spi: imx: Implement support for CS_WORD
authorUwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tue, 27 Jul 2021 12:42:26 +0000 (14:42 +0200)
committerMark Brown <broonie@kernel.org>
Tue, 3 Aug 2021 00:45:10 +0000 (01:45 +0100)
commit6e95b23a5b2d1fcbe5a84a362170a4871a3d5731
treea56c70506cd3295dfb20b9b8d22ec98357609ab4
parente3aa9acc71778266cc4743217ff1a1a53caf15d6
spi: imx: Implement support for CS_WORD

This only works when the native chipselect is in use. On a board with a
Ti ADS7950 8 channel ADC. This patch reduces the time to read out all
channels once from 280 us to 20 us.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20210727124226.5571-1-u.kleine-koenig@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
drivers/spi/spi-imx.c