arm64: dts: ti: k3-am62a: Add watchdog nodes

Add nodes for watchdogs:
- 5 in main domain
- 1 in MCU domain
- 1 in wakeup domain
Signed-off-by: Nishanth Menon <nm@ti.com>
Reviewed-by: Tony Lindgren <tony@atomide.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Link: https://lore.kernel.org/r/20230418012717.1230882-3-nm@ti.comSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-am62a-main.dtsi

@@ -697,6 +697,51 @@ main_mcan0: can@20701000 {
 		status = "disabled";
 	};
 
+	main_rti0: watchdog@e000000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x0e000000 0x00 0x100>;
+		clocks = <&k3_clks 125 0>;
+		power-domains = <&k3_pds 125 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 125 0>;
+		assigned-clock-parents = <&k3_clks 125 2>;
+	};
+
+	main_rti1: watchdog@e010000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x0e010000 0x00 0x100>;
+		clocks = <&k3_clks 126 0>;
+		power-domains = <&k3_pds 126 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 126 0>;
+		assigned-clock-parents = <&k3_clks 126 2>;
+	};
+
+	main_rti2: watchdog@e020000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x0e020000 0x00 0x100>;
+		clocks = <&k3_clks 127 0>;
+		power-domains = <&k3_pds 127 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 127 0>;
+		assigned-clock-parents = <&k3_clks 127 2>;
+	};
+
+	main_rti3: watchdog@e030000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x0e030000 0x00 0x100>;
+		clocks = <&k3_clks 128 0>;
+		power-domains = <&k3_pds 128 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 128 0>;
+		assigned-clock-parents = <&k3_clks 128 2>;
+	};
+
+	main_rti4: watchdog@e040000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x0e040000 0x00 0x100>;
+		clocks = <&k3_clks 205 0>;
+		power-domains = <&k3_pds 205 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 205 0>;
+		assigned-clock-parents = <&k3_clks 205 2>;
+	};
+
 	epwm0: pwm@23000000 {
 		compatible = "ti,am64-epwm", "ti,am3352-ehrpwm";
 		#pwm-cells = <3>;

arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi

@@ -132,4 +132,15 @@ mcu_gpio0: gpio@4201000 {
 		clock-names = "gpio";
 		status = "disabled";
 	};
+
+	mcu_rti0: watchdog@4880000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x04880000 0x00 0x100>;
+		clocks = <&k3_clks 131 0>;
+		power-domains = <&k3_pds 131 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 131 0>;
+		assigned-clock-parents = <&k3_clks 131 2>;
+		/* Tightly coupled to M4F */
+		status = "reserved";
+	};
 };

arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi

@@ -51,4 +51,15 @@ wkup_rtc0: rtc@2b1f0000 {
 		wakeup-source;
 		status = "disabled";
 	};
+
+	wkup_rti0: watchdog@2b000000 {
+		compatible = "ti,j7-rti-wdt";
+		reg = <0x00 0x2b000000 0x00 0x100>;
+		clocks = <&k3_clks 132 0>;
+		power-domains = <&k3_pds 132 TI_SCI_PD_EXCLUSIVE>;
+		assigned-clocks = <&k3_clks 132 0>;
+		assigned-clock-parents = <&k3_clks 132 2>;
+		/* Used by DM firmware */
+		status = "reserved";
+	};
 };