536 lines
14 KiB
C
536 lines
14 KiB
C
/*
|
|
* 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>
|
|
#include <linux/usb/gpio_vbus.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/pxa27x.h>
|
|
#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,
|
|
GPIO89_AC97_SYSCLK,
|
|
GPIO95_AC97_nRESET,
|
|
|
|
/* IrDA */
|
|
GPIO40_GPIO, /* ir disable */
|
|
GPIO46_FICP_RXD,
|
|
GPIO47_FICP_TXD,
|
|
|
|
/* USB */
|
|
GPIO15_GPIO, /* usb detect */
|
|
GPIO93_GPIO, /* usb power */
|
|
|
|
/* MATRIX KEYPAD */
|
|
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,
|
|
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,
|
|
|
|
/* MISC */
|
|
GPIO10_GPIO, /* hotsync button */
|
|
GPIO90_GPIO, /* power detect */
|
|
GPIO107_GPIO, /* earphone detect */
|
|
};
|
|
|
|
/******************************************************************************
|
|
* SD/MMC card controller
|
|
******************************************************************************/
|
|
static int palmt5_mci_init(struct device *dev, irq_handler_t palmt5_detect_int,
|
|
void *data)
|
|
{
|
|
int err = 0;
|
|
|
|
/* Setup an interrupt for detecting card insert/remove events */
|
|
err = gpio_request(GPIO_NR_PALMT5_SD_DETECT_N, "SD IRQ");
|
|
if (err)
|
|
goto err;
|
|
err = gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N);
|
|
if (err)
|
|
goto err2;
|
|
err = request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N),
|
|
palmt5_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
|
|
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
|
|
"SD/MMC card detect", data);
|
|
if (err) {
|
|
printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n",
|
|
__func__);
|
|
goto err2;
|
|
}
|
|
|
|
err = gpio_request(GPIO_NR_PALMT5_SD_POWER, "SD_POWER");
|
|
if (err)
|
|
goto err3;
|
|
err = gpio_direction_output(GPIO_NR_PALMT5_SD_POWER, 0);
|
|
if (err)
|
|
goto err4;
|
|
|
|
err = gpio_request(GPIO_NR_PALMT5_SD_READONLY, "SD_READONLY");
|
|
if (err)
|
|
goto err4;
|
|
err = gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY);
|
|
if (err)
|
|
goto err5;
|
|
|
|
printk(KERN_DEBUG "%s: irq registered\n", __func__);
|
|
|
|
return 0;
|
|
|
|
err5:
|
|
gpio_free(GPIO_NR_PALMT5_SD_READONLY);
|
|
err4:
|
|
gpio_free(GPIO_NR_PALMT5_SD_POWER);
|
|
err3:
|
|
free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N), data);
|
|
err2:
|
|
gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
|
|
err:
|
|
return err;
|
|
}
|
|
|
|
static void palmt5_mci_exit(struct device *dev, void *data)
|
|
{
|
|
gpio_free(GPIO_NR_PALMT5_SD_READONLY);
|
|
gpio_free(GPIO_NR_PALMT5_SD_POWER);
|
|
free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N, data);
|
|
gpio_free(GPIO_NR_PALMT5_SD_DETECT_N);
|
|
}
|
|
|
|
static void palmt5_mci_power(struct device *dev, unsigned int vdd)
|
|
{
|
|
struct pxamci_platform_data *p_d = dev->platform_data;
|
|
gpio_set_value(GPIO_NR_PALMT5_SD_POWER, p_d->ocr_mask & (1 << vdd));
|
|
}
|
|
|
|
static int palmt5_mci_get_ro(struct device *dev)
|
|
{
|
|
return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY);
|
|
}
|
|
|
|
static struct pxamci_platform_data palmt5_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
|
|
.setpower = palmt5_mci_power,
|
|
.get_ro = palmt5_mci_get_ro,
|
|
.init = palmt5_mci_init,
|
|
.exit = palmt5_mci_exit,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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 int palmt5_irda_startup(struct device *dev)
|
|
{
|
|
int err;
|
|
err = gpio_request(GPIO_NR_PALMT5_IR_DISABLE, "IR DISABLE");
|
|
if (err)
|
|
goto err;
|
|
err = gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE, 1);
|
|
if (err)
|
|
gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
|
|
err:
|
|
return err;
|
|
}
|
|
|
|
static void palmt5_irda_shutdown(struct device *dev)
|
|
{
|
|
gpio_free(GPIO_NR_PALMT5_IR_DISABLE);
|
|
}
|
|
|
|
static void palmt5_irda_transceiver_mode(struct device *dev, int mode)
|
|
{
|
|
gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE, mode & IR_OFF);
|
|
pxa2xx_transceiver_mode(dev, mode);
|
|
}
|
|
|
|
static struct pxaficp_platform_data palmt5_ficp_platform_data = {
|
|
.startup = palmt5_irda_startup,
|
|
.shutdown = palmt5_irda_shutdown,
|
|
.transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF,
|
|
.transceiver_mode = palmt5_irda_transceiver_mode,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* UDC
|
|
******************************************************************************/
|
|
static struct gpio_vbus_mach_info palmt5_udc_info = {
|
|
.gpio_vbus = GPIO_NR_PALMT5_USB_DETECT_N,
|
|
.gpio_vbus_inverted = 1,
|
|
.gpio_pullup = GPIO_NR_PALMT5_USB_PULLUP,
|
|
};
|
|
|
|
static struct platform_device palmt5_gpio_vbus = {
|
|
.name = "gpio-vbus",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmt5_udc_info,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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
|
|
******************************************************************************/
|
|
static struct palm27x_asoc_info palmt5_asoc_pdata = {
|
|
.jack_gpio = GPIO_NR_PALMT5_EARPHONE_DETECT,
|
|
};
|
|
|
|
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,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Power management - standby
|
|
******************************************************************************/
|
|
static void __init palmt5_pm_init(void)
|
|
{
|
|
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));
|
|
}
|
|
|
|
/******************************************************************************
|
|
* 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,
|
|
&palmt5_asoc,
|
|
&palmt5_gpio_vbus,
|
|
};
|
|
|
|
/* setup udc GPIOs initial state */
|
|
static void __init palmt5_udc_init(void)
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
|
|
static void __init palmt5_init(void)
|
|
{
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config));
|
|
|
|
palmt5_pm_init();
|
|
set_pxa_fb_info(&palmt5_lcd_screen);
|
|
pxa_set_mci_info(&palmt5_mci_platform_data);
|
|
palmt5_udc_init();
|
|
pxa_set_ac97_info(&palmt5_ac97_pdata);
|
|
pxa_set_ficp_info(&palmt5_ficp_platform_data);
|
|
pxa_set_keypad_info(&palmt5_keypad_platform_data);
|
|
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
|
|
|
|
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
|