GPIO export in dts file

tejas patil

Expert 1090 points

Hi,

We are design custom board of am335x. I have added GPIO Pin muxing in dts file but how to add gpio export in dts file ?

Thanks

Tejas

over 10 years ago

0 Yordan Kovachev over 10 years ago

TI__Guru**** 161600 points

Hi Tejas,

If you want to use these pins as GPIOs then you should add also:

&gpioX {

pinctrl-names = "default";

pinctrl-0 = <&gpioX_pins>;
status = "okay";
}
where X is the number of the gpio controller you want to use.

Best Regards,
Yordan

0 Yordan Kovachev over 10 years ago in reply to Yordan Kovachev

TI__Guru**** 161600 points

If you want to use those GPIOs as gpio pins in another IP, then in the corresponding IP dts node you need to add:
gpios = <&gpioX <gpio pin> GPIO_ACTIVE_HIGH>;

Best Regards,
Yordan

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GPIO export in dts file