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ubuntu-linux-kernel/arch/arm/mach-pxa/palmtreo.c

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/*
* Hardware definitions for Palm Treo smartphones
*
* currently supported:
* Palm Treo 680 (GSM)
* Palm Centro 685 (GSM)
*
* 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/memblock.h>
#include <linux/pda_power.h>
#include <linux/pwm_backlight.h>
#include <linux/gpio.h>
#include <linux/power_supply.h>
#include <linux/w1-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include "pxa27x.h"
#include "pxa27x-udc.h"
#include <mach/audio.h>
#include "palmtreo.h"
#include <linux/platform_data/mmc-pxamci.h>
#include <linux/platform_data/video-pxafb.h>
#include <linux/platform_data/irda-pxaficp.h>
#include <linux/platform_data/keypad-pxa27x.h>
#include "udc.h"
#include <linux/platform_data/usb-ohci-pxa27x.h>
#include <mach/pxa2xx-regs.h>
#include <linux/platform_data/asoc-palm27x.h>
#include <linux/platform_data/media/camera-pxa.h>
#include "palm27x.h"
#include <sound/pxa2xx-lib.h>
#include "generic.h"
#include "devices.h"
/******************************************************************************
* Pin configuration
******************************************************************************/
static unsigned long treo_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,
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 */
GPIO101_KP_MKIN_1,
GPIO102_KP_MKIN_2,
GPIO97_KP_MKIN_3,
GPIO98_KP_MKIN_4,
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 */
/* 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 */
};
#ifdef CONFIG_MACH_TREO680
static unsigned long treo680_pin_config[] __initdata = {
GPIO33_GPIO, /* SD read only */
/* MATRIX KEYPAD - different wake up source */
GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
GPIO99_KP_MKIN_5,
/* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */
GPIOxx_LCD_16BPP,
GPIO74_LCD_FCLK,
GPIO75_LCD_LCLK,
GPIO76_LCD_PCLK,
};
#endif /* CONFIG_MACH_TREO680 */
#ifdef CONFIG_MACH_CENTRO
static unsigned long centro685_pin_config[] __initdata = {
/* Bluetooth attached to BT UART*/
MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW), /* power: LOW = off */
GPIO42_BTUART_RXD,
GPIO43_BTUART_TXD,
GPIO44_BTUART_CTS,
GPIO45_BTUART_RTS,
/* MATRIX KEYPAD - different wake up source */
GPIO100_KP_MKIN_0,
GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH,
/* LCD */
GPIOxx_LCD_TFT_16BPP,
};
#endif /* CONFIG_MACH_CENTRO */
/******************************************************************************
* GPIO keyboard
******************************************************************************/
#if IS_ENABLED(CONFIG_KEYBOARD_PXA27x)
static const 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 const unsigned int centro_matrix_keys[] = {
KEY(0, 0, KEY_F9), /* Home */
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_F8), /* Red/Off/Power */
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 matrix_keymap_data treo680_matrix_keymap_data = {
.keymap = treo680_matrix_keys,
.keymap_size = ARRAY_SIZE(treo680_matrix_keys),
};
static struct matrix_keymap_data centro_matrix_keymap_data = {
.keymap = centro_matrix_keys,
.keymap_size = ARRAY_SIZE(centro_matrix_keys),
};
static struct pxa27x_keypad_platform_data treo680_keypad_pdata = {
.matrix_key_rows = 8,
.matrix_key_cols = 7,
.matrix_keymap_data = &treo680_matrix_keymap_data,
.direct_key_map = { KEY_CONNECT },
.direct_key_num = 1,
.debounce_interval = 30,
};
static void __init palmtreo_kpc_init(void)
{
static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata;
if (machine_is_centro())
data->matrix_keymap_data = &centro_matrix_keymap_data;
pxa_set_keypad_info(&treo680_keypad_pdata);
}
#else
static inline void palmtreo_kpc_init(void) {}
#endif
/******************************************************************************
* USB host
******************************************************************************/
#if IS_ENABLED(CONFIG_USB_OHCI_HCD)
static struct pxaohci_platform_data treo680_ohci_info = {
.port_mode = PMM_PERPORT_MODE,
.flags = ENABLE_PORT1 | ENABLE_PORT3,
.power_budget = 0,
};
static void __init palmtreo_uhc_init(void)
{
if (machine_is_treo680())
pxa_set_ohci_info(&treo680_ohci_info);
}
#else
static inline void palmtreo_uhc_init(void) {}
#endif
/******************************************************************************
* Vibra and LEDs
******************************************************************************/
static struct gpio_led treo680_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_TREO_GREEN_LED,
},
{
.name = "treo680:white:keybbl",
.default_trigger = "none",
.gpio = GPIO_NR_TREO680_KEYB_BL,
},
};
static struct gpio_led_platform_data treo680_gpio_led_info = {
.leds = treo680_gpio_leds,
.num_leds = ARRAY_SIZE(treo680_gpio_leds),
};
static struct gpio_led centro_gpio_leds[] = {
{
.name = "centro:vibra:vibra",
.default_trigger = "none",
.gpio = GPIO_NR_CENTRO_VIBRATE_EN,
},
{
.name = "centro:green:led",
.default_trigger = "mmc0",
.gpio = GPIO_NR_TREO_GREEN_LED,
},
{
.name = "centro:white:keybbl",
.default_trigger = "none",
.active_low = 1,
.gpio = GPIO_NR_CENTRO_KEYB_BL,
},
};
static struct gpio_led_platform_data centro_gpio_led_info = {
.leds = centro_gpio_leds,
.num_leds = ARRAY_SIZE(centro_gpio_leds),
};
static struct platform_device palmtreo_leds = {
.name = "leds-gpio",
.id = -1,
};
static void __init palmtreo_leds_init(void)
{
if (machine_is_centro())
palmtreo_leds.dev.platform_data = &centro_gpio_led_info;
else if (machine_is_treo680())
palmtreo_leds.dev.platform_data = &treo680_gpio_led_info;
platform_device_register(&palmtreo_leds);
}
/******************************************************************************
* diskonchip docg4 flash
******************************************************************************/
#if defined(CONFIG_MACH_TREO680)
/* REVISIT: does the centro have this device also? */
#if IS_ENABLED(CONFIG_MTD_NAND_DOCG4)
static struct resource docg4_resources[] = {
{
.start = 0x00000000,
.end = 0x00001FFF,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device treo680_docg4_flash = {
.name = "docg4",
.id = -1,
.resource = docg4_resources,
.num_resources = ARRAY_SIZE(docg4_resources),
};
static void __init treo680_docg4_flash_init(void)
{
platform_device_register(&treo680_docg4_flash);
}
#else
static inline void treo680_docg4_flash_init(void) {}
#endif
#endif
/******************************************************************************
* Machine init
******************************************************************************/
static void __init treo_reserve(void)
{
memblock_reserve(0xa0000000, 0x1000);
memblock_reserve(0xa2000000, 0x1000);
}
static void __init palmphone_common_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config));
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
palm27x_pm_init(TREO_STR_BASE);
palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode);
palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1);
palm27x_irda_init(GPIO_NR_TREO_IR_EN);
palm27x_ac97_init(-1, -1, -1, 95);
palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1);
palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1);
palm27x_pmic_init();
palmtreo_kpc_init();
palmtreo_uhc_init();
palmtreo_leds_init();
}
#ifdef CONFIG_MACH_TREO680
void __init treo680_gpio_init(void)
{
unsigned int gpio;
/* drive all three lcd gpios high initially */
const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT;
/*
* LCD GPIO initialization...
*/
/*
* This is likely the power to the lcd. Toggling it low/high appears to
* turn the lcd off/on. Can be toggled after lcd is initialized without
* any apparent adverse effects to the lcd operation. Note that this
* gpio line is used by the lcd controller as the L_BIAS signal, but
* treo680 configures it as gpio.
*/
gpio = GPIO_NR_TREO680_LCD_POWER;
if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0)
goto fail;
/*
* These two are called "enables", for lack of a better understanding.
* If either of these are toggled after the lcd is initialized, the
* image becomes degraded. N.B. The IPL shipped with the treo
* configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high. If
* the IPL is ever reprogrammed, this initialization may be need to be
* revisited.
*/
gpio = GPIO_NR_TREO680_LCD_EN;
if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0)
goto fail;
gpio = GPIO_NR_TREO680_LCD_EN_N;
if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0)
goto fail;
/* driving this low turns LCD on */
gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0);
return;
fail:
pr_err("gpio %d initialization failed\n", gpio);
gpio_free(GPIO_NR_TREO680_LCD_POWER);
gpio_free(GPIO_NR_TREO680_LCD_EN);
gpio_free(GPIO_NR_TREO680_LCD_EN_N);
}
static void __init treo680_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config));
palmphone_common_init();
treo680_gpio_init();
palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, GPIO_NR_TREO680_SD_READONLY,
GPIO_NR_TREO680_SD_POWER, 0);
treo680_docg4_flash_init();
}
#endif
#ifdef CONFIG_MACH_CENTRO
static void __init centro_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config));
palmphone_common_init();
palm27x_mmc_init(GPIO_NR_TREO_SD_DETECT_N, -1,
GPIO_NR_CENTRO_SD_POWER, 1);
}
#endif
#ifdef CONFIG_MACH_TREO680
MACHINE_START(TREO680, "Palm Treo 680")
.atag_offset = 0x100,
.map_io = pxa27x_map_io,
.reserve = treo_reserve,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa27x_init_irq,
.handle_irq = pxa27x_handle_irq,
.init_time = pxa_timer_init,
.init_machine = treo680_init,
.restart = pxa_restart,
MACHINE_END
#endif
#ifdef CONFIG_MACH_CENTRO
MACHINE_START(CENTRO, "Palm Centro 685")
.atag_offset = 0x100,
.map_io = pxa27x_map_io,
.reserve = treo_reserve,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa27x_init_irq,
.handle_irq = pxa27x_handle_irq,
.init_time = pxa_timer_init,
.init_machine = centro_init,
.restart = pxa_restart,
MACHINE_END
#endif
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