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openwrt/target
Edoardo Scaglia 077253dd66 ar71xx: fix Arduino Yun enabling of level shifters outputs
As show in Arduino Yun schematic [1] GPIO 21 and 22 are connected to
output enable pin (OE) of two NTB01xx level shifters.

NTB01xx datasheets [2] [3] states that OE pin are active-high
therefore we should initialize GPIO 21 (DS_GPIO_OE) and GPIO 22
(DS_GPIO_OE2) accordingly to actually enable level shifters outputs.

[1] https://www.arduino.cc/en/uploads/Main/arduino-Yun-schematic.pdf
[2] https://www.nxp.com/docs/en/data-sheet/NTB0102.pdf
[3] https://www.nxp.com/docs/en/data-sheet/NTB0104.pdf

Signed-off-by: Edoardo Scaglia <edoardo.87@gmail.com>
5 years ago
..
imagebuilder imagebuilder: manifest function show stderr 6 years ago
linux ar71xx: fix Arduino Yun enabling of level shifters outputs 5 years ago
sdk sdk: find kernel modules when KDIR is a symlink 6 years ago
toolchain merge: etc: update remaining files 7 years ago
Config.in build: add support for enabling the rootfs/boot partition size option via target feature 6 years ago
Makefile build: make <subdir>/install opt-in, use it for target/ only 7 years ago