMC_CS0,
|
|
GPIO10_GPIO, /* SD detect */
|
|
GPIO55_GPIO, /* SD power */
|
|
GPIO51_GPIO, /* SD r/o switch */
|
|
|
|
/* AC97 */
|
|
GPIO28_AC97_BITCLK,
|
|
GPIO29_AC97_SDATA_IN_0,
|
|
GPIO30_AC97_SDATA_OUT,
|
|
GPIO31_AC97_SYNC,
|
|
|
|
/* PWM */
|
|
GPIO16_PWM0_OUT,
|
|
|
|
/* USB */
|
|
GPIO15_GPIO, /* usb detect */
|
|
GPIO53_GPIO, /* usb power */
|
|
|
|
/* IrDA */
|
|
GPIO48_GPIO, /* ir disable */
|
|
GPIO46_FICP_RXD,
|
|
GPIO47_FICP_TXD,
|
|
|
|
/* LCD */
|
|
GPIOxx_LCD_TFT_16BPP,
|
|
|
|
/* GPIO KEYS */
|
|
GPIO5_GPIO, /* notes */
|
|
GPIO7_GPIO, /* tasks */
|
|
GPIO11_GPIO, /* calendar */
|
|
GPIO13_GPIO, /* contacts */
|
|
GPIO14_GPIO, /* center */
|
|
GPIO19_GPIO, /* left */
|
|
GPIO20_GPIO, /* right */
|
|
GPIO21_GPIO, /* down */
|
|
GPIO22_GPIO, /* up */
|
|
|
|
/* MISC */
|
|
GPIO1_RST, /* reset */
|
|
GPIO4_GPIO, /* Hotsync button */
|
|
GPIO9_GPIO, /* power detect */
|
|
GPIO15_GPIO, /* earphone detect */
|
|
GPIO37_GPIO, /* LCD power */
|
|
GPIO56_GPIO, /* Backlight power */
|
|
};
|
|
|
|
/******************************************************************************
|
|
* SD/MMC card controller
|
|
******************************************************************************/
|
|
static struct pxamci_platform_data palmte2_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
.gpio_card_detect = GPIO_NR_PALMTE2_SD_DETECT_N,
|
|
.gpio_card_ro = GPIO_NR_PALMTE2_SD_READONLY,
|
|
.gpio_power = GPIO_NR_PALMTE2_SD_POWER,
|
|
};
|
|
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
/******************************************************************************
|
|
* GPIO keys
|
|
******************************************************************************/
|
|
static struct gpio_keys_button palmte2_pxa_buttons[] = {
|
|
{KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" },
|
|
{KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" },
|
|
{KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" },
|
|
{KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" },
|
|
{KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" },
|
|
{KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" },
|
|
{KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" },
|
|
{KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" },
|
|
{KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" },
|
|
};
|
|
|
|
static struct gpio_keys_platform_data palmte2_pxa_keys_data = {
|
|
.buttons = palmte2_pxa_buttons,
|
|
.nbuttons = ARRAY_SIZE(palmte2_pxa_buttons),
|
|
};
|
|
|
|
static struct platform_device palmte2_pxa_keys = {
|
|
.name = "gpio-keys",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmte2_pxa_keys_data,
|
|
},
|
|
};
|
|
#endif
|
|
|
|
/******************************************************************************
|
|
* Backlight
|
|
******************************************************************************/
|
|
static struct gpio palmte_bl_gpios[] = {
|
|
{ GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" },
|
|
{ GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" },
|
|
};
|
|
|
|
static int palmte2_backlight_init(struct device *dev)
|
|
{
|
|
return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios));
|
|
}
|
|
|
|
static int palmte2_backlight_notify(struct device *dev, int brightness)
|
|
{
|
|
gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness);
|
|
gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness);
|
|
return brightness;
|
|
}
|
|
|
|
static void palmte2_backlight_exit(struct device *dev)
|
|
{
|
|
gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios));
|
|
}
|
|
|
|
static struct platform_pwm_backlight_data palmte2_backlight_data = {
|
|
.pwm_id = 0,
|
|
.max_brightness = PALMTE2_MAX_INTENSITY,
|
|
.dft_brightness = PALMTE2_MAX_INTENSITY,
|
|
.pwm_period_ns = PALMTE2_PERIOD_NS,
|
|
.enable_gpio = -1,
|
|
.init = palmte2_backlight_init,
|
|
.notify = palmte2_backlight_notify,
|
|
.exit = palmte2_backlight_exit,
|
|
};
|
|
|
|
static struct platform_device palmte2_backlight = {
|
|
.name = "pwm-backlight",
|
|
.dev = {
|
|
.parent = &pxa25x_device_pwm0.dev,
|
|
.platform_data = &palmte2_backlight_data,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* IrDA
|
|
******************************************************************************/
|
|
static struct pxaficp_platform_data palmte2_ficp_platform_data = {
|
|
.gpio_pwdown = GPIO_NR_PALMTE2_IR_DISABLE,
|
|
.transceiver_cap = IR_SIRMODE | IR_OFF,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* UDC
|
|
******************************************************************************/
|
|
static struct gpio_vbus_mach_info palmte2_udc_info = {
|
|
.gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N,
|
|
.gpio_vbus_inverted = 1,
|
|
.gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP,
|
|
};
|
|
|
|
static struct platform_device palmte2_gpio_vbus = {
|
|
.name = "gpio-vbus",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmte2_udc_info,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Power supply
|
|
******************************************************************************/
|
|
static int power_supply_init(struct device *dev)
|
|
{
|
|
int ret;
|
|
|
|
ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC");
|
|
if (ret)
|
|
goto err1;
|
|
ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT);
|
|
if (ret)
|
|
goto err2;
|
|
|
|
return 0;
|
|
|
|
err2:
|
|
gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
|
|
err1:
|
|
return ret;
|
|
}
|
|
|
|
static int palmte2_is_ac_online(void)
|
|
{
|
|
return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT);
|
|
}
|
|
|
|
static void power_supply_exit(struct device *dev)
|
|
{
|
|
gpio_free(GPIO_NR_PALMTE2_POWER_DETECT);
|
|
}
|
|
|
|
static char *palmte2_supplicants[] = {
|
|
"main-battery",
|
|
};
|
|
|
|
static struct pda_power_pdata power_supply_info = {
|
|
.init = power_supply_init,
|
|
.is_ac_online = palmte2_is_ac_online,
|
|
.exit = power_supply_exit,
|
|
.supplied_to = palmte2_supplicants,
|
|
.num_supplicants = ARRAY_SIZE(palmte2_supplicants),
|
|
};
|
|
|
|
static struct platform_device power_supply = {
|
|
.name = "pda-power",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &power_supply_info,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* WM97xx audio, battery
|
|
******************************************************************************/
|
|
static struct wm97xx_batt_pdata palmte2_batt_pdata = {
|
|
.batt_aux = WM97XX_AUX_ID3,
|
|
.temp_aux = WM97XX_AUX_ID2,
|
|
.charge_gpio = -1,
|
|
.max_voltage = PALMTE2_BAT_MAX_VOLTAGE,
|
|
.min_voltage = PALMTE2_BAT_MIN_VOLTAGE,
|
|
.batt_mult = 1000,
|
|
.batt_div = 414,
|
|
.temp_mult = 1,
|
|
.temp_div = 1,
|
|
.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
|
|
.batt_name = "main-batt",
|
|
};
|
|
|
|
static struct wm97xx_pdata palmte2_wm97xx_pdata = {
|
|
.batt_pdata = &palmte2_batt_pdata,
|
|
};
|
|
|
|
static pxa2xx_audio_ops_t palmte2_ac97_pdata = {
|
|
.codec_pdata = { &palmte2_wm97xx_pdata, },
|
|
};
|
|
|
|
static struct palm27x_asoc_info palmte2_asoc_pdata = {
|
|
.jack_gpio = GPIO_NR_PALMTE2_EARPHONE_DETECT,
|
|
};
|
|
|
|
static struct platform_device palmte2_asoc = {
|
|
.name = "palm27x-asoc",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmte2_asoc_pdata,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Framebuffer
|
|
******************************************************************************/
|
|
static struct pxafb_mode_info palmte2_lcd_modes[] = {
|
|
{
|
|
.pixclock = 77757,
|
|
.xres = 320,
|
|
.yres = 320,
|
|
.bpp = 16,
|
|
|
|
.left_margin = 28,
|
|
.right_margin = 7,
|
|
.upper_margin = 7,
|
|
.lower_margin = 5,
|
|
|
|
.hsync_len = 4,
|
|
.vsync_len = 1,
|
|
},
|
|
};
|
|
|
|
static struct pxafb_mach_info palmte2_lcd_screen = {
|
|
.modes = palmte2_lcd_modes,
|
|
.num_modes = ARRAY_SIZE(palmte2_lcd_modes),
|
|
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Machine init
|
|
******************************************************************************/
|
|
static struct platform_device *devices[] __initdata = {
|
|
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
|
|
&palmte2_pxa_keys,
|
|
#endif
|
|
&palmte2_backlight,
|
|
&power_supply,
|
|
&palmte2_asoc,
|
|
&palmte2_gpio_vbus,
|
|
};
|
|
|
|
/* setup udc GPIOs initial state */
|
|
static void __init palmte2_udc_init(void)
|
|
{
|
|
if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) {
|
|
gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1);
|
|
gpio_free(GPIO_NR_PALMTE2_USB_PULLUP);
|
|
}
|
|
}
|
|
|
|
static void __init palmte2_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config));
|
|
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
|
|
pxa_set_fb_info(NULL, &palmte2_lcd_screen);
|
|
pxa_set_mci_info(&palmte2_mci_platform_data);
|
|
palmte2_udc_init();
|
|
pxa_set_ac97_info(&palmte2_ac97_pdata);
|
|
pxa_set_ficp_info(&palmte2_ficp_platform_data);
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
}
|
|
|
|
MACHINE_START(PALMTE2, "Palm Tungsten|E2")
|
|
.atag_offset = 0x100,
|
|
.map_io = pxa25x_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa25x_init_irq,
|
|
.handle_irq = pxa25x_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.init_machine = palmte2_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|