diff options
Diffstat (limited to 'kernel/arch/arm/mach-pxa/palmte2.c')
| -rw-r--r-- | kernel/arch/arm/mach-pxa/palmte2.c | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-pxa/palmte2.c b/kernel/arch/arm/mach-pxa/palmte2.c new file mode 100644 index 000000000..956fd24ee --- /dev/null +++ b/kernel/arch/arm/mach-pxa/palmte2.c @@ -0,0 +1,370 @@ +/* + * 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.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/pxa25x.h> +#include <mach/audio.h> +#include <mach/palmte2.h> +#include <linux/platform_data/mmc-pxamci.h> +#include <linux/platform_data/video-pxafb.h> +#include <linux/platform_data/irda-pxaficp.h> +#include <mach/udc.h> +#include <linux/platform_data/asoc-palm27x.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 */ + GPIOxx_LCD_TFT_16BPP, + + /* 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 struct pxamci_platform_data palmte2_mci_platform_data = { + .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, + .gpio_card_detect = GPIO_NR_PALMTE2_SD_DETECT_N, + .gpio_card_ro = GPIO_NR_PALMTE2_SD_READONLY, + .gpio_power = GPIO_NR_PALMTE2_SD_POWER, +}; + +#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE) +/****************************************************************************** + * 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, + }, +}; +#endif + +/****************************************************************************** + * Backlight + ******************************************************************************/ +static struct gpio palmte_bl_gpios[] = { + { GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" }, + { GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" }, +}; + +static int palmte2_backlight_init(struct device *dev) +{ + return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios)); +} + +static int palmte2_backlight_notify(struct device *dev, 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_array(ARRAY_AND_SIZE(palmte_bl_gpios)); +} + +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, + .enable_gpio = -1, + .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 struct pxaficp_platform_data palmte2_ficp_platform_data = { + .gpio_pwdown = GPIO_NR_PALMTE2_IR_DISABLE, + .transceiver_cap = IR_SIRMODE | IR_OFF, +}; + +/****************************************************************************** + * 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 audio, battery + ******************************************************************************/ +static struct wm97xx_batt_pdata palmte2_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", +}; + +static struct wm97xx_pdata palmte2_wm97xx_pdata = { + .batt_pdata = &palmte2_batt_pdata, +}; + +static pxa2xx_audio_ops_t palmte2_ac97_pdata = { + .codec_pdata = { &palmte2_wm97xx_pdata, }, +}; + +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)); + + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + + pxa_set_fb_info(NULL, &palmte2_lcd_screen); + pxa_set_mci_info(&palmte2_mci_platform_data); + palmte2_udc_init(); + pxa_set_ac97_info(&palmte2_ac97_pdata); + pxa_set_ficp_info(&palmte2_ficp_platform_data); + + platform_add_devices(devices, ARRAY_SIZE(devices)); +} + +MACHINE_START(PALMTE2, "Palm Tungsten|E2") + .atag_offset = 0x100, + .map_io = pxa25x_map_io, + .nr_irqs = PXA_NR_IRQS, + .init_irq = pxa25x_init_irq, + .handle_irq = pxa25x_handle_irq, + .init_time = pxa_timer_init, + .init_machine = palmte2_init, + .restart = pxa_restart, +MACHINE_END |