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This patch adds support for the AD5415, AD5426, AD5429, AD5432, AD5439, AD5443 and AD5449 single and dual channel DACs. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
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* AD5415, AD5426, AD5429, AD5432, AD5439, AD5443, AD5449 Digital to Analog
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* Converter driver.
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*
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* Copyright 2012 Analog Devices Inc.
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* Author: Lars-Peter Clausen <lars@metafoo.de>
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*
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* Licensed under the GPL-2.
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*/
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#ifndef __LINUX_PLATFORM_DATA_AD5449_H__
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#define __LINUX_PLATFORM_DATA_AD5449_H__
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/**
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* enum ad5449_sdo_mode - AD5449 SDO pin configuration
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* @AD5449_SDO_DRIVE_FULL: Drive the SDO pin with full strength.
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* @AD5449_SDO_DRIVE_WEAK: Drive the SDO pin with not full strength.
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* @AD5449_SDO_OPEN_DRAIN: Operate the SDO pin in open-drain mode.
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* @AD5449_SDO_DISABLED: Disable the SDO pin, in this mode it is not possible to
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* read back from the device.
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*/
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enum ad5449_sdo_mode {
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AD5449_SDO_DRIVE_FULL = 0x0,
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AD5449_SDO_DRIVE_WEAK = 0x1,
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AD5449_SDO_OPEN_DRAIN = 0x2,
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AD5449_SDO_DISABLED = 0x3,
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};
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/**
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* struct ad5449_platform_data - Platform data for the ad5449 DAC driver
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* @sdo_mode: SDO pin mode
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* @hardware_clear_to_midscale: Whether asserting the hardware CLR pin sets the
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* outputs to midscale (true) or to zero scale(false).
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*/
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struct ad5449_platform_data {
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enum ad5449_sdo_mode sdo_mode;
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bool hardware_clear_to_midscale;
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};
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#endif
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