/*
* Hardware definitions for Palm Treo 680
*
* Author: Tomas Cech <sleep_walker@suse.cz>
*
* 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/w1-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/pxa27x.h>
#include <mach/pxa27x-udc.h>
#include <mach/audio.h>
#include <mach/treo680.h>
#include <mach/mmc.h>
#include <mach/pxafb.h>
#include <mach/irda.h>
#include <mach/pxa27x_keypad.h>
#include <mach/udc.h>
#include <mach/ohci.h>
#include <mach/pxa2xx-regs.h>
#include <mach/palmasoc.h>
#include <mach/camera.h>
#include <sound/pxa2xx-lib.h>
#include "generic.h"
#include "devices.h"
/******************************************************************************
* Pin configuration
******************************************************************************/
static unsigned long treo680_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,
GPIO33_GPIO, /* SD read only */
GPIO113_GPIO, /* SD detect */
/* AC97 */
GPIO28_AC97_BITCLK,
GPIO29_AC97_SDATA_IN_0,
GPIO30_AC97_SDATA_OUT,
GPIO31_AC97_SYNC,
GPIO89_AC97_SYSCLK,
GPIO95_AC97_nRESET,
/* IrDA */
GPIO46_FICP_RXD,
GPIO47_FICP_TXD,
/* PWM */
GPIO16_PWM0_OUT,
/* USB */
GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */
/* MATRIX KEYPAD */
GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
GPIO101_KP_MKIN_1,
GPIO102_KP_MKIN_2,
GPIO97_KP_MKIN_3,
GPIO98_KP_MKIN_4,
GPIO99_KP_MKIN_5,
GPIO91_KP_MKIN_6,
GPIO13_KP_MKIN_7,
GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH,
GPIO104_KP_MKOUT_1,
GPIO105_KP_MKOUT_2,
GPIO106_KP_MKOUT_3,
GPIO107_KP_MKOUT_4,
GPIO108_KP_MKOUT_5,
GPIO96_KP_MKOUT_6,
GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */
/* 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,
/* Quick Capture Interface */
GPIO84_CIF_FV,
GPIO85_CIF_LV,
GPIO53_CIF_MCLK,
GPIO54_CIF_PCLK,
GPIO81_CIF_DD_0,
GPIO55_CIF_DD_1,
GPIO51_CIF_DD_2,
GPIO50_CIF_DD_3,
GPIO52_CIF_DD_4,
GPIO48_CIF_DD_5,
GPIO17_CIF_DD_6,
GPIO12_CIF_DD_7,
/* I2C */
GPIO117_I2C_SCL,
GPIO118_I2C_SDA,
/* GSM */
GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */
GPIO34_FFUART_RXD,
GPIO35_FFUART_CTS,
GPIO39_FFUART_TXD,
GPIO41_FFUART_RTS,
/* MISC. */
GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */
GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */
GPIO116_GPIO, /* headphone detect */
GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */
};
/******************************************************************************
* SD/MMC card controller
******************************************************************************/
static int treo680_mci_init(struct device *dev,
irq_handler_t treo680_detect_int, void *data)
{
int err = 0;
/* Setup an interrupt for detecting card insert/remove events */
err = gpio_request(GPIO_NR_TREO680_SD_DETECT_N, "SD IRQ");
if (err)
goto err;
err = gpio_direction_input(GPIO_NR_TREO680_SD_DETECT_N);
if (err)
goto err2;
err = request_irq(gpio_to_irq(GPIO_NR_TREO680_SD_DETECT_N),
treo680_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM |
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"SD/MMC card detect", data);
if (err) {
dev_err(dev, "%s: cannot request SD/MMC card detect IRQ\n",
__func__);
goto err2;
}
err = gpio_request(GPIO_NR_TREO680_SD_POWER, "SD_POWER");
if (err)
goto err3;
err = gpio_direction_output(GPIO_NR_TREO680_SD_POWER, 1);
if (err)
goto err4;
err = gpio_request(GPIO_NR_TREO680_SD_READONLY, "SD_READONLY");
if (err)
goto err4;
err = gpio_direction_input(GPIO_NR_TREO680_SD_READONLY);
if (err)
goto err5;
return 0;
err5:
gpio_free(GPIO_NR_TREO680_SD_READONLY);
err4:
gpio_free(GPIO_NR_TREO680_SD_POWER);
err3:
free_irq(gpio_to_irq(GPIO_NR_TREO680_SD_DETECT_N), data);
err2:
gpio_free(GPIO_NR_TREO680_SD_DETECT_N);
err:
return err;
}
static void treo680_mci_exit(struct device *dev, void *data)
{
gpio_free(GPIO_NR_TREO680_SD_READONLY);
gpio_free(GPIO_NR_TREO680_SD_POWER);
free_irq(gpio_to_irq(GPIO_NR_TREO680_SD_DETECT_N), data);
gpio_free(GPIO_NR_TREO680_SD_DETECT_N);
}
static void treo680_mci_power(struct device *dev, unsigned int vdd)
{
struct pxamci_platform_data *p_d = dev->platform_data;
gpio_set_value(GPIO_NR_TREO680_SD_POWER, p_d->ocr_mask & (1 << vdd));
}
static int treo680_mci_get_ro(struct device *dev)
{
return gpio_get_value(GPIO_NR_TREO680_SD_READONLY);
}
static struct pxamci_platform_data treo680_mci_platform_data = {
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.setpower = treo680_mci_power,
.get_ro = treo680_mci_get_ro,
.init = treo680_mci_init,
.exit = treo680_mci_exit,
};
/******************************************************************************
* GPIO keyboard
******************************************************************************/
static unsigned int treo680_matrix_keys[] = {
KEY(0, 0, KEY_F8), /* Red/Off/Power */
KEY(0, 1, KEY_LEFT),
KEY(0, 2, KEY_LEFTCTRL), /* Alternate */
KEY(0, 3, KEY_L),
KEY(0, 4, KEY_A),
KEY(0, 5, KEY_Q),
KEY(0, 6, KEY_P),
KEY(1, 0, KEY_RIGHTCTRL), /* Menu */
KEY(1, 1, KEY_RIGHT),
KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */
KEY(1, 3, KEY_Z),
KEY(1, 4, KEY_S),
KEY(1, 5, KEY_W),
KEY(2, 0, KEY_F1), /* Phone */
KEY(2, 1, KEY_UP),
KEY(2, 2, KEY_0),
KEY(2, 3, KEY_X),
KEY(2, 4, KEY_D),
KEY(2, 5, KEY_E),
KEY(3, 0, KEY_F10), /* Calendar */
KEY(3, 1, KEY_DOWN),
KEY(3, 2, KEY_SPACE),
KEY(3, 3, KEY_C),
KEY(3, 4, KEY_F),
KEY(3, 5, KEY_R),
KEY(4, 0, KEY_F12), /* Mail */
KEY(4, 1, KEY_KPENTER),
KEY(4, 2, KEY_RIGHTALT), /* Alt */
KEY(4, 3, KEY_V),
KEY(4, 4, KEY_G),
KEY(4, 5, KEY_T),
KEY(5, 0, KEY_F9), /* Home */
KEY(5, 1, KEY_PAGEUP), /* Side up */
KEY(5, 2, KEY_DOT),
KEY(5, 3, KEY_B),
KEY(5, 4, KEY_H),
KEY(5, 5, KEY_Y),
KEY(6, 0, KEY_TAB), /* Side Activate */
KEY(6, 1, KEY_PAGEDOWN), /* Side down */
KEY(6, 2, KEY_ENTER),
KEY(6, 3, KEY_N),
KEY(6, 4, KEY_J),
KEY(6, 5, KEY_U),
KEY(7, 0, KEY_F6), /* Green/Call */
KEY(7, 1, KEY_O),
KEY(7, 2, KEY_BACKSPACE),
KEY(7, 3, KEY_M),
KEY(7, 4, KEY_K),
KEY(7, 5, KEY_I),
};
static struct pxa27x_keypad_platform_data treo680_keypad_platform_data = {
.matrix_key_rows = 8,
.matrix_key_cols = 7,
.matrix_key_map = treo680_matrix_keys,
.matrix_key_map_size = ARRAY_SIZE(treo680_matrix_keys),
.direct_key_map = { KEY_CONNECT },
.direct_key_num = 1,
.debounce_interval = 30,
};
/******************************************************************************
* aSoC audio
******************************************************************************/
static pxa2xx_audio_ops_t treo680_ac97_pdata = {
.reset_gpio = 95,
};
/******************************************************************************
* Backlight
******************************************************************************/
static int treo680_backlight_init(struct device *dev)
{
int ret;
ret = gpio_request(GPIO_NR_TREO680_BL_POWER, "BL POWER");
if (ret)
goto err;
ret = gpio_direction_output(GPIO_NR_TREO680_BL_POWER, 0);
if (ret)
goto err2;
ret = gpio_request(GPIO_NR_TREO680_LCD_POWER, "LCD POWER");
if (ret)
goto err2;
ret = gpio_direction_output(GPIO_NR_TREO680_LCD_POWER, 0);
if (ret)
goto err3;
return 0;
err3:
gpio_free(GPIO_NR_TREO680_LCD_POWER);
err2:
gpio_free(GPIO_NR_TREO680_BL_POWER);
err:
return ret;
}
static int treo680_backlight_notify(int brightness)
{
gpio_set_value(GPIO_NR_TREO680_BL_POWER, brightness);
return TREO680_MAX_INTENSITY - brightness;
};
static void treo680_backlight_exit(struct device *dev)
{
gpio_free(GPIO_NR_TREO680_BL_POWER);
gpio_free(GPIO_NR_TREO680_LCD_POWER);
}
static struct platform_pwm_backlight_data treo680_backlight_data = {
.pwm_id = 0,
.max_brightness = TREO680_MAX_INTENSITY,
.dft_brightness = TREO680_DEFAULT_INTENSITY,
.pwm_period_ns = TREO680_PERIOD_NS,
.init = treo680_backlight_init,
.notify = treo680_backlight_notify,
.exit = treo680_backlight_exit,
};
static struct platform_device treo680_backlight = {
.name = "pwm-backlight",
.dev = {
.parent = &pxa27x_device_pwm0.dev,
.platform_data = &treo680_backlight_data,
},
};
/******************************************************************************
* IrDA
******************************************************************************/
static void treo680_transceiver_mode(struct device *dev, int mode)
{
gpio_set_value(GPIO_NR_TREO680_IR_EN, mode & IR_OFF);
pxa2xx_transceiver_mode(dev, mode);
}
static int treo680_irda_startup(struct device *dev)
{
int err;
err = gpio_request(GPIO_NR_TREO680_IR_EN, "Ir port disable");
if (err)
goto err1;
err = gpio_direction_output(GPIO_NR_TREO680_IR_EN, 1);
if (err)
goto err2;
return 0;
err2:
dev_err(dev, "treo680_irda: cannot change IR gpio direction\n");
gpio_free(GPIO_NR_TREO680_IR_EN);
err1:
dev_err(dev, "treo680_irda: cannot allocate IR gpio\n");
return err;
}
static void treo680_irda_shutdown(struct device *dev)
{
gpio_free(GPIO_NR_TREO680_AMP_EN);
}
static struct pxaficp_platform_data treo680_ficp_info = {
.transceiver_cap = IR_FIRMODE | IR_SIRMODE | IR_OFF,
.startup = treo680_irda_startup,
.shutdown = treo680_irda_shutdown,
.transceiver_mode = treo680_transceiver_mode,
};
/******************************************************************************
* UDC
******************************************************************************/
static struct pxa2xx_udc_mach_info treo680_udc_info __initdata = {
.gpio_vbus = GPIO_NR_TREO680_USB_DETECT,
.gpio_vbus_inverted = 1,
.gpio_pullup = GPIO_NR_TREO680_USB_PULLUP,
};
/******************************************************************************
* USB host
******************************************************************************/
static struct pxaohci_platform_data treo680_ohci_info = {
.port_mode = PMM_PERPORT_MODE,
.flags = ENABLE_PORT1 | ENABLE_PORT3,
.power_budget = 0,
};
/******************************************************************************
* Power supply
******************************************************************************/
static int power_supply_init(struct device *dev)
{
int ret;
ret = gpio_request(GPIO_NR_TREO680_POWER_DETECT, "CABLE_STATE_AC");
if (ret)
goto err1;
ret = gpio_direction_input(GPIO_NR_TREO680_POWER_DETECT);
if (ret)
goto err2;
return 0;
err2:
gpio_free(GPIO_NR_TREO680_POWER_DETECT);
err1:
return ret;
}
static int treo680_is_ac_online(void)
{
return gpio_get_value(GPIO_NR_TREO680_POWER_DETECT);
}
static void power_supply_exit(struct device *dev)
{
gpio_free(GPIO_NR_TREO680_POWER_DETECT);
}
static char *treo680_supplicants[] = {
"main-battery",
};
static struct pda_power_pdata power_supply_info = {
.init = power_supply_init,
.is_ac_online = treo680_is_ac_online,
.exit = power_supply_exit,
.supplied_to = treo680_supplicants,
.num_supplicants = ARRAY_SIZE(treo680_supplicants),
};
static struct platform_device power_supply = {
.name = "pda-power",
.id = -1,
.dev = {
.platform_data = &power_supply_info,
},
};
/******************************************************************************
* Vibra and LEDs
******************************************************************************/
static struct gpio_led gpio_leds[] = {
{
.name = "treo680:vibra:vibra",
.default_trigger = "none",
.gpio = GPIO_NR_TREO680_VIBRATE_EN,
},
{
.name = "treo680:green:led",
.default_trigger = "mmc0",
.gpio = GPIO_NR_TREO680_GREEN_LED,
},
{
.name = "treo680:keybbl:keybbl",
.default_trigger = "none",
.gpio = GPIO_NR_TREO680_KEYB_BL,
},
};
static struct gpio_led_platform_data gpio_led_info = {
.leds = gpio_leds,
.num_leds = ARRAY_SIZE(gpio_leds),
};
static struct platform_device treo680_leds = {
.name = "leds-gpio",
.id = -1,
.dev = {
.platform_data = &gpio_led_info,
}
};
/******************************************************************************
* Framebuffer
******************************************************************************/
/* TODO: add support for 324x324 */
static struct pxafb_mode_info treo680_lcd_modes[] = {
{
.pixclock = 86538,
.xres = 320,
.yres = 320,
.bpp = 16,
.left_margin = 20,
.right_margin = 8,
.upper_margin = 8,
.lower_margin = 5,
.hsync_len = 4,
.vsync_len = 1,
},
};
static struct pxafb_mach_info treo680_lcd_screen = {
.modes = treo680_lcd_modes,
.num_modes = ARRAY_SIZE(treo680_lcd_modes),
.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
};
/******************************************************************************
* Power management - standby
******************************************************************************/
static void __init treo680_pm_init(void)
{
static u32 resume[] = {
0xe3a00101, /* mov r0, #0x40000000 */
0xe380060f, /* orr r0, r0, #0x00f00000 */
0xe590f008, /* ldr pc, [r0, #0x08] */
};
/* this is where the bootloader jumps */
memcpy(phys_to_virt(TREO680_STR_BASE), resume, sizeof(resume));
}
/******************************************************************************
* Machine init
******************************************************************************/
static struct platform_device *devices[] __initdata = {
&treo680_backlight,
&treo680_leds,
&power_supply,
};
/* setup udc GPIOs initial state */
static void __init treo680_udc_init(void)
{
if (!gpio_request(GPIO_NR_TREO680_USB_PULLUP, "UDC Vbus")) {
gpio_direction_output(GPIO_NR_TREO680_USB_PULLUP, 1);
gpio_free(GPIO_NR_TREO680_USB_PULLUP);
}
}
static void __init treo680_init(void)
{
treo680_pm_init();
pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
pxa_set_keypad_info(&treo680_keypad_platform_data);
set_pxa_fb_info(&treo680_lcd_screen);
pxa_set_mci_info(&treo680_mci_platform_data);
treo680_udc_init();
pxa_set_udc_info(&treo680_udc_info);
pxa_set_ac97_info(&treo680_ac97_pdata);
pxa_set_ficp_info(&treo680_ficp_info);
pxa_set_ohci_info(&treo680_ohci_info);
platform_add_devices(devices, ARRAY_SIZE(devices));
}
MACHINE_START(TREO680, "Palm Treo 680")
.phys_io = TREO680_PHYS_IO_START,
.io_pg_offst = io_p2v(0x40000000),
.boot_params = 0xa0000100,
.map_io = pxa_map_io,
.init_irq = pxa27x_init_irq,
.timer = &pxa_timer,
.init_machine = treo680_init,
MACHINE_END
