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This commit enables i2c recovery, supported by the i2c core subsystem.
It defines the required GPIOs for SDA and SCL lines.
Signed-off-by: Jose Alarcon <jose.alarcon@ge.com>
Signed-off-by: Nandor Han <nandor.han@ge.com>
Signed-off-by: Romain Perier <romain.perier@collabora.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Change the maxium spi clock frequency from 20MHz to 10MHz to meet the
operation voltage range requirement recommended in AT25 datasheet.
Signed-off-by: Ken Lin <yungching0725@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Leave pca953x P06,P07 pins on b850v3 platform and P06 pin on
b450v3/b650v3 unconfigured in the kernel space since they could be
configured as DP1_RST and DP2_RST by the applications for the DP FW
update support.
Signed-off-by: Ken Lin <ken.lin@advantech.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The license text has been mangled at some point then copy pasted across
multiple files. Restore it to what it should be.
Note that this is not intended as a license change.
Reviewed-by: Heiko Schocher <hs@denx.de>
Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Afzal Mohammed <afzal.mohd.ma@gmail.com>
Acked-by: Michael Trimarchi <michael@amarulasolutions.com>
Acked-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Since commit b36581df7e78 ("spi: imx: Using existing properties for
chipselects") the device tree property 'fsl,spi-num-chipselects' is
unused and it is already marked as obsolete in device tree binding
documentation. Remove the property from the existing DTS files to
avoid its reoccurence on copying.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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At power on, pca953x GPIO pins are configured as input and may cause
unexpected interrupts. Configure the unused pins as GPO low to
avoid unexpected interrupts.
Signed-off-by: Ken Lin <ken.lin@advantech.com.tw>
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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bx50v3 boards can be powered off via GPIO, this patch specifies the GPIO to
be used with the gpio-poweroff driver.
Signed-off-by: Ken Lin <ken.lin@advantech.com.tw>
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Advantech has 3 carrier boards (B450v3, B650v3, B850v3) which use
the Advantech BA-16 module (based on iMX6D). This file has the
devicetree entries that are common to all 3 boards.
Signed-off-by: Akshay Bhat <akshay.bhat@timesys.com>
Signed-off-by: Justin Waters <justin.waters@timesys.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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