spi: imx: Add loopback mode support

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Loopback mode can be activated by setting bit LBC (LoopBack
Control) of register ECSPI_TESTREG.

Add support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Fabio Estevam 2015-12-03 23:23:24 -02:00 • committed by Mark Brown

parent 8005c49d9a

commit 9f6aa42bbb

1 changed files with 13 additions and 2 deletions

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15

drivers/spi/spi-imx.c

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