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/*
* Hardware definitions for Palm Tungsten | T5
*
* Author : Marek Vasut < marek . vasut @ gmail . com >
*
* Based on work of :
* Ales Snuparek < snuparek @ atlas . cz >
* Justin Kendrick < twilightsentry @ gmail . com >
* RichardT5 < richard_t5 @ users . sourceforge . net >
*
* 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_batt.h>
# include <linux/power_supply.h>
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# include <linux/usb/gpio_vbus.h>
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# include <asm/mach-types.h>
# include <asm/mach/arch.h>
# include <asm/mach/map.h>
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# include <mach/pxa27x.h>
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# include <mach/audio.h>
# include <mach/palmt5.h>
# include <mach/mmc.h>
# include <mach/pxafb.h>
# include <mach/irda.h>
# include <mach/pxa27x_keypad.h>
# include <mach/udc.h>
# include <mach/palmasoc.h>
# include "generic.h"
# include "devices.h"
/******************************************************************************
* Pin configuration
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static unsigned long palmt5_pin_config [ ] __initdata = {
/* MMC */
GPIO32_MMC_CLK ,
GPIO92_MMC_DAT_0 ,
GPIO109_MMC_DAT_1 ,
GPIO110_MMC_DAT_2 ,
GPIO111_MMC_DAT_3 ,
GPIO112_MMC_CMD ,
GPIO14_GPIO , /* SD detect */
GPIO114_GPIO , /* SD power */
GPIO115_GPIO , /* SD r/o switch */
/* AC97 */
GPIO28_AC97_BITCLK ,
GPIO29_AC97_SDATA_IN_0 ,
GPIO30_AC97_SDATA_OUT ,
GPIO31_AC97_SYNC ,
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GPIO89_AC97_SYSCLK ,
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GPIO95_AC97_nRESET ,
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/* IrDA */
GPIO40_GPIO , /* ir disable */
GPIO46_FICP_RXD ,
GPIO47_FICP_TXD ,
/* USB */
GPIO15_GPIO , /* usb detect */
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GPIO93_GPIO , /* usb power */
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/* MATRIX KEYPAD */
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH ,
GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH ,
GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH ,
GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH ,
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GPIO103_KP_MKOUT_0 ,
GPIO104_KP_MKOUT_1 ,
GPIO105_KP_MKOUT_2 ,
/* LCD */
GPIO58_LCD_LDD_0 ,
GPIO59_LCD_LDD_1 ,
GPIO60_LCD_LDD_2 ,
GPIO61_LCD_LDD_3 ,
GPIO62_LCD_LDD_4 ,
GPIO63_LCD_LDD_5 ,
GPIO64_LCD_LDD_6 ,
GPIO65_LCD_LDD_7 ,
GPIO66_LCD_LDD_8 ,
GPIO67_LCD_LDD_9 ,
GPIO68_LCD_LDD_10 ,
GPIO69_LCD_LDD_11 ,
GPIO70_LCD_LDD_12 ,
GPIO71_LCD_LDD_13 ,
GPIO72_LCD_LDD_14 ,
GPIO73_LCD_LDD_15 ,
GPIO74_LCD_FCLK ,
GPIO75_LCD_LCLK ,
GPIO76_LCD_PCLK ,
GPIO77_LCD_BIAS ,
/* PWM */
GPIO16_PWM0_OUT ,
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/* FFUART */
GPIO34_FFUART_RXD ,
GPIO39_FFUART_TXD ,
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/* MISC */
GPIO10_GPIO , /* hotsync button */
GPIO90_GPIO , /* power detect */
GPIO107_GPIO , /* earphone detect */
} ;
/******************************************************************************
* SD / MMC card controller
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct pxamci_platform_data palmt5_mci_platform_data = {
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. ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34 ,
. gpio_card_detect = GPIO_NR_PALMT5_SD_DETECT_N ,
. gpio_card_ro = GPIO_NR_PALMT5_SD_READONLY ,
. gpio_power = GPIO_NR_PALMT5_SD_POWER ,
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. detect_delay = 20 ,
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} ;
/******************************************************************************
* GPIO keyboard
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static unsigned int palmt5_matrix_keys [ ] = {
KEY ( 0 , 0 , KEY_POWER ) ,
KEY ( 0 , 1 , KEY_F1 ) ,
KEY ( 0 , 2 , KEY_ENTER ) ,
KEY ( 1 , 0 , KEY_F2 ) ,
KEY ( 1 , 1 , KEY_F3 ) ,
KEY ( 1 , 2 , KEY_F4 ) ,
KEY ( 2 , 0 , KEY_UP ) ,
KEY ( 2 , 2 , KEY_DOWN ) ,
KEY ( 3 , 0 , KEY_RIGHT ) ,
KEY ( 3 , 2 , KEY_LEFT ) ,
} ;
static struct pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
. matrix_key_rows = 4 ,
. matrix_key_cols = 3 ,
. matrix_key_map = palmt5_matrix_keys ,
. matrix_key_map_size = ARRAY_SIZE ( palmt5_matrix_keys ) ,
. debounce_interval = 30 ,
} ;
/******************************************************************************
* GPIO keys
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct gpio_keys_button palmt5_pxa_buttons [ ] = {
{ KEY_F8 , GPIO_NR_PALMT5_HOTSYNC_BUTTON_N , 1 , " HotSync Button " } ,
} ;
static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
. buttons = palmt5_pxa_buttons ,
. nbuttons = ARRAY_SIZE ( palmt5_pxa_buttons ) ,
} ;
static struct platform_device palmt5_pxa_keys = {
. name = " gpio-keys " ,
. id = - 1 ,
. dev = {
. platform_data = & palmt5_pxa_keys_data ,
} ,
} ;
/******************************************************************************
* Backlight
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static int palmt5_backlight_init ( struct device * dev )
{
int ret ;
ret = gpio_request ( GPIO_NR_PALMT5_BL_POWER , " BL POWER " ) ;
if ( ret )
goto err ;
ret = gpio_direction_output ( GPIO_NR_PALMT5_BL_POWER , 0 ) ;
if ( ret )
goto err2 ;
ret = gpio_request ( GPIO_NR_PALMT5_LCD_POWER , " LCD POWER " ) ;
if ( ret )
goto err2 ;
ret = gpio_direction_output ( GPIO_NR_PALMT5_LCD_POWER , 0 ) ;
if ( ret )
goto err3 ;
return 0 ;
err3 :
gpio_free ( GPIO_NR_PALMT5_LCD_POWER ) ;
err2 :
gpio_free ( GPIO_NR_PALMT5_BL_POWER ) ;
err :
return ret ;
}
static int palmt5_backlight_notify ( int brightness )
{
gpio_set_value ( GPIO_NR_PALMT5_BL_POWER , brightness ) ;
gpio_set_value ( GPIO_NR_PALMT5_LCD_POWER , brightness ) ;
return brightness ;
}
static void palmt5_backlight_exit ( struct device * dev )
{
gpio_free ( GPIO_NR_PALMT5_BL_POWER ) ;
gpio_free ( GPIO_NR_PALMT5_LCD_POWER ) ;
}
static struct platform_pwm_backlight_data palmt5_backlight_data = {
. pwm_id = 0 ,
. max_brightness = PALMT5_MAX_INTENSITY ,
. dft_brightness = PALMT5_MAX_INTENSITY ,
. pwm_period_ns = PALMT5_PERIOD_NS ,
. init = palmt5_backlight_init ,
. notify = palmt5_backlight_notify ,
. exit = palmt5_backlight_exit ,
} ;
static struct platform_device palmt5_backlight = {
. name = " pwm-backlight " ,
. dev = {
. parent = & pxa27x_device_pwm0 . dev ,
. platform_data = & palmt5_backlight_data ,
} ,
} ;
/******************************************************************************
* IrDA
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct pxaficp_platform_data palmt5_ficp_platform_data = {
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. gpio_pwdown = GPIO_NR_PALMT5_IR_DISABLE ,
. transceiver_cap = IR_SIRMODE | IR_OFF ,
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} ;
/******************************************************************************
* UDC
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static struct gpio_vbus_mach_info palmt5_udc_info = {
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. gpio_vbus = GPIO_NR_PALMT5_USB_DETECT_N ,
. gpio_vbus_inverted = 1 ,
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. gpio_pullup = GPIO_NR_PALMT5_USB_PULLUP ,
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} ;
static struct platform_device palmt5_gpio_vbus = {
. name = " gpio-vbus " ,
. id = - 1 ,
. dev = {
. platform_data = & palmt5_udc_info ,
} ,
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} ;
/******************************************************************************
* Power supply
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static int power_supply_init ( struct device * dev )
{
int ret ;
ret = gpio_request ( GPIO_NR_PALMT5_POWER_DETECT , " CABLE_STATE_AC " ) ;
if ( ret )
goto err1 ;
ret = gpio_direction_input ( GPIO_NR_PALMT5_POWER_DETECT ) ;
if ( ret )
goto err2 ;
return 0 ;
err2 :
gpio_free ( GPIO_NR_PALMT5_POWER_DETECT ) ;
err1 :
return ret ;
}
static int palmt5_is_ac_online ( void )
{
return gpio_get_value ( GPIO_NR_PALMT5_POWER_DETECT ) ;
}
static void power_supply_exit ( struct device * dev )
{
gpio_free ( GPIO_NR_PALMT5_POWER_DETECT ) ;
}
static char * palmt5_supplicants [ ] = {
" main-battery " ,
} ;
static struct pda_power_pdata power_supply_info = {
. init = power_supply_init ,
. is_ac_online = palmt5_is_ac_online ,
. exit = power_supply_exit ,
. supplied_to = palmt5_supplicants ,
. num_supplicants = ARRAY_SIZE ( palmt5_supplicants ) ,
} ;
static struct platform_device power_supply = {
. name = " pda-power " ,
. id = - 1 ,
. dev = {
. platform_data = & power_supply_info ,
} ,
} ;
/******************************************************************************
* WM97xx battery
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct wm97xx_batt_info wm97xx_batt_pdata = {
. batt_aux = WM97XX_AUX_ID3 ,
. temp_aux = WM97XX_AUX_ID2 ,
. charge_gpio = - 1 ,
. max_voltage = PALMT5_BAT_MAX_VOLTAGE ,
. min_voltage = PALMT5_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 " ,
} ;
/******************************************************************************
* aSoC audio
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static struct palm27x_asoc_info palmt5_asoc_pdata = {
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. jack_gpio = GPIO_NR_PALMT5_EARPHONE_DETECT ,
} ;
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static pxa2xx_audio_ops_t palmt5_ac97_pdata = {
. reset_gpio = 95 ,
} ;
static struct platform_device palmt5_asoc = {
. name = " palm27x-asoc " ,
. id = - 1 ,
. dev = {
. platform_data = & palmt5_asoc_pdata ,
} ,
} ;
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/******************************************************************************
* Framebuffer
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct pxafb_mode_info palmt5_lcd_modes [ ] = {
{
. pixclock = 57692 ,
. xres = 320 ,
. yres = 480 ,
. bpp = 16 ,
. left_margin = 32 ,
. right_margin = 1 ,
. upper_margin = 7 ,
. lower_margin = 1 ,
. hsync_len = 4 ,
. vsync_len = 1 ,
} ,
} ;
static struct pxafb_mach_info palmt5_lcd_screen = {
. modes = palmt5_lcd_modes ,
. num_modes = ARRAY_SIZE ( palmt5_lcd_modes ) ,
. lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL ,
} ;
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/******************************************************************************
* Power management - standby
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static void __init palmt5_pm_init ( void )
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{
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static u32 resume [ ] = {
0xe3a00101 , /* mov r0, #0x40000000 */
0xe380060f , /* orr r0, r0, #0x00f00000 */
0xe590f008 , /* ldr pc, [r0, #0x08] */
} ;
/* copy the bootloader */
memcpy ( phys_to_virt ( PALMT5_STR_BASE ) , resume , sizeof ( resume ) ) ;
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}
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/******************************************************************************
* Machine init
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct platform_device * devices [ ] __initdata = {
# if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
& palmt5_pxa_keys ,
# endif
& palmt5_backlight ,
& power_supply ,
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& palmt5_asoc ,
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& palmt5_gpio_vbus ,
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} ;
/* setup udc GPIOs initial state */
static void __init palmt5_udc_init ( void )
{
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if ( ! gpio_request ( GPIO_NR_PALMT5_USB_PULLUP , " UDC Vbus " ) ) {
gpio_direction_output ( GPIO_NR_PALMT5_USB_PULLUP , 1 ) ;
gpio_free ( GPIO_NR_PALMT5_USB_PULLUP ) ;
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}
}
static void __init palmt5_init ( void )
{
pxa2xx_mfp_config ( ARRAY_AND_SIZE ( palmt5_pin_config ) ) ;
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palmt5_pm_init ( ) ;
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set_pxa_fb_info ( & palmt5_lcd_screen ) ;
pxa_set_mci_info ( & palmt5_mci_platform_data ) ;
palmt5_udc_init ( ) ;
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pxa_set_ac97_info ( & palmt5_ac97_pdata ) ;
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pxa_set_ficp_info ( & palmt5_ficp_platform_data ) ;
pxa_set_keypad_info ( & palmt5_keypad_platform_data ) ;
wm97xx_bat_set_pdata ( & wm97xx_batt_pdata ) ;
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platform_add_devices ( devices , ARRAY_SIZE ( devices ) ) ;
}
MACHINE_START ( PALMT5 , " Palm Tungsten|T5 " )
. phys_io = PALMT5_PHYS_IO_START ,
. io_pg_offst = ( io_p2v ( 0x40000000 ) > > 18 ) & 0xfffc ,
. boot_params = 0xa0000100 ,
. map_io = pxa_map_io ,
. init_irq = pxa27x_init_irq ,
. timer = & pxa_timer ,
. init_machine = palmt5_init
MACHINE_END
