bb6febdc90
The NXP PCA9685 supports 16 channels/leds using a 12-bit PWM (4095 levels of brightness) This driver supports configuration using platform_data. Signed-off-by: Maximilian Güntner <maximilian.guentner@gmail.com> Signed-off-by: Bryan Wu <cooloney@gmail.com>
36 lines
770 B
C
36 lines
770 B
C
/*
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* Copyright 2013 Maximilian Güntner <maximilian.guentner@gmail.com>
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*
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* This file is subject to the terms and conditions of version 2 of
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* the GNU General Public License. See the file COPYING in the main
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* directory of this archive for more details.
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*
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* Based on leds-pca963x.h by Peter Meerwald <p.meerwald@bct-electronic.com>
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*
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* LED driver for the NXP PCA9685 PWM chip
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*
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*/
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#ifndef __LINUX_PCA9685_H
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#define __LINUX_PCA9685_H
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#include <linux/leds.h>
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enum pca9685_outdrv {
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PCA9685_OPEN_DRAIN,
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PCA9685_TOTEM_POLE,
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};
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enum pca9685_inverted {
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PCA9685_NOT_INVERTED,
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PCA9685_INVERTED,
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};
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struct pca9685_platform_data {
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struct led_platform_data leds;
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enum pca9685_outdrv outdrv;
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enum pca9685_inverted inverted;
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};
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#endif /* __LINUX_PCA9685_H */
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