| /* |
| * Hardware definitions for Palm Tungsten|E2 |
| * |
| * Author: |
| * Carlos Eduardo Medaglia Dyonisio <cadu@nerdfeliz.com> |
| * |
| * Rewrite for mainline: |
| * Marek Vasut <marek.vasut@gmail.com> |
| * |
| * 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/audio.h> |
| #include <mach/palmte2.h> |
| #include <mach/mmc.h> |
| #include <mach/pxafb.h> |
| #include <mach/mfp-pxa25x.h> |
| #include <mach/irda.h> |
| #include <mach/udc.h> |
| #include <mach/palmasoc.h> |
| |
| #include "generic.h" |
| #include "devices.h" |
| |
| /****************************************************************************** |
| * Pin configuration |
| ******************************************************************************/ |
| static unsigned long palmte2_pin_config[] __initdata = { |
| /* MMC */ |
| GPIO6_MMC_CLK, |
| GPIO8_MMC_CS0, |
| GPIO10_GPIO, /* SD detect */ |
| GPIO55_GPIO, /* SD power */ |
| GPIO51_GPIO, /* SD r/o switch */ |
| |
| /* AC97 */ |
| GPIO28_AC97_BITCLK, |
| GPIO29_AC97_SDATA_IN_0, |
| GPIO30_AC97_SDATA_OUT, |
| GPIO31_AC97_SYNC, |
| |
| /* PWM */ |
| GPIO16_PWM0_OUT, |
| |
| /* USB */ |
| GPIO15_GPIO, /* usb detect */ |
| GPIO53_GPIO, /* usb power */ |
| |
| /* IrDA */ |
| GPIO48_GPIO, /* ir disable */ |
| GPIO46_FICP_RXD, |
| GPIO47_FICP_TXD, |
| |
| /* 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, |
| |
| /* GPIO KEYS */ |
| GPIO5_GPIO, /* notes */ |
| GPIO7_GPIO, /* tasks */ |
| GPIO11_GPIO, /* calendar */ |
| GPIO13_GPIO, /* contacts */ |
| GPIO14_GPIO, /* center */ |
| GPIO19_GPIO, /* left */ |
| GPIO20_GPIO, /* right */ |
| GPIO21_GPIO, /* down */ |
| GPIO22_GPIO, /* up */ |
| |
| /* MISC */ |
| GPIO1_RST, /* reset */ |
| GPIO4_GPIO, /* Hotsync button */ |
| GPIO9_GPIO, /* power detect */ |
| GPIO15_GPIO, /* earphone detect */ |
| GPIO37_GPIO, /* LCD power */ |
| GPIO56_GPIO, /* Backlight power */ |
| }; |
| |
| /****************************************************************************** |
| * SD/MMC card controller |
| ******************************************************************************/ |
| static int palmte2_mci_init(struct device *dev, |
| irq_handler_t palmte2_detect_int, void *data) |
| { |
| int err = 0; |
| |
| /* Setup an interrupt for detecting card insert/remove events */ |
| err = gpio_request(GPIO_NR_PALMTE2_SD_DETECT_N, "SD IRQ"); |
| if (err) |
| goto err; |
| err = gpio_direction_input(GPIO_NR_PALMTE2_SD_DETECT_N); |
| if (err) |
| goto err2; |
| err = request_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), |
| palmte2_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_PALMTE2_SD_POWER, "SD_POWER"); |
| if (err) |
| goto err3; |
| err = gpio_direction_output(GPIO_NR_PALMTE2_SD_POWER, 0); |
| if (err) |
| goto err4; |
| |
| err = gpio_request(GPIO_NR_PALMTE2_SD_READONLY, "SD_READONLY"); |
| if (err) |
| goto err4; |
| err = gpio_direction_input(GPIO_NR_PALMTE2_SD_READONLY); |
| if (err) |
| goto err5; |
| |
| printk(KERN_DEBUG "%s: irq registered\n", __func__); |
| |
| return 0; |
| |
| err5: |
| gpio_free(GPIO_NR_PALMTE2_SD_READONLY); |
| err4: |
| gpio_free(GPIO_NR_PALMTE2_SD_POWER); |
| err3: |
| free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data); |
| err2: |
| gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N); |
| err: |
| return err; |
| } |
| |
| static void palmte2_mci_exit(struct device *dev, void *data) |
| { |
| gpio_free(GPIO_NR_PALMTE2_SD_READONLY); |
| gpio_free(GPIO_NR_PALMTE2_SD_POWER); |
| free_irq(gpio_to_irq(GPIO_NR_PALMTE2_SD_DETECT_N), data); |
| gpio_free(GPIO_NR_PALMTE2_SD_DETECT_N); |
| } |
| |
| static void palmte2_mci_power(struct device *dev, unsigned int vdd) |
| { |
| struct pxamci_platform_data *p_d = dev->platform_data; |
| gpio_set_value(GPIO_NR_PALMTE2_SD_POWER, p_d->ocr_mask & (1 << vdd)); |
| } |
| |
| static int palmte2_mci_get_ro(struct device *dev) |
| { |
| return gpio_get_value(GPIO_NR_PALMTE2_SD_READONLY); |
| } |
| |
| static struct pxamci_platform_data palmte2_mci_platform_data = { |
| .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, |
| .setpower = palmte2_mci_power, |
| .get_ro = palmte2_mci_get_ro, |
| .init = palmte2_mci_init, |
| .exit = palmte2_mci_exit, |
| }; |
| |
| /****************************************************************************** |
| * GPIO keys |
| ******************************************************************************/ |
| static struct gpio_keys_button palmte2_pxa_buttons[] = { |
| {KEY_F1, GPIO_NR_PALMTE2_KEY_CONTACTS, 1, "Contacts" }, |
| {KEY_F2, GPIO_NR_PALMTE2_KEY_CALENDAR, 1, "Calendar" }, |
| {KEY_F3, GPIO_NR_PALMTE2_KEY_TASKS, 1, "Tasks" }, |
| {KEY_F4, GPIO_NR_PALMTE2_KEY_NOTES, 1, "Notes" }, |
| {KEY_ENTER, GPIO_NR_PALMTE2_KEY_CENTER, 1, "Center" }, |
| {KEY_LEFT, GPIO_NR_PALMTE2_KEY_LEFT, 1, "Left" }, |
| {KEY_RIGHT, GPIO_NR_PALMTE2_KEY_RIGHT, 1, "Right" }, |
| {KEY_DOWN, GPIO_NR_PALMTE2_KEY_DOWN, 1, "Down" }, |
| {KEY_UP, GPIO_NR_PALMTE2_KEY_UP, 1, "Up" }, |
| }; |
| |
| static struct gpio_keys_platform_data palmte2_pxa_keys_data = { |
| .buttons = palmte2_pxa_buttons, |
| .nbuttons = ARRAY_SIZE(palmte2_pxa_buttons), |
| }; |
| |
| static struct platform_device palmte2_pxa_keys = { |
| .name = "gpio-keys", |
| .id = -1, |
| .dev = { |
| .platform_data = &palmte2_pxa_keys_data, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * Backlight |
| ******************************************************************************/ |
| static int palmte2_backlight_init(struct device *dev) |
| { |
| int ret; |
| |
| ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER"); |
| if (ret) |
| goto err; |
| ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0); |
| if (ret) |
| goto err2; |
| ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER"); |
| if (ret) |
| goto err2; |
| ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0); |
| if (ret) |
| goto err3; |
| |
| return 0; |
| err3: |
| gpio_free(GPIO_NR_PALMTE2_LCD_POWER); |
| err2: |
| gpio_free(GPIO_NR_PALMTE2_BL_POWER); |
| err: |
| return ret; |
| } |
| |
| static int palmte2_backlight_notify(int brightness) |
| { |
| gpio_set_value(GPIO_NR_PALMTE2_BL_POWER, brightness); |
| gpio_set_value(GPIO_NR_PALMTE2_LCD_POWER, brightness); |
| return brightness; |
| } |
| |
| static void palmte2_backlight_exit(struct device *dev) |
| { |
| gpio_free(GPIO_NR_PALMTE2_BL_POWER); |
| gpio_free(GPIO_NR_PALMTE2_LCD_POWER); |
| } |
| |
| static struct platform_pwm_backlight_data palmte2_backlight_data = { |
| .pwm_id = 0, |
| .max_brightness = PALMTE2_MAX_INTENSITY, |
| .dft_brightness = PALMTE2_MAX_INTENSITY, |
| .pwm_period_ns = PALMTE2_PERIOD_NS, |
| .init = palmte2_backlight_init, |
| .notify = palmte2_backlight_notify, |
| .exit = palmte2_backlight_exit, |
| }; |
| |
| static struct platform_device palmte2_backlight = { |
| .name = "pwm-backlight", |
| .dev = { |
| .parent = &pxa25x_device_pwm0.dev, |
| .platform_data = &palmte2_backlight_data, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * IrDA |
| ******************************************************************************/ |
| static int palmte2_irda_startup(struct device *dev) |
| { |
| int err; |
| err = gpio_request(GPIO_NR_PALMTE2_IR_DISABLE, "IR DISABLE"); |
| if (err) |
| goto err; |
| err = gpio_direction_output(GPIO_NR_PALMTE2_IR_DISABLE, 1); |
| if (err) |
| gpio_free(GPIO_NR_PALMTE2_IR_DISABLE); |
| err: |
| return err; |
| } |
| |
| static void palmte2_irda_shutdown(struct device *dev) |
| { |
| gpio_free(GPIO_NR_PALMTE2_IR_DISABLE); |
| } |
| |
| static void palmte2_irda_transceiver_mode(struct device *dev, int mode) |
| { |
| gpio_set_value(GPIO_NR_PALMTE2_IR_DISABLE, mode & IR_OFF); |
| pxa2xx_transceiver_mode(dev, mode); |
| } |
| |
| static struct pxaficp_platform_data palmte2_ficp_platform_data = { |
| .startup = palmte2_irda_startup, |
| .shutdown = palmte2_irda_shutdown, |
| .transceiver_cap = IR_SIRMODE | IR_FIRMODE | IR_OFF, |
| .transceiver_mode = palmte2_irda_transceiver_mode, |
| }; |
| |
| /****************************************************************************** |
| * UDC |
| ******************************************************************************/ |
| static struct gpio_vbus_mach_info palmte2_udc_info = { |
| .gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N, |
| .gpio_vbus_inverted = 1, |
| .gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP, |
| }; |
| |
| static struct platform_device palmte2_gpio_vbus = { |
| .name = "gpio-vbus", |
| .id = -1, |
| .dev = { |
| .platform_data = &palmte2_udc_info, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * Power supply |
| ******************************************************************************/ |
| static int power_supply_init(struct device *dev) |
| { |
| int ret; |
| |
| ret = gpio_request(GPIO_NR_PALMTE2_POWER_DETECT, "CABLE_STATE_AC"); |
| if (ret) |
| goto err1; |
| ret = gpio_direction_input(GPIO_NR_PALMTE2_POWER_DETECT); |
| if (ret) |
| goto err2; |
| |
| return 0; |
| |
| err2: |
| gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); |
| err1: |
| return ret; |
| } |
| |
| static int palmte2_is_ac_online(void) |
| { |
| return gpio_get_value(GPIO_NR_PALMTE2_POWER_DETECT); |
| } |
| |
| static void power_supply_exit(struct device *dev) |
| { |
| gpio_free(GPIO_NR_PALMTE2_POWER_DETECT); |
| } |
| |
| static char *palmte2_supplicants[] = { |
| "main-battery", |
| }; |
| |
| static struct pda_power_pdata power_supply_info = { |
| .init = power_supply_init, |
| .is_ac_online = palmte2_is_ac_online, |
| .exit = power_supply_exit, |
| .supplied_to = palmte2_supplicants, |
| .num_supplicants = ARRAY_SIZE(palmte2_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 = PALMTE2_BAT_MAX_VOLTAGE, |
| .min_voltage = PALMTE2_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 palmte2_asoc_pdata = { |
| .jack_gpio = GPIO_NR_PALMTE2_EARPHONE_DETECT, |
| }; |
| |
| static struct platform_device palmte2_asoc = { |
| .name = "palm27x-asoc", |
| .id = -1, |
| .dev = { |
| .platform_data = &palmte2_asoc_pdata, |
| }, |
| }; |
| |
| /****************************************************************************** |
| * Framebuffer |
| ******************************************************************************/ |
| static struct pxafb_mode_info palmte2_lcd_modes[] = { |
| { |
| .pixclock = 77757, |
| .xres = 320, |
| .yres = 320, |
| .bpp = 16, |
| |
| .left_margin = 28, |
| .right_margin = 7, |
| .upper_margin = 7, |
| .lower_margin = 5, |
| |
| .hsync_len = 4, |
| .vsync_len = 1, |
| }, |
| }; |
| |
| static struct pxafb_mach_info palmte2_lcd_screen = { |
| .modes = palmte2_lcd_modes, |
| .num_modes = ARRAY_SIZE(palmte2_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) |
| &palmte2_pxa_keys, |
| #endif |
| &palmte2_backlight, |
| &power_supply, |
| &palmte2_asoc, |
| &palmte2_gpio_vbus, |
| }; |
| |
| /* setup udc GPIOs initial state */ |
| static void __init palmte2_udc_init(void) |
| { |
| if (!gpio_request(GPIO_NR_PALMTE2_USB_PULLUP, "UDC Vbus")) { |
| gpio_direction_output(GPIO_NR_PALMTE2_USB_PULLUP, 1); |
| gpio_free(GPIO_NR_PALMTE2_USB_PULLUP); |
| } |
| } |
| |
| static void __init palmte2_init(void) |
| { |
| pxa2xx_mfp_config(ARRAY_AND_SIZE(palmte2_pin_config)); |
| |
| set_pxa_fb_info(&palmte2_lcd_screen); |
| pxa_set_mci_info(&palmte2_mci_platform_data); |
| palmte2_udc_init(); |
| pxa_set_ac97_info(NULL); |
| pxa_set_ficp_info(&palmte2_ficp_platform_data); |
| wm97xx_bat_set_pdata(&wm97xx_batt_pdata); |
| |
| platform_add_devices(devices, ARRAY_SIZE(devices)); |
| } |
| |
| MACHINE_START(PALMTE2, "Palm Tungsten|E2") |
| .phys_io = 0x40000000, |
| .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, |
| .boot_params = 0xa0000100, |
| .map_io = pxa_map_io, |
| .init_irq = pxa25x_init_irq, |
| .timer = &pxa_timer, |
| .init_machine = palmte2_init |
| MACHINE_END |