P0.13 or P0.03 can't be assigned as gpio output in 5340

[zhaoyuan]

Dear,

- nRF connect SDK 1.9.1

- nRF5340 DK

Here is my code and config. I can assign some pin as gpio such as 0.04. Maybe 0.03 or 0.13 have other function mux, but I don't know how to config.

void main(void)
{
	int ret;

	const struct device *port;
	port = device_get_binding("GPIO_0");
	if(port == NULL){
		printk("LED device %s not found", "GPIO_0");
	}

	ret = gpio_pin_configure(port, 13, GPIO_OUTPUT);
	if (ret < 0) {
		return;
	}

	while (1) {
		ret = gpio_pin_toggle(port, 13);
		if (ret < 0) {
			return;
		}
		k_msleep(SLEEP_TIME_MS);
	}
}

CONFIG_GPIO=y
CONFIG_NFCT_PINS_AS_GPIOS=y

[zhaoyuan]

Hello,

Anyone can help? I have tried to disable QSPI and NFC, but it didn't work.

CONFIG_GPIO=y
CONFIG_NFCT_PINS_AS_GPIOS=y
CONFIG_NRFX_QSPI=n