Hi all,
I have an issue (my fault probably) where i would like to define default
states of GPIO ports. I have created my own cape based on univ-all where i
define two port's as follows:
P8_03_default_pin: pinmux_P8_03_default_pin {
pinctrl-single,pins = <0x018 0x27>; };
P8_03_gpio_pin: pinmux_P8_03_gpio_pin {
pinctrl-single,pins = <0x018 0x27>; };
P8_04_default_pin: pinmux_P8_04_default_pin {
pinctrl-single,pins = <0x01c 0x17>; };
P8_04_gpio_pin: pinmux_P8_04_gpio_pin {
pinctrl-single,pins = <0x01c 0x17>; };
0x27 should read as: mode 7, input, pulldown
0x17 should read as: mode 7, output, pullup.
My goal is to have port P8_03 loaded as input with LOW state (0V) by
default (so cat gpio38/value would show 0), and port P9_04 as output with
HIGH state (3,3V) by default (so cat gpio39/value would show 1).
Most of those things are working ok, so direction are correct (by default),
however P8_03 is 1 by default (should be 0), and P8_04 is 0 (should be 1).
What am i doing wrong here?
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