MIPS: Ingenic: Add PWM nodes for X1830.

Add PWM node for X1830 SoC from Ingenic.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>

arch/mips/boot/dts/ingenic/x1830.dtsi

@@ -120,6 +120,20 @@ wdt: watchdog@0 {
 			clocks = <&tcu TCU_CLK_WDT>;
 			clock-names = "wdt";
 		};
+
+		pwm: pwm@40 {
+			compatible = "ingenic,x1830-pwm", "ingenic,jz4740-pwm";
+			reg = <0x40 0x80>;
+
+			#pwm-cells = <3>;
+
+			clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>,
+				 <&tcu TCU_CLK_TIMER2>, <&tcu TCU_CLK_TIMER3>,
+				 <&tcu TCU_CLK_TIMER4>, <&tcu TCU_CLK_TIMER5>,
+				 <&tcu TCU_CLK_TIMER6>, <&tcu TCU_CLK_TIMER7>;
+			clock-names = "timer0", "timer1", "timer2", "timer3",
+				      "timer4", "timer5", "timer6", "timer7";
+		};
 	};
 
 	rtc: rtc@10003000 {