[PATCH 0/2] SPI bus multiplexing
From: Chris Packham
Date: Tue Jan 14 2020 - 18:39:17 EST
This is a revisit of two earlier efforts to add more complex mutliplexing to
SPI busses.
https://patchwork.kernel.org/patch/2706151/
https://patchwork.kernel.org/patch/10897255/
This version makes use of the general purpose mux controller which simplifies
things greatly.
Chris Packham (2):
dt-bindings: spi: Document binding for generic SPI multiplexer
spi: Add generic SPI multiplexer
.../devicetree/bindings/spi/spi-mux.yaml | 82 ++++++++
drivers/spi/Kconfig | 12 ++
drivers/spi/Makefile | 1 +
drivers/spi/spi-mux.c | 189 ++++++++++++++++++
4 files changed, 284 insertions(+)
create mode 100644 Documentation/devicetree/bindings/spi/spi-mux.yaml
create mode 100644 drivers/spi/spi-mux.c
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2.25.0