55-rpi.rules

#/etc/udev/rules.d/55-rpi.rules

SUBSYSTEM=="vchiq",GROUP="video",MODE="0660"
SUBSYSTEM=="bcm2708_vcio",GROUP="video",MODE="0660"
SUBSYSTEM=="vc-sm",GROUP="video",MODE="0660"
SUBSYSTEM=="input", GROUP="input", MODE="0660"
SUBSYSTEM=="i2c-dev", GROUP="i2c", MODE="0660"
SUBSYSTEM=="spidev", GROUP="spi", MODE="0660"
SUBSYSTEM=="bcm2835-gpiomem", GROUP="gpio", MODE="0660"
SUBSYSTEM=="tty", KERNEL=="tty[0-9]*", GROUP="tty", MODE="0660"

SUBSYSTEM=="gpio", GROUP="gpio", MODE="0660"

SUBSYSTEM=="gpio*", PROGRAM="/bin/sh -c '\
    chown -R root:gpio /sys/class/gpio && chmod -R 770 /sys/class/gpio;\
    chown -R root:gpio /sys/devices/virtual/gpio && chmod -R 770 /sys/devices/virtual/gpio;\
    chown -R root:gpio /sys$devpath && chmod -R 770 /sys$devpath\
'"

KERNEL=="ttyAMA[01]", PROGRAM="/bin/sh -c '\
    ALIASES=/proc/device-tree/aliases; \
    if cmp -s $ALIASES/uart0 $ALIASES/serial0; then \
	echo 0;\
    elif cmp -s $ALIASES/uart0 $ALIASES/serial1; then \
	echo 1; \
    else \
	exit 1; \
    fi\
'", SYMLINK+="serial%c"

KERNEL=="ttyS0", PROGRAM="/bin/sh -c '\
    ALIASES=/proc/device-tree/aliases; \
    if cmp -s $ALIASES/uart1 $ALIASES/serial0; then \
	echo 0; \
    elif cmp -s $ALIASES/uart1 $ALIASES/serial1; then \
	echo 1; \
    else \
	exit 1; \
    fi \
'", SYMLINK+="serial%c"