902805dbda
Palm Tungsten C keyboard structure has swapped rows/cols gpio structures and does not work. This patch fixes it. Signed-off-by: Ondrej Zajicek <santiago@crfreenet.org> Cc: Marek Vasut <marek.vasut@gmail.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
436 lines
11 KiB
C
436 lines
11 KiB
C
/*
|
|
* 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>
|
|
|
|
#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 */
|
|
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,
|
|
|
|
/* 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
|
|
******************************************************************************/
|
|
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,
|
|
.detect_delay = 20,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* GPIO keys
|
|
******************************************************************************/
|
|
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,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Backlight
|
|
******************************************************************************/
|
|
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;
|
|
}
|
|
|
|
static int palmtc_backlight_notify(int brightness)
|
|
{
|
|
/* 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,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* IrDA
|
|
******************************************************************************/
|
|
static struct pxaficp_platform_data palmtc_ficp_platform_data = {
|
|
.gpio_pwdown = GPIO_NR_PALMTC_IR_DISABLE,
|
|
.transceiver_cap = IR_SIRMODE | IR_OFF,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Keyboard
|
|
******************************************************************************/
|
|
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),
|
|
};
|
|
|
|
const static unsigned int palmtc_keypad_row_gpios[] = {
|
|
0, 9, 10, 11
|
|
};
|
|
|
|
const static unsigned int palmtc_keypad_col_gpios[] = {
|
|
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,
|
|
.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),
|
|
.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,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* UDC
|
|
******************************************************************************/
|
|
static struct pxa2xx_udc_mach_info palmtc_udc_info __initdata = {
|
|
.gpio_vbus = GPIO_NR_PALMTC_USB_DETECT_N,
|
|
.gpio_vbus_inverted = 1,
|
|
.gpio_pullup = GPIO_NR_PALMTC_USB_POWER,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Touchscreen / Battery / GPIO-extender
|
|
******************************************************************************/
|
|
static struct platform_device palmtc_ucb1400_core = {
|
|
.name = "ucb1400_core",
|
|
.id = -1,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* NOR Flash
|
|
******************************************************************************/
|
|
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,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Framebuffer
|
|
******************************************************************************/
|
|
static struct pxafb_mode_info palmtc_lcd_modes[] = {
|
|
{
|
|
.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,
|
|
},
|
|
};
|
|
|
|
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,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Machine init
|
|
******************************************************************************/
|
|
static struct platform_device *devices[] __initdata = {
|
|
&palmtc_backlight,
|
|
&palmtc_ucb1400_core,
|
|
&palmtc_keyboard,
|
|
&palmtc_pxa_keys,
|
|
&palmtc_flash,
|
|
};
|
|
|
|
static void __init palmtc_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtc_pin_config));
|
|
|
|
set_pxa_fb_info(&palmtc_lcd_screen);
|
|
pxa_set_mci_info(&palmtc_mci_platform_data);
|
|
pxa_set_udc_info(&palmtc_udc_info);
|
|
pxa_set_ac97_info(NULL);
|
|
pxa_set_ficp_info(&palmtc_ficp_platform_data);
|
|
|
|
platform_add_devices(devices, ARRAY_SIZE(devices));
|
|
};
|
|
|
|
MACHINE_START(PALMTC, "Palm Tungsten|C")
|
|
.phys_io = 0x40000000,
|
|
.boot_params = 0xa0000100,
|
|
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
|
|
.map_io = pxa_map_io,
|
|
.init_irq = pxa25x_init_irq,
|
|
.timer = &pxa_timer,
|
|
.init_machine = palmtc_init
|
|
MACHINE_END
|