428 lines
11 KiB
C
428 lines
11 KiB
C
/*
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* Hardware definitions for Palm Tungsten|T5
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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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* Ales Snuparek <snuparek@atlas.cz>
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* Justin Kendrick <twilightsentry@gmail.com>
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* RichardT5 <richard_t5@users.sourceforge.net>
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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_batt.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 <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 <mach/pxa27x.h>
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#include <mach/audio.h>
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#include <mach/palmt5.h>
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#include <mach/mmc.h>
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#include <mach/pxafb.h>
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#include <mach/irda.h>
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#include <mach/pxa27x_keypad.h>
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#include <mach/udc.h>
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#include <mach/palmasoc.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 palmt5_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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/* USB */
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GPIO15_GPIO, /* usb detect */
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GPIO93_GPIO, /* usb power */
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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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/* PWM */
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GPIO16_PWM0_OUT,
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/* FFUART */
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GPIO34_FFUART_RXD,
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GPIO39_FFUART_TXD,
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/* MISC */
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GPIO10_GPIO, /* hotsync button */
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GPIO90_GPIO, /* power detect */
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GPIO107_GPIO, /* earphone detect */
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};
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/******************************************************************************
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* SD/MMC card controller
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******************************************************************************/
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static struct pxamci_platform_data palmt5_mci_platform_data = {
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.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
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.gpio_card_detect = GPIO_NR_PALMT5_SD_DETECT_N,
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.gpio_card_ro = GPIO_NR_PALMT5_SD_READONLY,
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.gpio_power = GPIO_NR_PALMT5_SD_POWER,
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.detect_delay = 20,
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};
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/******************************************************************************
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* GPIO keyboard
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******************************************************************************/
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static unsigned int palmt5_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 pxa27x_keypad_platform_data palmt5_keypad_platform_data = {
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.matrix_key_rows = 4,
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.matrix_key_cols = 3,
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.matrix_key_map = palmt5_matrix_keys,
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.matrix_key_map_size = ARRAY_SIZE(palmt5_matrix_keys),
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.debounce_interval = 30,
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};
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/******************************************************************************
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* GPIO keys
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******************************************************************************/
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static struct gpio_keys_button palmt5_pxa_buttons[] = {
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{KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" },
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};
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static struct gpio_keys_platform_data palmt5_pxa_keys_data = {
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.buttons = palmt5_pxa_buttons,
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.nbuttons = ARRAY_SIZE(palmt5_pxa_buttons),
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};
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static struct platform_device palmt5_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 = &palmt5_pxa_keys_data,
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},
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};
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/******************************************************************************
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* Backlight
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******************************************************************************/
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static int palmt5_backlight_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMT5_BL_POWER, "BL POWER");
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if (ret)
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goto err;
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ret = gpio_direction_output(GPIO_NR_PALMT5_BL_POWER, 0);
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if (ret)
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goto err2;
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ret = gpio_request(GPIO_NR_PALMT5_LCD_POWER, "LCD POWER");
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if (ret)
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goto err2;
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ret = gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER, 0);
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if (ret)
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goto err3;
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return 0;
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err3:
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gpio_free(GPIO_NR_PALMT5_LCD_POWER);
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err2:
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gpio_free(GPIO_NR_PALMT5_BL_POWER);
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err:
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return ret;
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}
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static int palmt5_backlight_notify(struct device *dev, int brightness)
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{
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gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness);
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gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness);
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return brightness;
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}
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static void palmt5_backlight_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMT5_BL_POWER);
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gpio_free(GPIO_NR_PALMT5_LCD_POWER);
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}
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static struct platform_pwm_backlight_data palmt5_backlight_data = {
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.pwm_id = 0,
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.max_brightness = PALMT5_MAX_INTENSITY,
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.dft_brightness = PALMT5_MAX_INTENSITY,
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.pwm_period_ns = PALMT5_PERIOD_NS,
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.init = palmt5_backlight_init,
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.notify = palmt5_backlight_notify,
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.exit = palmt5_backlight_exit,
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};
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static struct platform_device palmt5_backlight = {
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.name = "pwm-backlight",
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.dev = {
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.parent = &pxa27x_device_pwm0.dev,
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.platform_data = &palmt5_backlight_data,
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},
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};
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/******************************************************************************
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* IrDA
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******************************************************************************/
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static struct pxaficp_platform_data palmt5_ficp_platform_data = {
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.gpio_pwdown = GPIO_NR_PALMT5_IR_DISABLE,
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.transceiver_cap = IR_SIRMODE | IR_OFF,
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};
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/******************************************************************************
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* UDC
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******************************************************************************/
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static struct gpio_vbus_mach_info palmt5_udc_info = {
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.gpio_vbus = GPIO_NR_PALMT5_USB_DETECT_N,
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.gpio_vbus_inverted = 1,
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.gpio_pullup = GPIO_NR_PALMT5_USB_PULLUP,
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};
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static struct platform_device palmt5_gpio_vbus = {
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.name = "gpio-vbus",
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.id = -1,
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.dev = {
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.platform_data = &palmt5_udc_info,
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},
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};
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/******************************************************************************
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* Power supply
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******************************************************************************/
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static int power_supply_init(struct device *dev)
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{
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int ret;
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ret = gpio_request(GPIO_NR_PALMT5_POWER_DETECT, "CABLE_STATE_AC");
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if (ret)
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goto err1;
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ret = gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT);
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if (ret)
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goto err2;
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return 0;
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err2:
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gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
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err1:
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return ret;
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}
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static int palmt5_is_ac_online(void)
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{
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return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT);
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}
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static void power_supply_exit(struct device *dev)
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{
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gpio_free(GPIO_NR_PALMT5_POWER_DETECT);
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}
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static char *palmt5_supplicants[] = {
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"main-battery",
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};
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static struct pda_power_pdata power_supply_info = {
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.init = power_supply_init,
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.is_ac_online = palmt5_is_ac_online,
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.exit = power_supply_exit,
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.supplied_to = palmt5_supplicants,
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.num_supplicants = ARRAY_SIZE(palmt5_supplicants),
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};
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static struct platform_device power_supply = {
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.name = "pda-power",
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.id = -1,
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.dev = {
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.platform_data = &power_supply_info,
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},
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};
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/******************************************************************************
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* WM97xx battery
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******************************************************************************/
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static struct wm97xx_batt_info wm97xx_batt_pdata = {
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.batt_aux = WM97XX_AUX_ID3,
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.temp_aux = WM97XX_AUX_ID2,
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.charge_gpio = -1,
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.max_voltage = PALMT5_BAT_MAX_VOLTAGE,
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.min_voltage = PALMT5_BAT_MIN_VOLTAGE,
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.batt_mult = 1000,
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.batt_div = 414,
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.temp_mult = 1,
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.temp_div = 1,
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.batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO,
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.batt_name = "main-batt",
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};
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/******************************************************************************
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* aSoC audio
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******************************************************************************/
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static struct palm27x_asoc_info palmt5_asoc_pdata = {
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.jack_gpio = GPIO_NR_PALMT5_EARPHONE_DETECT,
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};
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static pxa2xx_audio_ops_t palmt5_ac97_pdata = {
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.reset_gpio = 95,
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};
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static struct platform_device palmt5_asoc = {
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.name = "palm27x-asoc",
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.id = -1,
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.dev = {
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.platform_data = &palmt5_asoc_pdata,
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},
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};
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/******************************************************************************
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* Framebuffer
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******************************************************************************/
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static struct pxafb_mode_info palmt5_lcd_modes[] = {
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{
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.pixclock = 57692,
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.xres = 320,
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.yres = 480,
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.bpp = 16,
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.left_margin = 32,
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.right_margin = 1,
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.upper_margin = 7,
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.lower_margin = 1,
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.hsync_len = 4,
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.vsync_len = 1,
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},
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};
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static struct pxafb_mach_info palmt5_lcd_screen = {
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.modes = palmt5_lcd_modes,
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.num_modes = ARRAY_SIZE(palmt5_lcd_modes),
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.lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL,
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};
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/******************************************************************************
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* Power management - standby
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******************************************************************************/
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static void __init palmt5_pm_init(void)
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{
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static u32 resume[] = {
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0xe3a00101, /* mov r0, #0x40000000 */
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0xe380060f, /* orr r0, r0, #0x00f00000 */
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0xe590f008, /* ldr pc, [r0, #0x08] */
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};
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/* copy the bootloader */
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memcpy(phys_to_virt(PALMT5_STR_BASE), resume, sizeof(resume));
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}
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/******************************************************************************
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* Machine init
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******************************************************************************/
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static struct platform_device *devices[] __initdata = {
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#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
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&palmt5_pxa_keys,
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#endif
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&palmt5_backlight,
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&power_supply,
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&palmt5_asoc,
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&palmt5_gpio_vbus,
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};
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/* setup udc GPIOs initial state */
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static void __init palmt5_udc_init(void)
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{
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if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP, "UDC Vbus")) {
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gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP, 1);
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gpio_free(GPIO_NR_PALMT5_USB_PULLUP);
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}
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}
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static void __init palmt5_init(void)
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{
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pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_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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palmt5_pm_init();
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set_pxa_fb_info(&palmt5_lcd_screen);
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pxa_set_mci_info(&palmt5_mci_platform_data);
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palmt5_udc_init();
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pxa_set_ac97_info(&palmt5_ac97_pdata);
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pxa_set_ficp_info(&palmt5_ficp_platform_data);
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pxa_set_keypad_info(&palmt5_keypad_platform_data);
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wm97xx_bat_set_pdata(&wm97xx_batt_pdata);
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platform_add_devices(devices, ARRAY_SIZE(devices));
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}
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MACHINE_START(PALMT5, "Palm Tungsten|T5")
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.phys_io = PALMT5_PHYS_IO_START,
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.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
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.boot_params = 0xa0000100,
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.map_io = pxa_map_io,
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.init_irq = pxa27x_init_irq,
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.timer = &pxa_timer,
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.init_machine = palmt5_init
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MACHINE_END
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