dts: arm: rpi_pico: added reset controller node

added reset controller node in dtsi
added defines for all reset pins

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

Author: andrei-edward-popa

dts/arm/rpi_pico/rp2040.dtsi

@@ -51,6 +51,15 @@
 			#clock-cells = <0>;
 		};
 
+		reset: reset-controller@4000c000 {
+			compatible = "raspberrypi,pico-reset";
+			reg = <0x4000c000 DT_SIZE_K(4)>;
+			reg-width = <4>;
+			active-low = <0>;
+			#reset-cells = <1>;
+			label = "RESET";
+		};
+
 		pinctrl: pin-controller@40014000 {
 			compatible = "raspberrypi,pico-pinctrl";
 			reg = <0x40014000 DT_SIZE_K(4)>;

dts/arm/rpi_pico/rpi_pico_common.dtsi

@@ -7,3 +7,29 @@
 #ifndef RPI_PICO_DEFAULT_IRQ_PRIORITY
 #define RPI_PICO_DEFAULT_IRQ_PRIORITY 3
 #endif
+
+#define RPI_PICO_RESETS_RESET_ADC		0
+#define RPI_PICO_RESETS_RESET_BUSCTRL		1
+#define RPI_PICO_RESETS_RESET_DMA		2
+#define RPI_PICO_RESETS_RESET_I2C0		3
+#define RPI_PICO_RESETS_RESET_I2C1		4
+#define RPI_PICO_RESETS_RESET_IO_BANK0		5
+#define RPI_PICO_RESETS_RESET_IO_QSPI		6
+#define RPI_PICO_RESETS_RESET_JTAG		7
+#define RPI_PICO_RESETS_RESET_PADS_BANK0	8
+#define RPI_PICO_RESETS_RESET_PADS_QSPI		9
+#define RPI_PICO_RESETS_RESET_PIO0		10
+#define RPI_PICO_RESETS_RESET_PIO1		11
+#define RPI_PICO_RESETS_RESET_PLL_SYS		12
+#define RPI_PICO_RESETS_RESET_PLL_USB		13
+#define RPI_PICO_RESETS_RESET_PWM		14
+#define RPI_PICO_RESETS_RESET_RTC		15
+#define RPI_PICO_RESETS_RESET_SPI0		16
+#define RPI_PICO_RESETS_RESET_SPI1		17
+#define RPI_PICO_RESETS_RESET_SYSCFG		18
+#define RPI_PICO_RESETS_RESET_SYSINFO		19
+#define RPI_PICO_RESETS_RESET_TBMAN		20
+#define RPI_PICO_RESETS_RESET_TIMER		21
+#define RPI_PICO_RESETS_RESET_UART0		22
+#define RPI_PICO_RESETS_RESET_UART1		23
+#define RPI_PICO_RESETS_RESET_USBCTRL		24