ARM: berlin: add a PWM node on the BG2CD

This patch adds a PWM node in the Berlin BG2CD device tree, using the
newly added Berlin PWM driver.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
diff --git a/arch/arm/boot/dts/berlin2cd.dtsi b/arch/arm/boot/dts/berlin2cd.dtsi
index 75b1421..b16df15 100644
--- a/arch/arm/boot/dts/berlin2cd.dtsi
+++ b/arch/arm/boot/dts/berlin2cd.dtsi
@@ -381,6 +381,13 @@
 			status = "disabled";
 		};
 
+		pwm: pwm@f20000 {
+			compatible = "marvell,berlin-pwm";
+			reg = <0xf20000 0x40>;
+			clocks = <&chip_clk CLKID_CFG>;
+			#pwm-cells = <3>;
+		};
+
 		apb@fc0000 {
 			compatible = "simple-bus";
 			#address-cells = <1>;