387 lines
9.3 KiB
C
387 lines
9.3 KiB
C
/*
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* Hardware definitions for PalmTX
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*
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* Author: Marek Vasut <marek.vasut@gmail.com>
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*
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* Based on work of:
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* Alex Osborne <ato@meshy.org>
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* Cristiano P. <cristianop@users.sourceforge.net>
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* Jan Herman <2hp@seznam.cz>
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* Michal Hrusecky
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* (find more info at www.hackndev.com)
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*
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*/
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/irq.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/pda_power.h>
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#include <linux/pwm_backlight.h>
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#include <linux/gpio.h>
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#include <linux/wm97xx.h>
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#include <linux/power_supply.h>
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#include <linux/usb/gpio_vbus.h>
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#include <linux/mtd/platnand.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/physmap.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/map.h>
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#include "pxa27x.h"
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#include <mach/audio.h>
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#include <mach/palmtx.h>
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#include <linux/platform_data/mmc-pxamci.h>
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#include <linux/platform_data/video-pxafb.h>
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#include <linux/platform_data/irda-pxaficp.h>
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#include <linux/platform_data/keypad-pxa27x.h>
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#include "udc.h"
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#include <linux/platform_data/asoc-palm27x.h>
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#include "palm27x.h"
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#include "generic.h"
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#include "devices.h"
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/******************************************************************************
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* Pin configuration
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******************************************************************************/
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static unsigned long palmtx_pin_config[] __initdata = {
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/* MMC */
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GPIO32_MMC_CLK,
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GPIO92_MMC_DAT_0,
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GPIO109_MMC_DAT_1,
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GPIO110_MMC_DAT_2,
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GPIO111_MMC_DAT_3,
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GPIO112_MMC_CMD,
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GPIO14_GPIO, /* SD detect */
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GPIO114_GPIO, /* SD power */
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GPIO115_GPIO, /* SD r/o switch */
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/* AC97 */
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GPIO28_AC97_BITCLK,
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GPIO29_AC97_SDATA_IN_0,
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GPIO30_AC97_SDATA_OUT,
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GPIO31_AC97_SYNC,
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GPIO89_AC97_SYSCLK,
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GPIO95_AC97_nRESET,
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/* IrDA */
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GPIO40_GPIO, /* ir disable */
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GPIO46_FICP_RXD,
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GPIO47_FICP_TXD,
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/* PWM */
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GPIO16_PWM0_OUT,
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/* USB */
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GPIO13_GPIO, /* usb detect */
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GPIO93_GPIO, /* usb power */
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/* PCMCIA */
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GPIO48_nPOE,
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GPIO49_nPWE,
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GPIO50_nPIOR,
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GPIO51_nPIOW,
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GPIO85_nPCE_1,
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GPIO54_nPCE_2,
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GPIO79_PSKTSEL,
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GPIO55_nPREG,
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GPIO56_nPWAIT,
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GPIO57_nIOIS16,
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GPIO94_GPIO, /* wifi power 1 */
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GPIO108_GPIO, /* wifi power 2 */
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GPIO116_GPIO, /* wifi ready */
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/* MATRIX KEYPAD */
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH,
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GPIO101_KP_MKIN_1 | WAKEUP_ON_LEVEL_HIGH,
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GPIO102_KP_MKIN_2 | WAKEUP_ON_LEVEL_HIGH,
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GPIO97_KP_MKIN_3 | WAKEUP_ON_LEVEL_HIGH,
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GPIO103_KP_MKOUT_0,
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GPIO104_KP_MKOUT_1,
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GPIO105_KP_MKOUT_2,
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/* LCD */
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GPIOxx_LCD_TFT_16BPP,
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/* FFUART */
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GPIO34_FFUART_RXD,
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GPIO39_FFUART_TXD,
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/* NAND */
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GPIO15_nCS_1,
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GPIO18_RDY,
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/* MISC. */
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GPIO10_GPIO, /* hotsync button */
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GPIO12_GPIO, /* power detect */
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GPIO107_GPIO, /* earphone detect */
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};
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/******************************************************************************
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* NOR Flash
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******************************************************************************/
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#if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
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static struct mtd_partition palmtx_partitions[] = {
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{
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.name = "Flash",
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.offset = 0x00000000,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct physmap_flash_data palmtx_flash_data[] = {
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{
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.width = 2, /* bankwidth in bytes */
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.parts = palmtx_partitions,
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.nr_parts = ARRAY_SIZE(palmtx_partitions)
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}
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};
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static struct resource palmtx_flash_resource = {
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.start = PXA_CS0_PHYS,
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.end = PXA_CS0_PHYS + SZ_8M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device palmtx_flash = {
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.name = "physmap-flash",
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.id = 0,
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.resource = &palmtx_flash_resource,
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.num_resources = 1,
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.dev = {
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.platform_data = palmtx_flash_data,
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},
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};
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static void __init palmtx_nor_init(void)
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{
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platform_device_register(&palmtx_flash);
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}
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#else
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static inline void palmtx_nor_init(void) {}
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#endif
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/******************************************************************************
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* GPIO keyboard
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******************************************************************************/
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#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
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static const unsigned int palmtx_matrix_keys[] = {
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KEY(0, 0, KEY_POWER),
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KEY(0, 1, KEY_F1),
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KEY(0, 2, KEY_ENTER),
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KEY(1, 0, KEY_F2),
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KEY(1, 1, KEY_F3),
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KEY(1, 2, KEY_F4),
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KEY(2, 0, KEY_UP),
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KEY(2, 2, KEY_DOWN),
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KEY(3, 0, KEY_RIGHT),
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KEY(3, 2, KEY_LEFT),
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};
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static struct matrix_keymap_data palmtx_matrix_keymap_data = {
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.keymap = palmtx_matrix_keys,
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.keymap_size = ARRAY_SIZE(palmtx_matrix_keys),
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};
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static struct pxa27x_keypad_platform_data palmtx_keypad_platform_data = {
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.matrix_key_rows = 4,
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.matrix_key_cols = 3,
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.matrix_keymap_data = &palmtx_matrix_keymap_data,
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.debounce_interval = 30,
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};
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static void __init palmtx_kpc_init(void)
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{
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pxa_set_keypad_info(&palmtx_keypad_platform_data);
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}
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#else
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static inline void palmtx_kpc_init(void) {}
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#endif
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/******************************************************************************
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* GPIO keys
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******************************************************************************/
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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static struct gpio_keys_button palmtx_pxa_buttons[] = {
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{KEY_F8, GPIO_NR_PALMTX_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
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};
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static struct gpio_keys_platform_data palmtx_pxa_keys_data = {
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.buttons = palmtx_pxa_buttons,
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.nbuttons = ARRAY_SIZE(palmtx_pxa_buttons),
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};
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static struct platform_device palmtx_pxa_keys = {
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.name = "gpio-keys",
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.id = -1,
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.dev = {
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.platform_data = &palmtx_pxa_keys_data,
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},
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};
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static void __init palmtx_keys_init(void)
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{
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platform_device_register(&palmtx_pxa_keys);
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}
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#else
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static inline void palmtx_keys_init(void) {}
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#endif
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/******************************************************************************
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* NAND Flash
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******************************************************************************/
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#if defined(CONFIG_MTD_NAND_PLATFORM) || \
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defined(CONFIG_MTD_NAND_PLATFORM_MODULE)
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static void palmtx_nand_cmd_ctl(struct nand_chip *this, int cmd,
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unsigned int ctrl)
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{
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char __iomem *nandaddr = this->legacy.IO_ADDR_W;
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if (cmd == NAND_CMD_NONE)
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return;
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if (ctrl & NAND_CLE)
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writeb(cmd, PALMTX_NAND_CLE_VIRT);
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else if (ctrl & NAND_ALE)
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writeb(cmd, PALMTX_NAND_ALE_VIRT);
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else
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writeb(cmd, nandaddr);
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}
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static struct mtd_partition palmtx_partition_info[] = {
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[0] = {
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.name = "palmtx-0",
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.offset = 0,
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.size = MTDPART_SIZ_FULL
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},
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};
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struct platform_nand_data palmtx_nand_platdata = {
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.chip = {
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.nr_chips = 1,
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.chip_offset = 0,
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.nr_partitions = ARRAY_SIZE(palmtx_partition_info),
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.partitions = palmtx_partition_info,
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.chip_delay = 20,
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},
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.ctrl = {
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.cmd_ctrl = palmtx_nand_cmd_ctl,
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},
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};
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static struct resource palmtx_nand_resource[] = {
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[0] = {
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.start = PXA_CS1_PHYS,
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.end = PXA_CS1_PHYS + SZ_1M - 1,
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.flags = IORESOURCE_MEM,
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},
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};
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static struct platform_device palmtx_nand = {
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.name = "gen_nand",
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.num_resources = ARRAY_SIZE(palmtx_nand_resource),
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.resource = palmtx_nand_resource,
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.id = -1,
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.dev = {
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.platform_data = &palmtx_nand_platdata,
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}
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};
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static void __init palmtx_nand_init(void)
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{
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platform_device_register(&palmtx_nand);
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}
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#else
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static inline void palmtx_nand_init(void) {}
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#endif
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/******************************************************************************
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* Machine init
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******************************************************************************/
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static struct map_desc palmtx_io_desc[] __initdata = {
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{
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.virtual = (unsigned long)PALMTX_PCMCIA_VIRT,
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.pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS),
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.length = PALMTX_PCMCIA_SIZE,
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.type = MT_DEVICE,
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}, {
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.virtual = (unsigned long)PALMTX_NAND_ALE_VIRT,
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.pfn = __phys_to_pfn(PALMTX_NAND_ALE_PHYS),
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.length = SZ_1M,
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.type = MT_DEVICE,
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}, {
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.virtual = (unsigned long)PALMTX_NAND_CLE_VIRT,
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.pfn = __phys_to_pfn(PALMTX_NAND_CLE_PHYS),
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.length = SZ_1M,
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.type = MT_DEVICE,
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}
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};
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static void __init palmtx_map_io(void)
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{
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pxa27x_map_io();
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iotable_init(palmtx_io_desc, ARRAY_SIZE(palmtx_io_desc));
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}
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static struct gpiod_lookup_table palmtx_mci_gpio_table = {
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.dev_id = "pxa2xx-mci.0",
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.table = {
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_DETECT_N,
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"cd", GPIO_ACTIVE_LOW),
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_READONLY,
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"wp", GPIO_ACTIVE_LOW),
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMTX_SD_POWER,
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"power", GPIO_ACTIVE_HIGH),
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{ },
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},
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};
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static void __init palmtx_init(void)
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{
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pxa2xx_mfp_config(ARRAY_AND_SIZE(palmtx_pin_config));
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pxa_set_ffuart_info(NULL);
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pxa_set_btuart_info(NULL);
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pxa_set_stuart_info(NULL);
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palm27x_mmc_init(&palmtx_mci_gpio_table);
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palm27x_pm_init(PALMTX_STR_BASE);
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palm27x_lcd_init(-1, &palm_320x480_lcd_mode);
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palm27x_udc_init(GPIO_NR_PALMTX_USB_DETECT_N,
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GPIO_NR_PALMTX_USB_PULLUP, 1);
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palm27x_irda_init(GPIO_NR_PALMTX_IR_DISABLE);
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palm27x_ac97_init(PALMTX_BAT_MIN_VOLTAGE, PALMTX_BAT_MAX_VOLTAGE,
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GPIO_NR_PALMTX_EARPHONE_DETECT, 95);
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palm27x_pwm_init(GPIO_NR_PALMTX_BL_POWER, GPIO_NR_PALMTX_LCD_POWER);
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palm27x_power_init(GPIO_NR_PALMTX_POWER_DETECT, -1);
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palm27x_pmic_init();
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palmtx_kpc_init();
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palmtx_keys_init();
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palmtx_nor_init();
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palmtx_nand_init();
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}
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MACHINE_START(PALMTX, "Palm T|X")
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.atag_offset = 0x100,
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.map_io = palmtx_map_io,
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.nr_irqs = PXA_NR_IRQS,
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.init_irq = pxa27x_init_irq,
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.handle_irq = pxa27x_handle_irq,
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.init_time = pxa_timer_init,
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.init_machine = palmtx_init,
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.restart = pxa_restart,
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MACHINE_END
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