/* * Copyright (C) 2007 Atmel Corporation * * Driver for the AT32AP700X PS/2 controller (PSIF). * * 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. */ #ifndef __INCLUDE_ATMEL_PWM_BL_H #define __INCLUDE_ATMEL_PWM_BL_H /** * struct atmel_pwm_bl_platform_data * @pwm_channel: which PWM channel in the PWM module to use. * @pwm_frequency: PWM frequency to generate, the driver will try to be as * close as the prescaler allows. * @pwm_compare_max: value to use in the PWM channel compare register. * @pwm_duty_max: maximum duty cycle value, must be less than or equal to * pwm_compare_max. * @pwm_duty_min: minimum duty cycle value, must be less than pwm_duty_max. * @pwm_active_low: set to one if the low part of the PWM signal increases the * brightness of the backlight. * @gpio_on: GPIO line to control the backlight on/off, set to -1 if not used. * @on_active_low: set to one if the on/off signal is on when GPIO is low. * * This struct must be added to the platform device in the board code. It is * used by the atmel-pwm-bl driver to setup the GPIO to control on/off and the * PWM device. */ struct atmel_pwm_bl_platform_data { unsigned int pwm_channel; unsigned int pwm_frequency; unsigned int pwm_compare_max; unsigned int pwm_duty_max; unsigned int pwm_duty_min; unsigned int pwm_active_low; int gpio_on; unsigned int on_active_low; }; #endif /* __INCLUDE_ATMEL_PWM_BL_H */