[PATCH v1 0/2] spi: Add data loopback OF compatible

From: Francesco Dolcini

Date: Mon Mar 16 2026 - 03:36:29 EST


From: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>

Add "spi-miso-mosi-loopback" OF compatible, that describes a
single wire loopback between the two data signals, MISO and MOSI.

This kind of setup can be used for testing the SPI functionality.

Link: https://lore.kernel.org/all/20260310133254.GA51497@francesco-nb/

Francesco Dolcini (2):
dt-bindings: trivial-devices: add spi-miso-mosi-loopback
spi: spidev: Add data loopback OF compatible

Documentation/devicetree/bindings/trivial-devices.yaml | 2 ++
drivers/spi/spidev.c | 2 ++
2 files changed, 4 insertions(+)

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2.47.3