upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
 
 
 
 
 
 
u-boot/include/dt-bindings/gpio
..
gpio.h
meson-gxbb-gpio.h
tegra-gpio.h
tegra186-gpio.h
x86-gpio.h