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linux-pinenote/arch/arm/mach-pxa/palmld.c
Chao Xie 0a085a9482 Input: pxa27x-keypad - use matrix_keymap for matrix keys 
pxa27x-keypad includes matrix keys. Make use of matrix_keymap
for the matrix keys.

Signed-off-by: Chao Xie <chao.xie@marvell.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2013-06-18 22:56:51 -07:00

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8.7 KiB
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/*
* 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.h>
#include <linux/power_supply.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 <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 <linux/platform_data/asoc-palm27x.h>
#include <mach/palm27x.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 */
GPIOxx_LCD_TFT_16BPP,
/* 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
******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
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,
},
};
static void __init palmld_nor_init(void)
{
platform_device_register(&palmld_flash);
}
#else
static inline void palmld_nor_init(void) {}
#endif
/******************************************************************************
* GPIO keyboard
******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static const 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 matrix_keymap_data palmld_matrix_keymap_data = {
.keymap = palmld_matrix_keys,
.keymap_size = ARRAY_SIZE(palmld_matrix_keys),
};
static struct pxa27x_keypad_platform_data palmld_keypad_platform_data = {
.matrix_key_rows = 4,
.matrix_key_cols = 3,
.matrix_keymap_data = &palmld_matrix_keymap_data,
.debounce_interval = 30,
};
static void __init palmld_kpc_init(void)
{
pxa_set_keypad_info(&palmld_keypad_platform_data);
}
#else
static inline void palmld_kpc_init(void) {}
#endif
/******************************************************************************
* GPIO keys
******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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,
},
};
static void __init palmld_keys_init(void)
{
platform_device_register(&palmld_pxa_keys);
}
#else
static inline void palmld_keys_init(void) {}
#endif
/******************************************************************************
* LEDs
******************************************************************************/
#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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,
}
};
static void __init palmld_leds_init(void)
{
platform_device_register(&palmld_leds);
}
#else
static inline void palmld_leds_init(void) {}
#endif
/******************************************************************************
* HDD
******************************************************************************/
#if defined(CONFIG_PATA_PALMLD) || defined(CONFIG_PATA_PALMLD_MODULE)
static struct platform_device palmld_ide_device = {
.name = "pata_palmld",
.id = -1,
};
static void __init palmld_ide_init(void)
{
platform_device_register(&palmld_ide_device);
}
#else
static inline void palmld_ide_init(void) {}
#endif
/******************************************************************************
* Machine init
******************************************************************************/
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)
{
pxa27x_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);
palm27x_mmc_init(GPIO_NR_PALMLD_SD_DETECT_N, GPIO_NR_PALMLD_SD_READONLY,
GPIO_NR_PALMLD_SD_POWER, 0);
palm27x_pm_init(PALMLD_STR_BASE);
palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
palm27x_irda_init(GPIO_NR_PALMLD_IR_DISABLE);
palm27x_ac97_init(PALMLD_BAT_MIN_VOLTAGE, PALMLD_BAT_MAX_VOLTAGE,
GPIO_NR_PALMLD_EARPHONE_DETECT, 95);
palm27x_pwm_init(GPIO_NR_PALMLD_BL_POWER, GPIO_NR_PALMLD_LCD_POWER);
palm27x_power_init(GPIO_NR_PALMLD_POWER_DETECT,
GPIO_NR_PALMLD_USB_DETECT_N);
palm27x_pmic_init();
palmld_kpc_init();
palmld_keys_init();
palmld_nor_init();
palmld_leds_init();
palmld_ide_init();
}
MACHINE_START(PALMLD, "Palm LifeDrive")
.atag_offset = 0x100,
.map_io = palmld_map_io,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa27x_init_irq,
.handle_irq = pxa27x_handle_irq,
.init_time = pxa_timer_init,
.init_machine = palmld_init,
.restart = pxa_restart,
MACHINE_END
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