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/*
* Hardware definitions for Palm LifeDrive
*
* Author : Marek Vasut < marek . vasut @ gmail . com >
*
* Based on work of :
* Alex Osborne < ato @ meshy . org >
*
* 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>
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# include <linux/wm97xx.h>
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# include <linux/power_supply.h>
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# include <linux/sysdev.h>
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# include <linux/mtd/mtd.h>
# include <linux/mtd/partitions.h>
# include <linux/mtd/physmap.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/palmld.h>
# include <mach/mmc.h>
# include <mach/pxafb.h>
# include <mach/irda.h>
# include <mach/pxa27x_keypad.h>
# include <mach/palmasoc.h>
# include "generic.h"
# include "devices.h"
/******************************************************************************
* Pin configuration
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static unsigned long palmld_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 */
GPIO116_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 ,
GPIO95_AC97_nRESET ,
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/* IrDA */
GPIO108_GPIO , /* ir disable */
GPIO46_FICP_RXD ,
GPIO47_FICP_TXD ,
/* 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 */
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GPIOxx_LCD_TFT_16BPP ,
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/* PWM */
GPIO16_PWM0_OUT ,
/* GPIO KEYS */
GPIO10_GPIO , /* hotsync button */
GPIO12_GPIO , /* power switch */
GPIO15_GPIO , /* lock switch */
/* LEDs */
GPIO52_GPIO , /* green led */
GPIO94_GPIO , /* orange led */
/* PCMCIA */
GPIO48_nPOE ,
GPIO49_nPWE ,
GPIO50_nPIOR ,
GPIO51_nPIOW ,
GPIO85_nPCE_1 ,
GPIO54_nPCE_2 ,
GPIO79_PSKTSEL ,
GPIO55_nPREG ,
GPIO56_nPWAIT ,
GPIO57_nIOIS16 ,
GPIO36_GPIO , /* wifi power */
GPIO38_GPIO , /* wifi ready */
GPIO81_GPIO , /* wifi reset */
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/* FFUART */
GPIO34_FFUART_RXD ,
GPIO39_FFUART_TXD ,
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/* HDD */
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GPIO98_GPIO , /* HDD reset */
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GPIO115_GPIO , /* HDD power */
/* MISC */
GPIO13_GPIO , /* earphone detect */
} ;
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/******************************************************************************
* NOR Flash
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct mtd_partition palmld_partitions [ ] = {
{
. name = " Flash " ,
. offset = 0x00000000 ,
. size = MTDPART_SIZ_FULL ,
. mask_flags = 0
}
} ;
static struct physmap_flash_data palmld_flash_data [ ] = {
{
. width = 2 , /* bankwidth in bytes */
. parts = palmld_partitions ,
. nr_parts = ARRAY_SIZE ( palmld_partitions )
}
} ;
static struct resource palmld_flash_resource = {
. start = PXA_CS0_PHYS ,
. end = PXA_CS0_PHYS + SZ_4M - 1 ,
. flags = IORESOURCE_MEM ,
} ;
static struct platform_device palmld_flash = {
. name = " physmap-flash " ,
. id = 0 ,
. resource = & palmld_flash_resource ,
. num_resources = 1 ,
. dev = {
. platform_data = palmld_flash_data ,
} ,
} ;
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/******************************************************************************
* SD / MMC card controller
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct pxamci_platform_data palmld_mci_platform_data = {
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. ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34 ,
. gpio_card_detect = GPIO_NR_PALMLD_SD_DETECT_N ,
. gpio_card_ro = GPIO_NR_PALMLD_SD_READONLY ,
. gpio_power = GPIO_NR_PALMLD_SD_POWER ,
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. detect_delay_ms = 200 ,
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} ;
/******************************************************************************
* GPIO keyboard
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static unsigned int palmld_matrix_keys [ ] = {
KEY ( 0 , 1 , KEY_F2 ) ,
KEY ( 0 , 2 , KEY_UP ) ,
KEY ( 1 , 0 , KEY_F3 ) ,
KEY ( 1 , 1 , KEY_F4 ) ,
KEY ( 1 , 2 , KEY_RIGHT ) ,
KEY ( 2 , 0 , KEY_F1 ) ,
KEY ( 2 , 1 , KEY_F5 ) ,
KEY ( 2 , 2 , KEY_DOWN ) ,
KEY ( 3 , 0 , KEY_F6 ) ,
KEY ( 3 , 1 , KEY_ENTER ) ,
KEY ( 3 , 2 , KEY_LEFT ) ,
} ;
static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
. matrix_key_rows = 4 ,
. matrix_key_cols = 3 ,
. matrix_key_map = palmld_matrix_keys ,
. matrix_key_map_size = ARRAY_SIZE ( palmld_matrix_keys ) ,
. debounce_interval = 30 ,
} ;
/******************************************************************************
* GPIO keys
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct gpio_keys_button palmld_pxa_buttons [ ] = {
{ KEY_F8 , GPIO_NR_PALMLD_HOTSYNC_BUTTON_N , 1 , " HotSync Button " } ,
{ KEY_F9 , GPIO_NR_PALMLD_LOCK_SWITCH , 0 , " Lock Switch " } ,
{ KEY_POWER , GPIO_NR_PALMLD_POWER_SWITCH , 0 , " Power Switch " } ,
} ;
static struct gpio_keys_platform_data palmld_pxa_keys_data = {
. buttons = palmld_pxa_buttons ,
. nbuttons = ARRAY_SIZE ( palmld_pxa_buttons ) ,
} ;
static struct platform_device palmld_pxa_keys = {
. name = " gpio-keys " ,
. id = - 1 ,
. dev = {
. platform_data = & palmld_pxa_keys_data ,
} ,
} ;
/******************************************************************************
* Backlight
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static int palmld_backlight_init ( struct device * dev )
{
int ret ;
ret = gpio_request ( GPIO_NR_PALMLD_BL_POWER , " BL POWER " ) ;
if ( ret )
goto err ;
ret = gpio_direction_output ( GPIO_NR_PALMLD_BL_POWER , 0 ) ;
if ( ret )
goto err2 ;
ret = gpio_request ( GPIO_NR_PALMLD_LCD_POWER , " LCD POWER " ) ;
if ( ret )
goto err2 ;
ret = gpio_direction_output ( GPIO_NR_PALMLD_LCD_POWER , 0 ) ;
if ( ret )
goto err3 ;
return 0 ;
err3 :
gpio_free ( GPIO_NR_PALMLD_LCD_POWER ) ;
err2 :
gpio_free ( GPIO_NR_PALMLD_BL_POWER ) ;
err :
return ret ;
}
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static int palmld_backlight_notify ( struct device * dev , int brightness )
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{
gpio_set_value ( GPIO_NR_PALMLD_BL_POWER , brightness ) ;
gpio_set_value ( GPIO_NR_PALMLD_LCD_POWER , brightness ) ;
return brightness ;
}
static void palmld_backlight_exit ( struct device * dev )
{
gpio_free ( GPIO_NR_PALMLD_BL_POWER ) ;
gpio_free ( GPIO_NR_PALMLD_LCD_POWER ) ;
}
static struct platform_pwm_backlight_data palmld_backlight_data = {
. pwm_id = 0 ,
. max_brightness = PALMLD_MAX_INTENSITY ,
. dft_brightness = PALMLD_MAX_INTENSITY ,
. pwm_period_ns = PALMLD_PERIOD_NS ,
. init = palmld_backlight_init ,
. notify = palmld_backlight_notify ,
. exit = palmld_backlight_exit ,
} ;
static struct platform_device palmld_backlight = {
. name = " pwm-backlight " ,
. dev = {
. parent = & pxa27x_device_pwm0 . dev ,
. platform_data = & palmld_backlight_data ,
} ,
} ;
/******************************************************************************
* IrDA
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct pxaficp_platform_data palmld_ficp_platform_data = {
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. gpio_pwdown = GPIO_NR_PALMLD_IR_DISABLE ,
. transceiver_cap = IR_SIRMODE | IR_OFF ,
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} ;
/******************************************************************************
* LEDs
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
struct gpio_led gpio_leds [ ] = {
{
. name = " palmld:green:led " ,
. default_trigger = " none " ,
. gpio = GPIO_NR_PALMLD_LED_GREEN ,
} , {
. name = " palmld:amber:led " ,
. default_trigger = " none " ,
. gpio = GPIO_NR_PALMLD_LED_AMBER ,
} ,
} ;
static struct gpio_led_platform_data gpio_led_info = {
. leds = gpio_leds ,
. num_leds = ARRAY_SIZE ( gpio_leds ) ,
} ;
static struct platform_device palmld_leds = {
. name = " leds-gpio " ,
. id = - 1 ,
. dev = {
. platform_data = & gpio_led_info ,
}
} ;
/******************************************************************************
* Power supply
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static int power_supply_init ( struct device * dev )
{
int ret ;
ret = gpio_request ( GPIO_NR_PALMLD_POWER_DETECT , " CABLE_STATE_AC " ) ;
if ( ret )
goto err1 ;
ret = gpio_direction_input ( GPIO_NR_PALMLD_POWER_DETECT ) ;
if ( ret )
goto err2 ;
ret = gpio_request ( GPIO_NR_PALMLD_USB_DETECT_N , " CABLE_STATE_USB " ) ;
if ( ret )
goto err2 ;
ret = gpio_direction_input ( GPIO_NR_PALMLD_USB_DETECT_N ) ;
if ( ret )
goto err3 ;
return 0 ;
err3 :
gpio_free ( GPIO_NR_PALMLD_USB_DETECT_N ) ;
err2 :
gpio_free ( GPIO_NR_PALMLD_POWER_DETECT ) ;
err1 :
return ret ;
}
static int palmld_is_ac_online ( void )
{
return gpio_get_value ( GPIO_NR_PALMLD_POWER_DETECT ) ;
}
static int palmld_is_usb_online ( void )
{
return ! gpio_get_value ( GPIO_NR_PALMLD_USB_DETECT_N ) ;
}
static void power_supply_exit ( struct device * dev )
{
gpio_free ( GPIO_NR_PALMLD_USB_DETECT_N ) ;
gpio_free ( GPIO_NR_PALMLD_POWER_DETECT ) ;
}
static char * palmld_supplicants [ ] = {
" main-battery " ,
} ;
static struct pda_power_pdata power_supply_info = {
. init = power_supply_init ,
. is_ac_online = palmld_is_ac_online ,
. is_usb_online = palmld_is_usb_online ,
. exit = power_supply_exit ,
. supplied_to = palmld_supplicants ,
. num_supplicants = ARRAY_SIZE ( palmld_supplicants ) ,
} ;
static struct platform_device power_supply = {
. name = " pda-power " ,
. id = - 1 ,
. dev = {
. platform_data = & power_supply_info ,
} ,
} ;
/******************************************************************************
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* WM97xx audio , battery
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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static struct wm97xx_batt_pdata palmld_batt_pdata = {
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. batt_aux = WM97XX_AUX_ID3 ,
. temp_aux = WM97XX_AUX_ID2 ,
. charge_gpio = - 1 ,
. max_voltage = PALMLD_BAT_MAX_VOLTAGE ,
. min_voltage = PALMLD_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 " ,
} ;
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static struct wm97xx_pdata palmld_wm97xx_pdata = {
. batt_pdata = & palmld_batt_pdata ,
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} ;
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static pxa2xx_audio_ops_t palmld_ac97_pdata = {
. reset_gpio = 95 ,
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. codec_pdata = { & palmld_wm97xx_pdata , } ,
} ;
static struct palm27x_asoc_info palmld_asoc_pdata = {
. jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT ,
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} ;
static struct platform_device palmld_asoc = {
. name = " palm27x-asoc " ,
. id = - 1 ,
. dev = {
. platform_data = & palmld_asoc_pdata ,
} ,
} ;
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/******************************************************************************
* HDD
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct platform_device palmld_hdd = {
. name = " pata_palmld " ,
. id = - 1 ,
} ;
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/******************************************************************************
* Framebuffer
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static struct pxafb_mode_info palmld_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 palmld_lcd_screen = {
. modes = palmld_lcd_modes ,
. num_modes = ARRAY_SIZE ( palmld_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 palmld_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 ( PALMLD_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)
& palmld_pxa_keys ,
# endif
& palmld_backlight ,
& palmld_leds ,
& power_supply ,
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& palmld_asoc ,
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& palmld_hdd ,
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& palmld_flash ,
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} ;
static struct map_desc palmld_io_desc [ ] __initdata = {
{
. virtual = PALMLD_IDE_VIRT ,
. pfn = __phys_to_pfn ( PALMLD_IDE_PHYS ) ,
. length = PALMLD_IDE_SIZE ,
. type = MT_DEVICE
} ,
{
. virtual = PALMLD_USB_VIRT ,
. pfn = __phys_to_pfn ( PALMLD_USB_PHYS ) ,
. length = PALMLD_USB_SIZE ,
. type = MT_DEVICE
} ,
} ;
static void __init palmld_map_io ( void )
{
pxa_map_io ( ) ;
iotable_init ( palmld_io_desc , ARRAY_SIZE ( palmld_io_desc ) ) ;
}
static void __init palmld_init ( void )
{
pxa2xx_mfp_config ( ARRAY_AND_SIZE ( palmld_pin_config ) ) ;
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pxa_set_ffuart_info ( NULL ) ;
pxa_set_btuart_info ( NULL ) ;
pxa_set_stuart_info ( NULL ) ;
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palmld_pm_init ( ) ;
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set_pxa_fb_info ( & palmld_lcd_screen ) ;
pxa_set_mci_info ( & palmld_mci_platform_data ) ;
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pxa_set_ac97_info ( & palmld_ac97_pdata ) ;
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pxa_set_ficp_info ( & palmld_ficp_platform_data ) ;
pxa_set_keypad_info ( & palmld_keypad_platform_data ) ;
platform_add_devices ( devices , ARRAY_SIZE ( devices ) ) ;
}
MACHINE_START ( PALMLD , " Palm LifeDrive " )
. phys_io = PALMLD_PHYS_IO_START ,
. io_pg_offst = ( io_p2v ( 0x40000000 ) > > 18 ) & 0xfffc ,
. boot_params = 0xa0000100 ,
. map_io = palmld_map_io ,
. init_irq = pxa27x_init_irq ,
. timer = & pxa_timer ,
. init_machine = palmld_init
MACHINE_END
