logind: add support for TPS65217 Power Button

System Internals / systemd - Koen Kooi [dominion.thruhere.net] - 27 September 2014 18:29 UTC

This PMIC is found on TI AM335x based boards like the beaglebone and beaglebone black.

root@beaglebone-white:~# udevadm info -a /dev/input/event0

Udevadm info starts with the device specified by the devpath and then walks up the chain of parent devices. It prints for every device found, all possible attributes in the udev rules key format. A rule to match, can be composed by the attributes of the device and the attributes from one single parent device.

looking at device '/devices/ocp.3/44e0b000.i2c/i2c-0/0-0024/input/input0/event0': KERNEL=="event0" SUBSYSTEM=="input" DRIVER==""

looking at parent device '/devices/ocp.3/44e0b000.i2c/i2c-0/0-0024/input/input0': KERNELS=="input0" SUBSYSTEMS=="input" DRIVERS=="" ATTRS{name}=="tps65217_pwr_but" ATTRS{phys}=="" ATTRS{uniq}=="" ATTRS{properties}=="0"

looking at parent device '/devices/ocp.3/44e0b000.i2c/i2c-0/0-0024': KERNELS=="0-0024" SUBSYSTEMS=="i2c" DRIVERS=="tps65217" ATTRS{name}=="tps65217"

looking at parent device '/devices/ocp.3/44e0b000.i2c/i2c-0': KERNELS=="i2c-0" SUBSYSTEMS=="i2c" DRIVERS=="" ATTRS{name}=="OMAP I2C adapter"

looking at parent device '/devices/ocp.3/44e0b000.i2c': KERNELS=="44e0b000.i2c" SUBSYSTEMS=="platform" DRIVERS=="omap_i2c"

looking at parent device '/devices/ocp.3': KERNELS=="ocp.3" SUBSYSTEMS=="platform" DRIVERS==""

492d7a3 logind: add support for TPS65217 Power Button
src/login/70-power-switch.rules | 1 +
1 file changed, 1 insertion(+)

Upstream: github.com

  • Share