/* * 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 */ GPIO58_LCD_LDD_0, GPIO59_LCD_LDD_1, GPIO60_LCD_LDD_2, GPIO61_LCD_LDD_3, GPIO62_LCD_LDD_4, GPIO63_LCD_LDD_5, GPIO64_LCD_LDD_6, GPIO65_LCD_LDD_7, GPIO66_LCD_LDD_8, GPIO67_LCD_LDD_9, GPIO68_LCD_LDD_10, GPIO69_LCD_LDD_11, GPIO70_LCD_LDD_12, GPIO71_LCD_LDD_13, GPIO72_LCD_LDD_14, GPIO73_LCD_LDD_15, GPIO74_LCD_FCLK, GPIO75_LCD_LCLK, GPIO76_LCD_PCLK, GPIO77_LCD_BIAS, /* 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 int palmt5_mci_init(struct device *dev, irq_handler_t palmt5_detect_int, void *data) { int err = 0; /* Setup an interrupt for detecting card insert/remove events */ err = gpio_request(GPIO_NR_PALMT5_SD_DETECT_N, "SD IRQ"); if (err) goto err; err = gpio_direction_input(GPIO_NR_PALMT5_SD_DETECT_N); if (err) goto err2; err = request_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N), palmt5_detect_int, IRQF_DISABLED | IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, "SD/MMC card detect", data); if (err) { printk(KERN_ERR "%s: cannot request SD/MMC card detect IRQ\n", __func__); goto err2; } err = gpio_request(GPIO_NR_PALMT5_SD_POWER, "SD_POWER"); if (err) goto err3; err = gpio_direction_output(GPIO_NR_PALMT5_SD_POWER, 0); if (err) goto err4; err = gpio_request(GPIO_NR_PALMT5_SD_READONLY, "SD_READONLY"); if (err) goto err4; err = gpio_direction_input(GPIO_NR_PALMT5_SD_READONLY); if (err) goto err5; printk(KERN_DEBUG "%s: irq registered\n", __func__); return 0; err5: gpio_free(GPIO_NR_PALMT5_SD_READONLY); err4: gpio_free(GPIO_NR_PALMT5_SD_POWER); err3: free_irq(gpio_to_irq(GPIO_NR_PALMT5_SD_DETECT_N), data); err2: gpio_free(GPIO_NR_PALMT5_SD_DETECT_N); err: return err; } static void palmt5_mci_exit(struct device *dev, void *data) { gpio_free(GPIO_NR_PALMT5_SD_READONLY); gpio_free(GPIO_NR_PALMT5_SD_POWER); free_irq(IRQ_GPIO_PALMT5_SD_DETECT_N, data); gpio_free(GPIO_NR_PALMT5_SD_DETECT_N); } static void palmt5_mci_power(struct device *dev, unsigned int vdd) { struct pxamci_platform_data *p_d = dev->platform_data; gpio_set_value(GPIO_NR_PALMT5_SD_POWER, p_d->ocr_mask & (1 << vdd)); } static int palmt5_mci_get_ro(struct device *dev) { return gpio_get_value(GPIO_NR_PALMT5_SD_READONLY); } static struct pxamci_platform_data palmt5_mci_platform_data = { .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .setpower = palmt5_mci_power, .get_ro = palmt5_mci_get_ro, .init = palmt5_mci_init, .exit = palmt5_mci_exit, }; /****************************************************************************** * 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(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 int palmt5_irda_startup(struct device *dev) { int err; err = gpio_request(GPIO_NR_PALMT5_IR_DISABLE, "IR DISABLE"); if (err) goto err; err = gpio_direction_output(GPIO_NR_PALMT5_IR_DISABLE, 1); if (err) gpio_free(GPIO_NR_PALMT5_IR_DISABLE); err: return err; } static void palmt5_irda_shutdown(struct device *dev) { gpio_free(GPIO_NR_PALMT5_IR_DISABLE); } static void palmt5_irda_transceiver_mode(struct device *dev, int mode) { gpio_set_value(GPIO_NR_PALMT5_IR_DISABLE, mode & IR_OFF); pxa2xx_transceiver_mode(dev, mode); } static struct pxaficp_platform_data palmt5_ficp_platform_data = { .startup = palmt5_irda_startup, .shutdown = palmt5_irda_shutdown, .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, .transceiver_mode = palmt5_irda_transceiver_mode, }; /****************************************************************************** * 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)); 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