linux-kernel - [PATCH v4 0/2] spi: omap2-mcspi: Add support for GPIO chipselects

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Message-Id: <1431041814-24757-1-git-send-email-mwelling@ieee.org>
Date:	Thu,  7 May 2015 18:36:52 -0500
From:	Michael Welling <mwelling@...e.org>
To:	broonie@...nel.org, linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc:	Michael Welling <mwelling@...e.org>
Subject: [PATCH v4 0/2] spi: omap2-mcspi: Add support for GPIO chipselects

This patch allows for GPIOs specified in the devicetree to be used as SPI
chipselects on TI OMAP2 SoCs.

Tested on the AM3354.

v4: Breaks patch down into patch series.

v3: Switches driver to use transfer_one instead of transfer_one_message
allowing the spi core to handle toggling GPIO chip selects if specified.

v2: Considers the possible use of SPI_CS_HIGH during chip select activation.

Michael Welling (2):
  spi: omap2-mcspi: Switch driver to use transfer_one
  spi: omap2-mcspi: Add gpio_request and init CS

 drivers/spi/spi-omap2-mcspi.c |  251 +++++++++++++++++++----------------------
 1 file changed, 117 insertions(+), 134 deletions(-)

-- 
1.7.9.5

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