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linux_dsm_epyc7002/arch/arm/mach-pxa/palmtx.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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/*
* Hardware definitions for PalmTX
*
* Author: Marek Vasut <marek.vasut@gmail.com>
*
* Based on work of:
* Alex Osborne <ato@meshy.org>
* Cristiano P. <cristianop@users.sourceforge.net>
* Jan Herman <2hp@seznam.cz>
* Michal Hrusecky
*
* 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/usb/gpio_vbus.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/mtd.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/palmtx.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 <mach/udc.h>
#include <linux/platform_data/asoc-palm27x.h>
#include <mach/palm27x.h>
#include "generic.h"
#include "devices.h"
/******************************************************************************
* Pin configuration
******************************************************************************/
static unsigned long palmtx_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,
/* PWM */
GPIO16_PWM0_OUT,
/* USB */
GPIO13_GPIO, /* usb detect */
GPIO93_GPIO, /* usb power */
/* PCMCIA */
GPIO48_nPOE,
GPIO49_nPWE,
GPIO50_nPIOR,
GPIO51_nPIOW,
GPIO85_nPCE_1,
GPIO54_nPCE_2,
GPIO79_PSKTSEL,
GPIO55_nPREG,
GPIO56_nPWAIT,
GPIO57_nIOIS16,
GPIO94_GPIO, /* wifi power 1 */
GPIO108_GPIO, /* wifi power 2 */
GPIO116_GPIO, /* wifi ready */
/* 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,
/* FFUART */
GPIO34_FFUART_RXD,
GPIO39_FFUART_TXD,
/* NAND */
GPIO15_nCS_1,
GPIO18_RDY,
/* MISC. */
GPIO10_GPIO, /* hotsync button */
GPIO12_GPIO, /* power detect */
GPIO107_GPIO, /* earphone detect */
};
/******************************************************************************
* NOR Flash
******************************************************************************/
#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
static struct mtd_partition palmtx_partitions[] = {
{
.name = "Flash",
.offset = 0x00000000,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct physmap_flash_data palmtx_flash_data[] = {
{
.width = 2, /* bankwidth in bytes */
.parts = palmtx_partitions,
.nr_parts = ARRAY_SIZE(palmtx_partitions)
}
};
static struct resource palmtx_flash_resource = {
.start = PXA_CS0_PHYS,
.end = PXA_CS0_PHYS + SZ_8M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device palmtx_flash = {
.name = "physmap-flash",
.id = 0,
.resource = &palmtx_flash_resource,
.num_resources = 1,
.dev = {
.platform_data = palmtx_flash_data,
},
};
static void __init palmtx_nor_init(void)
{
platform_device_register(&palmtx_flash);
}
#else
static inline void palmtx_nor_init(void) {}
#endif
/******************************************************************************
* GPIO keyboard
******************************************************************************/
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static const unsigned int palmtx_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 matrix_keymap_data palmtx_matrix_keymap_data = {
.keymap = palmtx_matrix_keys,
.keymap_size = ARRAY_SIZE(palmtx_matrix_keys),
};
static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
.matrix_key_rows = 4,
.matrix_key_cols = 3,
.matrix_keymap_data = &palmtx_matrix_keymap_data,
.debounce_interval = 30,
};
static void __init palmtx_kpc_init(void)
{
pxa_set_keypad_info(&palmtx_keypad_platform_data);
}
#else
static inline void palmtx_kpc_init(void) {}
#endif
/******************************************************************************
* GPIO keys
******************************************************************************/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button palmtx_pxa_buttons[] = {
{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
};
static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
.buttons = palmtx_pxa_buttons,
.nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
};
static struct platform_device palmtx_pxa_keys = {
.name = "gpio-keys",
.id = -1,
.dev = {
.platform_data = &palmtx_pxa_keys_data,
},
};
static void __init palmtx_keys_init(void)
{
platform_device_register(&palmtx_pxa_keys);
}
#else
static inline void palmtx_keys_init(void) {}
#endif
/******************************************************************************
* NAND Flash
******************************************************************************/
#if defined(CONFIG_MTD_NAND_PLATFORM) || \
defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
static void palmtx_nand_cmd_ctl(struct mtd_info *mtd, int cmd,
unsigned int ctrl)
{
struct nand_chip *this = mtd->priv;
char __iomem *nandaddr = this->IO_ADDR_W;
if (cmd == NAND_CMD_NONE)
return;
if (ctrl & NAND_CLE)
writeb(cmd, PALMTX_NAND_CLE_VIRT);
else if (ctrl & NAND_ALE)
writeb(cmd, PALMTX_NAND_ALE_VIRT);
else
writeb(cmd, nandaddr);
}
static struct mtd_partition palmtx_partition_info[] = {
[0] = {
.name = "palmtx-0",
.offset = 0,
.size = MTDPART_SIZ_FULL
},
};
struct platform_nand_data palmtx_nand_platdata = {
.chip = {
.nr_chips = 1,
.chip_offset = 0,
.nr_partitions = ARRAY_SIZE(palmtx_partition_info),
.partitions = palmtx_partition_info,
.chip_delay = 20,
},
.ctrl = {
.cmd_ctrl = palmtx_nand_cmd_ctl,
},
};
static struct resource palmtx_nand_resource[] = {
[0] = {
.start = PXA_CS1_PHYS,
.end = PXA_CS1_PHYS + SZ_1M - 1,
.flags = IORESOURCE_MEM,
},
};
static struct platform_device palmtx_nand = {
.name = "gen_nand",
.num_resources = ARRAY_SIZE(palmtx_nand_resource),
.resource = palmtx_nand_resource,
.id = -1,
.dev = {
.platform_data = &palmtx_nand_platdata,
}
};
static void __init palmtx_nand_init(void)
{
platform_device_register(&palmtx_nand);
}
#else
static inline void palmtx_nand_init(void) {}
#endif
/******************************************************************************
* Machine init
******************************************************************************/
static struct map_desc palmtx_io_desc[] __initdata = {
{
.virtual = (unsigned long)PALMTX_PCMCIA_VIRT,
.pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
.length = PALMTX_PCMCIA_SIZE,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)PALMTX_NAND_ALE_VIRT,
.pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
.length = SZ_1M,
.type = MT_DEVICE,
}, {
.virtual = (unsigned long)PALMTX_NAND_CLE_VIRT,
.pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
.length = SZ_1M,
.type = MT_DEVICE,
}
};
static void __init palmtx_map_io(void)
{
pxa27x_map_io();
iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
}
static void __init palmtx_init(void)
{
pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
palm27x_mmc_init(GPIO_NR_PALMTX_SD_DETECT_N, GPIO_NR_PALMTX_SD_READONLY,
GPIO_NR_PALMTX_SD_POWER, 0);
palm27x_pm_init(PALMTX_STR_BASE);
palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
GPIO_NR_PALMTX_USB_PULLUP, 1);
palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
palm27x_pmic_init();
palmtx_kpc_init();
palmtx_keys_init();
palmtx_nor_init();
palmtx_nand_init();
}
MACHINE_START(PALMTX, "Palm T|X")
.atag_offset = 0x100,
.map_io = palmtx_map_io,
.nr_irqs = PXA_NR_IRQS,
.init_irq = pxa27x_init_irq,
.handle_irq = pxa27x_handle_irq,
.init_time = pxa_timer_init,
.init_machine = palmtx_init,
.restart = pxa_restart,
MACHINE_END
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