NAME
rk_grf_gpio – RockChip GPIO_MUTE pin driver
SYNOPSIS
options SOC_ROCKCHIP_rk3328
DESCRIPTION
The rk_grf_gpio driver provides a single-pin, output-only gpio(3) unit whose single pin is named GPIO_MUTE. This controls the output of the GPIO_MUTE pin on the SoC.
This gpio is usually used to control another device on the board, so is not usually available for user software.
HARDWARE
The rk_grf_gpio driver supports the following GRF GPIO controller:
-
rockchip,rk3328-grf-gpio
HISTORY
The rk_grf_gpio driver first appeared in FreeBSD 15.0.
AUTHORS
The rk_grf_gpio driver and manual were written by Stephen Hurd ⟨[email protected]⟩.