dts: arm: rpi_pico: added resets for UART instances

added resets for Raspberry Pi Pico UART instances
enabled reset controller in defconfig

Signed-off-by: Andrei-Edward Popa <[email protected]>

Author: andrei-edward-popa

boards/arm/rpi_pico/rpi_pico_defconfig

@@ -8,3 +8,4 @@ CONFIG_GPIO=y
 CONFIG_USE_DT_CODE_PARTITION=y
 CONFIG_BUILD_OUTPUT_UF2=y
 CONFIG_UART_INTERRUPT_DRIVEN=y
+CONFIG_RESET=y

dts/arm/rpi_pico/rp2040.dtsi

@@ -82,6 +82,7 @@
 			compatible = "raspberrypi,pico-uart";
 			reg = <0x40034000 DT_SIZE_K(4)>;
 			clocks = <&peripheral_clk>;
+			resets = <&reset RPI_PICO_RESETS_RESET_UART0>;
 			interrupts = <20 RPI_PICO_DEFAULT_IRQ_PRIORITY>;
 			interrupt-names = "uart0";
 			label = "UART_0";
@@ -92,6 +93,7 @@
 			compatible = "raspberrypi,pico-uart";
 			reg = <0x40038000 DT_SIZE_K(4)>;
 			clocks = <&peripheral_clk>;
+			resets = <&reset RPI_PICO_RESETS_RESET_UART1>;
 			interrupts = <21 RPI_PICO_DEFAULT_IRQ_PRIORITY>;
 			interrupt-names = "uart1";
 			label = "UART_1";