/* * 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_batt.h> #include <linux/power_supply.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> #include <mach/audio.h> #include <mach/palmtx.h> #include <mach/mmc.h> #include <mach/pxafb.h> #include <mach/pxa-regs.h> #include <mach/mfp-pxa27x.h> #include <mach/irda.h> #include <mach/pxa27x_keypad.h> #include <mach/udc.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, /* AC97 */ GPIO28_AC97_BITCLK, GPIO29_AC97_SDATA_IN_0, GPIO30_AC97_SDATA_OUT, GPIO31_AC97_SYNC, /* IrDA */ GPIO46_FICP_RXD, GPIO47_FICP_TXD, /* PWM */ GPIO16_PWM0_OUT, /* USB */ GPIO13_GPIO, /* PCMCIA */ GPIO48_nPOE, GPIO49_nPWE, GPIO50_nPIOR, GPIO51_nPIOW, GPIO85_nPCE_1, GPIO54_nPCE_2, GPIO79_PSKTSEL, GPIO55_nPREG, GPIO56_nPWAIT, GPIO57_nIOIS16, }; /****************************************************************************** * SD/MMC card controller ******************************************************************************/ static int palmtx_mci_init(struct device *dev, irq_handler_t palmtx_detect_int, void *data) { int err = 0; /* Setup an interrupt for detecting card insert/remove events */ err = request_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, palmtx_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__); return err; } err = gpio_request(GPIO_NR_PALMTX_SD_POWER, "SD_POWER"); if (err) goto pwr_err; err = gpio_request(GPIO_NR_PALMTX_SD_READONLY, "SD_READONLY"); if (err) goto ro_err; printk(KERN_DEBUG "%s: irq registered\n", __func__); return 0; ro_err: gpio_free(GPIO_NR_PALMTX_SD_POWER); pwr_err: free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data); return err; } static void palmtx_mci_exit(struct device *dev, void *data) { gpio_free(GPIO_NR_PALMTX_SD_READONLY); gpio_free(GPIO_NR_PALMTX_SD_POWER); free_irq(IRQ_GPIO_PALMTX_SD_DETECT_N, data); } static void palmtx_mci_power(struct device *dev, unsigned int vdd) { struct pxamci_platform_data *p_d = dev->platform_data; gpio_set_value(GPIO_NR_PALMTX_SD_POWER, p_d->ocr_mask & (1 << vdd)); } static int palmtx_mci_get_ro(struct device *dev) { return gpio_get_value(GPIO_NR_PALMTX_SD_READONLY); } static struct pxamci_platform_data palmtx_mci_platform_data = { .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, .setpower = palmtx_mci_power, .get_ro = palmtx_mci_get_ro, .init = palmtx_mci_init, .exit = palmtx_mci_exit, }; /****************************************************************************** * GPIO keyboard ******************************************************************************/ static 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 pxa27x_keypad_platform_data palmtx_keypad_platform_data = { .matrix_key_rows = 4, .matrix_key_cols = 3, .matrix_key_map = palmtx_matrix_keys, .matrix_key_map_size = ARRAY_SIZE(palmtx_matrix_keys), .debounce_interval = 30, }; /****************************************************************************** * GPIO keys ******************************************************************************/ 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, }, }; /****************************************************************************** * Backlight ******************************************************************************/ static int palmtx_backlight_init(struct device *dev) { int ret; ret = gpio_request(GPIO_NR_PALMTX_BL_POWER, "BL POWER"); if (ret) goto err; ret = gpio_request(GPIO_NR_PALMTX_LCD_POWER, "LCD POWER"); if (ret) goto err2; return 0; err2: gpio_free(GPIO_NR_PALMTX_BL_POWER); err: return ret; } static int palmtx_backlight_notify(int brightness) { gpio_set_value(GPIO_NR_PALMTX_BL_POWER, brightness); gpio_set_value(GPIO_NR_PALMTX_LCD_POWER, brightness); return brightness; } static void palmtx_backlight_exit(struct device *dev) { gpio_free(GPIO_NR_PALMTX_BL_POWER); gpio_free(GPIO_NR_PALMTX_LCD_POWER); } static struct platform_pwm_backlight_data palmtx_backlight_data = { .pwm_id = 0, .max_brightness = PALMTX_MAX_INTENSITY, .dft_brightness = PALMTX_MAX_INTENSITY, .pwm_period_ns = PALMTX_PERIOD_NS, .init = palmtx_backlight_init, .notify = palmtx_backlight_notify, .exit = palmtx_backlight_exit, }; static struct platform_device palmtx_backlight = { .name = "pwm-backlight", .dev = { .parent = &pxa27x_device_pwm0.dev, .platform_data = &palmtx_backlight_data, }, }; /****************************************************************************** * IrDA ******************************************************************************/ static void palmtx_irda_transceiver_mode(struct device *dev, int mode) { gpio_set_value(GPIO_NR_PALMTX_IR_DISABLE, mode & IR_OFF); pxa2xx_transceiver_mode(dev, mode); } static struct pxaficp_platform_data palmtx_ficp_platform_data = { .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, .transceiver_mode = palmtx_irda_transceiver_mode, }; /****************************************************************************** * UDC ******************************************************************************/ static void palmtx_udc_command(int cmd) { gpio_set_value(GPIO_NR_PALMTX_USB_POWER, !cmd); udelay(50); gpio_set_value(GPIO_NR_PALMTX_USB_PULLUP, !cmd); } static struct pxa2xx_udc_mach_info palmtx_udc_info __initdata = { .gpio_vbus = GPIO_NR_PALMTX_USB_DETECT_N, .gpio_vbus_inverted = 1, .udc_command = palmtx_udc_command, }; /****************************************************************************** * Power supply ******************************************************************************/ static int power_supply_init(struct device *dev) { int ret; ret = gpio_request(GPIO_NR_PALMTX_POWER_DETECT, "CABLE_STATE_AC"); if (ret) goto err_cs_ac; ret = gpio_request(GPIO_NR_PALMTX_USB_DETECT_N, "CABLE_STATE_USB"); if (ret) goto err_cs_usb; return 0; err_cs_usb: gpio_free(GPIO_NR_PALMTX_POWER_DETECT); err_cs_ac: return ret; } static int palmtx_is_ac_online(void) { return gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT); } static int palmtx_is_usb_online(void) { return !gpio_get_value(GPIO_NR_PALMTX_USB_DETECT_N); } static void power_supply_exit(struct device *dev) { gpio_free(GPIO_NR_PALMTX_USB_DETECT_N); gpio_free(GPIO_NR_PALMTX_POWER_DETECT); } static char *palmtx_supplicants[] = { "main-battery", }; static struct pda_power_pdata power_supply_info = { .init = power_supply_init, .is_ac_online = palmtx_is_ac_online, .is_usb_online = palmtx_is_usb_online, .exit = power_supply_exit, .supplied_to = palmtx_supplicants, .num_supplicants = ARRAY_SIZE(palmtx_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 = PALMTX_BAT_MAX_VOLTAGE, .min_voltage = PALMTX_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", }; /****************************************************************************** * Framebuffer ******************************************************************************/ static struct pxafb_mode_info palmtx_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 palmtx_lcd_screen = { .modes = palmtx_lcd_modes, .num_modes = ARRAY_SIZE(palmtx_lcd_modes), .lcd_conn = LCD_COLOR_TFT_16BPP | LCD_PCLK_EDGE_FALL, }; /****************************************************************************** * Machine init ******************************************************************************/ static struct platform_device *devices[] __initdata = { #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) &palmtx_pxa_keys, #endif &palmtx_backlight, &power_supply, }; static struct map_desc palmtx_io_desc[] __initdata = { { .virtual = PALMTX_PCMCIA_VIRT, .pfn = __phys_to_pfn(PALMTX_PCMCIA_PHYS), .length = PALMTX_PCMCIA_SIZE, .type = MT_DEVICE }, }; static void __init palmtx_map_io(void) { pxa_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)); set_pxa_fb_info(&palmtx_lcd_screen); pxa_set_mci_info(&palmtx_mci_platform_data); pxa_set_udc_info(&palmtx_udc_info); pxa_set_ac97_info(NULL); pxa_set_ficp_info(&palmtx_ficp_platform_data); pxa_set_keypad_info(&palmtx_keypad_platform_data); wm97xx_bat_set_pdata(&wm97xx_batt_pdata); platform_add_devices(devices, ARRAY_SIZE(devices)); } MACHINE_START(PALMTX, "Palm T|X") .phys_io = PALMTX_PHYS_IO_START, .io_pg_offst = io_p2v(0x40000000), .boot_params = 0xa0000100, .map_io = palmtx_map_io, .init_irq = pxa27x_init_irq, .timer = &pxa_timer, .init_machine = palmtx_init MACHINE_END