mirror of
https://github.com/torvalds/linux.git
synced 2024-12-14 23:25:54 +00:00
557 lines
14 KiB
C
557 lines
14 KiB
C
/*
|
|
* 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>
|
|
#include <linux/wm97xx_batt.h>
|
|
#include <linux/power_supply.h>
|
|
#include <linux/sysdev.h>
|
|
#include <linux/mtd/mtd.h>
|
|
#include <linux/mtd/partitions.h>
|
|
#include <linux/mtd/physmap.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/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,
|
|
GPIO89_AC97_SYSCLK,
|
|
GPIO95_AC97_nRESET,
|
|
|
|
/* IrDA */
|
|
GPIO108_GPIO, /* ir disable */
|
|
GPIO46_FICP_RXD,
|
|
GPIO47_FICP_TXD,
|
|
|
|
/* 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,
|
|
|
|
/* 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 */
|
|
|
|
/* FFUART */
|
|
GPIO34_FFUART_RXD,
|
|
GPIO39_FFUART_TXD,
|
|
|
|
/* HDD */
|
|
GPIO98_GPIO, /* HDD reset */
|
|
GPIO115_GPIO, /* HDD power */
|
|
|
|
/* MISC */
|
|
GPIO13_GPIO, /* earphone detect */
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* SD/MMC card controller
|
|
******************************************************************************/
|
|
static struct pxamci_platform_data palmld_mci_platform_data = {
|
|
.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,
|
|
.detect_delay = 20,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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;
|
|
}
|
|
|
|
static int palmld_backlight_notify(struct device *dev, int brightness)
|
|
{
|
|
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 = {
|
|
.gpio_pwdown = GPIO_NR_PALMLD_IR_DISABLE,
|
|
.transceiver_cap = IR_SIRMODE | IR_OFF,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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 = 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",
|
|
};
|
|
|
|
/******************************************************************************
|
|
* aSoC audio
|
|
******************************************************************************/
|
|
static struct palm27x_asoc_info palmld_asoc_pdata = {
|
|
.jack_gpio = GPIO_NR_PALMLD_EARPHONE_DETECT,
|
|
};
|
|
|
|
static pxa2xx_audio_ops_t palmld_ac97_pdata = {
|
|
.reset_gpio = 95,
|
|
};
|
|
|
|
static struct platform_device palmld_asoc = {
|
|
.name = "palm27x-asoc",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &palmld_asoc_pdata,
|
|
},
|
|
};
|
|
|
|
/******************************************************************************
|
|
* HDD
|
|
******************************************************************************/
|
|
static struct platform_device palmld_hdd = {
|
|
.name = "pata_palmld",
|
|
.id = -1,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* 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,
|
|
};
|
|
|
|
/******************************************************************************
|
|
* Power management - standby
|
|
******************************************************************************/
|
|
static void __init palmld_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(PALMLD_STR_BASE), resume, sizeof(resume));
|
|
}
|
|
|
|
/******************************************************************************
|
|
* 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,
|
|
&palmld_asoc,
|
|
&palmld_hdd,
|
|
&palmld_flash,
|
|
};
|
|
|
|
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));
|
|
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
|
|
palmld_pm_init();
|
|
set_pxa_fb_info(&palmld_lcd_screen);
|
|
pxa_set_mci_info(&palmld_mci_platform_data);
|
|
pxa_set_ac97_info(&palmld_ac97_pdata);
|
|
pxa_set_ficp_info(&palmld_ficp_platform_data);
|
|
pxa_set_keypad_info(&palmld_keypad_platform_data);
|
|
wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
|
|
|
|
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
|