diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-29 00:07:55 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-29 00:07:55 +0200 |
commit | cb28a1bbdb4790378e7366d6c9ee1d2340b84f92 (patch) | |
tree | 316436f77dac75335fd2c3ef5f109e71606c50d3 /include/linux/atmel-pwm-bl.h | |
parent | b6d4f7e3ef25beb8c658c97867d98883e69dc544 (diff) | |
parent | f934fb19ef34730263e6afc01e8ec27a8a71470f (diff) |
Merge branch 'linus' into core/generic-dma-coherent
Conflicts:
arch/x86/Kconfig
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/atmel-pwm-bl.h')
-rw-r--r-- | include/linux/atmel-pwm-bl.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/linux/atmel-pwm-bl.h b/include/linux/atmel-pwm-bl.h new file mode 100644 index 00000000000..0153a47806c --- /dev/null +++ b/include/linux/atmel-pwm-bl.h @@ -0,0 +1,43 @@ +/* + * 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 */ |