diff options
Diffstat (limited to 'arch/arm/mach-pxa/palmt5.c')
| -rw-r--r-- | arch/arm/mach-pxa/palmt5.c | 497 |
1 files changed, 497 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmt5.c b/arch/arm/mach-pxa/palmt5.c new file mode 100644 index 000000000000..51b4a6025516 --- /dev/null +++ b/arch/arm/mach-pxa/palmt5.c @@ -0,0 +1,497 @@ +/* + * 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 <asm/mach-types.h> +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/audio.h> +#include <mach/palmt5.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 <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, + + /* IrDA */ + GPIO40_GPIO, /* ir disable */ + GPIO46_FICP_RXD, + GPIO47_FICP_TXD, + + /* USB */ + GPIO15_GPIO, /* usb detect */ + GPIO95_GPIO, /* usb power */ + + /* MATRIX KEYPAD */ + GPIO100_KP_MKIN_0, + GPIO101_KP_MKIN_1, + GPIO102_KP_MKIN_2, + GPIO97_KP_MKIN_3, + 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, + + /* 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 pxa2xx_udc_mach_info palmt5_udc_info __initdata = { + .gpio_vbus = GPIO_NR_PALMT5_USB_DETECT_N, + .gpio_vbus_inverted = 1, + .gpio_pullup = GPIO_NR_PALMT5_USB_POWER, + .gpio_pullup_inverted = 0, +}; + +/****************************************************************************** + * 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 palm27x_asoc_pdata = { + .jack_gpio = GPIO_NR_PALMT5_EARPHONE_DETECT, +}; + +/****************************************************************************** + * 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, +}; + +/****************************************************************************** + * 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, +}; + +/* setup udc GPIOs initial state */ +static void __init palmt5_udc_init(void) +{ + if (!gpio_request(GPIO_NR_PALMT5_USB_POWER, "UDC Vbus")) { + gpio_direction_output(GPIO_NR_PALMT5_USB_POWER, 1); + gpio_free(GPIO_NR_PALMT5_USB_POWER); + } +} + +static void __init palmt5_init(void) +{ + pxa2xx_mfp_config(ARRAY_AND_SIZE(palmt5_pin_config)); + + set_pxa_fb_info(&palmt5_lcd_screen); + pxa_set_mci_info(&palmt5_mci_platform_data); + palmt5_udc_init(); + pxa_set_udc_info(&palmt5_udc_info); + pxa_set_ac97_info(NULL); + pxa_set_ficp_info(&palmt5_ficp_platform_data); + pxa_set_keypad_info(&palmt5_keypad_platform_data); + wm97xx_bat_set_pdata(&wm97xx_batt_pdata); + palm27x_asoc_set_pdata(&palm27x_asoc_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 |
