DTS for GPIO driver

justNow — Thu, 16 Sep 2021 01:33:52 GMT

Hello everyone.

I have a imx8mm and am try to enable the GPIO driver.

I found a pinCtrl infomation at the imx8mmrm.pdf.

I don't find a proper DT systax, as follows is current but makes error as

"Label or path gpio_spimux not found"

&gpio_spimux {
compatible = "gpio-spimux";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_gpio_spimux>;
status = "okay";

gpiomux {
label = "gpio_spimux";
gpios = <&gpio1 9 GPIO_ACTIVE_HIGH>;};
};‍‍‍‍‍‍‍‍

Can I have a proper DT syntax for GPIO9 as only output '0' and '1'

Thanks

Re: DTS for GPIO driver

igorpadykov — Thu, 16 Sep 2021 07:41:06 GMT

Hi Kim

one can look at explanations and gpio-hog demo provided on

https://community.nxp.com/t5/i-MX-Processors/how-does-it-control-the-GPIO-as-input-output-in-DTS/td-p/1319972

Best regards
igor

topic DTS for GPIO driver in i.MX Processors

DTS for GPIO driver

Re: DTS for GPIO driver