PCALED(4) | Device Drivers Manual | PCALED(4)

# NAME

`pcaled` — Philips PCA9532/PCA9552 GPIO LED dimmer

# SYNOPSIS

`pcaled* at iic?`
`gpio* at pcaled?`

# DESCRIPTION

The `pcaled` driver provides support for the Philips PCA9532 and PCA9552 GPIO controllers which are specifically optimized to dim LEDs in 256 discrete steps.

# SEE ALSO

gpio(4), iic(4), intro(4), gpioctl(8)

# HISTORY

The `pcaled` driver first appeared in OpenBSD 4.0.

# AUTHORS

The `pcaled` driver was written by Dale Rahn <drahn@openbsd.org>.

July 16, 2013 | Debian