arm64: dts: ti: k3-j721s2-main: Add dts nodes for EHRPWMs

Add dts nodes for 6 EHRPWM instances on SoC. Disable EHRPWM nodes in the
dtsi files and only enable the ones that are actually pinned out on a
given board in the board dts file.
Signed-off-by: Sinthu Raja <sinthu.raja@ti.com>
Link: https://lore.kernel.org/r/20230721082150.12599-1-sinthu.raja@ti.comSigned-off-by: Nishanth Menon <nm@ti.com>

arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi

@@ -58,6 +58,72 @@ serdes_ln_ctrl: mux-controller@80 {
 			mux-reg-masks = <0x80 0x3>, <0x84 0x3>, /* SERDES0 lane0/1 select */
 					<0x88 0x3>, <0x8c 0x3>; /* SERDES0 lane2/3 select */
 		};
+
+		ehrpwm_tbclk: clock-controller@140 {
+			compatible = "ti,am654-ehrpwm-tbclk";
+			reg = <0x140 0x18>;
+			#clock-cells = <1>;
+		};
+	};
+
+	main_ehrpwm0: pwm@3000000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3000000 0x00 0x100>;
+		power-domains = <&k3_pds 160 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 0>, <&k3_clks 160 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm1: pwm@3010000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3010000 0x00 0x100>;
+		power-domains = <&k3_pds 161 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 1>, <&k3_clks 161 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm2: pwm@3020000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3020000 0x00 0x100>;
+		power-domains = <&k3_pds 162 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 2>, <&k3_clks 162 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm3: pwm@3030000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3030000 0x00 0x100>;
+		power-domains = <&k3_pds 163 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 3>, <&k3_clks 163 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm4: pwm@3040000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3040000 0x00 0x100>;
+		power-domains = <&k3_pds 164 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 4>, <&k3_clks 164 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
+	};
+
+	main_ehrpwm5: pwm@3050000 {
+		compatible = "ti,am654-ehrpwm", "ti,am3352-ehrpwm";
+		#pwm-cells = <3>;
+		reg = <0x00 0x3050000 0x00 0x100>;
+		power-domains = <&k3_pds 165 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&ehrpwm_tbclk 5>, <&k3_clks 165 0>;
+		clock-names = "tbclk", "fck";
+		status = "disabled";
 	};
 
 	gic500: interrupt-controller@1800000 {