ARM: dts: sunxi: h3/h5: add r_pwm node

There is a second PWM unit available in the PL I/O block.
Add a node and pinmux definition for it.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>

arch/arm/boot/dts/sunxi-h3-h5.dtsi

@@ -892,6 +892,21 @@ r_i2c_pins: r-i2c-pins {
 				pins = "PL0", "PL1";
 				function = "s_i2c";
 			};
+
+			r_pwm_pin: r-pwm-pin {
+				pins = "PL10";
+				function = "s_pwm";
+			};
+		};
+
+		r_pwm: pwm@1f03800 {
+			compatible = "allwinner,sun8i-h3-pwm";
+			reg = <0x01f03800 0x8>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&r_pwm_pin>;
+			clocks = <&osc24M>;
+			#pwm-cells = <3>;
+			status = "disabled";
 		};
 	};
 };