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Milan Obuch 1a4bf17b02 arm: zynq: zybo z7: fix MIO init issue The board has two push button connected to MIO pins 50 and 51, which have a pull-down resistor and are connected to 1.8V when pressed. These two pins are wrongly initialized with internal pull-up enabled so they are reported as 1 all the time with no change when pressed. Disable the internal pull-up to fix the issue. Signed-off-by: Milan Obuch <u-boot@dino.sk> Signed-off-by: Luis Araneda <luaraneda@gmail.com> Signed-off-by: Michal Simek <michal.simek@xilinx.com>	2020-02-28 12:04:10 +01:00
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ps7_init_gpl.c	arm: zynq: zybo z7: fix MIO init issue	2020-02-28 12:04:10 +01:00

Milan Obuch 1a4bf17b02 arm: zynq: zybo z7: fix MIO init issue

The board has two push button connected to MIO pins
50 and 51, which have a pull-down resistor and are
connected to 1.8V when pressed.

These two pins are wrongly initialized with internal
pull-up enabled so they are reported as 1 all the time
with no change when pressed.

Disable the internal pull-up to fix the issue.

Signed-off-by: Milan Obuch <u-boot@dino.sk>
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

2020-02-28 12:04:10 +01:00

ps7_init_gpl.c

arm: zynq: zybo z7: fix MIO init issue

2020-02-28 12:04:10 +01:00