AuxXxilium/linux_dsm_epyc7002
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3 Commits

Author SHA1 Message Date
Stefan Popa
cbd5dd387a drivers: iio: dac: Fix wrong license for ADI drivers 
Analog Devices drivers are typically GPL v2 only. This patch fixes the
inconsistencies between the module license and SPDX.

Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2019-02-09 18:46:01 +00:00
Stefan Popa
ff50593026 iio: dac: ad5758: Add support for hard reset 
The ad5758 has a hardware reset active low input pin. This patch adds a
devicetree entry for a reset GPIO and a new ad5758_reset() function.
During
initialization, it is checked if the reset property is specified and the
the GPIO is being asserted, therefore the device will become active.

When the reset function is called, if the gpio_reset var is set, then
the
GPIO will be toggled, otherwise a software reset is performed.

Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2018-09-02 19:01:30 +01:00
Stefan Popa
28d1a7ac2a iio: dac: Add AD5758 support 
The AD5758 is a single channel DAC with 16-bit precision which uses the
SPI interface that operates at clock rates up to 50MHz.

The output can be configured as voltage or current and is available on a
single terminal.

Datasheet:
http://www.analog.com/media/en/technical-documentation/data-sheets/ad5758.pdf

Signed-off-by: Stefan Popa <stefan.popa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
 2018-07-07 18:16:32 +01:00