| /* |
| * Hardware definitions for Palm Tungsten|T5 |
| * |
| * Author: Marek Vasut <marek.vasut@gmail.com> |
| * |
| * Based on work of: |
| * Ales Snuparek <snuparek@atlas.cz> |
| * Justin Kendrick <twilightsentry@gmail.com> |
| * RichardT5 <richard_t5@users.sourceforge.net> |
| * |
| * 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_batt.h> |
| #include <linux/power_supply.h> |
| #include <linux/usb/gpio_vbus.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/palmt5.h> |
| #include <mach/mmc.h> |
| #include <mach/pxafb.h> |
| #include <mach/irda.h> |
| #include <mach/pxa27x_keypad.h> |
| #include <mach/udc.h> |
| #include <mach/palmasoc.h> |
| |
| #include "generic.h" |
| #include "devices.h" |
| |
| /****************************************************************************** |
| * Pin configuration |
| ******************************************************************************/ |
| static unsigned long palmt5_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, |
| |
| /* USB */ |
| GPIO15_GPIO, /* usb detect */ |
| GPIO93_GPIO, /* usb power */ |
| |
| /* 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, |
| |
| /* FFUART */ |
| GPIO34_FFUART_RXD, |
| GPIO39_FFUART_TXD, |
| |
| /* MISC */ |
| GPIO10_GPIO, /* hotsync button */ |
| GPIO90_GPIO, /* power detect */ |
| GPIO107_GPIO, /* earphone detect */ |
| }; |
| |
| /****************************************************************************** |
| * SD/MMC card controller |
| ******************************************************************************/ |
| static struct pxamci_platform_data palmt5_mci_platform_data = { |
| .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
| .gpio_card_detect = GPIO_NR_PALMT5_SD_DETECT_N, |
| .gpio_card_ro = GPIO_NR_PALMT5_SD_READONLY, |
| .gpio_power = GPIO_NR_PALMT5_SD_POWER, |
| .detect_delay = 20, |
| }; |
| |
| /****************************************************************************** |
| * GPIO keyboard |
| ******************************************************************************/ |
| static unsigned int palmt5_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 pxa27x_keypad_platform_data palmt5_keypad_platform_data = { |
| .matrix_key_rows = 4, |
| .matrix_key_cols = 3, |
| .matrix_key_map = palmt5_matrix_keys, |
| .matrix_key_map_size = ARRAY_SIZE(palmt5_matrix_keys), |
| |
| .debounce_interval = 30, |
| }; |
| |
| /****************************************************************************** |
| * GPIO keys |
| ******************************************************************************/ |
| static struct gpio_keys_button palmt5_pxa_buttons[] = { |
| {KEY_F8, GPIO_NR_PALMT5_HOTSYNC_BUTTON_N, 1, "HotSync Button" }, |
| }; |
| |
| static struct gpio_keys_platform_data palmt5_pxa_keys_data = { |
| .buttons = palmt5_pxa_buttons, |
| .nbuttons = ARRAY_SIZE(palmt5_pxa_buttons), |
| }; |
| |
| static struct platform_device palmt5_pxa_keys = { |
| .name = "gpio-keys", |
| .id = -1, |
| .dev = { |
| .platform_data = &palmt5_pxa_keys_data, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * Backlight |
| ******************************************************************************/ |
| static int palmt5_backlight_init(struct device *dev) |
| { |
| int ret; |
| |
| ret = gpio_request(GPIO_NR_PALMT5_BL_POWER, "BL POWER"); |
| if (ret) |
| goto err; |
| ret = gpio_direction_output(GPIO_NR_PALMT5_BL_POWER, 0); |
| if (ret) |
| goto err2; |
| ret = gpio_request(GPIO_NR_PALMT5_LCD_POWER, "LCD POWER"); |
| if (ret) |
| goto err2; |
| ret = gpio_direction_output(GPIO_NR_PALMT5_LCD_POWER, 0); |
| if (ret) |
| goto err3; |
| |
| return 0; |
| err3: |
| gpio_free(GPIO_NR_PALMT5_LCD_POWER); |
| err2: |
| gpio_free(GPIO_NR_PALMT5_BL_POWER); |
| err: |
| return ret; |
| } |
| |
| static int palmt5_backlight_notify(struct device *dev, int brightness) |
| { |
| gpio_set_value(GPIO_NR_PALMT5_BL_POWER, brightness); |
| gpio_set_value(GPIO_NR_PALMT5_LCD_POWER, brightness); |
| return brightness; |
| } |
| |
| static void palmt5_backlight_exit(struct device *dev) |
| { |
| gpio_free(GPIO_NR_PALMT5_BL_POWER); |
| gpio_free(GPIO_NR_PALMT5_LCD_POWER); |
| } |
| |
| static struct platform_pwm_backlight_data palmt5_backlight_data = { |
| .pwm_id = 0, |
| .max_brightness = PALMT5_MAX_INTENSITY, |
| .dft_brightness = PALMT5_MAX_INTENSITY, |
| .pwm_period_ns = PALMT5_PERIOD_NS, |
| .init = palmt5_backlight_init, |
| .notify = palmt5_backlight_notify, |
| .exit = palmt5_backlight_exit, |
| }; |
| |
| static struct platform_device palmt5_backlight = { |
| .name = "pwm-backlight", |
| .dev = { |
| .parent = &pxa27x_device_pwm0.dev, |
| .platform_data = &palmt5_backlight_data, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * IrDA |
| ******************************************************************************/ |
| static struct pxaficp_platform_data palmt5_ficp_platform_data = { |
| .gpio_pwdown = GPIO_NR_PALMT5_IR_DISABLE, |
| .transceiver_cap = IR_SIRMODE | IR_OFF, |
| }; |
| |
| /****************************************************************************** |
| * UDC |
| ******************************************************************************/ |
| static struct gpio_vbus_mach_info palmt5_udc_info = { |
| .gpio_vbus = GPIO_NR_PALMT5_USB_DETECT_N, |
| .gpio_vbus_inverted = 1, |
| .gpio_pullup = GPIO_NR_PALMT5_USB_PULLUP, |
| }; |
| |
| static struct platform_device palmt5_gpio_vbus = { |
| .name = "gpio-vbus", |
| .id = -1, |
| .dev = { |
| .platform_data = &palmt5_udc_info, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * Power supply |
| ******************************************************************************/ |
| static int power_supply_init(struct device *dev) |
| { |
| int ret; |
| |
| ret = gpio_request(GPIO_NR_PALMT5_POWER_DETECT, "CABLE_STATE_AC"); |
| if (ret) |
| goto err1; |
| ret = gpio_direction_input(GPIO_NR_PALMT5_POWER_DETECT); |
| if (ret) |
| goto err2; |
| |
| return 0; |
| err2: |
| gpio_free(GPIO_NR_PALMT5_POWER_DETECT); |
| err1: |
| return ret; |
| } |
| |
| static int palmt5_is_ac_online(void) |
| { |
| return gpio_get_value(GPIO_NR_PALMT5_POWER_DETECT); |
| } |
| |
| static void power_supply_exit(struct device *dev) |
| { |
| gpio_free(GPIO_NR_PALMT5_POWER_DETECT); |
| } |
| |
| static char *palmt5_supplicants[] = { |
| "main-battery", |
| }; |
| |
| static struct pda_power_pdata power_supply_info = { |
| .init = power_supply_init, |
| .is_ac_online = palmt5_is_ac_online, |
| .exit = power_supply_exit, |
| .supplied_to = palmt5_supplicants, |
| .num_supplicants = ARRAY_SIZE(palmt5_supplicants), |
| }; |
| |
| static struct platform_device power_supply = { |
| .name = "pda-power", |
| .id = -1, |
| .dev = { |
| .platform_data = &power_supply_info, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * WM97xx battery |
| ******************************************************************************/ |
| static struct wm97xx_batt_info wm97xx_batt_pdata = { |
| .batt_aux = WM97XX_AUX_ID3, |
| .temp_aux = WM97XX_AUX_ID2, |
| .charge_gpio = -1, |
| .max_voltage = PALMT5_BAT_MAX_VOLTAGE, |
| .min_voltage = PALMT5_BAT_MIN_VOLTAGE, |
| .batt_mult = 1000, |
| .batt_div = 414, |
| .temp_mult = 1, |
| .temp_div = 1, |
| .batt_tech = POWER_SUPPLY_TECHNOLOGY_LIPO, |
| .batt_name = "main-batt", |
| }; |
| |
| /****************************************************************************** |
| * aSoC audio |
| ******************************************************************************/ |
| static struct palm27x_asoc_info palmt5_asoc_pdata = { |
| .jack_gpio = GPIO_NR_PALMT5_EARPHONE_DETECT, |
| }; |
| |
| static pxa2xx_audio_ops_t palmt5_ac97_pdata = { |
| .reset_gpio = 95, |
| }; |
| |
| static struct platform_device palmt5_asoc = { |
| .name = "palm27x-asoc", |
| .id = -1, |
| .dev = { |
| .platform_data = &palmt5_asoc_pdata, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * Framebuffer |
| ******************************************************************************/ |
| static struct pxafb_mode_info palmt5_lcd_modes[] = { |
| { |
| .pixclock = 57692, |
| .xres = 320, |
| .yres = 480, |
| .bpp = 16, |
| |
| .left_margin = 32, |
| .right_margin = 1, |
| .upper_margin = 7, |
| .lower_margin = 1, |
| |
| .hsync_len = 4, |
| .vsync_len = 1, |
| }, |
| }; |
| |
| static struct pxafb_mach_info palmt5_lcd_screen = { |
| .modes = palmt5_lcd_modes, |
| .num_modes = ARRAY_SIZE(palmt5_lcd_modes), |
| .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, |
| }; |
| |
| /****************************************************************************** |
| * Power management - standby |
| ******************************************************************************/ |
| static void __init palmt5_pm_init(void) |
| { |
| static u32 resume[] = { |
| 0xe3a00101, /* mov r0, #0x40000000 */ |
| 0xe380060f, /* orr r0, r0, #0x00f00000 */ |
| 0xe590f008, /* ldr pc, [r0, #0x08] */ |
| }; |
| |
| /* copy the bootloader */ |
| memcpy(phys_to_virt(PALMT5_STR_BASE), resume, sizeof(resume)); |
| } |
| |
| /****************************************************************************** |
| * Machine init |
| ******************************************************************************/ |
| static struct platform_device *devices[] __initdata = { |
| #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) |
| &palmt5_pxa_keys, |
| #endif |
| &palmt5_backlight, |
| &power_supply, |
| &palmt5_asoc, |
| &palmt5_gpio_vbus, |
| }; |
| |
| /* setup udc GPIOs initial state */ |
| static void __init palmt5_udc_init(void) |
| { |
| if (!gpio_request(GPIO_NR_PALMT5_USB_PULLUP, "UDC Vbus")) { |
| gpio_direction_output(GPIO_NR_PALMT5_USB_PULLUP, 1); |
| gpio_free(GPIO_NR_PALMT5_USB_PULLUP); |
| } |
| } |
| |
| static void __init palmt5_init(void) |
| { |
| pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config)); |
| |
| pxa_set_ffuart_info(NULL); |
| pxa_set_btuart_info(NULL); |
| pxa_set_stuart_info(NULL); |
| |
| palmt5_pm_init(); |
| set_pxa_fb_info(&palmt5_lcd_screen); |
| pxa_set_mci_info(&palmt5_mci_platform_data); |
| palmt5_udc_init(); |
| pxa_set_ac97_info(&palmt5_ac97_pdata); |
| pxa_set_ficp_info(&palmt5_ficp_platform_data); |
| pxa_set_keypad_info(&palmt5_keypad_platform_data); |
| wm97xx_bat_set_pdata(&wm97xx_batt_pdata); |
| |
| platform_add_devices(devices, ARRAY_SIZE(devices)); |
| } |
| |
| MACHINE_START(PALMT5, "Palm Tungsten|T5") |
| .phys_io = PALMT5_PHYS_IO_START, |
| .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| .boot_params = 0xa0000100, |
| .map_io = pxa_map_io, |
| .init_irq = pxa27x_init_irq, |
| .timer = &pxa_timer, |
| .init_machine = palmt5_init |
| MACHINE_END |
