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path: root/drivers/iio/dac/stm32-dac.c
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2018-01-08iio: stm32: Adopt SPDX identifierBenjamin Gaignard
Add SPDX identifier in stm32's files in IIO directory Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com> Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com> Acked-by: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-08-22iio:dac: drop assignment of iio_info.driver_moduleJonathan Cameron
The equivalent of this is now done via macro magic when the relevant register call is made. The actual structure element will shortly go away. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
2017-07-15iio: dac: stm32: fix error messageFabrice Gasnier
Fix error message, there's no 'st,dac-channel' property, but 'reg' (see https://lkml.org/lkml/2017/4/3/567). Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-04-14iio: dac: add support for stm32 DACFabrice Gasnier
Add support for STMicroelectronics STM32 DAC. It's a 12-bit, voltage output digital-to-analog converter. It has two output channels, each with its own converter. It supports 8 bits or 12bits left/right aligned data format. Only 12bits right-aligned is used here. It has built-in noise or triangle waveform generator, and supports external triggers for conversions. Each channel can be used independently, with separate trigger, then separate IIO devices are used to handle this. Core driver is intended to share common resources such as clock, reset, reference voltage and registers. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>