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ARM: dts: vf610-bk4: Provide support for reading ID code from MVB device
authorLukasz Majewski <lukma@denx.de>
Sun, 9 Dec 2018 21:50:56 +0000 (22:50 +0100)
committerShawn Guo <shawnguo@kernel.org>
Thu, 10 Jan 2019 13:21:44 +0000 (21:21 +0800)
commitcf91ce9696a019de74135b7a2ee21466c680ff4e
tree5fa0f1f3946c8e615d64bfe74f33b06c69797a7ctree | snapshot
parent65441e1ffc21b950d7bcb697e7cc2424fc14fa8dcommit | diff
ARM: dts: vf610-bk4: Provide support for reading ID code from MVB device

The procedure to read this ID value is as follows:

rmmod spi_fsl_dspi
insmod spi-gpio.ko

echo 504 > /sys/class/gpio/export
cat /sys/class/gpio/gpio504/value
...
echo 511 > /sys/class/gpio/export
cat /sys/class/gpio/gpio511/value

rmmod spi-gpio.ko
insmod spi_fsl_dspi

Signed-off-by: Lukasz Majewski <lukma@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/vf610-bk4.dts diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git