Hi everyone,
I have a problem when I configured custom board GPIO UART in NRF54L15.
I know that the NRF54L15 have UARTE00, UARTE20-22, UARTE30.
I just use 2 GPIO (UARTE20-22, UARTE30) but I failed in configure in devicetree.
file .dts:
&uart20 {
compatible = "nordic,nrf-uarte";
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&uart20_default>;
pinctrl-1 = <&uart20_sleep>;
pinctrl-names = "default", "sleep";
};
&uart21 {
compatible = "nordic,nrf-uarte";
status = "okay";
};
&uart22 {
compatible = "nordic,nrf-uarte";
status = "okay";
};
&uart30 {
compatible = "nordic,nrf-uarte";
status = "okay";
current-speed = <115200>;
pinctrl-0 = <&uart30_default>;
pinctrl-1 = <&uart30_sleep>;
pinctrl-names = "default", "sleep";
};
file .dtsi:
&pinctrl {
uart20_default: uart20_default {
group1 {
psels = <NRF_PSEL(UART_TX, 1, 4)>,
<NRF_PSEL(UART_RTS, 1, 6)>;
};
group2 {
psels = <NRF_PSEL(UART_RX, 1, 5)>,
<NRF_PSEL(UART_CTS, 1, 7)>;
bias-pull-up;
};
};
uart20_sleep: uart20_sleep {
group1 {
psels = <NRF_PSEL(UART_TX, 1, 4)>,
<NRF_PSEL(UART_RX, 1, 5)>,
<NRF_PSEL(UART_RTS, 1, 6)>,
<NRF_PSEL(UART_CTS, 1, 7)>;
low-power-enable;
};
};
uart30_default: uart30_default {
group1 {
psels = <NRF_PSEL(UART_TX, 0, 0)>,
<NRF_PSEL(UART_RTS, 0, 2)>;
};
group2 {
psels = <NRF_PSEL(UART_RX, 0, 1)>,
<NRF_PSEL(UART_CTS, 0, 3)>;
bias-pull-up;
};
};
uart30_sleep: uart30_sleep {
group1 {
psels = <NRF_PSEL(UART_TX, 0, 0)>,
<NRF_PSEL(UART_RX, 0, 1)>,
<NRF_PSEL(UART_RTS, 0, 2)>,
<NRF_PSEL(UART_CTS, 0, 3)>;
low-power-enable;
};
};
};
Could you please point out the error for me?