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/*
* linux / arch / arm / mach - pxa / palmtc . c
*
* Support for the Palm Tungsten | C
*
* Author : Marek Vasut < marek . vasut @ gmail . com >
*
* Based on work of :
* Petr Blaha < p3t3 @ centrum . cz >
* Chetan S . Kumar < shivakumar . chetan @ 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 .
*/
# include <linux/platform_device.h>
# include <linux/delay.h>
# include <linux/irq.h>
# include <linux/input.h>
# include <linux/pwm_backlight.h>
# include <linux/gpio.h>
# include <linux/input/matrix_keypad.h>
# include <linux/ucb1400.h>
# include <linux/power_supply.h>
# include <linux/gpio_keys.h>
# include <linux/mtd/physmap.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>
# include <mach/audio.h>
# include <mach/palmtc.h>
# include <mach/mmc.h>
# include <mach/pxafb.h>
# include <mach/mfp-pxa25x.h>
# include <mach/irda.h>
# include <mach/udc.h>
# include <mach/pxa2xx-regs.h>
# include "generic.h"
# include "devices.h"
/******************************************************************************
* Pin configuration
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static unsigned long palmtc_pin_config [ ] __initdata = {
/* MMC */
GPIO6_MMC_CLK ,
GPIO8_MMC_CS0 ,
GPIO12_GPIO , /* detect */
GPIO32_GPIO , /* power */
GPIO54_GPIO , /* r/o switch */
/* PCMCIA */
GPIO52_nPCE_1 ,
GPIO53_nPCE_2 ,
GPIO50_nPIOR ,
GPIO51_nPIOW ,
GPIO49_nPWE ,
GPIO48_nPOE ,
GPIO52_nPCE_1 ,
GPIO53_nPCE_2 ,
GPIO57_nIOIS16 ,
GPIO56_nPWAIT ,
/* AC97 */
GPIO28_AC97_BITCLK ,
GPIO29_AC97_SDATA_IN_0 ,
GPIO30_AC97_SDATA_OUT ,
GPIO31_AC97_SYNC ,
/* IrDA */
GPIO45_GPIO , /* ir disable */
GPIO46_FICP_RXD ,
GPIO47_FICP_TXD ,
/* PWM */
GPIO17_PWM1_OUT ,
/* USB */
GPIO4_GPIO , /* detect */
GPIO36_GPIO , /* pullup */
/* LCD */
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GPIOxx_LCD_TFT_16BPP ,
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/* MATRIX KEYPAD */
GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH , /* in 0 */
GPIO9_GPIO | WAKEUP_ON_EDGE_BOTH , /* in 1 */
GPIO10_GPIO | WAKEUP_ON_EDGE_BOTH , /* in 2 */
GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH , /* in 3 */
GPIO18_GPIO | MFP_LPM_DRIVE_LOW , /* out 0 */
GPIO19_GPIO | MFP_LPM_DRIVE_LOW , /* out 1 */
GPIO20_GPIO | MFP_LPM_DRIVE_LOW , /* out 2 */
GPIO21_GPIO | MFP_LPM_DRIVE_LOW , /* out 3 */
GPIO22_GPIO | MFP_LPM_DRIVE_LOW , /* out 4 */
GPIO23_GPIO | MFP_LPM_DRIVE_LOW , /* out 5 */
GPIO24_GPIO | MFP_LPM_DRIVE_LOW , /* out 6 */
GPIO25_GPIO | MFP_LPM_DRIVE_LOW , /* out 7 */
GPIO26_GPIO | MFP_LPM_DRIVE_LOW , /* out 8 */
GPIO27_GPIO | MFP_LPM_DRIVE_LOW , /* out 9 */
GPIO79_GPIO | MFP_LPM_DRIVE_LOW , /* out 10 */
GPIO80_GPIO | MFP_LPM_DRIVE_LOW , /* out 11 */
/* PXA GPIO KEYS */
GPIO7_GPIO | WAKEUP_ON_EDGE_BOTH , /* hotsync button on cradle */
/* MISC */
GPIO1_RST , /* reset */
GPIO2_GPIO , /* earphone detect */
GPIO16_GPIO , /* backlight switch */
} ;
/******************************************************************************
* SD / MMC card controller
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
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static struct pxamci_platform_data palmtc_mci_platform_data = {
. ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34 ,
. gpio_power = GPIO_NR_PALMTC_SD_POWER ,
. gpio_card_ro = GPIO_NR_PALMTC_SD_READONLY ,
. gpio_card_detect = GPIO_NR_PALMTC_SD_DETECT_N ,
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. detect_delay_ms = 200 ,
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} ;
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static void __init palmtc_mmc_init ( void )
{
pxa_set_mci_info ( & palmtc_mci_platform_data ) ;
}
# else
static inline void palmtc_mmc_init ( void ) { }
# endif
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/******************************************************************************
* GPIO keys
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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static struct gpio_keys_button palmtc_pxa_buttons [ ] = {
{ KEY_F8 , GPIO_NR_PALMTC_HOTSYNC_BUTTON , 1 , " HotSync Button " , EV_KEY , 1 } ,
} ;
static struct gpio_keys_platform_data palmtc_pxa_keys_data = {
. buttons = palmtc_pxa_buttons ,
. nbuttons = ARRAY_SIZE ( palmtc_pxa_buttons ) ,
} ;
static struct platform_device palmtc_pxa_keys = {
. name = " gpio-keys " ,
. id = - 1 ,
. dev = {
. platform_data = & palmtc_pxa_keys_data ,
} ,
} ;
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static void __init palmtc_keys_init ( void )
{
platform_device_register ( & palmtc_pxa_keys ) ;
}
# else
static inline void palmtc_keys_init ( void ) { }
# endif
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/******************************************************************************
* Backlight
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_BACKLIGHT_PWM) || defined(CONFIG_BACKLIGHT_PWM_MODULE)
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static int palmtc_backlight_init ( struct device * dev )
{
int ret ;
ret = gpio_request ( GPIO_NR_PALMTC_BL_POWER , " BL POWER " ) ;
if ( ret )
goto err ;
ret = gpio_direction_output ( GPIO_NR_PALMTC_BL_POWER , 1 ) ;
if ( ret )
goto err2 ;
return 0 ;
err2 :
gpio_free ( GPIO_NR_PALMTC_BL_POWER ) ;
err :
return ret ;
}
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static int palmtc_backlight_notify ( struct device * dev , int brightness )
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{
/* backlight is on when GPIO16 AF0 is high */
gpio_set_value ( GPIO_NR_PALMTC_BL_POWER , brightness ) ;
return brightness ;
}
static void palmtc_backlight_exit ( struct device * dev )
{
gpio_free ( GPIO_NR_PALMTC_BL_POWER ) ;
}
static struct platform_pwm_backlight_data palmtc_backlight_data = {
. pwm_id = 1 ,
. max_brightness = PALMTC_MAX_INTENSITY ,
. dft_brightness = PALMTC_MAX_INTENSITY ,
. pwm_period_ns = PALMTC_PERIOD_NS ,
. init = palmtc_backlight_init ,
. notify = palmtc_backlight_notify ,
. exit = palmtc_backlight_exit ,
} ;
static struct platform_device palmtc_backlight = {
. name = " pwm-backlight " ,
. dev = {
. parent = & pxa25x_device_pwm1 . dev ,
. platform_data = & palmtc_backlight_data ,
} ,
} ;
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static void __init palmtc_pwm_init ( void )
{
platform_device_register ( & palmtc_backlight ) ;
}
# else
static inline void palmtc_pwm_init ( void ) { }
# endif
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/******************************************************************************
* IrDA
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_IRDA) || defined(CONFIG_IRDA_MODULE)
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static struct pxaficp_platform_data palmtc_ficp_platform_data = {
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. gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE ,
. transceiver_cap = IR_SIRMODE | IR_OFF ,
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} ;
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static void __init palmtc_irda_init ( void )
{
pxa_set_ficp_info ( & palmtc_ficp_platform_data ) ;
}
# else
static inline void palmtc_irda_init ( void ) { }
# endif
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/******************************************************************************
* Keyboard
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_KEYBOARD_MATRIX) || defined(CONFIG_KEYBOARD_MATRIX_MODULE)
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static const uint32_t palmtc_matrix_keys [ ] = {
KEY ( 0 , 0 , KEY_F1 ) ,
KEY ( 0 , 1 , KEY_X ) ,
KEY ( 0 , 2 , KEY_POWER ) ,
KEY ( 0 , 3 , KEY_TAB ) ,
KEY ( 0 , 4 , KEY_A ) ,
KEY ( 0 , 5 , KEY_Q ) ,
KEY ( 0 , 6 , KEY_LEFTSHIFT ) ,
KEY ( 0 , 7 , KEY_Z ) ,
KEY ( 0 , 8 , KEY_S ) ,
KEY ( 0 , 9 , KEY_W ) ,
KEY ( 0 , 10 , KEY_E ) ,
KEY ( 0 , 11 , KEY_UP ) ,
KEY ( 1 , 0 , KEY_F2 ) ,
KEY ( 1 , 1 , KEY_DOWN ) ,
KEY ( 1 , 3 , KEY_D ) ,
KEY ( 1 , 4 , KEY_C ) ,
KEY ( 1 , 5 , KEY_F ) ,
KEY ( 1 , 6 , KEY_R ) ,
KEY ( 1 , 7 , KEY_SPACE ) ,
KEY ( 1 , 8 , KEY_V ) ,
KEY ( 1 , 9 , KEY_G ) ,
KEY ( 1 , 10 , KEY_T ) ,
KEY ( 1 , 11 , KEY_LEFT ) ,
KEY ( 2 , 0 , KEY_F3 ) ,
KEY ( 2 , 1 , KEY_LEFTCTRL ) ,
KEY ( 2 , 3 , KEY_H ) ,
KEY ( 2 , 4 , KEY_Y ) ,
KEY ( 2 , 5 , KEY_N ) ,
KEY ( 2 , 6 , KEY_J ) ,
KEY ( 2 , 7 , KEY_U ) ,
KEY ( 2 , 8 , KEY_M ) ,
KEY ( 2 , 9 , KEY_K ) ,
KEY ( 2 , 10 , KEY_I ) ,
KEY ( 2 , 11 , KEY_RIGHT ) ,
KEY ( 3 , 0 , KEY_F4 ) ,
KEY ( 3 , 1 , KEY_ENTER ) ,
KEY ( 3 , 3 , KEY_DOT ) ,
KEY ( 3 , 4 , KEY_L ) ,
KEY ( 3 , 5 , KEY_O ) ,
KEY ( 3 , 6 , KEY_LEFTALT ) ,
KEY ( 3 , 7 , KEY_ENTER ) ,
KEY ( 3 , 8 , KEY_BACKSPACE ) ,
KEY ( 3 , 9 , KEY_P ) ,
KEY ( 3 , 10 , KEY_B ) ,
KEY ( 3 , 11 , KEY_FN ) ,
} ;
const struct matrix_keymap_data palmtc_keymap_data = {
. keymap = palmtc_matrix_keys ,
. keymap_size = ARRAY_SIZE ( palmtc_matrix_keys ) ,
} ;
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static const unsigned int palmtc_keypad_row_gpios [ ] = {
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0 , 9 , 10 , 11
} ;
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static const unsigned int palmtc_keypad_col_gpios [ ] = {
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18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 79 , 80
} ;
static struct matrix_keypad_platform_data palmtc_keypad_platform_data = {
. keymap_data = & palmtc_keymap_data ,
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. row_gpios = palmtc_keypad_row_gpios ,
. num_row_gpios = ARRAY_SIZE ( palmtc_keypad_row_gpios ) ,
. col_gpios = palmtc_keypad_col_gpios ,
. num_col_gpios = ARRAY_SIZE ( palmtc_keypad_col_gpios ) ,
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. active_low = 1 ,
. debounce_ms = 20 ,
. col_scan_delay_us = 5 ,
} ;
static struct platform_device palmtc_keyboard = {
. name = " matrix-keypad " ,
. id = - 1 ,
. dev = {
. platform_data = & palmtc_keypad_platform_data ,
} ,
} ;
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static void __init palmtc_mkp_init ( void )
{
platform_device_register ( & palmtc_keyboard ) ;
}
# else
static inline void palmtc_mkp_init ( void ) { }
# endif
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/******************************************************************************
* UDC
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_USB_GADGET_PXA25X)||defined(CONFIG_USB_GADGET_PXA25X_MODULE)
static struct gpio_vbus_mach_info palmtc_udc_info = {
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. gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N ,
. gpio_vbus_inverted = 1 ,
. gpio_pullup = GPIO_NR_PALMTC_USB_POWER ,
} ;
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static struct platform_device palmtc_gpio_vbus = {
. name = " gpio-vbus " ,
. id = - 1 ,
. dev = {
. platform_data = & palmtc_udc_info ,
} ,
} ;
static void __init palmtc_udc_init ( void )
{
platform_device_register ( & palmtc_gpio_vbus ) ;
} ;
# else
static inline void palmtc_udc_init ( void ) { }
# endif
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/******************************************************************************
* Touchscreen / Battery / GPIO - extender
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_TOUCHSCREEN_UCB1400) || \
defined ( CONFIG_TOUCHSCREEN_UCB1400_MODULE )
static struct platform_device palmtc_ucb1400_device = {
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. name = " ucb1400_core " ,
. id = - 1 ,
} ;
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static void __init palmtc_ts_init ( void )
{
pxa_set_ac97_info ( NULL ) ;
platform_device_register ( & palmtc_ucb1400_device ) ;
}
# else
static inline void palmtc_ts_init ( void ) { }
# endif
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/******************************************************************************
* LEDs
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
# if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
struct gpio_led palmtc_gpio_leds [ ] = {
{
. name = " palmtc:green:user " ,
. default_trigger = " none " ,
. gpio = GPIO_NR_PALMTC_LED_POWER ,
. active_low = 1 ,
} , {
. name = " palmtc:vibra:vibra " ,
. default_trigger = " none " ,
. gpio = GPIO_NR_PALMTC_VIBRA_POWER ,
. active_low = 1 ,
}
} ;
static struct gpio_led_platform_data palmtc_gpio_led_info = {
. leds = palmtc_gpio_leds ,
. num_leds = ARRAY_SIZE ( palmtc_gpio_leds ) ,
} ;
static struct platform_device palmtc_leds = {
. name = " leds-gpio " ,
. id = - 1 ,
. dev = {
. platform_data = & palmtc_gpio_led_info ,
}
} ;
static void __init palmtc_leds_init ( void )
{
platform_device_register ( & palmtc_leds ) ;
}
# else
static inline void palmtc_leds_init ( void ) { }
# endif
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/******************************************************************************
* NOR Flash
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
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static struct resource palmtc_flash_resource = {
. start = PXA_CS0_PHYS ,
. end = PXA_CS0_PHYS + SZ_16M - 1 ,
. flags = IORESOURCE_MEM ,
} ;
static struct mtd_partition palmtc_flash_parts [ ] = {
{
. name = " U-Boot Bootloader " ,
. offset = 0x0 ,
. size = 0x40000 ,
} ,
{
. name = " Linux Kernel " ,
. offset = 0x40000 ,
. size = 0x2c0000 ,
} ,
{
. name = " Filesystem " ,
. offset = 0x300000 ,
. size = 0xcc0000 ,
} ,
{
. name = " U-Boot Environment " ,
. offset = 0xfc0000 ,
. size = MTDPART_SIZ_FULL ,
} ,
} ;
static struct physmap_flash_data palmtc_flash_data = {
. width = 4 ,
. parts = palmtc_flash_parts ,
. nr_parts = ARRAY_SIZE ( palmtc_flash_parts ) ,
} ;
static struct platform_device palmtc_flash = {
. name = " physmap-flash " ,
. id = - 1 ,
. resource = & palmtc_flash_resource ,
. num_resources = 1 ,
. dev = {
. platform_data = & palmtc_flash_data ,
} ,
} ;
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static void __init palmtc_nor_init ( void )
{
platform_device_register ( & palmtc_flash ) ;
}
# else
static inline void palmtc_nor_init ( void ) { }
# endif
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/******************************************************************************
* Framebuffer
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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# if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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static struct pxafb_mode_info palmtc_lcd_modes [ ] = {
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{
. pixclock = 115384 ,
. xres = 320 ,
. yres = 320 ,
. bpp = 16 ,
. left_margin = 27 ,
. right_margin = 7 ,
. upper_margin = 7 ,
. lower_margin = 8 ,
. hsync_len = 6 ,
. vsync_len = 1 ,
} ,
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} ;
static struct pxafb_mach_info palmtc_lcd_screen = {
. modes = palmtc_lcd_modes ,
. num_modes = ARRAY_SIZE ( palmtc_lcd_modes ) ,
. lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL ,
} ;
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static void __init palmtc_lcd_init ( void )
{
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pxa_set_fb_info ( NULL , & palmtc_lcd_screen ) ;
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}
# else
static inline void palmtc_lcd_init ( void ) { }
# endif
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/******************************************************************************
* Machine init
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
static void __init palmtc_init ( void )
{
pxa2xx_mfp_config ( ARRAY_AND_SIZE ( palmtc_pin_config ) ) ;
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pxa_set_ffuart_info ( NULL ) ;
pxa_set_btuart_info ( NULL ) ;
pxa_set_stuart_info ( NULL ) ;
pxa_set_hwuart_info ( NULL ) ;
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palmtc_mmc_init ( ) ;
palmtc_keys_init ( ) ;
palmtc_pwm_init ( ) ;
palmtc_irda_init ( ) ;
palmtc_mkp_init ( ) ;
palmtc_udc_init ( ) ;
palmtc_ts_init ( ) ;
palmtc_nor_init ( ) ;
palmtc_lcd_init ( ) ;
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palmtc_leds_init ( ) ;
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} ;
MACHINE_START ( PALMTC , " Palm Tungsten|C " )
. boot_params = 0xa0000100 ,
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. map_io = pxa25x_map_io ,
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. init_irq = pxa25x_init_irq ,
. timer = & pxa_timer ,
. init_machine = palmtc_init
MACHINE_END
