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authorSanchayan Maity <maitysanchayan@gmail.com>2017-06-07 12:05:01 +0530
committerMarcel Ziswiler <marcel.ziswiler@toradex.com>2017-06-17 16:57:14 +0200
commit0068a1b36d309f22698f7de7478b72e672360129 (patch)
tree2cd03f237633eb93acb58dbb8bce0fdff4abc256 /drivers/char
parentf37e832b9814df334bb09374e2f21c88d35ec61c (diff)
ARM: dts: vf-colibri-aster: Add support for Aster with Vybrid
Add support for Aster carrier board with Vybrid. Notes: - In case where the RPi standard specifies a GPIO and we have another pinmux for the concerned pin due to Colibri standard, the Colibri standard has been given preference. - Vybrid DSPI driver does not support the use of GPIOs as chip selects. On Aster Colibri standard SPI chip select is exposed on Arduino header and a GPIO for chip select is brought out on RPi header. Since DSPI driver does not support use of GPIOs as chip selects and to allow use of DSPI on both Arduino and RPi headers, the chip selects have been multiplexed as GPIOs. The user space application will be responsible for controlling these chip selects explicitly. Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com> Acked-by: Marcel Ziswiler <marcel.ziswiler@toradex.com>
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