ARM: dts: r8a7790: Add PWM device nodes

Add support for the 7 PWM channels provided by PWM Timers on R-Car H2,
by adding device nodes describing the PWM Timers.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/9755b3af4296060ee31c4652def639574cbbd2fb.1679330878.git.geert+renesas@glider.be

Author: geertu

arch/arm/boot/dts/r8a7790.dtsi

@@ -1048,6 +1048,76 @@
 			status = "disabled";
 		};
 
+		pwm0: pwm@e6e30000 {
+			compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
+			reg = <0 0xe6e30000 0 0x8>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
+		pwm1: pwm@e6e31000 {
+			compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
+			reg = <0 0xe6e31000 0 0x8>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
+		pwm2: pwm@e6e32000 {
+			compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
+			reg = <0 0xe6e32000 0 0x8>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
+		pwm3: pwm@e6e33000 {
+			compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
+			reg = <0 0xe6e33000 0 0x8>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
+		pwm4: pwm@e6e34000 {
+			compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
+			reg = <0 0xe6e34000 0 0x8>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
+		pwm5: pwm@e6e35000 {
+			compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
+			reg = <0 0xe6e35000 0 0x8>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
+		pwm6: pwm@e6e36000 {
+			compatible = "renesas,pwm-r8a7790", "renesas,pwm-rcar";
+			reg = <0 0xe6e36000 0 0x8>;
+			clocks = <&cpg CPG_MOD 523>;
+			power-domains = <&sysc R8A7790_PD_ALWAYS_ON>;
+			resets = <&cpg 523>;
+			#pwm-cells = <2>;
+			status = "disabled";
+		};
+
 		can0: can@e6e80000 {
 			compatible = "renesas,can-r8a7790",
 				     "renesas,rcar-gen2-can";