diff options
Diffstat (limited to 'arch/arm/mach-pxa/palmte2.c')
| -rw-r--r-- | arch/arm/mach-pxa/palmte2.c | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c index e0dc655ae83..43fcf2e8688 100644 --- a/arch/arm/mach-pxa/palmte2.c +++ b/arch/arm/mach-pxa/palmte2.c @@ -20,8 +20,11 @@ #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> @@ -32,6 +35,8 @@ #include <mach/mmc.h> #include <mach/pxafb.h> #include <mach/mfp-pxa25x.h> +#include <mach/irda.h> +#include <mach/udc.h> #include "generic.h" #include "devices.h" @@ -56,6 +61,15 @@ static unsigned long palmte2_pin_config[] __initdata = { /* 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, @@ -76,6 +90,7 @@ static unsigned long palmte2_pin_config[] __initdata = { GPIO74_LCD_FCLK, GPIO75_LCD_LCLK, GPIO76_LCD_PCLK, + GPIO77_LCD_BIAS, /* GPIO KEYS */ GPIO5_GPIO, /* notes */ @@ -90,6 +105,10 @@ static unsigned long palmte2_pin_config[] __initdata = { /* MISC */ GPIO1_RST, /* reset */ + GPIO4_GPIO, /* Hotsync button */ + GPIO9_GPIO, /* power detect */ + GPIO37_GPIO, /* LCD power */ + GPIO56_GPIO, /* Backlight power */ }; /****************************************************************************** @@ -205,11 +224,53 @@ static struct platform_device palmte2_pxa_keys = { /****************************************************************************** * 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 = { @@ -221,6 +282,119 @@ static struct platform_device palmte2_backlight = { }; /****************************************************************************** + * 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 pxa2xx_udc_mach_info palmte2_udc_info __initdata = { + .gpio_vbus = GPIO_NR_PALMTE2_USB_DETECT_N, + .gpio_vbus_inverted = 1, + .gpio_pullup = GPIO_NR_PALMTE2_USB_PULLUP, + .gpio_pullup_inverted = 0, +}; + +/****************************************************************************** + * 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", +}; + +/****************************************************************************** * Framebuffer ******************************************************************************/ static struct pxafb_mode_info palmte2_lcd_modes[] = { @@ -254,15 +428,29 @@ static struct platform_device *devices[] __initdata = { &palmte2_pxa_keys, #endif &palmte2_backlight, + &power_supply, }; +/* 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_udc_info(&palmte2_udc_info); 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)); } |