There are 5 groups of GPIO (GPIO0~GPIO4), totally have 122 GPIOs on rk3399 platform. The pull direction(pullup or pulldown) for all of GPIOs are software-programmable. At the moment, we add the gpio basic driver since reset or power off the devices from gpio configuration for BL31. |
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arm | ||
common | ||
compat | ||
mediatek | ||
nvidia/tegra | ||
rockchip | ||
xilinx/zynqmp |