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2018-08-02mux: adgs1408: new driver for Analog Devices ADGS1408/1409 muxMircea Caprioru1-0/+2
This patch adds basic support for Analog Device ADGS1408/09 SPI mux controller. The device is probed and set to a disabled state. It uses the new mux controller framework. Signed-off-by: Mircea Caprioru <[email protected]> Signed-off-by: Peter Rosin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2018-01-09mux: add SPDX identifiers to all mux source filesPeter Rosin1-0/+1
Remove all free-text license texts. This is done on a quest to remove the 700+ different ways that files in the kernel describe the GPL license text. No copyright headers or other non-license-description text was removed. Reviewed-by: Philippe Ombredanne <[email protected]> Acked-by: Philipp Zabel <[email protected]> Signed-off-by: Peter Rosin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-08-28mux: zap mux- prefix from the source filesPeter Rosin1-0/+5
Preserve the module names with Makefile additions. Signed-off-by: Peter Rosin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-06-03mux: mmio-based syscon mux controllerPhilipp Zabel1-0/+1
This adds a driver for mmio-based syscon multiplexers controlled by bitfields in a syscon register range. Signed-off-by: Philipp Zabel <[email protected]> Signed-off-by: Peter Rosin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-06-03mux: adg792a: add mux controller driver for ADG792A/GPeter Rosin1-0/+1
Analog Devices ADG792A/G is a triple 4:1 mux. Reviewed-by: Jonathan Cameron <[email protected]> Signed-off-by: Peter Rosin <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-06-03mux: gpio: add mux controller driver for gpio based multiplexersPeter Rosin1-0/+1
The driver builds a single multiplexer controller using a number of gpio pins. For N pins, there will be 2^N possible multiplexer states. The GPIO pins can be connected (by the hardware) to several multiplexers, which in that case will be operated in parallel. Reviewed-by: Jonathan Cameron <[email protected]> Signed-off-by: Peter Rosin <[email protected]> Reviewed-by: Philipp Zabel <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2017-06-03mux: minimal mux subsystemPeter Rosin1-0/+5
Add a new minimalistic subsystem that handles multiplexer controllers. When multiplexers are used in various places in the kernel, and the same multiplexer controller can be used for several independent things, there should be one place to implement support for said multiplexer controller. A single multiplexer controller can also be used to control several parallel multiplexers, that are in turn used by different subsystems in the kernel, leading to a need to coordinate multiplexer accesses. The multiplexer subsystem handles this coordination. Thanks go out to Lars-Peter Clausen, Jonathan Cameron, Rob Herring, Wolfram Sang, Paul Gortmaker, Dan Carpenter, Colin Ian King, Greg Kroah-Hartman and last but certainly not least to Philipp Zabel for helpful comments, reviews, patches and general encouragement! Reviewed-by: Jonathan Cameron <[email protected]> Signed-off-by: Peter Rosin <[email protected]> Reviewed-by: Philipp Zabel <[email protected]> Tested-by: Philipp Zabel <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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